CN206650504U - power network monitoring system - Google Patents
power network monitoring system Download PDFInfo
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- CN206650504U CN206650504U CN201720460465.4U CN201720460465U CN206650504U CN 206650504 U CN206650504 U CN 206650504U CN 201720460465 U CN201720460465 U CN 201720460465U CN 206650504 U CN206650504 U CN 206650504U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Power network monitoring system belongs to monitoring system technical field, more particularly to a kind of power network monitoring system.The utility model provides a kind of hardware foundation of safe efficient, automation power network monitoring system.The utility model includes monitoring host computer, and its structural feature monitoring host computer is connected by interchanger with PLC signal transmission port；The signal transmission port of the PLC is connected with HMI signal transmission port, the control signal input mouth of contactor of the PLC control signal output mouth with controlling 10kV plant-grid connections is connected, the power input of contactor is connected with 10kV power supplys, the power output end of contactor is connected with 10kV buses, 10kV buses pass sequentially through transformer, breaker is connected with 400V buses, and the fling-cut switch one end of 400V buses respectively with switch one end, reactive-load compensation capacitor is connected.
Description
Technical field
The utility model belongs to monitoring system technical field, more particularly to a kind of power network monitoring system.
Background technology
With developing rapidly for power industry, a variety of high performance electric-power meterings and control device are widely used, to this
Reasonable, the efficient monitoring of a little devices is one and is badly in need of solving the problems, such as and particularly significant.
The content of the invention
The utility model is aiming above mentioned problem, there is provided a kind of safe efficient, automation power network monitoring system
Hardware foundation.
To achieve the above object, the utility model is adopted the following technical scheme that, the utility model includes monitoring host computer, and it is tied
Structure will put monitoring host computer and is connected by interchanger with PLC signal transmission port.
The signal transmission port of the PLC is connected with HMI signal transmission port, PLC control signal output mouth with
The control signal input mouth of the contactor of 10kV plant-grid connections is controlled to be connected, power input and the 10kV power supply phases of contactor
Even, the power output end of contactor is connected with 10kV buses, and 10kV buses pass sequentially through transformer, breaker and 400V bus phases
Even, the fling-cut switch one end of 400V buses respectively with switch one end, reactive-load compensation capacitor is connected, and the switch other end is opened by soft
Dynamic device is connected with motor；The fling-cut switch other end of reactive-load compensation capacitor is connected with reactive-load compensation capacitor.
Multifunctional electric meter, 400V buses and switch are provided with connection line between the transformer and breaker
Between connection line on be provided with multifunction intelligent digital instrument, bus multifunction intelligent digital instrument is provided with 400V buses
Table；The detection signal output port of soft initiator, the detection signal output port of multifunction intelligent digital instrument respectively with power
The detection signal input port of Power Factor Controller is connected, control signal output mouth and the reactive-load compensation electricity of power factor controller
The control signal input mouth of the fling-cut switch of container is connected.
The detection signal output port of multifunction intelligent digital instrument inputs with the detection signal of RTU respectively
Port, HMI detection signal input port are connected, the HMI detection signal input port inspection with multifunctional electric meter respectively
Survey signal output port, the detection signal output port of bus multifunction intelligent digital instrument is connected.
The signal transmission port of the multifunctional electric meter is connected with the signal transmission port of breaker, multifunctional intellectual
The signal transmission port of digital instrument is connected with the signal transmission port switched.
As a kind of preferred scheme, monitoring host computer described in the utility model is multiple, is connected respectively with interchanger, monitoring master
The signal transmission port of machine is connected with the signal transmission port of printer.
As another preferred scheme, multifunctional electric meter described in the utility model uses PMC916 type multifunction powers
Instrument.
In addition, interchanger described in the utility model uses the CISCO2950 type network switch.
The utility model beneficial effect.
The utility model can be the industries such as municipal administration, electric power, building, industry, finance, telecommunications, traffic according to user's request
Field user provides personalized solution.It both can as independent remote control administrative system, can also be used as BA or
The subsystem of DCS system.
The utility model has the characteristics that stable, reliable, safe efficient, economy, scalability are strong, and system is based on layering
Distributed frame, transformation and distribution system high and low pressure electrical equipment decentralized supervisory control, centralized management function are realized, makes your power distribution system
Unite " transparence ", can really realize the unattended of switchgear house, it is horizontal to improve change distribution operation modern management comprehensively.
Tthe utility model system is designed using scattered, layering, distributed frame, is divided by spacer units, modularized design,
Whole system is divided into three layers：Scene equipment level, communication management layer and system management layer.
Scene equipment level is responsible for each electric data of collection site and information state.
Communication management layer main task is to complete field data and the collection of information, the conversion of communications protocol, reception and biography
Instruction is sent, realizes the network connection between supervisory layers and management level.The information of each intelligent monitoring device collection of scene equipment level
Communication management layer is passed to by communication bus, then passed through the information such as all running state informations and operational factor of collection
Network is uploaded to system management layer, while the remote control commands of meeting reception system management level are controlled to live controller switching equipment
System.
Each function management module can be set in system management layer（Such as cabinet figure monitors environment, graphic monitoring environment, dynamic trend ring
Border, alarm inquiry, dynamic statement, logical relation, load management etc.）, can independent operating on different work stations, also can be simultaneously
Run on a main frame, do not interacted between each several part.Its major function：It is responsible for the various data messages that collection is uploaded
Real-time data base is stored in, is realized by functions such as the man-machine interface of close friend and powerful data analysis and processing to whole power distribution system
The Centralized Monitoring of system field apparatus, so as to realize " remote signalling ", " remote measurement ", " remote control ", " remote regulating " and " remote viewing "（It is optional）" five
It is distant " function.
The utility model measures whole distribution system monitoring, has accident alarming and alarm logging, electric energy management in real time
And load optimal, harmonic wave statistics and power quality analysis, various operating statistic auto report completings and printing, tracing analysis etc. are comprehensive
Function is closed, centralized management function can realize that automatic management reaches nobody or few man on duty.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model
It is not only limited to the statement of herein below.
Fig. 1 is the utility model three-layer network topological diagram.
Fig. 2 is Tthe utility model system topological diagram.
Fig. 3 is the utility model reactive-load compensation capacitor circuit connection diagram.
Embodiment
As illustrated, the utility model includes monitoring host computer, the signal transmission port that monitoring host computer passes through interchanger and PLC
It is connected.
The signal transmission port of the PLC is connected with HMI signal transmission port, PLC control signal output mouth with
The control signal input mouth of the contactor of 10kV plant-grid connections is controlled to be connected, power input and the 10kV power supply phases of contactor
Even, the power output end of contactor is connected with 10kV buses, and 10kV buses pass sequentially through transformer, breaker and 400V bus phases
Even, the fling-cut switch one end of 400V buses respectively with switch one end, reactive-load compensation capacitor is connected, and the switch other end is opened by soft
Dynamic device is connected with motor；The fling-cut switch other end of reactive-load compensation capacitor is connected with reactive-load compensation capacitor.
Multifunctional electric meter, 400V buses and switch are provided with connection line between the transformer and breaker
Between connection line on be provided with multifunction intelligent digital instrument, bus multifunction intelligent digital instrument is provided with 400V buses
Table；The detection signal output port of soft initiator, the detection signal output port of multifunction intelligent digital instrument respectively with power
The detection signal input port of Power Factor Controller is connected, control signal output mouth and the reactive-load compensation electricity of power factor controller
The control signal input mouth of the fling-cut switch of container is connected.
The detection signal output port of multifunction intelligent digital instrument respectively with RTU（RTU）Detection signal
Input port, HMI detection signal input port are connected, HMI detection signal input port respectively with multifunctional electric meter
Detection signal output port, the detection signal output port of bus multifunction intelligent digital instrument is connected.
The signal transmission port of the multifunctional electric meter is connected with the signal transmission port of breaker, multifunctional intellectual
The signal transmission port of digital instrument is connected with the signal transmission port switched.
The utility model can also set standby PLC, and standby PLC signal transmission port is connected with the interchanger, institute
The signal transmission port for stating standby PLC is connected with standby HMI signal transmission port, standby PLC control signal output mouth
The control signal input mouth of standby contactor with controlling standby 10kV plant-grid connections is connected, the power input of standby contactor
End be connected with standby 10kV power supplys, the power output end of standby contactor is connected with standby 10kV buses, standby 10kV buses according to
It is secondary to be connected by spare transformer, back-up breaker with standby 400V buses, standby 400V buses respectively with backup circuit breaker one end,
Fling-cut switch one end of standby reactive-load compensation capacitor is connected, and the backup circuit breaker other end passes through standby soft initiator and standby motor
It is connected；The fling-cut switch other end of standby reactive-load compensation capacitor is connected with standby reactive-load compensation capacitor.
Standby multifunctional electric meter is provided with connection line between the spare transformer and back-up breaker, it is standby
With being provided with standby multifunction intelligent digital instrument, standby soft initiator on the connection line between 400V buses and backup circuit breaker
Detection signal output port, standby multifunction intelligent digital instrument detection signal output port respectively with non-firm power factor
The detection signal input port of controller is connected, the control signal output mouth of non-firm power Power Factor Controller and standby idle benefit
The control signal input mouth for repaying the fling-cut switch of capacitor is connected.
Standby HMI the signal transmission port signal transmission port with standby multifunctional electric meter, standby more work(respectively
The signal transmission port of energy digital meter's is connected.
The standby 400V buses are connected by frame circuit breaker with 400V buses, the status signal output of frame circuit breaker
Port is connected with HMI detection signal input port；Standby 10kV buses are connected by bus connecting valve with 10kV buses.
The signal transmission port of the multifunctional electric meter is connected with the signal transmission port of breaker, multifunctional intellectual
The signal transmission port of digital instrument is connected with the signal transmission port switched.
The signal transmission port of the standby multifunctional electric meter is connected with the signal transmission port of back-up breaker, standby
It is connected with the signal transmission port of multifunction intelligent digital instrument with the signal transmission port of backup circuit breaker.
Redundancy and multi-line monitoring function can be achieved by frame circuit breaker and bus connecting valve in the utility model.
The monitoring host computer is connected with interchanger to be multiple respectively, the signal transmission port of monitoring host computer and printer
Signal transmission port is connected.
The multifunctional electric meter uses PMC916 type multifunctional electric meters.PMC916 type multifunctional electric meters can
The electricity ginseng such as measuring loop three-phase voltage, three-phase current, frequency, power factor, active power, reactive power, apparent energy, electric degree
Number.Circuit-breaker status, malfunction, control operation authority and other quantity of states can be monitored；Remote control cutout closes a floodgate and divided
Lock；Electric parameter Threshold Crossing Alert, such as under-voltage, excessively stream, low frequency, power factor are abnormal.
The interchanger uses the CISCO2950 type network switch；The core optical cable transmission data of armouring 6 can be used.
The measurable loop three-phase voltages of multifunction intelligent digital instrument EM, three-phase current, three phase power, three phase power because
Number, total power factor, frequency, electric degree, 2-15 subharmonic etc. extend electric parameter.Monitor cutout state, malfunction；Long-range control
Breaker closing and separating brake processed.
Monitoring host computer connects interchanger, interchanger LAN EBIs connection PLC, the connection control of PLC relays output interface
The contactor of 10kV inlet wires, RS485 communication interfaces connection HMI human-computer exchanges.
Scattered distribution system is monitored in real time using field intelligent instrument, the service data of collection is passed through into network
Transmit to the monitoring host computer of system management layer, can intuitively grasp the operation conditions of system by visual software, run electrically
Parameter, to whole distribution system Centralized Monitoring, realize " five is distant " function.Can be that each equipment and loop carry in visual software
For detailed function sprite, by picture, operator on duty can understand, view related data in detail.It is convenient for setting
Standby control operation, including full telemetry, loop state, the checking of alarm and fault-signal, harmonic data analysis, long-range control
System operation etc..
Whole system can use current popular Modbus form of communication and Fieldbus Control.Number is used in communication transfer
Word signal, the actual physics form of remote application optical fiber are transmitted, it is ensured that the antijamming capability and information of system communication are handed over
Throw-over degree, the quantity of the various interfaces in scene is greatly reduced, the intelligence degree of system is improved, it is steady to strengthen system on the whole
Qualitative and reliability.
It is understood that above with respect to specific descriptions of the present utility model, it is merely to illustrate the utility model and is not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (4)
1. power network monitoring system, including monitoring host computer, it is characterised in that monitoring host computer is passed by interchanger and PLC signal
Defeated port is connected；
The signal transmission port of the PLC is connected with HMI signal transmission port, PLC control signal output mouth and control
The control signal input mouth of the contactor of 10kV plant-grid connections is connected, and the power input of contactor is connected with 10kV power supplys,
The power output end of contactor is connected with 10kV buses, and 10kV buses pass sequentially through transformer, breaker is connected with 400V buses,
The fling-cut switch one end of 400V buses respectively with switch one end, reactive-load compensation capacitor is connected, and the switch other end passes through soft start
Device is connected with motor；The fling-cut switch other end of reactive-load compensation capacitor is connected with reactive-load compensation capacitor；
Multifunctional electric meter is provided with connection line between the transformer and breaker, between 400V buses and switch
Connection line on be provided with multifunction intelligent digital instrument, bus multifunction intelligent digital instrument is provided with 400V buses；
The detection signal output port of soft initiator, the detection signal output port of multifunction intelligent digital instrument respectively with power factor
The detection signal input port of controller is connected, the control signal output mouth and reactive-load compensation capacitor of power factor controller
The control signal input mouth of fling-cut switch be connected；
The detection signal output port of multifunction intelligent digital instrument respectively the detection signal input port with RTU,
HMI detection signal input port is connected, the HMI detection signal input port detection signal with multifunctional electric meter respectively
Output port, the detection signal output port of bus multifunction intelligent digital instrument are connected；
The signal transmission port of the multifunctional electric meter is connected with the signal transmission port of breaker, multifunction intelligent digital
The signal transmission port of instrument is connected with the signal transmission port switched.
2. power network monitoring system according to claim 1, it is characterised in that the monitoring host computer to be multiple, respectively with friendship
Change planes connected, the signal transmission port of monitoring host computer is connected with the signal transmission port of printer.
3. power network monitoring system according to claim 1, it is characterised in that the multifunctional electric meter uses
PMC916 type multifunctional electric meters.
4. power network monitoring system according to claim 1, it is characterised in that the interchanger uses CISCO2950 type nets
Network interchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460465.4U CN206650504U (en) | 2017-04-28 | 2017-04-28 | power network monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460465.4U CN206650504U (en) | 2017-04-28 | 2017-04-28 | power network monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206650504U true CN206650504U (en) | 2017-11-17 |
Family
ID=60278274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460465.4U Active CN206650504U (en) | 2017-04-28 | 2017-04-28 | power network monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206650504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050523A (en) * | 2021-04-06 | 2021-06-29 | 广州中超合能科技有限公司 | Electric power monitoring system based on big data fusion model |
| CN114374270A (en) * | 2021-12-10 | 2022-04-19 | 国网浙江省电力有限公司宁波供电公司 | A substation intelligent inspection linkage management system |
-
2017
- 2017-04-28 CN CN201720460465.4U patent/CN206650504U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050523A (en) * | 2021-04-06 | 2021-06-29 | 广州中超合能科技有限公司 | Electric power monitoring system based on big data fusion model |
| CN113050523B (en) * | 2021-04-06 | 2022-07-26 | 衍博集团有限公司 | Electric power monitoring system based on big data fusion model |
| CN114374270A (en) * | 2021-12-10 | 2022-04-19 | 国网浙江省电力有限公司宁波供电公司 | A substation intelligent inspection linkage management system |
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