CN203674733U - Local electric power supply dual-network distributed control system - Google Patents
Local electric power supply dual-network distributed control system Download PDFInfo
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- CN203674733U CN203674733U CN201320518177.1U CN201320518177U CN203674733U CN 203674733 U CN203674733 U CN 203674733U CN 201320518177 U CN201320518177 U CN 201320518177U CN 203674733 U CN203674733 U CN 203674733U
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- electric power
- power supply
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- power
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model discloses a local electric power supply dual-network distributed control system which comprises an electric power storage part and an adjusting and controlling part. The electric power storage part comprises a hydropower station, a plurality of additional electric power supply networks and a plurality of photovoltaic electric power generating stations. The adjusting and controlling part comprises a plurality of control units, the control units belong to different user terminals, the control units correspond to the photovoltaic electric power generating stations in a one-to-one mode, the additional electric power supply networks are connected with the hydropower station, and electric power is supplied to the additional electric power supply networks through the hydropower station. A dual-network electric power supply system is formed by a mains supply network and the additional electric power supply networks, when electric power is normally used, the user terminals are connected with the mains supply network and are provided with electric power supply, the control units control the photovoltaic electric power generating stations to be connected with the hydropower station, and water is pumped and energy is stored through the electric power of the photovoltaic electric power generating stations. In peak demand periods, the hydropower station generates the electric power through water level altitude differences of an energy storage water reservoir and is connected with the additional electric power supply networks, and the user terminals are switched into the additional electric power supply networks and are provided with electric power supply. According to the local electric power supply dual-network distributed control system, the problem that the electric power is insufficient in the peak demand periods is solved, and implementation guarantees are provided for the distribution operation and unified management modes of the solar electric power generation grid connection application for wide-range user groups.
Description
Technical field
The utility model relates to many net power supply relevant apparatus, the two net Distributed Control Systems of especially a kind of local power.
Background technology
In the grid-connected application of common solar power generation, what generally take is that photovoltaic electric energy inversion boosting is incorporated to the method being incorporated to and photo-thermal power generation boosts, because the scale of domestic electrical network has the feature of big unification, so just relatively strict to the requirement of grid-connected electric energy, that just need purchase expensive equipment therefrom.But, be applicable to non-big unification that the energy resource structure of Chinese Resources, geographical conditions and weather disperses exactly, decentralized control formula.This external electricity consumption time is upper, occurs, for example: air-conditioning electric power increasing etc. with the rising of temperature with the different periods in season, one day when on the peak.Complexity and unsteadiness that these have all increased unintentionally whole electric power system, what how to solve peak period electrical network supplies electrical stability and the balanced power load of trying one's best, and becomes the key of an industry solution power supply difficult problem.
Utility model content
The problem existing for prior art, the purpose of this utility model is to provide a kind of two net Distributed Control Systems of local power required during for local power network regulation peak and steady load.
For achieving the above object, the two net Distributed Control Systems of the utility model local power, comprise energy storage part and regulation and control portion, energy storage part comprises hydroelectric station, several supplemental powered nets and several photo-voltaic power generation stations, and regulation and control portion comprises several control units, wherein, several control units are subordinated to different user end, control unit and photo-voltaic power generation station corresponding implementation control one by one, supplemental powered net is connected with hydroelectric station, and supplemental powered net provides electric power by hydroelectric station; Utility grid and the two net electric power systems of supplemental powered net composition, when normal electricity consumption, the power supply of user's termination utility grid, control unit control photo-voltaic power generation station is connected with hydroelectric station, utilizes the electric power of photo-voltaic power generation station to carry out pumped storage; When peak of power consumption, hydroelectric station utilizes the water level discrepancy in elevation of accumulation of energy reservoir to generate electricity and accesses supplemental powered net, and user side switches to supplemental powered net power supply.
Further, in described pair of net electric power system, be also provided with Shuan Wang transformer station, described utility grid and Guo Shuanwang transformer station of supplemental powered Netcom switch operating mode.
Further, described energy storage part also comprises elevated reservoir, low level reservoir, several irrigate by lifting water to a higher level with a water pump, etc. pump and supplemental powered net, and elevated reservoir, low level reservoir and several are irrigated by lifting water to a higher level with a water pump, etc. pump and are arranged in described hydroelectric station, and the power that draws water of irrigating by lifting water to a higher level with a water pump, etc. pump is regulated by described control unit.
Further, described regulation and control portion also comprises DCS control system, Shuan Wang transformer station and communication network, DCS control system and control unit described in several, described in several, between photo-voltaic power generation station and Shuan Wang transformer station, is connected by communication network.
Further, when normal electricity consumption, described DCS control system is sent instruction and is controlled described photo-voltaic power generation station generating separately to the described control unit that has separately of each user, and irrigating by lifting water to a higher level with a water pump, etc. pump described in this driven by power carries out from described low level reservoir to described elevated reservoir pumped storage.
Further, when peak of power consumption, hydroelectric station described in the control of described DCS control system, utilizes the water level discrepancy in elevation of described elevated reservoir, low level reservoir generate electricity and access described supplemental powered net, powers to user side.
Further, described in several, described in control unit and photo-voltaic power generation station described in several and several, irrigate by lifting water to a higher level with a water pump, etc. pump corresponding implementation control one by one.
Further, described supplemental powered net provides electric power by described hydroelectric station, implements stable power-supplying by user's fully loaded load, and the generating capacity in described hydroelectric station, the retaining of described high-low position reservoir can be mated with user's power consumption design.
Further, described DCS control system is implemented account management and the record of generating, electricity consumption, pumped storage to all described control units and user side thereof, in a certain, high-power electric appliance is while being about to close, send to the processing of described DCS control system through described communication network operation requirements, through described communication network, control command is reached to described control unit again, and described control unit is irrigated by lifting water to a higher level with a water pump, etc. pump described in starting by the power consumption of closed electrical equipment and is drawn water and carry out power back-off.
Further, described DCS control system control supplemental powered net associating or take turns to operate described in several, by pumped storage and power back-off overall arrangement.
The two net Distributed Control Systems of the utility model local power have mainly solved the power shortage problem of peak electricity consumption phase, and distributed operation and the unified management pattern applied for wide range of users group's solar power generation grid-connecting provide guarantee for implement.
Accompanying drawing explanation
Fig. 1 is Control System NetWork schematic diagram of the present utility model;
Fig. 2 is general arrangement of the present utility model and connects work schematic diagram.
Embodiment
Below, with reference to accompanying drawing, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.But the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment that is confined to narrate here.But, these embodiment are provided, thereby make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
For ease of explanation, here can use such as " on ", the space relative terms such as D score " left side " " right side ", the relation for element shown in key diagram or feature with respect to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise the different azimuth of device in using or operating.For example, if the device in figure is squeezed, be stated as the element that is positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower orientation both.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and the relative explanation in space used here can correspondingly be explained.
Power back-off explanation: in order to make supply network steady operation, necessarily require all electricity consumption load power consumption to remain unchanged, just must start other electrical appliance work of corresponding power to keep electricity consumption load power consumption to remain unchanged in the time having high-power electric appliance to close; In this case, use and irrigate by lifting water to a higher level with a water pump, etc. the alternative high-power electric appliance work of pump to keep the power of whole electrical network load constant, also reach the effect of pumping storage simultaneously.
As shown in Figure 1, 2, the two net Distributed Control Systems of the utility model local power, comprise energy storage part and regulation and control portion, wherein, energy storage part comprises elevated reservoir 1, low level reservoir 2, several photo-voltaic power generation stations 3, several irrigate by lifting water to a higher level with a water pump, etc. pump 4, hydroelectric station 5, supplemental powered net 6 etc., and elevated reservoir 1, low level reservoir 2 and several are irrigated by lifting water to a higher level with a water pump, etc. all supporting being arranged in hydroelectric station 5 of pump 4.Regulation and control portion is provided with DCS control system 8, several control units 9, Shuan Wang transformer station 10, communication network 11 etc.
Supplemental powered net 6 provides electric power by hydroelectric station 5, and supplemental powered net 6 is set to implement stable power-supplying by the fully loaded load of user side 7, and the water-holding capacity in hydroelectric station 5 mates design with user's power consumption.In addition, the two net Distributed Control Systems of the utility model local power also can be set to control several supplemental powered nets 6 by a DCS control system 8 combines or takes turns to operate, by pumped storage and power back-off overall arrangement.
In the utility model, utility grid 12 and the two net electric power systems of supplemental powered net 6 composition, utility grid 12 and supplemental powered net 6 are in Shuan Wang transformer station 10 switch operating modes, user pulls and connects utility grid 12 at ordinary times, photo-voltaic power generation station 3 generatings drive irrigates by lifting water to a higher level with a water pump, etc. pump 4 pumped storages, when the peak of power consumption of civil power carrys out user side 7 to be switched to supplemental powered net 6 temporarily.When normal electricity consumption, DCS control system 8 is sent the photo-voltaic power generation station 3 that control unit 9 that instruction has separately to each user controls separately and is generated electricity, and this driven by power is irrigated by lifting water to a higher level with a water pump, etc. pump 4 and carried out from low level reservoir 2 to elevated reservoir 1 pumped storage.When peak of power consumption, DCS control system 8 is controlled the water level discrepancy in elevation that hydroelectric station 5 utilizes elevated reservoir 1, low level reservoir 2 and is generated electricity and access supplemental powered net 6, powers to user side 7.
For example: in a certain, high-power electric appliance is while being about to close, send to DCS control system 8 and process immediately through communication network 11 operation requirements, then through communication network 11, control command reached to control unit 9 again and start and irrigate by lifting water to a higher level with a water pump, etc. pump 4 and draw water and carry out power back-off by the power consumption of closed electrical equipment by this unit.
The two net Distributed Control Systems of the utility model local power have solved the power shortage problem of peak electricity consumption phase, for the electrical network user who possesses the certain nominal load of hydraulic energy storage, adopt two net switch operatings and power back-off mode to stablize the power supply capacity of electrical network, and improve the degree of participating in of user to pumped storage simultaneously, also improved the utilization ratio of hydraulic energy storage, for wide range of users group's distributed operation and unified management pattern provide guarantee for implement simultaneously.
Claims (3)
1. the two net Distributed Control Systems of local power, it is characterized in that, comprise energy storage part and regulation and control portion, energy storage part comprises hydroelectric station, several supplemental powered nets and several photo-voltaic power generation stations, and regulation and control portion comprises several control units, wherein, several control units are subordinated to different user end, control unit and photo-voltaic power generation station corresponding implementation control one by one, supplemental powered net is connected with hydroelectric station, and supplemental powered net provides electric power by hydroelectric station; Supplemental powered net and the two net electric power systems of utility grid composition, when normal electricity consumption, the power supply of user's termination utility grid, control unit control photo-voltaic power generation station is connected with hydroelectric station, utilizes the electric power of photo-voltaic power generation station to carry out pumped storage; When peak of power consumption, hydroelectric station utilizes the water level discrepancy in elevation of accumulation of energy reservoir to generate electricity and accesses supplemental powered net, and user side switches to supplemental powered net power supply.
2. the two net Distributed Control Systems of local power as claimed in claim 1, is characterized in that, are also provided with Shuan Wang transformer station, described utility grid and Guo Shuanwang transformer station of supplemental powered Netcom switch operating mode in described pair of net electric power system.
3. the two net Distributed Control Systems of local power as claimed in claim 1, it is characterized in that, described energy storage part also comprises elevated reservoir, low level reservoir, several irrigate by lifting water to a higher level with a water pump, etc. pump and supplemental powered net, elevated reservoir, low level reservoir and several are irrigated by lifting water to a higher level with a water pump, etc. pump and are arranged in described hydroelectric station, and the power that draws water of irrigating by lifting water to a higher level with a water pump, etc. pump is regulated by described control unit.
4. the two net Distributed Control Systems of local power as claimed in claim 3, it is characterized in that, described regulation and control portion also comprises DCS control system, Shuan Wang transformer station and communication network, DCS control system and control unit described in several, described in several, between photo-voltaic power generation station and Shuan Wang transformer station, is connected by communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518177.1U CN203674733U (en) | 2013-08-23 | 2013-08-23 | Local electric power supply dual-network distributed control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518177.1U CN203674733U (en) | 2013-08-23 | 2013-08-23 | Local electric power supply dual-network distributed control system |
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| CN203674733U true CN203674733U (en) | 2014-06-25 |
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| CN201320518177.1U Expired - Fee Related CN203674733U (en) | 2013-08-23 | 2013-08-23 | Local electric power supply dual-network distributed control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441536A (en) * | 2013-08-23 | 2013-12-11 | 中海阳能源集团股份有限公司 | Local power supply double-network distributed control system |
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- 2013-08-23 CN CN201320518177.1U patent/CN203674733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441536A (en) * | 2013-08-23 | 2013-12-11 | 中海阳能源集团股份有限公司 | Local power supply double-network distributed control system |
| CN103441536B (en) * | 2013-08-23 | 2015-10-28 | 中海阳能源集团股份有限公司 | Local power supply double-network distributed control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20180823 |