CN105137879B - A kind of the Remote SCADA method and its system of distributed busbar protection - Google Patents
A kind of the Remote SCADA method and its system of distributed busbar protection Download PDFInfo
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- CN105137879B CN105137879B CN201510555609.XA CN201510555609A CN105137879B CN 105137879 B CN105137879 B CN 105137879B CN 201510555609 A CN201510555609 A CN 201510555609A CN 105137879 B CN105137879 B CN 105137879B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 167
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000003345 natural gas Substances 0.000 claims abstract description 58
- 238000009826 distribution Methods 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 description 24
- 238000007726 management method Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 14
- 239000010687 lubricating oil Substances 0.000 description 12
- 238000012544 monitoring process Methods 0.000 description 12
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000012384 transportation and delivery Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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- Automation & Control Theory (AREA)
- Control Of Turbines (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The invention discloses a kind of Remote SCADA method and systems of distributed busbar protection.This method comprises: Remote SCADA server receives the data information of gas supply control subsystem, the data information includes that natural pressure is strong；Judge whether the natural gas pressure is more than or equal to first threshold；If it is not, the first halt instruction is generated, to control the shutdown of gas supply control subsystem；If, when detecting that the natural gas pressure is less than second threshold, generate starting supercharger instruction, to control supercharger starting, when detecting that the natural pressure is more than or equal to second threshold by force, it generates and opens valve command and enabled instruction, the gas supply control subsystem valve is opened and gas turbine control subsystem starts to control respectively.The present invention generates control instruction according to the data information of gas supply control subsystem, while realizing the long-range control to gas supply control subsystem and gas turbine control subsystem, and method is simple, efficient.
Description
Technical field
The present invention relates to a kind of Remote SCADA method of remote control technology field more particularly to distributed busbar protection and
Its system.
Background technique
Distributed energy is a kind of energy supply mode for building user terminal in, can independent operating, can also be incorporated into the power networks, be with
The system that resource, environmental benefit maximize method of determination and capacity, by user's various energy resources demand and status of resource allocation into
Row system combination optimization is relative to central energy supply using the new energy system of demand reply formula design and modular arrangements
Distributing energy-provision way.Distributed energy has efficiency using reasonable, loss is small, pollutes less, flexible operation, system economy
The features such as good.
Distributed energy depends on state-of-the-art information technology, using Intellectualized monitoring, networking team control and remote control
Technology realizes that scene is unattended.Meanwhile also relying on the following energy socialized service system body based on Energy Service Company
System, realizes the specialization of operational management, to ensure the safe and reliable operation of each energy resource system.
With the development of the development of distributed energy, especially Energy Service Company and related industry, how by long-range
Management system, which is realized, carries out real-time display and analysis to energy source station parameters, and carry out as needed control be one very by
The problem of attention, and in the prior art, the subsystem is usually controlled according to the parameter of any subsystem of some energy source station, it can not
The two or more subsystems of state modulator for passing through wherein some subsystem according to the connection between subsystem.
Summary of the invention
The present invention proposes the Remote SCADA method and its system of a kind of distributed busbar protection, can be according to two subsystems
Between connection, which is controlled simultaneously according to the data information of one of subsystem.
To achieve this purpose, the present invention adopts the following technical scheme:
In a first aspect, a kind of Remote SCADA method of distributed busbar protection, comprising the following steps:
Remote SCADA server receives the data information of gas supply control subsystem, and the data information includes natural
Air pressure is strong；
Judge whether the natural gas pressure is more than or equal to first threshold；
If it is not, generating the first halt instruction, control gas supply control subsystem is shut down；
If so, generating starting supercharger instruction when detecting that the natural gas pressure is less than second threshold, being increased with controlling
Press starting generates when detecting that the natural pressure is more than or equal to second threshold by force and opens valve command and enabled instruction,
The gas supply control subsystem valve is controlled respectively to open and the starting of gas turbine control subsystem.
It wherein, after the first halt instruction of the generation, further include that the Remote SCADA server issues gas supply failure
Information；
The data information further includes supercharger rear end pressure and natural gas leaking concentration；
The generation is opened after valve command and enabled instruction, further includes:
Judge whether supercharger rear end pressure is less than or equal to third threshold value, if so, generating first halt instruction
With the second halt instruction, the gas supply control subsystem is controlled respectively and is shut down and is stopped with the gas turbine control subsystem
Machine issues supercharger fault message；With
The data information further includes natural gas leaking concentration, judges whether the natural gas leaking concentration is more than or equal to
Four threshold values control the gas supply control subsystem if so, generating first halt instruction and the second halt instruction respectively
It shuts down and the gas turbine control subsystem is shut down, issue natural gas leaking fault message.
Wherein, the Remote SCADA method further include:
The Remote SCADA server receives the data information of generator control subsystem, and the data information includes defeated
The operating status of voltage and generator out；
Judge whether the output voltage is more than or equal to the 5th threshold value, if so, generatrix reclosing command, controls the confession
The bus of distribution control subsystem closes a floodgate；
Judge whether the operating status of the generator is normal, if it is not, third halt instruction and bus open command are generated,
The bus for controlling the generator control subsystem shutdown and power supply and distribution control subsystem respectively disconnects, and issues generator failure
Information.
Wherein, the Remote SCADA method further include:
The Remote SCADA server receives the data information of hydro-thermal management control subsystem；
When detecting the data information beyond normal range of operation, the 4th halt instruction is generated, the hydro-thermal is controlled
Management control subsystem is shut down, and the cooling system failure information of the hydro-thermal management control subsystem is issued.
Wherein, the generation first, which is shut down, refers to, control gas supply control subsystem is shut down specifically:
The Remote SCADA server generates the first halt instruction；
The Remote SCADA server sends the combustion for first halt instruction by scene SCADA active station
Gas supplies control subsystem；
The gas supply control subsystem executes first halt instruction；
The generation starting supercharger instruction, control supercharger starting specifically:
The Remote SCADA server generates starting supercharger instruction；
The Remote SCADA server is sent starting supercharger instruction to by scene SCADA active station described
Gas supply control subsystem；
The gas supply control subsystem executes the starting supercharger instruction；
Valve command and enabled instruction are opened in the generation, are controlled the gas supply control subsystem valve respectively and are opened
Start with gas turbine control subsystem specifically:
The Remote SCADA server, which generates, opens valve command and enabled instruction；
The Remote SCADA server is divided the opening valve command and enabled instruction by scene SCADA active station
It is not sent to the gas supply control subsystem and gas turbine control subsystem；
The gas supply control subsystem and gas turbine control subsystem execute respectively the opening valve command and
Enabled instruction；
It is described to generate first halt instruction and the second halt instruction, the gas supply control subsystem is controlled respectively
It shuts down and the gas turbine control subsystem is shut down specifically:
The Remote SCADA server generates the first halt instruction and the second halt instruction；
The Remote SCADA server sends the combustion for second halt instruction by scene SCADA active station
Gas supplies control subsystem and gas turbine control subsystem；
The gas supply control subsystem and gas turbine control subsystem execute respectively first halt instruction and
Second halt instruction；
The generatrix reclosing command, the bus for controlling the power supply and distribution control subsystem close a floodgate specifically:
The Remote SCADA server generatrix reclosing command；
The Remote SCADA server sends the confession for the bus reclosing command by scene SCADA active station
Distribution control subsystem；
The power supply and distribution control subsystem executes the bus reclosing command；
The generation third halt instruction and bus open command, control respectively the generator control subsystem shut down and
The bus of power supply and distribution control subsystem disconnects specifically:
The Remote SCADA server generatrix reclosing command third halt instruction and bus open command；
The Remote SCADA server is referred to the third halt instruction and bus disconnection by scene SCADA active station
Order is separately sent to the generator control subsystem and power supply and distribution control subsystem；
The generator control subsystem and power supply and distribution control subsystem execute the third halt instruction and bus respectively
Open command；
The 4th halt instruction of the generation controls the hydro-thermal management control subsystem and shuts down specifically:
The Remote SCADA server generates the 4th halt instruction；
The Remote SCADA server sends the water for the 4th halt instruction by scene SCADA active station
Heat management control subsystem；
The hydro-thermal management control subsystem executes the 4th halt instruction.
Second aspect, a kind of Remote SCADA system of distributed busbar protection, including control terminal, the control terminal include the
One receiving unit, the first generation unit；
First receiving unit is used to receive the data information of gas supply control subsystem, and the data information includes
Natural gas pressure；
First generation unit is for judging whether the natural gas pressure is more than or equal to first threshold, if it is not, generating
First halt instruction, control gas supply control subsystem are shut down, if so, when detecting the natural gas pressure less than the second threshold
When value, starting supercharger instruction is generated, control supercharger starting, when detecting that the natural pressure is more than or equal to by force second threshold
When, it generates and opens valve command and enabled instruction, control the gas supply control subsystem valve respectively and open and combustion gas wheel
The starting of machine control subsystem.
Wherein, the data information further includes supercharger rear end pressure and/or natural gas leaking concentration；
First generation unit is also used to:
Judge whether supercharger rear end pressure is less than or equal to third threshold value, if so, generating first halt instruction
With the second halt instruction, the gas supply control subsystem is controlled respectively and is shut down and is stopped with the gas turbine control subsystem
Machine, and issue supercharger fault message；And/or
Judge whether the natural gas leaking concentration is more than or equal to the 4th threshold value, if so, generating first halt instruction
With the second halt instruction, the gas supply control subsystem is controlled respectively and is shut down and is stopped with the gas turbine control subsystem
Machine, and issue natural gas leaking fault message；
The control terminal further includes the first alarm unit and the second alarm unit；
First alarm unit is used to sound an alarm after first generation unit generates the first halt instruction, sends out
Fault message is supplied out；
Second alarm unit is used to generate the first halt instruction and the second halt instruction when first generation unit
After sound an alarm, issue supercharger fault message and natural gas leaking fault message；
Wherein, the control terminal further includes the second receiving unit, the second generation unit and third alarm unit；
Second receiving unit is used to receive the data information of generator control subsystem, and the data information includes defeated
The operating status of voltage and generator out；
Second generation unit is used for:
Judge whether the output voltage is more than or equal to the 5th threshold value, if so, generatrix reclosing command, controls the confession
The bus of distribution control subsystem closes a floodgate；
Judge whether the operating status of the generator works normally, if it is not, generating third halt instruction and bus disconnection
Instruction controls the generator control subsystem respectively and shuts down and the disconnection of the bus of power supply and distribution control subsystem；
The third alarm unit is used to generate the third halt instruction when second generation unit and bus disconnects
Generator failure information is issued after instruction.
Wherein, the control terminal further includes third receiving unit, third generation unit and the 4th alarm unit,
The third receiving unit is used to receive the number that the Remote SCADA server receives hydro-thermal management control subsystem
It is believed that breath；
The third generation unit is used for when detecting the data information beyond normal range of operation, is generated the 4th and is stopped
Machine instruction controls the hydro-thermal management control subsystem and shuts down；
Described in 4th alarm unit is used to issue after the third generation unit generates four halt instruction
The cooling system failure information of hydro-thermal management control subsystem.
Wherein, the Remote SCADA system further includes transmitting terminal, and the transmitting terminal includes the first transmission unit, the second hair
Send unit, third transmission unit, the 4th transmission unit and the 5th transmission unit；
First transmission unit is used for first halt instruction, the instruction of starting supercharger or opens valve command turn
It is dealt into the gas supply control subsystem；
Second transmission unit is used to the enabled instruction or the second halt instruction being forwarded to the gas turbine control
Subsystem；
The third transmission unit is used to the bus reclosing command or bus open command being forwarded to the power supply and distribution
Control subsystem；
4th transmission unit is used to the third halt instruction being forwarded to the generator control subsystem；
5th transmission unit is forwarded to the hydro-thermal management control subsystem for the 4th halt instruction.
The present invention receives the data information of gas supply control subsystem, the data letter by Remote SCADA server
Breath includes natural gas pressure；Judge whether the natural gas pressure is more than or equal to first threshold；Refer to if it is not, generating first and shutting down
It enables, to control the shutdown of gas supply control subsystem；If so, when detecting that the natural gas pressure is less than second threshold, it is raw
It is raw when detecting that the natural pressure is more than or equal to second threshold by force to control supercharger starting at starting supercharger instruction
It is in dozen to open valve command and enabled instruction, it is opened and gas turbine control with controlling the gas supply control subsystem valve respectively
Subsystem starting.Remote SCADA server generates control instruction according to the data information of gas supply control subsystem, realizes
Long-range control to gas supply control subsystem and gas turbine control subsystem simultaneously, achievees the purpose that efficiently to control.
Detailed description of the invention
Fig. 1 is a kind of method flow diagram of the Remote SCADA embodiment of the method one of distributed busbar protection provided by the invention.
Fig. 2 is a kind of method flow diagram of the Remote SCADA embodiment of the method two of distributed busbar protection provided by the invention.
Fig. 3 a is a kind of method flow diagram of preferred embodiment of the embodiment of the present invention two.
Fig. 3 b is the method flow diagram of another preferred embodiment of the embodiment of the present invention two.
Fig. 3 c is the method flow diagram of another preferred embodiment of the embodiment of the present invention two.
Fig. 3 d is the method flow diagram of another preferred embodiment of the embodiment of the present invention two.
Fig. 4 is a kind of method flow diagram of the Remote SCADA embodiment of the method three of distributed busbar protection provided by the invention.
Fig. 5 a is a kind of method flow diagram of preferred embodiment of the embodiment of the present invention three.
Fig. 5 b is the method flow diagram of another preferred embodiment of the embodiment of the present invention three.
Fig. 6 is a kind of method flow diagram of the Remote SCADA embodiment of the method three of distributed busbar protection provided by the invention.
Fig. 7 is the method flow diagram of another preferred embodiment of the embodiment of the present invention three.
Fig. 8 is a kind of functional block diagram of the Remote SCADA system embodiment one of distributed busbar protection provided by the invention.
Fig. 9 is a kind of functional block diagram of the Remote SCADA system embodiment two of distributed busbar protection provided by the invention.
Figure 10 is that a kind of embodiment two of the Remote SCADA system of distributed busbar protection of the invention is applied to distributed energy
The structural schematic diagram of source station.
Specific embodiment
Below in conjunction with Fig. 1 to Fig. 8, pass through specific embodiment to further illustrate the technical scheme of the present invention.
Embodiment one
With reference to Fig. 1, a kind of Remote SCADA method of distributed busbar protection, including step A:
A11: Remote SCADA server receives the data information of gas supply control subsystem, and the data information includes
Natural gas pressure.
A12: judge whether the natural gas pressure is more than or equal to first threshold.
A13: if it is not, generating the first halt instruction, control gas supply control subsystem is shut down.
A14: if so, when detecting that the natural gas pressure is less than second threshold, starting supercharger instruction is generated, with control
Supercharger starting processed generates when detecting that the natural pressure is more than or equal to second threshold by force and opens valve command and starting
Instruction controls the gas supply control subsystem valve respectively and opens and the starting of gas turbine control subsystem.
In work, according to the judging result to step A12, Remote SCADA server selects a progress to step A13 and A14.
Preferably, the first threshold is 0.8MPa, second threshold 1.48MPa.The normal pressure of natural gas is
0.8MPa, the pressure requirement that natural gas enters gas turbine is 1.48MPa, therefore natural gas needs pressurization just to can enter combustion gas wheel
Machine control subsystem.If detecting, the pressure of natural gas is less than 0.8MPa, and gas supply control subsystem breaks down, can not
Gas supply, when Remote SCADA server generates the first halt instruction at this time, gas supply control subsystem can be according to the control instruction
It shuts down, at this point, i.e. gas supply control subsystem does not supply because gas supply control subsystem is shut down, gas turbine control
Subsystem not will start work.When the pressure for detecting natural gas is more than or equal to 0.8MPa and is less than 1.48MPa, starting is pressurized
Machine gives natural gas boosting, when natural gas pressure reaches 1.48MPa, generates and opens valve command and enabled instruction, opens natural
The valve of tracheae, while starting gas turbine control subsystem, natural gas enters gas turbine control subsystem, gas turbine control
Subsystem works normally.
As another preferred embodiment of the present embodiment, first threshold and second threshold can be other values, this field
Technical staff can determine first according to different gas supply control subsystem models and gas turbine control subsystem model
Threshold value and second threshold, which is not limited by the present invention.
It is worth noting that, built-in system judges after gas turbine control subsystem executes the enabled instruction
Whether the running parameter of its own is eligible, the gas turbine control subsystem when running parameter does not meet operating condition, this
It can guarantee the safety of system.The running parameter includes set state；Unit admission pressure, flow；Unit internal temperature etc.,
In the work of gas turbine control subsystem, these parameters can be sent to far as a part of distributed busbar protection data information
Journey SCADA server, Remote SCADA server shows these data informations on operation monitoring interface, supervises for operator
Depending on and control.
The Remote SCADA method of a kind of distributed busbar protection provided by the invention, according to gas supply control subsystem
Data information generates control instruction, realizes while to the long-range of gas supply control subsystem and gas turbine control subsystem
Control, method are simple, efficient.
Embodiment two
Referring to figs. 2 and 3, the present embodiment is two steps A15, A16 of increase after the step A14 of embodiment one, this
The detail content of the not detailed description of method in embodiment, can refer to above-described embodiment.
A15: judging whether supercharger rear end pressure is less than or equal to third threshold value, shuts down if so, generating described first
Instruction and the second halt instruction control the gas supply control subsystem respectively and shut down and the gas turbine control subsystem
It shuts down, issues supercharger fault message.
The third threshold value is 1.3MPa, and the rear end pressure of supercharger is less than 1.3MPa and illustrates that supercharger breaks down, fires
Gas supply control subsystem can not work normally, and Remote SCADA server generates the first halt instruction to control combustion gas confession at this time
Control subsystem is answered to shut down；Because gas supply control subsystem is shut down, i.e., do not supplied to gas turbine control subsystem, at this time
Gas turbine control subsystem must also be shut down, and then Remote SCADA server generates the second halt instruction also simultaneously to control
Gas turbine control subsystem is shut down；This control method can find failure in time, and corresponding system can be made to shut down in time,
It fully ensure that the safety of distributed energy resource system.
A16: judging whether the natural gas leaking concentration is more than or equal to the 4th threshold value, shuts down if so, generating described first
Instruction and the second halt instruction control the gas supply control subsystem respectively and shut down and the gas turbine control subsystem
It shuts down, issues natural gas leaking fault message.
4th threshold value is 1000ppm, and natural gas leaking concentration is more than or equal to 1000ppm and illustrates that natural gas is let out
Leakage, gas supply control subsystem relevant to natural gas and gas supply control subsystem must be shut down, at this time Remote SCADA
Server generates the first halt instruction to control the shutdown of gas supply control subsystem, and Remote SCADA server also generates simultaneously
Second halt instruction is to control the shutdown of gas turbine control subsystem；This control method can find failure in time, and can make
Corresponding system is shut down in time, fully ensure that the safety of distributed energy resource system.
As another preferred embodiment of the present embodiment, third threshold value and the 4th threshold value can be other values, this field
Technical staff can determine third threshold value and the 4th threshold value according to different gas turbine control subsystem models, and the present invention is to this
Without limitation.
It should be noted that step A15 and step A16 meets first carrying out for condition without fixed sequencing.
Preferably, step A13 includes:
A131: if it is not, Remote SCADA server generates the first halt instruction, gas supply fault message is issued.
A132: the Remote SCADA server sends institute for first halt instruction by scene SCADA active station
State gas supply control subsystem.
A133: the gas supply control subsystem executes first halt instruction.
When system boot, the data information of its own is sent to live SCADA and operated by gas supply control subsystem
It stands, live SCADA active station sends Remote SCADA server for the data information of gas supply control subsystem again, remotely
SCADA server controls gas supply control subsystem according to the data information received.
Preferably, step A14 includes:
A141: if so, when detecting that the natural gas pressure is less than second threshold, starting supercharger instruction is generated.
A142: the Remote SCADA server is sent starting supercharger instruction to by scene SCADA active station
The gas supply control subsystem.
A143: the gas supply control subsystem executes the starting supercharger instruction.Supercharger starts to day at this time
Right gas pressurization.
A144: it when detecting that the natural pressure is more than or equal to second threshold by force, generates and opens valve command and starting
Instruction.
A145: the Remote SCADA server is referred to the opening valve command and starting by scene SCADA active station
Order is separately sent to the gas supply control subsystem and gas turbine control subsystem.
A146: the gas supply control subsystem and gas turbine control subsystem execute the opening valve respectively and refer to
Order and enabled instruction.
In step A14, Remote SCADA server is according to the data information received while controlling gas supply control
System and gas turbine control subsystem.It should be noted that after gas turbine control subsystem executes enabled instruction, when in it
When the condition of normal work is not achieved in the data information of portion's system monitoring itself, gas turbine control subsystem meeting autostop,
Further ensure the safety of system work.
Preferably, step A15 includes:
A151: judging whether supercharger rear end pressure is less than or equal to third threshold value, shuts down if generating described first
Instruction and the second halt instruction issue supercharger fault message.
A152: the Remote SCADA server sends institute for second halt instruction by scene SCADA active station
State gas supply control subsystem and gas turbine control subsystem.
A153: the gas supply control subsystem and gas turbine control subsystem execute described first respectively and shut down and refer to
It enables and the second halt instruction.
In step A15, Remote SCADA server is according to the data information received while controlling gas supply control
System and gas turbine control subsystem can find failure in time, and when a system breaks down, relevant system
It can shut down, ensure that the safety of system work.
Preferably, step A16 including the following steps:
A161: judging whether the natural gas leaking concentration is more than or equal to the 4th threshold value, shuts down if so, generating described first
Instruction and the second halt instruction issue natural gas leaking fault message.
A162: the Remote SCADA server sends institute for second halt instruction by scene SCADA active station
State gas supply control subsystem and gas turbine control subsystem.
A163: the gas supply control subsystem and gas turbine control subsystem execute described first respectively and shut down and refer to
It enables and the second halt instruction.
In step A16, Remote SCADA server is according to the data information received while controlling gas supply control
System and gas turbine control subsystem can find failure in time, and when a system breaks down, relevant system
It can shut down, ensure that the safety of system work.
Remote SCADA server generates control instruction according to the data information of gas supply control subsystem, realizes same
When long-range control to gas supply control subsystem and gas turbine control subsystem, achieved the purpose that efficient control；And
And it fully ensure that the safety of distributed energy resource system.
Embodiment three
With reference to Fig. 4 to Fig. 7, the present embodiment is to increase step B and step C on the basis of example 2:
B11: Remote SCADA server receives the data information of generator control subsystem, and the data information includes defeated
The operating status of voltage and generator out.
B12: judging whether the output voltage is more than or equal to the 5th threshold value, if so, generatrix reclosing command, controls institute
The bus for stating power supply and distribution control subsystem closes a floodgate.
5th threshold value is 10.5kv, and only output voltage reaches 10.5kv and is just able to satisfy to the power supply of power supply and distribution control subsystem
Requirement.When generator output state is normal, output voltage reaches 10.5kv, and Remote SCADA server generatrix closes at this time
Lock instruction is closed a floodgate with the bus for controlling the power supply and distribution control subsystem；If generator output state is abnormal, output voltage reaches
Less than 10.5kv, illustrate that generator control subsystem breaks down；In addition, without the power supply of generator control subsystem, for matching
Automatically controlled subsystem also can not work normally, and therefore, Remote SCADA server can control generator control subsystem and power supply and distribution
Control subsystem is shut down simultaneously.This control method can find failure in time, and corresponding system can be made to shut down in time, sufficiently
Ground ensure that the safety of distributed energy resource system.
As another preferred embodiment of the present embodiment, the 5th threshold value can be other values, and those skilled in the art can
To determine the 5th threshold value according to different generator control subsystem models and power supply and distribution control subsystem model, the present invention is to this
Without limitation.
B13: judging whether the operating status of the generator works normally, if it is not, generating third halt instruction and bus
Open command, the bus for controlling the generator control subsystem shutdown and power supply and distribution control subsystem respectively disconnects, and issues
Generator failure information.
The operating status of the generator of generator control subsystem includes busbar voltage, bus state, output voltage, distribution
Voltage, distribution electric current, power status.Auxiliary system mainly includes providing 220V for auxiliary system and exchanging with 380V to match with electric control
Electricity detects the voltage etc. of distribution.
During generator control subsystem work, generator control subsystem can using the operating status of generator as
A part of distributed energy station data information is sent to Remote SCADA server, and Remote SCADA server counts these
It is believed that breath is shown to operation monitoring interface, monitors and control for operator.
The operating status of generator is abnormal, illustrates that generator control subsystem breaks down, and can not control power supply and distribution
Subsystem is powered, therefore generator control subsystem is shut down and power supply and distribution control subsystem must be shut down simultaneously；It is remote at this time
Journey SCADA server can generate third halt instruction to control the generator control subsystem and shut down, while go back generatrix
Open command is disconnected with the bus for controlling power supply and distribution control subsystem, and is sounded an alarm, and is prompted generator failure, is fully guaranteed
The safety of distributed energy resource system.
C11: the data information of Remote SCADA server reception hydro-thermal management control subsystem.The data information is pressure
Contracting machine cooling water intake temperature, lubricating oil cooling water intake temperature, compressor cooling water outlet temperature, lubricating oil are cooling
Water outlet temperature, compressor cooling water water inlet flow, compressor cooling water water outlet flow, lubricating oil cooling water intake
Flow, lubricating oil cooling water outlet flow, compressor cooling water water inlet pressure, compressor cooling water water outlet pressure, profit
Lubricating oil cooling water intake pressure or lubricating oil cooling water outlet pressure；
C12: the 4th halt instruction is generated when detecting that the data information is more than normal range of operation, controls the water
Heat management control subsystem is shut down, and the cooling system failure information of the hydro-thermal management control subsystem is issued.
The data information is the parameter when cooling system of hydro-thermal management control subsystem works normally.Cooling system
When normal work, the standard value of compressor cooling water water inlet temperature and lubricating oil cooling water intake temperature is 32 DEG C；Pressure
The standard value of contracting machine cooling water outlet temperature and lubricating oil cooling water outlet temperature is 37.5 DEG C；Compressor cooling water into
Mouth of a river flow, compressor cooling water water outlet flow, lubricating oil cooling water intake flow and lubricating oil cooling water outlet stream
The standard value of amount is 150t/h；Compressor cooling water water inlet pressure, compressor cooling water water outlet pressure, lubricating oil are cooling
Water water inlet pressure or lubricating oil cooling water outlet pressure are 0.1MPa.The number of cooling system above-mentioned data information when working
Value deviation is more than ± 5% for more than normal range of operation, Remote SCADA server generates the 4th halt instruction to control at this time
The hydro-thermal management control subsystem is shut down, and is sounded an alarm, and cooling system failure is prompted.This control method can be found in time
The system failure fully ensure that the safety of distributed energy resource system.
As another preferred embodiment of the present embodiment, parameters when cooling system works normally can be other
Value, those skilled in the art can determine the numerical value of parameters according to different cooling system models, the present invention to this not
It limits.
Preferably, step B12 specifically:
B121: the Remote SCADA server judges whether the output voltage is more than or equal to the 5th threshold value, if so, raw
At bus reclosing command.
B122: the Remote SCADA server sends institute for the bus reclosing command by scene SCADA active station
State power supply and distribution control subsystem.
B123: the power supply and distribution control subsystem executes the bus reclosing command.
Preferably, step B13 specifically:
B131: the Remote SCADA server judges whether the operating status of the generator works normally, if it is not, raw
At third halt instruction and bus open command, generator failure information is issued.
B132: the Remote SCADA server is broken the third halt instruction and bus by scene SCADA active station
It opens instruction and is separately sent to the generator control subsystem and power supply and distribution control subsystem；
B133: the generator control subsystem and power supply and distribution control subsystem execute respectively the third halt instruction and
Bus open command.
Step B13 is when the operating status for judging generator is abnormal while controlling generator control subsystem and supplying to match
Automatically controlled subsystem stops working, and prompts generator failure, so that operator has found failure in time and then overhauls, fully
It ensure that the safety of distributed energy resource system.
Preferably, step C12 specifically:
C121: the is generated when the Remote SCADA server detects that the data information is more than normal range of operation
Four halt instructions issue cooling system failure information.
C122: the Remote SCADA server sends institute for the 4th halt instruction by scene SCADA active station
State hydro-thermal management control subsystem；
C123: the hydro-thermal management control subsystem executes the 4th halt instruction.
It should be noted that step A, step B and step C have no sequencing in the present embodiment, three can simultaneously into
Row.
Remote SCADA server remotely controls distributed busbar protection according to the data information of distributed busbar protection,
This method is simple, efficient；And corresponding fault message is issued in time when system breaks down, fully ensure that distribution
The safety of energy resource system.
Example IV
With reference to Fig. 8, a kind of Remote SCADA system of distributed busbar protection, including control terminal 100, the control terminal include
First receiving unit 101, the first generation unit 102.The carrier 100 of control terminal is Remote SCADA server 1.
First receiving unit 101 is used to receive the data information of gas supply control subsystem 3, the data information
Including natural gas pressure；
First generation unit 102 is for judging whether the natural gas pressure is more than or equal to first threshold, if it is not, raw
It at the first halt instruction, controls gas supply control subsystem 3 and shuts down, if so, when detect the natural gas pressure less than the
When two threshold values, starting supercharger instruction is generated, control supercharger starting, when detecting that the natural pressure is more than or equal to by force second
It when threshold value, generates and opens valve command and enabled instruction, control 3 valve of gas supply control subsystem respectively and open and fire
Gas-turbine control subsystem 4 starts.
The Remote SCADA system of a kind of distributed busbar protection provided by the invention, according to gas supply control subsystem 3
Data information generates control instruction, realizes while to the remote of gas supply control subsystem 3 and gas turbine control subsystem 4
Process control.
Embodiment five
With reference to Fig. 9 and Figure 10.
A kind of Remote SCADA system of distributed busbar protection, including control terminal 100 and transmitting terminal 200, the control terminal packet
It includes the first receiving unit 101, the first generation unit 102, the first alarm unit 103, the second alarm unit 104, second and receives list
First 105, second generation unit 106 and third alarm unit 107, third receiving unit 108, third generation unit 109 and the 4th
Alarm unit 110；The transmitting terminal 200 include the first transmission unit 201, the second transmission unit 202, third transmission unit 203,
4th transmission unit 204 and the 5th transmission unit 205.
First receiving unit 101 is used to receive the data information of gas supply control subsystem 3, and the data information includes
Natural gas pressure；
First generation unit 102 is for judging whether the natural gas pressure is more than or equal to first threshold, if it is not, generating the
One halt instruction, control gas supply control subsystem 3 are shut down, if so, when detecting the natural gas pressure less than the second threshold
When value, starting supercharger instruction is generated, control supercharger starting, when detecting that the natural pressure is more than or equal to by force second threshold
When, it generates and opens valve command and enabled instruction, control 3 valve of gas supply control subsystem respectively and open and combustion gas wheel
Machine control subsystem 4 starts.
Preferably, the first receiving unit 101 be also used to receive gas supply control subsystem 3 supercharger rear end pressure and
Natural gas leaking concentration；
Preferably, the first generation unit 102 is also used to:
Judge whether supercharger rear end pressure is less than or equal to third threshold value, if so, generating first halt instruction
With the second halt instruction, the gas supply control subsystem 3 is controlled respectively and is shut down and is stopped with the gas turbine control subsystem 4
Machine issues supercharger fault message；Judge whether the natural gas leaking concentration is more than or equal to the 4th threshold value, if so, generating institute
The first halt instruction and the second halt instruction are stated, the gas supply control subsystem 3 is controlled respectively and shuts down and the combustion gas wheel
Machine control subsystem 4 is shut down, and natural gas leaking fault message is issued.
First alarm unit 103 is used to sound an alarm after first generation unit generates the first halt instruction, sends out
Fault message is supplied out.
Second alarm unit 104 is used for after first generation unit generates the first halt instruction and the second halt instruction
It sounds an alarm, issues supercharger fault message and natural gas leaking fault message.
Second receiving unit 105 is used to receive the data information of generator control subsystem 5, and the data information includes defeated
The operating status of voltage and generator out.
Second generation unit 106 is used for: judging whether the output voltage is more than or equal to the 5th threshold value, if so, generating female
Line reclosing command, the bus for controlling the power supply and distribution control subsystem 6 close a floodgate；Whether just to judge the operating status of the generator
Often work controls the generator control subsystem 5 respectively and shuts down if it is not, generating third halt instruction and bus open command
It is disconnected with the bus of power supply and distribution control subsystem 6.
Third alarm unit 107 is used to generate the third halt instruction when second generation unit and bus disconnection refers to
Generator failure information is issued after order.
Third receiving unit 108 is used to receive the data information of hydro-thermal management control subsystem 7.
Third generation unit 109 is used for when detecting the data information beyond normal range of operation, is generated the 4th and is stopped
Machine instruction controls the hydro-thermal management control subsystem 7 and shuts down.
4th alarm unit 110 is used to after the third claims that unit generates the 4th halt instruction issue described cold
But system failure information.
First transmission unit 201 is used for first halt instruction, the instruction of starting supercharger or opens valve command turn
It is dealt into the gas supply control subsystem 3；
Second transmission unit 202 is used to for the enabled instruction or the second halt instruction to be forwarded to the gas turbine and control
Subsystem 4；
Third transmission unit 203 is used to the bus reclosing command or bus open command being forwarded to the power supply and distribution control
Subsystem 6；
4th transmission unit 204 is used to the third halt instruction being forwarded to the generator control subsystem 5；
5th transmission unit 205 is forwarded to the hydro-thermal management control subsystem 7 for the 4th halt instruction.
Preferably, control terminal 100 further includes the first monitoring interface unit, and the first monitoring interface unit connects control terminal 100
The control instruction and fault message of all data informations, generation that receive are shown on the first monitoring interface, for operator couple
Distributed busbar protection is monitored and is controlled, wherein data information is graphical.
Preferably, transmitting terminal 200 further includes receiving unit, and receiving unit receives the data information of distributed busbar protection.
Preferably, transmitting terminal 200 further includes the second monitoring interface unit, all numbers that the second monitoring interface unit will receive
It is believed that breath, control instruction are shown on the second monitoring interface, operator can also send control by the second monitoring interface and refer to
It enables.
Preferably, transmitting terminal 200 further includes the 5th alarm unit, and the 5th alarm unit issues the failure of distributed busbar protection
Information.
Control terminal 100 and transmitting terminal 200 are based on LabVIEW software and carry out programming and obtain, the load of control terminal 100
Body is Remote SCADA server 1, and the carrier of transmitting terminal 200 is scene SCADA active station 2.
When distributed busbar protection breaks down, live SCADA active station 2 and Remote SCADA server 1 can issue event
Hinder information and alarm, if belonging to the minor failure of self recovery, live SCADA active station 2 will do it self diagnosis, selfreparing, and
Release alarm；If occur can not self-healing catastrophe failure when, system has indicating fault and alarm, and carries out automatic safe pass
Energy source station system is closed, and records fault message.
Live SCADA active station 2 passes through network connection, live SCADA active station 2 and distribution with Remote SCADA server 1
The gas supply control subsystem 3 of formula energy source station, gas turbine control subsystem 4, generator control subsystem 5, power supply and distribution control
Subsystem 6 is connected with hydro-thermal management control subsystem 7 by Profibus bus.
Remote SCADA server 1 is connected by industrial gateway with information delivery server 8, and Remote SCADA server 1
Unidirectional data are carried out with information delivery server 8 by way of network writes database to transmit, and are further ensured that the peace of data
Quan Xing.
Remote SCADA server 1 can be communicated with multiple distributed energies, so as to monitor and control multiple distributions
Energy source station.
The monitoring interface of mobile phone terminal 10 and/or the accessible energy source station of common computer terminal 9, so that visitor can be much of that
The operating status of angle distribution formula energy source station, but mobile phone terminal 10 and/or common computer terminal 9 do not have to distributed busbar protection
Control authority, to ensure the data safety of distributed busbar protection.
The present invention generates control instruction according to the data information of gas supply control subsystem 3, realizes while to combustion gas
Supply the long-range control of control subsystem 3 and gas turbine control subsystem 4；Believed according to the data of generator control subsystem 5
Breath generate control instruction, realize simultaneously to generator control subsystem 5 shutdown and power supply and distribution control subsystem 6 long-range control
System；And corresponding fault message is issued in time when distributed busbar protection breaks down, fully ensure that distributed energy
The safety of system.
Claims (8)
1. a kind of Remote SCADA method of distributed busbar protection characterized by comprising
Remote SCADA server receives the data information of gas supply control subsystem, and the data information includes natural pressure
By force；
Judge whether the natural gas pressure is more than or equal to first threshold；
If it is not, generating the first halt instruction, control gas supply control subsystem is shut down；
If so, starting supercharger instruction is generated, to control supercharger when detecting that the natural gas pressure is less than second threshold
Starting generates when detecting that the natural pressure is more than or equal to second threshold by force and opens valve command and enabled instruction, respectively
The gas supply control subsystem valve is controlled to open and the starting of gas turbine control subsystem；
It after the first halt instruction of the generation, further include that the Remote SCADA server issues gas supply fault message；
The data information further includes supercharger rear end pressure and natural gas leaking concentration；
The generation is opened after valve command and enabled instruction, further includes:
Judge whether supercharger rear end pressure is less than or equal to third threshold value, if so, generating first halt instruction and the
Two halt instructions control the gas supply control subsystem respectively and shut down and gas turbine control subsystem shutdown, hair
Supercharger fault message out；With
Judge whether the natural gas leaking concentration is more than or equal to the 4th threshold value, if so, generating first halt instruction and the
Two halt instructions control the gas supply control subsystem respectively and shut down and gas turbine control subsystem shutdown, hair
Natural gas leaking fault message out.
2. Remote SCADA method as described in claim 1, which is characterized in that further include:
The Remote SCADA server receives the data information of generator control subsystem, and the data information includes output electricity
The operating status of pressure and generator；
Judge whether the output voltage is more than or equal to the 5th threshold value, if so, generatrix reclosing command, control power supply and distribution control
The bus of subsystem closes a floodgate；
Judge whether the operating status of the generator is normal, if it is not, generating third halt instruction and bus open command, respectively
The bus for controlling the generator control subsystem shutdown and power supply and distribution control subsystem disconnects, and issues generator failure letter
Breath.
3. Remote SCADA method as claimed in claim 2, which is characterized in that further include:
The Remote SCADA server receives the data information of hydro-thermal management control subsystem；
When detecting the data information beyond normal range of operation, the 4th halt instruction is generated, the hydro-thermal management is controlled
Control subsystem is shut down, and the cooling system failure information of the hydro-thermal management control subsystem is issued.
4. Remote SCADA method as claimed in claim 3, which is characterized in that the first halt instruction of the generation controls combustion gas
Control subsystem is supplied to shut down specifically:
The Remote SCADA server generates the first halt instruction；
The Remote SCADA server sends the combustion gas for first halt instruction by scene SCADA active station and supplies
Answer control subsystem；
The gas supply control subsystem executes first halt instruction；
The generation starting supercharger instruction, control supercharger starting, specifically:
The Remote SCADA server generates starting supercharger instruction；
The Remote SCADA server sends the combustion gas for starting supercharger instruction by scene SADA active station and supplies
Answer control subsystem；
The gas supply control subsystem executes the starting supercharger instruction；
Valve command and enabled instruction are opened in the generation, are controlled the gas supply control subsystem valve respectively and are opened and fire
The starting of gas-turbine control subsystem, specifically:
The Remote SCADA server, which generates, opens valve command and enabled instruction；
The Remote SCADA server is sent the opening valve command and enabled instruction by scene SADA active station respectively
To the gas supply control subsystem and gas turbine control subsystem；
The gas supply control subsystem and gas turbine control subsystem execute the opening valve command and starting respectively
Instruction；
It is described to generate first halt instruction and the second halt instruction, the gas supply control subsystem is controlled respectively shuts down
It is shut down with the gas turbine control subsystem, specifically:
The Remote SCADA server generates the first halt instruction and the second halt instruction；
The Remote SCADA server sends the combustion gas for second halt instruction by scene SCADA active station and supplies
Answer control subsystem and gas turbine control subsystem；
The gas supply control subsystem and gas turbine control subsystem execute first halt instruction and second respectively
Halt instruction；
The generatrix reclosing command, the bus for controlling the power supply and distribution control subsystem close a floodgate, specifically:
The Remote SCADA server generatrix reclosing command；
The Remote SCADA server sends the power supply and distribution for the bus reclosing command by scene SCADA active station
Control subsystem；
The power supply and distribution control subsystem executes the bus reclosing command；
The generation third halt instruction and bus open command control the generator control subsystem respectively and shut down and for matching
The bus of automatically controlled subsystem disconnects, specifically:
The Remote SCADA server generatrix reclosing command third halt instruction and bus open command；
The Remote SCADA server is divided the third halt instruction and bus open command by scene SCADA active station
It is not sent to the generator control subsystem and power supply and distribution control subsystem；
The generator control subsystem and power supply and distribution control subsystem execute the third halt instruction respectively and bus disconnects
Instruction；
The 4th halt instruction of the generation controls the hydro-thermal management control subsystem and shuts down, specifically:
The Remote SCADA server generates the 4th halt instruction；
The Remote SCADA server sends the Water Heat Pipes for the 4th halt instruction by scene SCADA active station
Manage control subsystem；
The hydro-thermal management control subsystem executes the 4th halt instruction.
5. a kind of Remote SCADA system of distributed busbar protection, which is characterized in that including control terminal, the control terminal includes the
One receiving unit, the first generation unit；
First receiving unit is used to receive the data information of gas supply control subsystem, and the data information includes natural
Air pressure is strong；
First generation unit is for judging whether the natural gas pressure is more than or equal to first threshold, if it is not, generating first
Halt instruction, control gas supply control subsystem are shut down, if so, when detecting the natural gas pressure less than second threshold
When, generate starting supercharger instruction, control supercharger starting, when detecting that the natural pressure is more than or equal to by force second threshold
When, it generates and opens valve command and enabled instruction, control the gas supply control subsystem valve respectively and open and combustion gas wheel
The starting of machine control subsystem；
The data information further includes supercharger rear end pressure and natural gas leaking concentration；
First generation unit is also used to:
After generating opening valve command and enabled instruction, judge whether supercharger rear end pressure is less than or equal to third threshold
Value controls the gas supply control subsystem respectively and shuts down if so, generating first halt instruction and the second halt instruction
It is shut down with the gas turbine control subsystem, and issues supercharger fault message；With
Judge whether the natural gas leaking concentration is more than or equal to the 4th threshold value, if so, generating first halt instruction and the
Two halt instructions, control the gas supply control subsystem shutdown respectively and the gas turbine control subsystem is shut down, and
Issue natural gas leaking fault message；
The control terminal further includes the first alarm unit and the second alarm unit；
First alarm unit is used to sound an alarm after first generation unit generates the first halt instruction, issues and supplies
Gas fault message；
Second alarm unit is used to after first generation unit generates the first halt instruction and the second halt instruction send out
Alarm out issues supercharger fault message and natural gas leaking fault message.
6. Remote SCADA system as claimed in claim 5, which is characterized in that the control terminal further include the second receiving unit,
Second generation unit and third alarm unit；
Second receiving unit is used to receive the data information of generator control subsystem, and the data information includes output electricity
The operating status of pressure and generator；
Second generation unit is used for:
Judge whether the output voltage is more than or equal to the 5th threshold value, if so, generatrix reclosing command, control power supply and distribution control
The bus of subsystem closes a floodgate；
Judge whether the operating status of the generator works normally, if it is not, third halt instruction and bus open command are generated,
The generator control subsystem is controlled respectively to shut down and the disconnection of the bus of power supply and distribution control subsystem；
The third alarm unit is used to generate the third halt instruction and bus open command when second generation unit
Generator failure information is issued afterwards.
7. Remote SCADA system as claimed in claim 6, which is characterized in that the control terminal further include third receiving unit,
Third generation unit and the 4th alarm unit；
The third receiving unit is used to receive the data letter that the Remote SCADA server receives hydro-thermal management control subsystem
Breath；
The third generation unit is used for when detecting the data information beyond normal range of operation, is generated the 4th shutdown and is referred to
It enables, controls the hydro-thermal management control subsystem and shut down；
4th alarm unit is used to issue the hydro-thermal after the third generation unit generates the 4th halt instruction
The cooling system failure information of management control subsystem.
8. Remote SCADA system as claimed in claim 7, which is characterized in that further include transmitting terminal, the transmitting terminal includes the
One transmission unit, the second transmission unit, third transmission unit, the 4th transmission unit and the 5th transmission unit；
First transmission unit is used to for first halt instruction, the instruction of starting supercharger or opening valve command being forwarded to
The gas supply control subsystem；
Second transmission unit, which is used to for the enabled instruction or the second halt instruction to be forwarded to the gas turbine, controls son
System；
The third transmission unit is used to for the bus reclosing command or bus open command to be forwarded to the power supply and distribution and control
Subsystem；
4th transmission unit is used to the third halt instruction being forwarded to the generator control subsystem；
5th transmission unit is forwarded to the hydro-thermal management control subsystem for the 4th halt instruction.
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| CN107060735A (en) * | 2017-05-25 | 2017-08-18 | 中国石油天然气股份有限公司 | Natural gas well data acquisition system and method |
| CN109145012B (en) * | 2017-06-16 | 2021-01-29 | 中国石油天然气股份有限公司 | Metering management method and device for natural gas storage and transportation system |
| CN108596526A (en) * | 2018-06-29 | 2018-09-28 | 国网上海市电力公司 | Demand-side comprehensive energy station synthetic operation Optimal Scheduling and method |
| CN111665876A (en) * | 2019-03-07 | 2020-09-15 | 隆基绿能科技股份有限公司 | Method and device for processing furnace pressure abnormity and storage medium |
| CN114200883B (en) * | 2021-11-15 | 2024-08-23 | 云顶科技（江苏）有限公司 | Remote-control distributed control system and remote control method thereof |
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