CN112436555A - Shared energy storage system and method based on block chain technology - Google Patents
Shared energy storage system and method based on block chain technology Download PDFInfo
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- CN112436555A CN112436555A CN202011390687.6A CN202011390687A CN112436555A CN 112436555 A CN112436555 A CN 112436555A CN 202011390687 A CN202011390687 A CN 202011390687A CN 112436555 A CN112436555 A CN 112436555A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 142
- 238000005516 engineering process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005457 optimization Methods 0.000 claims abstract description 27
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000011161 development Methods 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
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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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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y02E40/10—Flexible AC transmission systems [FACTS]
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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
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- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a shared energy storage system and method based on a block chain technology, which comprises a power grid, an energy storage scheduling optimization system, an energy storage monitoring control system, a battery energy storage system, a first block chain node, a DC/AC bidirectional converter, a first intelligent electric meter, a plurality of wind power branches and a plurality of photovoltaic branches, wherein the power grid is connected with the energy storage scheduling optimization system through a power grid; each wind power branch comprises a second block chain node, a wind power station, an AC/DC converter and a first intelligent ammeter; each photovoltaic branch comprises a third block chain node, a photovoltaic power station, a DC/DC converter and a third intelligent ammeter; the power grid is connected with the battery energy storage system through the first intelligent electric meter and the DC/AC bidirectional converter; the wind power station and the second intelligent electric meter are connected with the second block chain nodes, the photovoltaic power station and the third intelligent electric meter are connected with the third block chain nodes, and the first block chain nodes are connected with the second block chain nodes, the third block chain nodes, the first intelligent electric meter, the power grid and the energy storage scheduling optimization system.
Description
Technical Field
The invention belongs to the technical field of energy storage, and relates to a shared energy storage system and method based on a block chain technology.
Background
Energy storage technology is technology that stores energy by means of a device or physical medium for later use when needed. With the continuous improvement of the level of're-electrification', the occupation ratio of renewable power sources such as wind power and photovoltaic power sources in a power system gradually rises, and the requirements of various links of the power system on energy storage application are gradually enhanced. In the new situation and situation of the development of the power industry, more advanced, reliable, safe and economical energy storage technology is needed as a support for the healthy, safe and stable operation of the power system. The development trend of future energy interconnection and energy complementation provides a wider application space for an energy storage technology, and the energy storage becomes a key point in the process of realizing a high-proportion renewable energy scene.
New global energy is rapidly developed, so that the stored energy plays a more important role in safe and stable operation of a power grid. The energy storage technologies such as pumped storage, electrochemical energy storage, fused salt heat storage and the like are different in color, and are widely applied to the global electric power industry, and the development prospect of the energy storage industry is wide. Especially, the commercial development of lithium ion battery technology represented by Huaneng Engdi project is gradually accelerated, the cost is continuously reduced, and the development of the European energy storage industry is led.
Similar to the global energy situation, most domestic energy enterprises are also transforming to new energy. In order to support large-scale wind power and photovoltaic high-quality development of energy enterprises, energy storage policies, technologies and industrial development need to be focused, multi-aspect force is integrated, and safety, economy and operation efficiency of an energy storage system are improved.
In recent two years, with the development of the battery energy storage industry, the cost of the battery energy storage industry is reduced by nearly one third, but the energy storage system is relatively high in price, the investment yield of the battery energy storage in the electric power market in China is low, and the earnings cannot be generated through the forms of power transmission and distribution price, electric power spot goods and the like, and the energy storage system is a road barricade of an energy storage system matched with a new energy power station. At present, nearly one third of provincial energy departments or power grid companies exist in China to send texts, and new energy power stations are definitely required to be equipped with energy storage systems in proportion. How to develop the energy storage in the new energy flat era, helping the new energy power station to realize high-quality development, improving the safe and stable operation capacity of the power grid, and designing a feasible energy storage business mode is a difficult problem in front of experts in all energy storage fields.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a shared energy storage system and a method based on a block chain technology, and the system and the method can improve the safe and stable operation capability of a power grid.
In order to achieve the purpose, the shared energy storage system based on the block chain technology comprises a power grid, an energy storage scheduling optimization system, an energy storage monitoring control system, a battery energy storage system, a first block chain node, a DC/AC bidirectional converter, a first intelligent electric meter, a plurality of wind power branches and a plurality of photovoltaic branches;
each wind power branch comprises a second block chain node, a wind power station, an AC/DC converter and a first intelligent electric meter, and the wind power station is connected with the battery energy storage system through the AC/DC converter and the second intelligent electric meter;
each photovoltaic branch comprises a third block chain node, a photovoltaic power station, a DC/DC converter and a third intelligent electric meter, wherein the photovoltaic power station is connected with the battery energy storage system through the DC/DC converter and the third intelligent electric meter;
the power grid is connected with the battery energy storage system through the first intelligent electric meter and the DC/AC bidirectional converter;
the output end of the energy storage scheduling optimization system is connected with the control end of the battery energy storage system through an energy storage monitoring control system;
wind power station and second smart electric meter are connected with second block chain node, and photovoltaic power station and third smart electric meter are connected with third block chain node, first block chain node and second block chain node, third block chain node, first smart electric meter, electric wire netting and energy storage dispatch optimization system.
The system also comprises a communication network, wherein the first block link point is connected with the first block link node and the second block link point through the communication network.
A shared energy storage method based on a block chain technology comprises the following steps:
the power grid sends a scheduling instruction of the photovoltaic power station and a scheduling instruction of the wind power station to the energy storage scheduling optimization system, the energy storage scheduling optimization system optimizes the charging and discharging requirements of the battery energy storage system according to the scheduling instruction of the photovoltaic power station and the scheduling instruction of the wind power station, and meanwhile, the energy storage scheduling optimization system responds to the scheduling instruction of the energy storage scheduling optimization system according to the current working state of the battery energy storage system;
meanwhile, the power grid sends a scheduling instruction of the photovoltaic power station to the photovoltaic power station and sends a scheduling instruction of the wind power station to the wind power station, the photovoltaic power station operates according to the scheduling instruction of the photovoltaic power station, and the wind power station operates according to the scheduling instruction of the wind power station;
the first block chain link point detects the charging and discharging amount of the power grid to the battery energy storage system through a first intelligent electric meter, the second block chain link point detects the charging electric quantity of the battery energy storage system through a second intelligent electric meter, and the third block chain link point detects the charging electric quantity of the wind power station to the battery energy storage system through a third intelligent electric meter;
and the first block chain node, the second block chain node and the third block chain node perform electric energy transaction according to a preset electric power transaction rule, the charge and discharge amount detected by the first intelligent electric meter, the charge amount detected by the second intelligent electric meter and the charge amount detected by the third intelligent electric meter.
The method comprises the steps that a first block link point records a photovoltaic power station dispatching instruction and a wind power station dispatching instruction sent by a power grid, and simultaneously records charge and discharge amount detected by a first intelligent ammeter; the third block chain node records the charging amount detected by the third intelligent electric meter, and the second block chain node records the charging amount detected by the second intelligent electric meter.
When the system is in operation, the energy storage scheduling optimization system controls the battery energy storage system to charge and discharge the power grid through the energy storage monitoring control system according to peak-load and frequency-modulation scheduling requirements of the power grid on the photovoltaic power station and the wind power station.
When the battery energy storage system discharges, the direct current output by the battery energy storage system is converted into alternating current by the DC/AC bidirectional converter and then is sent into a power grid.
The charging modes of the battery energy storage system are divided into two modes, wherein the first mode is as follows: the alternating current output by the power grid is converted into direct current by the DC/AC bidirectional converter and then stored in the battery energy storage system, and the other operation mode is as follows: electric energy generated by the photovoltaic power station is stored in the battery energy storage system after electric energy parameters are adjusted by the DC/DC converter, and electric energy output by the wind power station is stored in the battery energy storage system by the AC/DC converter.
The invention has the following beneficial effects:
the shared energy storage system and the method based on the block chain technology realize the regulation service for a plurality of new energy power stations in a shared energy storage mode during specific operation, simultaneously adopt the district cross-chain technology to participate in the electric power market auxiliary service, provide guarantee for the safe and stable operation of a power grid, simultaneously reduce the initial investment and reduce the cost of the battery energy storage system. Meanwhile, the wind power station and the photovoltaic power station do not need to invest in building a battery energy storage system, so that operation, maintenance and investment risks are low.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The system comprises a power grid, an energy storage dispatching optimization system, an energy storage monitoring control system, a battery energy storage system, a DC/AC bidirectional converter, a first block link node 61, a third block link node 62, a second block link node 63, a photovoltaic power station 7, a wind power station 8, a DC/DC converter 9, an AC/DC converter 10, a first intelligent electric meter 111, a third intelligent electric meter 112 and a second intelligent electric meter 113.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the shared energy storage system based on the block chain technology includes a power grid 1, an energy storage scheduling optimization system 2, an energy storage monitoring control system 3, a battery energy storage system 4, a first block chain node 61, a DC/AC bidirectional converter 5, a first smart meter 111, a plurality of wind power branches and a plurality of photovoltaic branches; each wind power branch comprises a second block chain node 63, a wind power station 8, an AC/DC converter 10 and a first intelligent electric meter 111, and the wind power station 8 is connected with the battery energy storage system 4 through the AC/DC converter 10 and a second intelligent electric meter 113; each photovoltaic branch comprises a third block chain node 62, a photovoltaic power station 7, a DC/DC converter 9 and a third intelligent electric meter 112, wherein the photovoltaic power station 7 is connected with the battery energy storage system 4 through the DC/DC converter 9 and the third intelligent electric meter 112; the power grid 1 is connected with the battery energy storage system 4 through a first intelligent electric meter 111 and a DC/AC bidirectional converter 5; the output end of the energy storage scheduling optimization system 2 is connected with the control end of a battery energy storage system 4 through an energy storage monitoring control system 3; the wind power station 8 and the second smart meter 113 are connected with the second block chain node 63, the photovoltaic power station 7 and the third smart meter 112 are connected with the third block chain node 62, and the first block chain node 61 is connected with the second block chain node 63, the third block chain node 62, the first smart meter 111, the power grid 1 and the energy storage scheduling optimization system 2.
The present invention further comprises a communication network, wherein the first blockchain node 61 is connected to the first blockchain node 61 and the second blockchain node 63 via the communication network.
The invention relates to a block chain technology-based shared energy storage method, which comprises the following steps:
the power grid 1 sends a scheduling instruction of the photovoltaic power station 7 and a scheduling instruction of the wind power station 8 to the energy storage scheduling optimization system 2, the energy storage scheduling optimization system 2 optimizes the charging and discharging requirements of the battery energy storage system 4 according to the scheduling instruction of the photovoltaic power station 7 and the scheduling instruction of the wind power station 8, meanwhile, according to a response strategy of the current working state of the battery energy storage system 4 to the scheduling instruction of the energy storage scheduling optimization system 2, an operation plan of the battery energy storage system 4 in the next time period is generated, the operation plan of the battery energy storage system 4 in the next time period is issued to the energy storage monitoring control system 3, and the energy storage monitoring control system 3 controls the operation of the battery energy storage system 4 according to the operation plan of the battery energy storage system 4.
The power grid 1 sends a scheduling instruction of the photovoltaic power station 7 to the photovoltaic power station 7, sends the scheduling instruction of the wind power station 8 to the wind power station 8, stores the scheduling instruction of the photovoltaic power station 7 in a third block chain node 62, stores the scheduling instruction of the wind power station 8 in a second block chain node 63, and the photovoltaic power station 7 operates according to the scheduling instruction of the photovoltaic power station 7 and the wind power station 8 operates according to the scheduling instruction of the wind power station 8;
when the wind power station 8 and the photovoltaic power station 7 meet the dispatching load requirement and have residual electric quantity, the residual electric quantity is stored in the electric energy storage system; when the power grid 1 meets the load requirement and has residual electric quantity, the residual electric quantity is stored in the electric energy storage system;
when the system is in operation, the energy storage scheduling optimization system 2 controls the battery energy storage system 4 to discharge the power grid 1 through the energy storage monitoring control system 3 according to the peak-load and frequency-modulation scheduling requirements of the power grid 1 on the photovoltaic power station 7 and the wind power station 8;
when the battery energy storage system 4 discharges, the direct current output by the battery energy storage system 4 is converted into alternating current by the DC/AC bidirectional converter 5 and then is sent into the power grid 1; the charging mode of the battery energy storage system 4 includes two operation modes, wherein the first mode is: the alternating current output by the power grid 1 is converted into direct current by a DC/AC bidirectional converter 5 and then stored in a battery energy storage system 4, and the other mode is as follows: electric energy generated by the photovoltaic power station 7 is stored in the battery energy storage system 4 after electric energy parameters are adjusted by the DC/DC converter 9, and electric energy output by the wind power station 8 is stored in the battery energy storage system 4 by the AC/DC converter 10.
The first block chain node 61 detects the charging and discharging amount of the power grid 1 to the battery energy storage system 4 through a first intelligent electric meter 111, the second block chain node 63 detects the charging electric quantity of the photovoltaic power station 7 to the battery energy storage system 4 through a second intelligent electric meter 113, and the third block chain node 62 detects the charging electric quantity of the wind power station 8 to the battery energy storage system 4 through a third intelligent electric meter 112;
the first block chain node 61, the second block chain node 63 and the third block chain node 62 perform electric energy transaction according to a preset electric energy transaction rule, the charge and discharge amount detected by the first smart meter 111, the charge amount detected by the second smart meter 113 and the charge amount detected by the third smart meter 112.
The first block chain node 61 records a scheduling instruction of the photovoltaic power station 7 and a scheduling instruction of the wind power station 8 sent by the power grid 1, and records the charge and discharge amount detected by the first intelligent electric meter 111; the third block link node 62 records the charging amount detected by the third smart meter 112, and the second block link node 63 records the charging amount detected by the second smart meter 113.
In conclusion, the invention provides regulation service for a plurality of new energy power stations in a shared energy storage mode, can independently participate in auxiliary service of the electric power market, provides guarantee for safe and stable operation of a power grid, records all main data and transactions in the system operation process in real time at block chain nodes, converts the electric power market transaction rules into intelligent contracts, confirms the transactions conforming to the intelligent contracts, signs immediately for effectiveness, and cannot be changed, so that a decentralized or weakly centralized storage structure is adopted, the operation safety, order, convenience and timeliness of the whole system are improved, and all participating main bodies can benefit in the business process of the energy storage project.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (6)
1. A shared energy storage system based on a block chain technology is characterized by comprising a power grid (1), an energy storage scheduling optimization system (2), an energy storage monitoring control system (3), a battery energy storage system (4), a first block chain node (61), a DC/AC bidirectional converter (5), a first intelligent electric meter (111), a plurality of wind power branches and a plurality of photovoltaic branches;
each wind power branch comprises a second block chain node (63), a wind power station (8), an AC/DC converter (10) and a first intelligent electric meter (111), and the wind power station (8) is connected with the battery energy storage system (4) through the AC/DC converter (10) and a second intelligent electric meter (113);
each photovoltaic branch comprises a third block chain node (62), a photovoltaic power station (7), a DC/DC converter (9) and a third intelligent electric meter (112), wherein the photovoltaic power station (7) is connected with the battery energy storage system (4) through the DC/DC converter (9) and the third intelligent electric meter (112);
the power grid (1) is connected with the battery energy storage system (4) through a first intelligent electric meter (111) and a DC/AC bidirectional converter (5);
the output end of the energy storage scheduling optimization system (2) is connected with the control end of the battery energy storage system (4) through the energy storage monitoring control system (3);
wind power station (8) and second smart electric meter (113) are connected with second block chain node (63), photovoltaic power station (7) and third smart electric meter (112) are connected with third block chain node (62), and first block chain node (61) is connected with second block chain node (63), third block chain node (62), first smart electric meter (111), electric wire netting (1) and energy storage scheduling optimization system (2).
2. A shared energy storage system based on block chain technology according to claim 1, further comprising a communication network, wherein the first block chain node (61) is connected to the first block chain node (61) and the second block chain node (63) via the communication network.
3. A shared energy storage method based on a block chain technology is characterized by comprising the following steps:
the power grid (1) sends a scheduling instruction of a photovoltaic power station (7) and a scheduling instruction of a wind power station (8) to the energy storage scheduling optimization system (2), the energy storage scheduling optimization system (2) optimizes the charging and discharging requirements of the battery energy storage system (4) according to the scheduling instruction of the photovoltaic power station (7) and the scheduling instruction of the wind power station (8), and meanwhile, the energy storage scheduling optimization system (2) responds to the scheduling instruction of the energy storage scheduling optimization system (2) according to the current working state of the battery energy storage system (4);
meanwhile, the power grid (1) sends a scheduling instruction of the photovoltaic power station (7) to the photovoltaic power station (7), sends a scheduling instruction of the wind power station (8) to the wind power station (8), the photovoltaic power station (7) operates according to the scheduling instruction of the photovoltaic power station (7), and the wind power station (8) operates according to the scheduling instruction of the wind power station (8);
the charging and discharging capacity of the power grid (1) to the battery energy storage system (4) is detected by a first block chain node (61) through a first intelligent electric meter (111), the charging capacity of a second block chain node (63) to the battery energy storage system (4) through a second intelligent electric meter (113), and the charging capacity of a wind power station (8) to the battery energy storage system (4) is detected by a third block chain node (62) through a third intelligent electric meter (112);
the electric energy transaction is carried out by the first block chain node (61), the second block chain node (63) and the third block chain node (62) according to a preset electric energy transaction rule, the charge and discharge amount detected by the first intelligent electric meter (111), the charge amount detected by the second intelligent electric meter (113) and the charge amount detected by the third intelligent electric meter (112);
the first block chain node (61) records a scheduling instruction of a photovoltaic power station (7) and a scheduling instruction of a wind power station (8) sent by a power grid (1), and records the charge and discharge amount detected by a first intelligent electric meter (111) at the same time; the third block chain node (62) records the charging amount detected by the third intelligent electric meter (112), and the second block chain node (63) records the charging amount detected by the second intelligent electric meter (113).
4. The shared energy storage method based on the block chain technology as claimed in claim 3, wherein in operation, the energy storage scheduling optimization system (2) controls the battery energy storage system (4) to charge and discharge the power grid (1) through the energy storage monitoring control system (3) according to the peak-and-frequency-modulation scheduling requirements of the power grid (1) on the photovoltaic power station (7) and the wind power station (8).
5. The shared energy storage method based on the block chain technology as claimed in claim 3, wherein when the battery energy storage system (4) discharges, the direct current output by the battery energy storage system (4) is converted into alternating current by the DC/AC bidirectional converter (5) and then sent into the power grid (1).
6. A shared energy storage method based on block chain technology as claimed in claim 3, wherein the charging mode of the battery energy storage system (4) is divided into two types, wherein the first mode is: alternating current output by a power grid (1) is converted into direct current by a DC/AC bidirectional converter (5) and then is stored in a battery energy storage system (4), and the other operation mode is as follows: electric energy generated by the photovoltaic power station (7) is stored in the battery energy storage system (4) after electric energy parameters are adjusted by the DC/DC converter (9), and electric energy output by the wind power station (8) is stored in the battery energy storage system (4) by the AC/DC converter (10).
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600744A (en) * | 2015-01-04 | 2015-05-06 | 张洪亮 | Novel wind and light storage mixed off-grid/grid-connected power generation device |
| CN106230007A (en) * | 2016-07-25 | 2016-12-14 | 中能建江苏能源科技有限公司 | A kind of micro-capacitance sensor energy storage Optimization Scheduling |
| CN107817381A (en) * | 2017-11-10 | 2018-03-20 | 赫普科技发展（北京）有限公司 | A kind of intelligent electric meter |
| CN109615427A (en) * | 2018-12-07 | 2019-04-12 | 广州市哲明惠科技有限责任公司 | A kind of energy interactive system and method based on chain structure |
| CN109697219A (en) * | 2018-12-30 | 2019-04-30 | 于涛 | A kind of electrical distribution formula system and its block chained record method based on block chain |
| WO2019084262A1 (en) * | 2017-10-25 | 2019-05-02 | Omega Grid, Llc | Blockchain distribution energy management with optimized balancing |
| CN110009227A (en) * | 2019-04-04 | 2019-07-12 | 国网青海省电力公司 | A kind of shared energy storage pool transaction system and operation method based on block chain technology |
| CN111612190A (en) * | 2020-04-28 | 2020-09-01 | 国网河北省电力有限公司电力科学研究院 | Intelligent energy settlement system and method based on block chain technology |
-
2020
- 2020-12-02 CN CN202011390687.6A patent/CN112436555A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600744A (en) * | 2015-01-04 | 2015-05-06 | 张洪亮 | Novel wind and light storage mixed off-grid/grid-connected power generation device |
| CN106230007A (en) * | 2016-07-25 | 2016-12-14 | 中能建江苏能源科技有限公司 | A kind of micro-capacitance sensor energy storage Optimization Scheduling |
| WO2019084262A1 (en) * | 2017-10-25 | 2019-05-02 | Omega Grid, Llc | Blockchain distribution energy management with optimized balancing |
| CN107817381A (en) * | 2017-11-10 | 2018-03-20 | 赫普科技发展（北京）有限公司 | A kind of intelligent electric meter |
| CN109615427A (en) * | 2018-12-07 | 2019-04-12 | 广州市哲明惠科技有限责任公司 | A kind of energy interactive system and method based on chain structure |
| CN109697219A (en) * | 2018-12-30 | 2019-04-30 | 于涛 | A kind of electrical distribution formula system and its block chained record method based on block chain |
| CN110009227A (en) * | 2019-04-04 | 2019-07-12 | 国网青海省电力公司 | A kind of shared energy storage pool transaction system and operation method based on block chain technology |
| CN111612190A (en) * | 2020-04-28 | 2020-09-01 | 国网河北省电力有限公司电力科学研究院 | Intelligent energy settlement system and method based on block chain technology |
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