CN203933042U - A kind of distributed photovoltaic power station active power control device - Google Patents
A kind of distributed photovoltaic power station active power control device Download PDFInfo
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- CN203933042U CN203933042U CN201420327417.4U CN201420327417U CN203933042U CN 203933042 U CN203933042 U CN 203933042U CN 201420327417 U CN201420327417 U CN 201420327417U CN 203933042 U CN203933042 U CN 203933042U
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- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000007726 management method Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000013523 data management Methods 0.000 claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000011217 control strategy Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010003830 Automatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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
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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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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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Abstract
A kind of distributed photovoltaic power station active power control device.Described control device comprises communication management module, command processing module, AGC control device control module, data management module, information display module; Data management module is connected with communication management module, and described communication management module is also connected with complex control system, grid dispatching center, photovoltaic DC-to-AC converter in station; Described data management module is connected to respectively command processing module, AGC control module, information display module, and described AGC control module is also connected with command processing module.Described control device gathers automatically, processing, data that distributed storage photovoltaic plant is relevant, adopts corresponding control strategy, inverter active power in plant stand is unified to regulate, thereby guarantee that the real power of sending out of plant stand meets scheduling requirement.
Description
Technical field
The utility model belongs to photovoltaic plant control technology field, is specifically related to a kind of distributed photovoltaic power station active power rate control system.
Background technology
According to < < photovoltaic plant access electric power network technique regulation > > requirement, photovoltaic plant should have active power regulation ability, and can control its active power output according to dispatching of power netwoks departmental instruction.In traditional power industry, real power control is very ripe, but in emerging photovoltaic field, particularly distributed photovoltaic power station still faces a lot of problems.Due to the characteristics such as randomness, intermittence and periodicity of solar energy resources and the region in distributed photovoltaic power station dispersiveness, cause the real power control of distributed photovoltaic to want complicated difficulty a lot.At present, the real power control in domestic a lot of distributed photovoltaics power station is by manual adjustment, by the mode of start and stop inverter.Manually operated shortcoming is also a lot, such as the response time is long, power division is unreasonable, adjusting error rate is large, cost of labor is high, the mode of start and stop inverter easily realizes but unreasonable distribution, can not make full use of the generating capacity of all solar panels, bring significant threat also to the safe and reliable operation of electrical network simultaneously.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of distributed photovoltaic power station active power control device, described control device gathers automatically, processing, data that distributed storage photovoltaic plant is relevant, adopt corresponding control strategy, inverter active power in plant stand is unified to regulate, thereby guarantee that the real power of sending out of plant stand meets scheduling requirement.
To achieve these goals, the utility model is taked following technical scheme:
A distributed photovoltaic power station automatism voltage control device, described control device comprises communication management module, command processing module, AGC control module, data management module, information display module, it is characterized in that:
Described data management module is connected with communication management module;
Described data management module is also connected to respectively information display module, AGC control module, command processing module;
Described AGC control module is connected with command processing module;
Described communication management module is protocol converter and switch, is connected respectively with complex control system, grid dispatching center, photovoltaic DC-to-AC converter in station;
Described data management module comprises disk array, data buffer storage, data compressing module, data collector and shared drive etc.;
Described information display module adopts work station or liquid crystal display to show.
Liquid crystal display, client-server, data processing server and scada server are all connected with described active power control device shared drive with memory interface by data access; Described shared drive, data collector and data cache module are connected successively; Described data cache module is connected with history library by data transmit-receive thread.
Described system adopts the system configuration of client and server end C/S, supports two or more servers.
Communication management module is responsible for carrying out with the interior complex control system in station, grid dispatching center, photovoltaic DC-to-AC converter etc. the transmitting-receiving of real time information; The remote regulating that command processing module is responsible for communication management module to receive, remote control command are converted into the information that AGC control module can be identified, and the instruction transformation that AGC control module is issued is the form that different photovoltaic DC-to-AC converters can be identified; AGC control module, according to the current up-to-date real time information receiving, is carried out active power distribution by set strategy to full station photovoltaic DC-to-AC converter, makes the active power in current power station meet the requirement of dispatching of power netwoks; Data management module is responsible for storing all data messages that meritorious power control system relates to, and comprises history library and library management in real time; Information display module is responsible for showing the relevant information of active power control system operation, comprises the input of system/exit, this locality/distant place, target power curve, realtime power curve, increases locking, subtracts locking etc.
Described communication management module is responsible for complex control system, grid dispatching center, the remote measurement of photovoltaic DC-to-AC converter, remote signalling information in acquisition station, the running status, active power, reactive power, the real power control sign that comprise photovoltaic DC-to-AC converter, the active power of booster stations high-voltage side bus, reactive power and information of voltage.
Described data management module is to the active power of gathered photovoltaic DC-to-AC converter, reactive power, voltage, the related data of the reactive power of the active power of booster stations high-voltage side bus, reactive power and voltage and static passive compensation device, the environment detector that forwards by the interior work station of standing etc. is carried out rolling average, then inputs AGC control module.
Remote regulating, remote control command that described command processing module is responsible for the communication module to receive scheduling station are converted into the information that AGC control module can be identified, and the remote regulating that AGC control module is issued, remote control command are converted to the form that different photovoltaic DC-to-AC converters can be identified.
Described AGC control module has free power generation mode, distant place curve model, distant place pattern, local curve model, this locality five kinds of control models of pattern of setting up an office of setting up an office.
Described free power generation mode is exactly that the meritorious set point of each inverter is made as to the meritorious upper limit, freely generates electricity according to current natural environment in whole power station; Distant place curve model is exactly that regulate each inverter meritorious exerted oneself the real curve of sending out trace scheduling meritorious and issuing in power station is exerted oneself; The distant place pattern of setting up an office is exactly that the value of setting up an office issuing according to current scheduling regulates exerting oneself of each inverter; Local curve model is that the Plan Curve value of setting according to this locality regulates the meritorious of current power station to exert oneself; This locality pattern of setting up an office is exactly to regulate exerting oneself of each inverter according to the value of setting up an office of this locality.
Compared with prior art, the beneficial effects of the utility model are: a kind of distributed photovoltaic power station active power control device that the utility model provides, adopt Distributed architecture, during visit data, need not be concerned about the physical location of data server, the handling property of whole system and capacity can smooth upgrades.
1. support cross-platform operation, both can in Windows operating system platform, move, also can in various UNIX/Linux operating system platforms, move, also can on hybrid system platform, move.
2. when device has newly-increased data access, only need to increase the memory capacity of configurable number strong point and database server, dilatation is convenient.
Accompanying drawing explanation
Fig. 1 the application distributed photovoltaic power station active power control device structure chart;
Wherein, 1 is active power control device, 2 is data management module, and 3 is communication management module, and 4 is command processing module, 5 is AGC control module, 6 is information display module, and 7 is complex control system in station, and 8 is full station photovoltaic DC-to-AC converter, 8-1---8-n is a plurality of photovoltaic DC-to-AC converters, and 9 is grid dispatching center.
Embodiment
Below in conjunction with accompanying drawing, technical solutions of the utility model are described in further detail.
As shown in Figure 1, this patent provides a kind of distributed photovoltaic power station active power control device 1, and described control device 1 comprises communication management module 3, command processing module 4, AGC control module 5, data management module 2, information display module 6.Communication management module 3 is responsible for carrying out with the interior complex control system 7 in station, grid dispatching center 9, photovoltaic DC-to-AC converter 8 etc. the transmitting-receiving of real time information; Remote regulating, remote control command that command processing module 4 is responsible for communication management module 3 to receive are converted into the information that AGC control module 5 can be identified, and the instruction transformation that AGC control module 5 is issued is the form that different photovoltaic DC-to-AC converters 8 can be identified; AGC control module 5, according to the current up-to-date information receiving, is carried out active power distribution by corresponding strategy to full station photovoltaic DC-to-AC converter, makes the active power in current power station meet the requirement of dispatching of power netwoks; Data management module is responsible for all data messages that storage system relates to and is comprised history library and library management in real time; Information display module is responsible for the relevant information of display systems operation.
Described communication management module 3 is responsible for gathering remote measurement, the remote signalling information of institute's attached device, the running status, active power, reactive power, the real power control sign that comprise photovoltaic DC-to-AC converter, the reactive power of the active power of booster stations high-voltage side bus, reactive power and voltage and static passive compensation device, by the information such as related data of the environment detector that in station, work station forwards.
Active power, reactive power, the voltage of 2 pairs of photovoltaic DC-to-AC converters that gather of described data management module, the related data of the reactive power of the active power of booster stations high-voltage side bus, reactive power and voltage and static passive compensation device, the environment detector that forwards by the interior work station of standing etc. is carried out rolling average, then participates in the calculating of AGC control module 5.
Remote regulating, remote control command that described command processing module 4 is responsible for the communication module to receive scheduling station are converted into the information that AGC control module can be identified, and the remote regulating that AGC control module 5 is issued, remote control command are converted to the form that different photovoltaic DC-to-AC converters can be identified; AGC control module 5 can directly be got and control required remote measurement, remote signalling data from data management module.
Finally it should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (2)
1. an intelligent distributed photovoltaic plant active power control device, comprises communication management module, command processing module, AGC control module, data management module, information display module; It is characterized in that:
Described data management module is connected with communication management module;
Described data management module is also connected to respectively information display module, AGC control module, command processing module;
Described AGC control module is connected with command processing module;
Described communication management module is protocol converter and switch, is connected respectively with complex control system, grid dispatching center, photovoltaic DC-to-AC converter in station;
Described data management module comprises disk array, data cache module, data compressing module, data collector and shared drive;
Described information display module is work station or liquid crystal display.
2. intelligent distributed photovoltaic plant active power control device according to claim 1, is characterized in that:
Liquid crystal display, client-server, data processing server and Scada server are all connected with described active power control device shared drive with memory interface by data access; Described shared drive, data collector and data cache module are connected successively; Described data cache module is connected with history library by data transmit-receive thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420327417.4U CN203933042U (en) | 2014-06-19 | 2014-06-19 | A kind of distributed photovoltaic power station active power control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420327417.4U CN203933042U (en) | 2014-06-19 | 2014-06-19 | A kind of distributed photovoltaic power station active power control device |
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| Publication Number | Publication Date |
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| CN203933042U true CN203933042U (en) | 2014-11-05 |
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| CN201420327417.4U Expired - Lifetime CN203933042U (en) | 2014-06-19 | 2014-06-19 | A kind of distributed photovoltaic power station active power control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130065B (en) * | 2016-07-01 | 2018-11-02 | 国网浙江省电力公司电力科学研究院 | A kind of distributed photovoltaic group system |
| CN116526587A (en) * | 2023-06-16 | 2023-08-01 | 国网山东省电力公司泰安供电公司 | Photovoltaic grid-connected configuration-free system and method |
-
2014
- 2014-06-19 CN CN201420327417.4U patent/CN203933042U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130065B (en) * | 2016-07-01 | 2018-11-02 | 国网浙江省电力公司电力科学研究院 | A kind of distributed photovoltaic group system |
| CN116526587A (en) * | 2023-06-16 | 2023-08-01 | 国网山东省电力公司泰安供电公司 | Photovoltaic grid-connected configuration-free system and method |
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| CX01 | Expiry of patent term |
Granted publication date: 20141105 |