CN212162922U - Distribution station distributed energy storage system based on power internet of things - Google Patents
Distribution station distributed energy storage system based on power internet of things Download PDFInfo
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- CN212162922U CN212162922U CN202020497730.8U CN202020497730U CN212162922U CN 212162922 U CN212162922 U CN 212162922U CN 202020497730 U CN202020497730 U CN 202020497730U CN 212162922 U CN212162922 U CN 212162922U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
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Abstract
The utility model discloses a distribution block district distributed energy storage system based on electric power thing networking, including fusing terminal, branch accuse terminal, distributed energy storage equipment, distribution transformer, HPLC communication module, electric wire and communication cable, wherein: fuse the fixed setting in distribution transformer side of terminal, just fuse the inside HPLC communication module that is provided with of terminal, fuse the thing networking intelligence fusion terminal of terminal for possessing the high-speed carrier communication unit of HPLC, divide accuse terminal to set up on distributed energy storage equipment, just divide the inside HPLC communication module that is provided with of accuse terminal, divide the thing networking intelligence branch accuse terminal for possessing the high-speed carrier communication unit of HPLC, the utility model discloses fully combined the advantage of HPLC carrier communication technique, reduced the degree of difficulty of engineering implementation, can realize nimble, easily expanded, plug-and-play's distributed energy storage system network, communication and coordinated control system.
Description
Technical Field
The utility model belongs to the technical field of the electric power energy storage, concretely relates to distribution platform district distributing type energy storage system based on electric power thing networking.
Background
The electric power distribution platform area is influenced by load fluctuation and distributed new energy access, and the installation of the distributed energy storage system is an effective means for stabilizing load peak power and delaying the capacity increase of the power distribution system.
The operation control of the distributed energy storage system of the power distribution station area needs to consider not only the load balance control of the total distribution transformer but also the single-point load balance control of the access point of the distributed energy storage system.
The adoption of the traditional centralized control technical means faces a plurality of difficulties; in consideration of the fact that the distribution positions of the distributed energy storage system are dispersed, and communication between devices and between the devices and the main station is difficult to realize by independently laying communication cables or through a wireless network in engineering.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a distribution platform district distributed energy storage system based on electric power thing networking to solve foretell technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: distribution platform district distributed energy storage system based on electric power thing networking, including fusing terminal, branch accuse terminal, distributed energy storage equipment, distribution transformer, HPLC communication module, electric wire and communication cable, wherein:
the integration terminal is fixedly arranged on the side edge of the distribution transformer, an HPLC communication module is arranged in the integration terminal, and the integration terminal is an intelligent integration terminal of the Internet of things with an HPLC high-speed carrier communication unit.
The distributed control terminal is arranged on the distributed energy storage equipment, an HPLC communication module is arranged in the distributed control terminal, and the distributed control terminal is an intelligent distributed control terminal of the internet of things with an HPLC high-speed carrier communication unit.
The sub-control terminal can communicate with the distributed energy storage equipment through a communication cable;
the distribution transformer is connected with the distributed energy storage devices through power lines;
the HPLC communication module and the power line can form an HPLC carrier communication network through a power line carrier communication technology, the fusion terminal, the plurality of sub-control terminals and the distributed energy storage equipment can perform information interaction through the HPLC carrier communication network, and the HPLC carrier communication network is formed through the power line carrier communication technology, so that information interaction among the energy storage system equipment and between the energy storage system and the intelligent fusion terminal is realized.
The fusion terminal can be in communication with the dispatching terminal through wires and/or wirelessly, and the fusion terminal can detect and calculate the operation information of the low-voltage side of the distribution transformer through the detection loop.
Preferably, the convergence terminal can communicate with a plurality of the sub-control terminals through an HPLC carrier communication network, and the sub-control terminals can communicate with other sub-control terminals and the convergence terminal through the HPLC carrier communication network.
Preferably, the HPLC communication module may modulate and demodulate a signal.
Preferably, the sub-control terminals and the distributed energy storage devices are arranged correspondingly to each other.
Preferably, a communication interface is arranged on the sub-control terminal, and the sub-control terminal can be connected with the distributed energy storage device through the communication interface.
Preferably, the sub-control terminal can be mounted in an external mounting mode, an embedded mounting mode or an onboard mounting mode.
The utility model discloses a technological effect and advantage: this distribution station district distributed energy storage system based on electric power thing networking:
1. wiring and networking are not needed, a power line carrier communication is adopted based on an HPLC carrier communication network of the fusion terminal and the branch control terminal, the purpose that the system can be applied to a scene with electricity is achieved, a communication cable does not need to be laid independently or wireless communication equipment does not need to be adopted, and the implementation difficulty in engineering is reduced;
2. the device can be accessed to the network based on the wired communication and flexible installation mode of the sub-control terminal and the distributed energy storage device, the intelligent access of the device is realized, the expansion and subsequent upgrade are facilitated, the device can be used in a plug-and-play mode, and the device has high flexibility and expandability;
3. the multi-objective joint optimization operation control method comprises the steps of setting multi-objective optimization which meets the control requirements of a power distribution side and the control requirements of single access points of distributed energy storage equipment on the basis of comprehensive fusion terminal information, distributed energy storage equipment self information and power operation information of other distributed energy storage equipment, and outputting an instruction to control the optimal operation of the single equipment and realize the optimal system through optimization calculation by each distributed energy storage equipment, so that the distributed operation control of all distributed energy storage equipment in a station area is realized.
Drawings
Fig. 1 is the system block diagram of the distributed energy storage system of the distribution substation.
In the figure: the method comprises the steps of 1-fusing a terminal, 2-sub-control terminals, 3-distributed energy storage equipment, 4-distribution transformers, 5-HPLC communication modules, 6-power lines, 7-communication cables, 8-HPLC carrier communication networks, 9-dispatching terminals and 10-detecting loops.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a distribution platform district distributed energy storage system based on electric power thing networking as shown in fig. 1, including fusing terminal 1, branch accuse terminal 2, distributed energy storage equipment 3, distribution transformer 4, HPLC communication module 5, power line 6 and communication cable 7, wherein:
the fusion terminal 1, the sub-control terminal 2 and the distributed energy storage devices 3 can be deployed and installed in a mode shown in fig. 1, when new distributed energy storage devices 3 are accessed, the distributed energy storage devices 3 can automatically adjust self output according to the number of the newly accessed distributed energy storage devices 3 and related information based on the characteristics of the HPLC carrier communication network 8, and the compatibility, expandability and flexibility of the system are improved.
The fusion terminal 1 is fixedly arranged on the side edge of the distribution transformer 4, and an HPLC communication module 5 is arranged in the fusion terminal 1;
An HPLC communication module 5 is arranged in the sub-control terminal 2;
the sub-control terminal 2 can communicate with the distributed energy storage equipment 3 through a communication cable 7;
the distribution transformer 4 is connected with the distributed energy storage devices 3 through a power line 6;
the HPLC communication module 5 and the power line 6 can form an HPLC carrier communication network 8 through a power line carrier communication technology, and the fusion terminal 1, the plurality of sub-control terminals 2 and the distributed energy storage device 3 can perform information interaction through the HPLC carrier communication network 8;
the convergence terminal 1 can communicate with the scheduling terminal 9 through a wire and/or a wireless, can realize consistent interaction of data, and based on forming the HPLC carrier communication network 8, the convergence terminal 1 can detect a power regulation requirement required by the distribution transformation of the distribution transformer or receive a power control instruction of the scheduling terminal 9, and send the instruction information to the sub-control terminals 2 connected with the distributed energy storage devices 3 through the HPLC carrier communication network 8.
The fusion terminal 1 can detect and calculate the operation information of the low-voltage side of the distribution transformer 4 through the detection loop 10, the fusion terminal 1 can detect the operation information of the voltage, the current, the power and the like of the low-voltage side of the distribution transformer 4 through the detection loop 10, and can obtain the power requirement to be adjusted according to the maximum power limit value of the distribution transformer 4.
Specifically, merge terminal 1 accessible HPLC carrier communication network 8 and a plurality of divide accuse terminal 2 to communicate, go divide accuse terminal 2 accessible HPLC carrier communication network 8 and other divide accuse terminal 2 and merge terminal 1 to communicate, information transfer between the distributed energy storage equipment 3 of a plurality of nodes all passes through HPLC carrier communication network 8, is in to its communication protocol the utility model discloses in do not give special restriction, can adopt the communication protocol that national grid company's enterprise standard defined, also can adopt self-defined communication protocol.
Specifically, the HPLC communication module 5 may modulate and demodulate a signal.
Specifically, divide accuse terminal 2 with distributed energy storage equipment 3 corresponds the setting each other the utility model discloses in, through the branch accuse terminal 2 who corresponds the setting rather than between a plurality of distributed energy storage equipment 3, through 8 mutual information of HPLC carrier communication network, send current operating condition and current operation data.
Specifically, a communication interface is arranged on the sub-control terminal 2, and the sub-control terminal 2 CAN be connected with the distributed energy storage device 3 through the communication interface, and CAN notify, but not limited to, communication modes such as RS232, RS485, CAN, LAN, and the like.
Specifically, the sub-control terminal 2 can be mounted in an external hanging manner, and the communication between the sub-control terminal 2 and the distributed energy storage device 3 can be connected through a communication cable 7; the embedded installation can adopt a plug-in interface and embedded connection; or the onboard installation directly welds the sub-control terminal 2 on the relevant board card of the controller inside the distributed energy storage equipment 3.
The working principle is as follows: according to the power distribution area distributed energy storage system based on the power Internet of things, a dispatching terminal 9 can calculate the power regulation requirement of a power distribution area according to the requirement, communicates with the dispatching terminal 9 through wires and/or wireless and issues a power control command to a fusion terminal 1 of the power distribution area, the fusion terminal 1 can collect the operation data information of the low-voltage side of a local distribution transformer 4, generates the power regulation requirement after integrating according to the power control command issued by the dispatching terminal 9 and transmits the power regulation requirement through an HPLC carrier communication network 8, a sub-control terminal 2 connected with distributed energy storage equipment 3 can receive the power regulation requirement of the fusion terminal 1 and output the command through the HPLC carrier communication network 8, combines the operation data information of other distributed energy storage equipment 3, and outputs the command according to an optimization algorithm (multi-objective optimization algorithm can be applied), the utility model discloses in not giving special limitation, can adopt methods such as ant colony algorithm, genetic algorithm, particle swarm algorithm, clustering algorithm to realize), synthesize and generate power output instruction, control distributed energy storage equipment 3's power output.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. Distribution platform district distributed energy storage system based on electric power thing networking, including fusing terminal (1), branch accuse terminal (2), distributed energy storage equipment (3), distribution transformer (4), HPLC communication module (5), power line (6) and communication cable (7), its characterized in that:
the fusion terminal (1) is fixedly arranged on the side edge of the distribution transformer (4), and an HPLC communication module (5) is arranged in the fusion terminal (1);
the sub-control terminal (2) is arranged on the distributed energy storage equipment (3), and an HPLC communication module (5) is arranged in the sub-control terminal (2);
the sub-control terminal (2) can communicate with the distributed energy storage equipment (3) through a communication cable (7);
the distribution transformer (4) is connected with the distributed energy storage devices (3) through power lines (6);
the HPLC communication module (5) and the power line (6) can form an HPLC carrier communication network (8) through a power line carrier communication technology, and the fusion terminal (1), the plurality of sub-control terminals (2) and the distributed energy storage equipment (3) can perform information interaction through the HPLC carrier communication network (8);
the convergence terminal (1) can be in communication with the dispatching terminal (9) in a wired and/or wireless mode, and the convergence terminal (1) can detect and calculate operation information of the low-voltage side of the distribution transformer (4) through the detection loop (10).
2. The power distribution area distributed energy storage system based on the power internet of things as claimed in claim 1, wherein: the converged terminal (1) can communicate with the branch control terminals (2) through an HPLC carrier communication network (8), and the branch control terminals (2) can communicate with other branch control terminals (2) and the converged terminal (1) through the HPLC carrier communication network (8).
3. The power distribution area distributed energy storage system based on the power internet of things as claimed in claim 1, wherein: the HPLC communication module (5) can modulate and demodulate signals.
4. The power distribution area distributed energy storage system based on the power internet of things as claimed in claim 1, wherein: the sub-control terminal (2) and the distributed energy storage equipment (3) are arranged correspondingly to each other.
5. The power distribution area distributed energy storage system based on the power internet of things as claimed in claim 1, wherein: the sub-control terminal (2) is provided with a communication interface, and the sub-control terminal (2) can be connected with the distributed energy storage equipment (3) through the communication interface.
6. The power distribution area distributed energy storage system based on the power internet of things as claimed in claim 1, wherein: the installation mode of the sub-control terminal (2) can adopt external installation, embedded installation or onboard installation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020497730.8U CN212162922U (en) | 2020-04-08 | 2020-04-08 | Distribution station distributed energy storage system based on power internet of things |
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| CN202020497730.8U CN212162922U (en) | 2020-04-08 | 2020-04-08 | Distribution station distributed energy storage system based on power internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953599A (en) * | 2021-03-29 | 2021-06-11 | 广东电网有限责任公司电力科学研究院 | Energy storage access terminal with power broadband carrier function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953599A (en) * | 2021-03-29 | 2021-06-11 | 广东电网有限责任公司电力科学研究院 | Energy storage access terminal with power broadband carrier function |
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