CN210780118U - Apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure - Google Patents
Apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure Download PDFInfo
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- CN210780118U CN210780118U CN201922137689.3U CN201922137689U CN210780118U CN 210780118 U CN210780118 U CN 210780118U CN 201922137689 U CN201922137689 U CN 201922137689U CN 210780118 U CN210780118 U CN 210780118U
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Abstract
The utility model discloses an apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure, including a plurality of sections energy storage generating lines, wind-powered electricity generation generating line and the energy storage system of difference in different stages are connected to each section energy storage generating line, set up the switch between energy storage generating line and the wind-powered electricity generation generating line that is connected and on energy storage system's the inlet wire, through energy storage contact switch interconnect between the energy storage generating line of difference. The utility model discloses an electric main wiring structure is equal to accomplish the capacity extension to single energy storage system, not only does not increase initial investment, practices thrift the engineering moreover and takes up an area of, has reduced engineering cost by a wide margin. After different energy storage systems are connected with each other through the interconnection switch, different energy storage systems configured in different wind power places are mutually shared, so that the power type battery has the functions of peak regulation, peak clipping and valley filling and the like while providing power grid frequency and voltage regulation services, and the problems of intermittent power generation characteristics of new energy, grid connection and power limitation are solved.
Description
Technical Field
The utility model belongs to electric field energy storage field relates to an apply to wind-powered electricity generation power side energy storage system's electric main wiring structure.
Background
Although electric power is a commodity, production, transportation and consumption of the electric power are almost completed at the same time, so that the electric power is different from common commodities in operation, electric power storage is a difficult problem which is always faced by industries in the last hundred years, the commodity attribute of the electric power is influenced, the use mode of energy can be changed, and the electric power storage is an important support for development and revolution of future energy industry. Under the situation of high-proportion renewable energy power generation, how to keep the balance of hourly power supply and demand of each region and realize the efficient utilization of a power system is an important direction for the development of future renewable energy. Randomness and intermittency are main technical barriers for large-scale development and utilization of renewable energy sources, and the breakthrough of the technical barriers requires active development and integration of technology and makes a great revolution on mechanisms and systems.
The stability and the safety of the operation of a power grid are influenced by the large-scale access of fluctuating and intermittent renewable energy sources, meanwhile, the traditional capacity expansion mode is limited by the contradiction between resource limitation such as power transmission corridor layout and the like and the continuous increase of load demand, the introduction of an energy storage technology can effectively relieve the contradiction, improve the acceptance capacity of the power grid, delay the equipment updating investment and improve the utilization rate of network resources and facilities. In addition, the intervention of energy storage can improve the access capability of distributed energy sources at the user side, deal with the catastrophe capability, ensure the power supply reliability and meet the requirement of electric energy quality. At present, the energy storage industry in China is in an important stage of transition from demonstration application to initial development of commercialization after more than ten years of development, but the initial investment of an energy storage system is high, and how to reduce the cost of the energy storage system becomes an important factor for restricting the rapid development of the energy storage industry; meanwhile, a centralized energy storage power station is configured at the power generation sides of the traditional power grid and the new energy, so that the functions of frequency modulation, peak shaving, peak clipping and valley filling and the like of the traditional power grid are optimized, or the problems of intermittent power generation limitation of the new energy, grid connection and electricity limitation and the like are solved, and a scientific and reasonable operation mode is an effective way for fully exerting the efficiency of an energy storage system; in addition, the design optimization of the energy storage system is needed, so that the reliability and the safety of the energy storage system are improved, and the workload of system operation and maintenance is reduced; finally, because the energy storage system occupies a large area, factors such as the occupied area of an energy storage power station and the like are comprehensively considered in system planning, land is saved to the greatest extent, and the utilization rate of land resources is improved. The energy storage and storage of the centralized wind and light power station configuration and the energy storage of the thermal power generating unit binding and participating in frequency modulation service and the energy storage of the distributed power generation system configuration become the three most important markets of energy storage system application at the present stage, and with the transition from demonstration application to commercial application, more and more market segments will appear, and some new application modes are continuously emerging.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an energy storage system reliability is not enough with the security among the above-mentioned prior art, and the operational mode is not nimble enough, and the work load of operation maintenance is big to and the higher problem of initial investment, provide one kind and apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure, improve energy storage system's performance, maximize performance energy storage system's effect and advantage.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure, includes a plurality of sections energy storage generating lines, and wind-powered electricity generation generating line and the energy storage system of difference in the different stages are connected to each section energy storage generating line, set up the switch between energy storage generating line section and the wind-powered electricity generation generating line that is connected and on the energy storage system inlet wire, through energy storage contact switch interconnect between the energy storage generating line section of difference.
As an optimal scheme, a certain period of wind power bus in a wind power plant is connected with a certain section of energy storage bus through a wind power incoming switch and an energy storage outgoing switch in sequence, and the energy storage bus section is connected with a certain energy storage system through the energy storage incoming switch.
As a preferred scheme, the energy storage bus and the wind power buses in different stages are buses with 35kV voltage level.
As a preferred scheme, the switches arranged between the energy storage bus and the wind power bus comprise an energy storage 35kV outgoing switch and a wind power 35kV incoming switch, and both the 35kV outgoing switch and the wind power 35kV incoming switch can be manually or automatically set through the dispatching end.
The switch arranged on the incoming line of the energy storage system is an energy storage 35kV incoming line switch which can be manually or automatically arranged through a dispatching end.
The energy storage contact switch is an energy storage contact 35kV switch, and the energy storage contact switch can be manually or automatically set through a dispatching end.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the energy storage buses are connected with each other through the energy storage interconnection switch, and different energy storage systems configured in different stages of wind power places are shared with each other, so that the operation reliability and safety of the energy storage systems can be greatly improved;
2. the energy storage capacity of each section of bus accessed to the wind power plant can be flexibly configured during operation, capacity expansion is equivalently completed for a single energy storage system, initial investment is not increased, engineering occupied space is saved, and engineering cost is greatly reduced;
3. after the energy storage systems are connected with each other through the energy storage interconnection switch, the power type battery can have the functions of peak regulation, peak clipping, valley filling and the like while providing the frequency modulation and voltage regulation service of a power grid, and the problems of intermittent power generation characteristics, grid connection and electricity limitation of new energy sources are solved;
4. the utility model discloses a circuit structure helps reducing the work load of system operation maintenance.
Drawings
Fig. 1 is a schematic view of an electrical main wiring structure of the present invention;
FIG. 2 is a detailed application diagram of the main electrical wiring structure of the present invention;
in the drawings: b1-energy storage first-stage 35kV bus, B2-energy storage second-stage 35kV bus, B3-wind power first-stage 35kV bus, B4-wind power second-stage 35kV bus, T1-energy storage first-stage 35kV outgoing switch, T2-energy storage second-stage 35kV outgoing switch, T3-energy storage interconnection 35kV switch, T4-energy storage first-stage 35kV incoming switch, T5-energy storage second-stage 35kV incoming switch, T6-wind power first-stage 35kV incoming switch and T7-wind power second-stage 35kV incoming switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-2, the utility model discloses apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure, including a plurality of sections energy storage generating lines, wind-powered electricity generation generating line and the energy storage system of difference of different stages are connected to each section energy storage generating line, set up the switch between energy storage generating line and the wind-powered electricity generating line that is connected and on energy storage system's the inlet wire, through energy storage contact switch interconnect between the energy storage generating line of difference.
The two-section energy storage 35kV bus is taken as an example for explanation, and comprises an energy storage first-stage 35kV bus B1, an energy storage second-stage 35kV bus B2, a wind power first-stage 35kV bus B3, a wind power second-stage 35kV bus B4, an energy storage first-stage 35kV switch T1, an energy storage second-stage 35kV switch T2 and an energy storage interconnection 35kV switch T3, wherein the energy storage first-stage 35kV bus B1 is connected with the wind power first-stage 35kV bus B3 through the energy storage first-stage 35kV switch T1, and the energy storage second-stage 35kV bus B2 is connected with the wind power second-stage 35kV bus B4 through the energy storage second-stage 35. In one embodiment, the wind power plant is divided into a system with access in more than two phases, a wind power first-phase 35kV bus B3 and a wind power second-phase 35kV bus B4 respectively pass through a wind power first-phase 35kV incoming switch T6, a wind power second-phase 35kV incoming switch T7, an energy storage first-phase 35kV outgoing switch T1 and an energy storage second-phase 35kV outgoing switch T2 and are connected to an energy storage first-phase 35kV bus B1 and an energy storage second-phase 35kV bus B2, the energy storage first-phase 35kV bus B1 and the energy storage second-phase 35kV bus B2 are connected through an energy storage connection 35kV switch T3, and energy storage systems configured in two-phase wind power places are shared with each.
Above-mentioned the utility model discloses electric main wiring structure is when the operation, one section 35kV generating line B1 of energy storage can be connected with wind-powered electricity generation first phase 35kV generating line B3 through one section 35kV switch T1 of energy storage, independent operation, also accessible energy storage contact 35kV switch T3 is connected with energy storage two-stage 35kV generating line B2, incorporate wind-powered electricity generation field second phase energy storage system, the operational mode can be by manual or automatic setting of dispatch end, accomplish energy storage system's capacity extension, make power type battery have the peak regulation when providing electric wire netting frequency modulation pressure regulating service simultaneously, functions such as millet are filled out in the peak clipping, help solving new forms of energy intermittent type nature power generation characteristic then, the limit electricity scheduling problem is incorporated into the.
The utility model discloses an electric main wiring structure has optimized energy storage system's configuration scheme, can effectually can use in the engineering to for power supply side energy storage system access system's mode provides a new optimization solution way, be equal to the completion capacity extension to single energy storage system, not only can not increase initial investment, practice thrift the engineering moreover and take up an area of, reduced engineering cost by a wide margin. Or different energy storage systems are connected with each other through the interconnection switch, so that the power type battery has the functions of peak regulation, peak clipping, valley filling and the like while providing the frequency modulation and voltage regulation service of the power grid, and the problems of intermittent power generation characteristics of new energy, grid connection and power limitation and the like are solved.
The above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention, and it should be understood by those skilled in the art that the technical solution can be modified and replaced by other simple modifications and replacements without departing from the spirit and principle of the present invention, and these modifications and replacements also fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides an apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure which characterized in that: including a plurality of sections energy storage generating lines, wind-powered electricity generation generating line and the energy storage system of difference in different stages are connected to each section energy storage generating line, set up the switch between energy storage generating line section and the wind-powered electricity generation generating line that is connected and on the energy storage system inlet wire, through energy storage contact switch interconnect between the energy storage generating line section of difference.
2. The electric main wiring structure applied to the wind power supply side energy storage system according to claim 1, characterized in that: a certain period of wind power bus in the wind power plant is connected with a certain section of energy storage bus through a wind power incoming switch and an energy storage outgoing switch in sequence, and the energy storage bus section is connected with a certain energy storage system through the energy storage incoming switch.
3. The electric main wiring structure applied to the wind power supply side energy storage system according to claim 1, characterized in that: the energy storage bus and the wind power bus at different stages are buses with 35kV voltage level.
4. The electric main wiring structure applied to the wind power supply side energy storage system according to claim 1, characterized in that: the switch that sets up between energy storage generating line and the wind-powered electricity generation generating line include energy storage 35kV switch and wind-powered electricity generation 35kV inlet wire switch of being qualified for the next round of competitions, 35kV outlet wire switch and wind-powered electricity generation 35kV inlet wire switch all can be through manual or automatic setting of dispatch end.
5. The electric main wiring structure applied to the wind power supply side energy storage system according to claim 1, characterized in that: the switch arranged on the incoming line of the energy storage system is an energy storage 35kV incoming line switch which can be manually or automatically arranged through a dispatching end.
6. The electric main wiring structure applied to the wind power supply side energy storage system according to claim 1, characterized in that: the energy storage interconnection switch is an energy storage interconnection 35kV switch, and the energy storage interconnection switch can be manually or automatically set through the dispatching end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922137689.3U CN210780118U (en) | 2019-12-03 | 2019-12-03 | Apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922137689.3U CN210780118U (en) | 2019-12-03 | 2019-12-03 | Apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure |
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| Publication Number | Publication Date |
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| CN210780118U true CN210780118U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922137689.3U Active CN210780118U (en) | 2019-12-03 | 2019-12-03 | Apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure |
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| Country | Link |
|---|---|
| CN (1) | CN210780118U (en) |
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- 2019-12-03 CN CN201922137689.3U patent/CN210780118U/en active Active
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