CN109193774A - A kind of control system and method for the multi-energy complementation based on on-site supervision - Google Patents
A kind of control system and method for the multi-energy complementation based on on-site supervision Download PDFInfo
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- CN109193774A CN109193774A CN201811156299.4A CN201811156299A CN109193774A CN 109193774 A CN109193774 A CN 109193774A CN 201811156299 A CN201811156299 A CN 201811156299A CN 109193774 A CN109193774 A CN 109193774A
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- 238000004146 energy storage Methods 0.000 claims abstract description 68
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 12
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- 239000002283 diesel fuel Substances 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 6
- 239000005417 food ingredient Substances 0.000 description 4
- 235000013324 preserved food Nutrition 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
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- 239000002253 acid Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H02J13/0062—
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- H02J13/0075—
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- H02J3/383—
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses the control systems and method of a kind of multi-energy complementation based on on-site supervision, it include: energy-storage module, photovoltaic module, direct current diesel generation module, inverter module, on-site supervision module, load energy module, rectification module, the first DC/DC module, the 2nd DC/DC module, energy-storage module is connected to the first DC/DC module input, and the output of the first DC/DC module is connected to inverter module input terminal；Photovoltaic module is connected to the 2nd DC/DC module input, and the output of the 2nd DC/DC module is connected to inverter module input terminal；Direct current diesel generation module output end is connected directly on DC bus；The output end of inverter module is connected on ac bus；Load is directly attached with ac bus with energy equipment；Rectification module connects DC bus and ac bus；On-site supervision module is concatenated into photovoltaic module, energy-storage module, load energy module, inverter module and direct current diesel generation module by bus.
Description
Technical field
The present invention relates to on-site supervision technical field, a kind of multi-energy complementation based on on-site supervision is particularly related to
Control system and method.
Background technique
Diesel-driven generator is had clearly by extensive using in various fields as common generating equipment
Advantage.But with the excessive exploitation of petroleum-based energy, the continuous rising of Global Temperature, it is severe that the supply of the energy has become comparison
The problem of, and the cost of expensive non-renewable energy resources, also allow diesel-driven generator cost of electricity-generating high.Photovoltaic is used as can be again
Raw new energy, environmentally protective and inexhaustible, inexhaustible, photovoltaic power generation is affected by weather, though increasing energy storage can
To solve the problems, such as this, but energy storage cost of investment is high, and the service life is short, and in order to meet the use energy demand of user, often system needs are set
The amount of redundancy of meter is very big.Diesel-driven generator, photovoltaic, energy storage three's hybrid system, since taking full advantage of photovoltaic, and without excessive
Diesel-driven generator power supply can be considered in photovoltaic power supply deficiency for adjusting for the energy storage of capacity.If existing gloss oil storage system needs
Diesel-driven generator is wanted to charge to system, general there are two topological structures, and one is alternating-current diesel power generator outputs to be connected directly to
Ac bus, when photovoltaic and energy storage are not able to satisfy live power load, system is supplied by ATS switching switch to field load
Electricity；Second is respectively that DC conversion modules are installed in alternating-current diesel power generator output additional, becomes the output of its diesel-driven generator directly
For direct current, if management not stringent in the operation of direct current diesel power generation system, although system can relatively stable fortune
Row, but it is less high in the utilization rate of photovoltaic, permeability, and renewable energy and high pollution for the environmental protection of green are not
The promotion of renewable energy, photovoltaic utilization rate and permeability is critically important, this just needs comprehensive, fine mixed energy system operation plan
Slightly, the operation between comprehensive perfect each energy of scheduling.Scheduling for different equipment, it is live then needing one can monitor
The device of various energy devices controls and manages each energy module according to the demand of different equipment running status and system
Operation.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of control systems of multi-energy complementation based on on-site supervision
With method.
The technical scheme is that
A kind of control system of the multi-energy complementation based on on-site supervision, comprising: energy-storage module, photovoltaic module, direct current bavin
Oily electricity generation module, inverter module, on-site supervision module, load energy module, rectification module, the first DC/DC module, the 2nd DC/
DC module, wherein the energy-storage module is connected to the first DC/DC module input, the output of the first DC/DC module is connected to inversion
Module input；Photovoltaic module is connected to the 2nd DC/DC module input, and the output of the 2nd DC/DC module is connected to inverter module
Input terminal；Direct current diesel generation module output end is connected directly on DC bus；The output end of inverter module is connected to exchange
On bus；Load is directly attached with ac bus with energy equipment；Rectification module connects DC bus and ac bus；Scene
Monitoring module is concatenated into photovoltaic module, energy-storage module, load energy module, inverter module and direct current diesel generation mould by bus
Block, on-site supervision module have touch LCD and show, the operating status of real-time display system.
It preferably, further include a Wireless data transmission module and remote I/O acquisition server, the on-site supervision module is logical
Cross the communication of Wireless data transmission the module realization and the remote I/O acquisition server.
It preferably, further include an alternate modular, for extending access way, which includes but is not limited to exchange bavin
Fry dried food ingredients motor or city are electrically accessed.
Preferably, the inverter module is DC/AC inverter module, and rectification module is DC/AC rectification module.
Preferably, the Wireless data transmission module include but is not limited to GPRS module, WIFI module, bluetooth module,
ZIGBEE module.
Preferably, the on-site supervision module is concatenated into photovoltaic module, energy-storage module, load energy by RS485 bus
The RS485 communication interface of module, inverter module and direct current diesel generation module.
Preferably, the RS485 of the forwarding of on-site supervision module data the RS485 communication interface and Wireless data transmission module
Communication interface connection.
A kind of control method of the control system based on the multi-energy complementation described above based on on-site supervision, feature
It is, includes the following steps:
S1: system prepares and operation；
S2: on-site supervision mould reads the voltage value of energy-storage module and the realtime power of other modules in real time；Wherein other moulds
Block includes photovoltaic module, direct current diesel generation module, inverter module, on-site supervision module, load energy module；
S3: judging system model, when its be manual mode, enter step S4；When its be automatic mode, enter step S5；
S4: judge under manual mode whether to be time, period strategy, start/stop direct current bavin if meeting Rule of judgment
Fry dried food ingredients motor, on the contrary system continues to run；
S5: joint judgement is carried out according to the range of voltage values of energy-storage module and each modular power, determines and executes the work
Mode.
Preferably, the operating mode in the step S5 includes but is not limited to photovoltaic module power supply, energy-storage module power supply, storage
It can module and the power supply of photovoltaic module joint, photovoltaic module and the power supply of direct current diesel generation module joint, energy-storage module and direct current bavin
Oily electricity generation module joint power supply, energy-storage module, photovoltaic module and the joint power supply of direct current diesel generation module.
Preferably, further include step S0:
Operation reserve is set, which includes but is not limited to powered operation, the dimension also comprising regularly energy-storage module
Protect the maintenance early warning of early warning and direct current diesel-driven generator.
By adopting the above technical scheme, the present invention include at least it is following the utility model has the advantages that
The control system and method for multi-energy complementation of the present invention based on on-site supervision, the operation of whole system,
Control is not necessarily to manual operation, and full intelligent operation is realized by on-site monitoring equipment, while realizing the automatic reality of each module operation
When switch.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the control system of the multi-energy complementation of the present invention based on on-site supervision；
Fig. 2 is the flow chart of the control method of the multi-energy complementation of the present invention based on on-site supervision；
Fig. 3 is the control system and method for the multi-energy complementation of the present invention based on on-site supervision.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, to meet a kind of control system of multi-energy complementation based on on-site supervision of the invention, comprising:
Energy-storage module, photovoltaic module, direct current diesel generation module, inverter module, on-site supervision module, load energy module, rectification mould
Block, the first DC/DC module, the 2nd DC/DC module, wherein the energy-storage module is connected to the first DC/DC module input, first
The output of DC/DC module is connected to inverter module input terminal；Photovoltaic module is connected to the 2nd DC/DC module input, the 2nd DC/DC
Module output is connected to inverter module input terminal；Direct current diesel generation module output end is connected directly on DC bus；Inversion
The output end of module is connected on ac bus；Load is directly attached with ac bus with energy equipment；Rectification module connection
DC bus and ac bus；On-site supervision module by bus be concatenated into photovoltaic module, energy-storage module, load with can module,
Inverter module and direct current diesel generation module, on-site supervision module have touch LCD and show, the operation shape of real-time display system
State.
It preferably, further include a Wireless data transmission module and remote I/O acquisition server, the on-site supervision module is logical
Cross the communication of Wireless data transmission the module realization and the remote I/O acquisition server.
It preferably, further include an alternate modular, for extending access way, which includes but is not limited to exchange bavin
Fry dried food ingredients motor or city are electrically accessed.
Preferably, the inverter module is DC/AC inverter module, and rectification module is DC/AC rectification module.
Preferably, the Wireless data transmission module include but is not limited to GPRS module, WIFI module, bluetooth module,
ZIGBEE module.
Preferably, the on-site supervision module is connected to photovoltaic module, energy-storage module, load energy by RS485 bus
The RS485 communication interface of module, inverter module and direct current diesel generation module.
Preferably, the RS485 of the forwarding of on-site supervision module data the RS485 communication interface and Wireless data transmission module
Communication interface connection.
Embodiment 2
A kind of control method of the control system based on the multi-energy complementation described in embodiment 1 based on on-site supervision, packet
Include following steps:
S1: system prepares and operation；
S2: on-site supervision mould reads the voltage value of energy-storage module and the realtime power of other modules in real time；Wherein other moulds
Block includes photovoltaic module, direct current diesel generation module, inverter module, on-site supervision module, load energy module；
S3: judging system model, when its be manual mode, enter step S4；When its be automatic mode, enter step S5；
S4: judge under manual mode whether to be time, period strategy, start/stop direct current bavin if meeting Rule of judgment
Fry dried food ingredients motor, on the contrary system continues to run；
S5: joint judgement is carried out according to the range of voltage values of energy-storage module and each modular power, determines and executes the work
Mode.
Preferably, the operating mode in the step S5 includes but is not limited to photovoltaic module power supply, energy-storage module power supply, storage
It can module and the power supply of photovoltaic module joint, photovoltaic module and the power supply of direct current diesel generation module joint, energy-storage module and direct current bavin
Oily electricity generation module joint power supply, energy-storage module, photovoltaic module and the joint power supply of direct current diesel generation module.
Preferably, further include step S0:
Operation reserve is set, which includes but is not limited to the maintenance early warning of powered operation, regularly energy-storage module
With the maintenance early warning of direct current diesel-driven generator.
Has preferred embodiment below with one to illustrate the present invention.
In the present invention, energy-storage module, photovoltaic module, direct current diesel generation module are connect on same DC bus, the direct current
Bus is connected to inverter module, inverse of the DC into AC supply load energy module.In the feelings of equipment electricity shortage
Under condition, we can select alternating-current diesel power generator or alternating current to supplement system power supply with alternate modular.
Energy-storage module battery unit is connected to the first DC/DC module input, and the first DC/DC module main function is direct current
Boosting, filtering etc., the output of the first DC/DC module are connected to DC/AC inverter module input terminal；There are two types of run mould for energy-storage module
Formula: powering mode and charge mode, both of which can not be run simultaneously.
Photovoltaic module photovoltaic array is also connected to the 2nd DC/DC module input, the output connection of the 2nd DC/DC module
To DC/AC inverter module input terminal.
Direct current diesel generation module output end is connected directly on DC bus.There are three types of operations for direct current diesel generation module
Mode: standby mode, operational mode and shutdown mode.
The output end of inverter module is connected on ac bus.
The data acquisition serial mouth I of on-site supervision module is connected to photovoltaic module, energy-storage module, load by RS485 bus
With energy module, the RS485 communication interface of inverter module and direct current diesel generation module, communication bus is connected using mode hand in hand
It connects.On-site supervision module data forwarding serial ports II is connected with the RS485 serial ports of remote data acquisition module, carries out data forwarding extremely
Long-range IO acquisition server.On-site supervision module is had touch LCD by oneself and is shown, the operating status of real-time display system.
Load is directly attached with ac bus with energy equipment.
Rectification module connects DC bus and ac bus, alternating current is transformed into direct current supplies electricity to energy-storage module and fill
Electricity cooperates any AC power source in alternate modular to use.
Alternate modular, including alternating-current diesel power generator or city are electrically accessed.
For the software flow pattern of on-site supervision as shown in Fig. 2, preparing to system to run from system, monitoring device reads energy storage mould
The performance number of block voltage value and modules by the comparison of SOC algorithm and the charging and discharging curve of corresponding battery, then goes to judge
Operating mode set by user.Automatic mode then judges the condition of system SOC and the comparison of each modular power, executes direct current diesel oil
The control of generator；Under manual mode, the setting of subscriber policy, time parameter method, period strategy, if set without strategy are first determined whether
It sets and is then controlled for real-time command.Specific software realization mode is write using the configuration software of the Kunlun on-state MCSG.Specific algorithm
Logic is realized with the automatic policy control of configuration software, and specific and PLC program ladder diagram is similar, is write
Corresponding software scripts realize corresponding algorithm, to realize control logic.The data of collection site equipment are arranged in system software
Collection period is 1 second, has done delay protection function for direct current diesel-driven generator control section, meets live on-off state,
Direct current diesel-driven generator is started to work or shutdown, the switching on and shutting down delay of setting 5 minutes, i.e., under automatic mode, direct current diesel generation
The control command of machine is issued to 5 minutes time ranges, and system does not do the operating mode of direct current diesel-driven generator any
Judgement the reason of to prevent certain failures, causes the frequent starting of direct current diesel-driven generator.
As shown in Fig. 3, the principle of automatic control are as follows: when photovoltaic module output power is greater than load energy modular power
When, the preferential powering load of photovoltaic, residue is filled to energy-storage battery.When photovoltaic module power is less than load energy modular power, it is
Unite SOC >=SOCmin2, and energy-storage module supplies electricity to load energy module；When SOC < SOCmin2, the power supply of direct current diesel-driven generator machine
It charges to load, and to energy-storage battery.Direct current diesel-driven generator charge mode is charged the battery using constant current mode, and battery is full of
Constant voltage mode is used to be shut down in real time when monitoring system detection energy storage SOC reaches SOCmax1 to direct current diesel-driven generator afterwards.
Illustrate and (can refer to attached drawing in full):
Ppv photovoltaic module power；
Pload bearing power；
PGE direct current diesel-driven generator rated power；
SOC indicates battery charge；
SOCmin1 indicates battery low pressure alarm point；
SOCmin2 indicates battery undervoltage point；
SOCmin3 indicates battery under-voltage protection point；
SOCmin4 indicates battery undervoltage recovery point；
SOCmax1 indicates battery constant pressure point；
SOCmax2 indicates battery float point.
In one preferred embodiment, the system operation logic of step S5 is as follows:
1. system starting detection energy-storage module SOC, photovoltaic module open-circuit voltage etc.；
(1) when SOC >=SOCmin4, system enters photovoltaic power supply mode；
(2) when SOC < SOCmin4, system enters photovoltaic and direct current diesel-driven generator associated working mode；
2. when loading the Pload > 0 needed for energy module, and photovoltaic module Ppv > 0, photovoltaic preferentially supply load；Photovoltaic
When module Ppv-Pload>0, SOC<SOCmax2, the extra energy of photovoltaic is filled in energy-storage module；
3. photovoltaic module Ppv be unable to satisfy load with can module Pload, and simultaneously SOC >=SOCmin2 when, energy storage mould
Block joint photovoltaic module gives load energy module for power supply together；
4. the operational mode of direct current diesel generation module:
(1) as SOC≤SOCmin1, direct current diesel-driven generator enters standby mode；
(2) as SOC≤SOCmin2, direct current diesel-driven generator enters operational mode；
(3) when photovoltaic module Ppv is less than load with energy module Pload, direct current diesel generation module preferentially gives load to supply
Electricity, and direct current diesel-driven generator operates under the rated power of setting.If at this point, Ppv+PGE > Pload, excess energy is filled
Enter in energy-storage module.If Ppv+PGE < Pload, then energy-storage module simultaneously participates in system power supply；
(4) when SOC >=SOCmax1, to ensure that photovoltaic utilization rate maximizes, then direct current diesel-driven generator enters shutdown mould
Formula；
When 5.SOC≤SOCmin3, inverter module stops working, until photovoltaic module either direct current diesel generation module
When by energy-storage module SOC >=SOCmin4, inverter module restarts work；
Alternatively include alternating-current diesel power generator and alternating current 6. system reserves rectification module, alternate modular, the two choosing first,
Rectification module function has included that alternate modular is needed to have an external power supply in this patent, this is alternatively used as direct current diesel generation
The alternative of machine.
7. containing maintenance early warning and the direct current diesel-driven generator of regularly energy-storage module in the operation reserve of the patent
Safeguard early warning, energy-storage module does not carry out regular O&M, i.e. SOC≤SOCmin3 and SOC=in the number of days that setting needs O&M
Both SOCmax2 state, energy-storage module will be forced into O&M mode, and inverter module will close.Direct current diesel generation module is pressed
Runing time carries out O&M mode, and system carries out early warning automatically.
Photovoltaic and direct current diesel-driven generator hybrid power supply in the present invention, energy storage are supported as system.Photovoltaic and energy storage for power supply
When scarce capacity, the incision of direct current diesel-driven generator merges power supply with photovoltaic, and non-switching power supply, and 100% utilizes photovoltaic power generation.
The permeability of photovoltaic is not limited by direct current diesel-driven generator and load running.In the case that overall system capacity is constant, photovoltaic
The ratio of the capacity of capacity and direct current diesel-driven generator can be adjusted arbitrarily, not limited by load electricity consumption situation.Direct current diesel oil
Generator and photovoltaic power supply are truly realized the real-time glossy online uninterrupted power supply of complementation without switching time.Energy storage mould in system
Support of the block as whole system energy, DC DC diesel-driven generator, photovoltaic and energy storage depend on same DC bus, when
When by battery inversion, online power supply, the power quality provided is high-quality, power continuous-stable.
In addition fine SOC management, using the principle of multiple management, completes finer control on operation reserve.It is more
Grade SOC management, the standby starting of direct current diesel-driven generator is used for including SOCmin1；SOCmin2 is for direct current diesel-driven generator
It comes into operation work；SOCmin3 is used for the under-voltage protection of energy-storage module battery；SOCmax1 is filled for direct current diesel-driven generator
Electric blanking voltage；SOCmin4 for be switched on detection and it is under-voltage after generate and restore electricity return difference, prevent energy-storage module frequent starting,
Power-off, influences its service life；Voltage is protected in floating charge of the SOCCmax2 for energy-storage module battery.System is examined in real time during running
Energy storage SOC is surveyed, and combines other data including power, is finely controlled.
The hand of direct current diesel-driven generator power supply automatically switches, and the operation mould of setting system is removed at scene by on-site supervision module
Under automatic mode, the start and stop of direct current diesel-driven generator are judged according to the power of system SOC and each module for formula；It, can under manual mode
Setting time parameter method and period strategy remove start and stop direct current diesel-driven generator, and time parameter method is that setting direct current diesel-driven generator timing is opened
Machine time and timing shutdown time, such as 17 direct current diesel-driven generator time openings in daily afternoon, at night 24 when direct current diesel oil
Generator is closed；Period strategy is the operation duration for setting direct current diesel-driven generator, such as every the direct current of starting in 6 hours
Diesel-driven generator, run the period are 2 hours；Or on-site supervision carries out real-time operation to direct current diesel-driven generator.
Field Monitoring System goes forwarding measurement data by wireless data transfer module, and remote I/O acquisition server passes through nothing
Line data transmission module obtains field data, and can carry out manual real-time control to direct current diesel-driven generator.
Field Monitoring System is provided multiple forms of energy to complement each other in glossy storage in system, and by advanced monitoring device and method, data are adopted
Collection is analyzed and processed by built-in Energy Management System, to control the operation of each component in the system of providing multiple forms of energy to complement each other, allows each energy
Cooperation between source is more reasonable.
The operating status of live real-time display whole system.
System reserves alternate modular, can external alternating-current diesel power generator or alternating current realize energy storage mould in conjunction with rectification module
The charge function of block.
System is directed to the existing state of development of energy-storage module, can be compatible with the battery and lithium of plumbic acid system conventional in the market
Ion battery, on-site supervision module reserve lead-acid battery and lithium battery options, manage upper different from being charged and discharged.
Capable setting parameter: consideration system need to be compatible with the battery of different manufacturers, direct current diesel-driven generator etc., on-site supervision module
Function is arranged in reserved basic parameter, and the secondary setting of parameter can be carried out according to the equipment of different manufacturers.
The self-shield of diesel generating system module: under automatic mode, the booting of diesel-driven generator, shutdown command timeliness are 5
Minute, the switching on and shutting down order that issues of the system to diesel-driven generator under automatic mode is not responding in 5 minutes.
The operation, control of whole system are not necessarily to manual operation i.e. in the present invention, and full intelligence is realized by on-site monitoring equipment
It can run, while realize the automatic real-time switching of each module.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of control system of the multi-energy complementation based on on-site supervision characterized by comprising energy-storage module, photovoltaic mould
Block, direct current diesel generation module, inverter module, on-site supervision module, load energy module, rectification module, the first DC/DC mould
Block, the 2nd DC/DC module, wherein the energy-storage module is connected to the first DC/DC module input, the output of the first DC/DC module
It is connected to inverter module input terminal；Photovoltaic module is connected to the 2nd DC/DC module input, the output connection of the 2nd DC/DC module
To inverter module input terminal；Direct current diesel generation module output end is connected directly on DC bus；The output end of inverter module
It is connected on ac bus；Load is directly attached with ac bus with energy equipment；Rectification module connects DC bus and friendship
Flow bus；On-site supervision module is concatenated into photovoltaic module, energy-storage module, load with can module, inverter module and straight by bus
Diesel generation module is flowed, on-site supervision module has liquid crystal display, the operating status of real-time display system.
2. the control system of the multi-energy complementation based on on-site supervision as described in claim 1, it is characterised in that: further include one
Wireless data transmission module and remote I/O acquisition server, the on-site supervision module are real by the Wireless data transmission module
Now with the communication of the remote I/O acquisition server.
3. the control system of the multi-energy complementation based on on-site supervision as claimed in claim 1 or 2, it is characterised in that: also wrap
An alternate modular is included, for extending access way, which includes but is not limited to that alternating-current diesel power generator or city are electrically accessed.
4. the control system of the multi-energy complementation a method according to any one of claims 1-3 based on on-site supervision, it is characterised in that: institute
Stating inverter module is DC/AC inverter module, and rectification module is DC/AC rectification module.
5. the control system of the multi-energy complementation based on on-site supervision as claimed in claim 2, it is characterised in that: described wireless
Data transmitting module includes but is not limited to GPRS module, WIFI module, bluetooth module, ZIGBEE module.
6. the control system of the multi-energy complementation a method as claimed in any one of claims 1 to 5 based on on-site supervision, it is characterised in that: institute
It states on-site supervision module and photovoltaic module, energy-storage module, load is concatenated into can module, inverter module and straight by RS485 bus
Flow the RS485 communication interface of diesel generation module.
7. the control system of the multi-energy complementation based on on-site supervision as claimed in claim 2, on-site supervision module data turns
Hair RS485 communication interface is connected with the RS485 communication interface of Wireless data transmission module.
8. a kind of controlling party of the control system based on the multi-energy complementation as claimed in claim 1 to 7 based on on-site supervision
Method, which comprises the steps of:
S1: system prepares and operation；
S2: on-site supervision module reads the voltage value of energy-storage module and the realtime power of other modules in real time；Wherein other modules
Including photovoltaic module, direct current diesel generation module, inverter module, on-site supervision module, load energy module；
S3: judging system model, when its be manual mode, enter step S4；When its be automatic mode, enter step S5；
S4: judge under manual mode whether to be time, period strategy, start/stop direct current diesel oil hair if meeting Rule of judgment
Motor, on the contrary system continues to run；
S5: joint judgement is carried out according to the range of voltage values of energy-storage module and each modular power, determines and executes the operating mode.
9. the control method of the multi-energy complementation based on on-site supervision as claimed in claim 8, it is characterised in that: the step
Operating mode in S5 includes but is not limited to that photovoltaic module power supply, energy-storage module power supply, energy-storage module and photovoltaic module joint supply
Electricity, photovoltaic module and the power supply of direct current diesel generation module joint, energy-storage module and the power supply of direct current diesel generation module joint, energy storage
Module, photovoltaic module and the joint power supply of direct current diesel generation module.
10. the control method of the multi-energy complementation based on on-site supervision as claimed in claim 8 or 9, which is characterized in that also wrap
Include step S0:
Operation reserve is set, which includes but is not limited to powered operation, and the maintenance also comprising regularly energy-storage module is pre-
Alert and direct current diesel-driven generator maintenance early warning.
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Application publication date: 20190111 |