CN220440384U - New energy coordination and absorption system - Google Patents

New energy coordination and absorption system Download PDF

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Publication number
CN220440384U
CN220440384U CN202321501874.6U CN202321501874U CN220440384U CN 220440384 U CN220440384 U CN 220440384U CN 202321501874 U CN202321501874 U CN 202321501874U CN 220440384 U CN220440384 U CN 220440384U
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energy storage
coordination
power
direct current
power generation
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付深平
高正晓
吕少帅
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Shandong Zhongyuan Bochuang Electric Power Technology Co ltd
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Shandong Zhongyuan Bochuang Electric Power Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

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  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides a new forms of energy coordination and absorption system, includes the load electricity end, still includes distribution network alternating current transmission line, direct current circuit, photovoltaic power generation device, wind power generation device, coordination controller, DC power supply conversion module, energy storage battery and energy storage management controller, distribution network alternating current transmission line is connected with the load electricity end, photovoltaic power generation device and wind power generation device are the electricity respectively and are connected with DC power supply conversion module, DC power supply conversion module connects direct current circuit and energy storage battery respectively, coordination controller connects distribution network alternating current transmission line and direct current circuit respectively, energy storage battery is connected with energy storage management controller electricity. The new energy power generation can be effectively stored by utilizing an energy storage technology, and meanwhile, the supply state between the power generation power and the load power is monitored in real time, so that the supplementary power transmission in various modes is provided.

Description

New energy coordination and absorption system
Technical Field
The utility model relates to the technical field of new energy power consumption, in particular to a new energy coordination and consumption system.
Background
Along with the continuous expansion of the installation scale of wind power and photovoltaic power generation in China, the method has positive significance in promoting the power grid to construct a novel power system taking new energy as a main body and developing new energy such as wind, light and the like to ensure the energy safety.
However, the generated energy of the new energy is greatly uncertain due to wind power, illumination intensity and the like, so that the new energy generation has the characteristics of fluctuation and intermittence, and the power generation power and the power consumption load of the power system are required to be balanced in real time. The total power generation amount of the new energy is far more than that of a conventional hydroelectric and thermal power generating unit, but the operation state sensing capability of power generating equipment is weak, the operation management is extremely complex, the existing informatization means cannot fully meet the requirements of new energy power prediction and control, controllable load interaction with the new energy and the like, so that the balance between the power generation power and the power consumption load of the power system is difficult to realize, and the effective consumption of the new energy cannot be realized.
Disclosure of Invention
In order to solve the problems, the utility model provides a new energy coordination and absorption system.
The technical scheme of the utility model is as follows:
the utility model provides a new forms of energy coordination and absorption system, includes the load electricity end, still includes distribution network alternating current transmission line, direct current circuit, photovoltaic power generation device, wind power generation device, coordination controller, DC power supply conversion module, energy storage battery and energy storage management controller, distribution network alternating current transmission line is connected with the load electricity end, photovoltaic power generation device and wind power generation device are the electricity respectively and are connected with DC power supply conversion module, DC power supply conversion module connects direct current circuit and energy storage battery respectively, coordination controller connects distribution network alternating current transmission line and direct current circuit respectively, energy storage battery is connected with energy storage management controller electricity.
Further, the new energy coordination and absorption system further comprises a compressed air energy storage system, and the compressed air energy storage system is respectively connected with the direct-current power supply conversion module and the energy storage management controller.
The direct current circuit is connected with the direct current power supply conversion module through the direct current protector.
Further, the direct current power line is electrically connected with the alternating current power transmission line of the power distribution network through a DC/AC converter.
The coordination controller comprises an ARM core board, an HPLC carrier communication module and a three-remote communication module, wherein the HPLC carrier communication module and the three-remote communication module are respectively connected to the communication end of the ARM core board.
Preferably, the ARM core board adopts a Cortex-A7 architecture 4-core main chip.
Further, the coordination controller is connected with the remote monitoring platform through three-remote wireless communication.
The energy storage management controller comprises an HPLC carrier communication module, a data collector and a processing chip, wherein the processing chip is electrically connected with the HPLC carrier communication module and the data collector respectively.
Optionally, the energy storage management controller is connected with the coordination controller through carrier signal communication.
In a specific embodiment, the alternating current transmission line of the power distribution network is connected with a load power utilization end through a circuit breaking protector.
The beneficial effects are that: the utility model relates to a new energy coordination and absorption system, which effectively stores new energy generated by utilizing an energy storage technology, monitors the supply state between generated power and load power in real time, provides supplementary power transmission in various modes, realizes balance between the generated power and the power load, and realizes effective absorption of new energy electric energy.
Drawings
Fig. 1 is a schematic diagram of a new energy coordination and absorption system.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.
Examples
Referring to fig. 1, a new energy coordination and absorption system specifically includes a power distribution network ac power transmission line, a dc power line, a photovoltaic power generation device, a wind power generation device, a coordination controller, a dc power conversion module, an energy storage battery, an energy storage management controller and a load power utilization end, wherein the power distribution network ac power transmission line is connected with the load power utilization end through a circuit breaking protector, the power distribution network ac power transmission line supplies power for normal power grid transmission of a traditional power system, and the load power utilization end supplies power for community residents, charging piles or enterprises; the photovoltaic power generation device and the wind power generation device are respectively connected to a direct current circuit through a direct current power supply conversion module, the photovoltaic power generation device can absorb solar energy through a photovoltaic panel and provide new energy electric energy through an inverter, the wind power generation device can generate wind power through a wind motor, and the generated new energy electric energy is transmitted to the direct current circuit after DC/DC conversion; the coordination controller is respectively connected with the power distribution network alternating current transmission line and the direct current transmission line, can collect electrical appliance parameters of the power distribution network alternating current transmission line and the direct current transmission line, and controls the direct current transmission line and the power distribution network alternating current transmission line to carry out grid connection or off-grid operation; the photovoltaic power generation device and the wind power generation device are respectively connected with an energy storage battery through a direct current power supply conversion module, the energy storage battery is electrically connected with an energy storage management controller, the energy storage battery is used for storing new energy generated by the photovoltaic power generation device and the wind power generation device, auxiliary power supply is carried out when the power supply side of the alternating current transmission line of the power distribution network is smaller than the power load side, and the energy storage management controller is used for collecting energy storage information of the energy storage battery and carrying out remote data transmission with the coordination controller.
Further, the coordination controller comprises an ARM core board, an HPLC carrier communication module and a three-remote communication module, wherein the ARM core board adopts a Cortex-A7 framework 4-core main chip, the HPLC carrier communication module and the three-remote communication module are respectively connected to the communication end of the ARM core board, and the HPLC carrier communication module can receive and collect power carrier signals of an alternating-current power transmission line and a direct-current power transmission line of the power distribution network, transmit the power carrier signals to the ARM core board through demodulation, and further read electric parameters on two sides.
Meanwhile, the coordination controller is connected with a remote monitoring platform through three-remote wireless communication, and the remote monitoring platform can monitor the operation data of the coordination controller in real time, so that a person can conveniently adjust and update the control strategy of the new energy coordination and absorption system.
Further, the energy storage management controller comprises an HPLC carrier communication module, a data collector and a processing chip, wherein the processing chip is respectively electrically connected with the HPLC carrier communication module and the data collector, and the data collector can collect the stored electric energy of the energy storage battery in real time. The energy storage management controller is connected with the coordination controller through carrier signal communication, the energy storage management controller sends stored electric energy information to the coordination controller through the HPLC carrier communication module, and meanwhile, the energy storage management controller can receive a control instruction of the coordination controller, and the attribute of the energy storage battery is changed to discharge outwards.
Further, the system also comprises a compressed air energy storage system, wherein the compressed air energy storage system is connected with a direct current circuit through a direct current power supply conversion module, and meanwhile, the compressed air energy storage system is connected with an energy storage management controller, so that the electric energy generated in excess can be used for compressed air, and meanwhile, the compressed air is released to generate electricity during the peak period of the power grid load.
Furthermore, the direct-current circuit is connected with the direct-current power supply conversion module through the direct-current protector, so that damage to direct-current side electrical equipment caused by overvoltage and surge current can be prevented, the photovoltaic power generation device and the wind power generation device can transmit generated new energy electric energy to the direct-current circuit through direct current to direct current, and meanwhile, the photovoltaic power generation device and the wind power generation device can be connected with the energy storage battery through the direct-current power supply conversion module, and the new energy electric energy is utilized for charging the energy storage battery; the compressed air energy storage system is connected to the direct current circuit through the direct current power supply conversion module to implement bidirectional transmission, and can receive residual new energy electric energy generated by the photovoltaic power generation device and the wind power generation device through the direct current circuit when the energy storage battery is full of electric energy and compress air to store the electric energy; when the direct current circuit is in grid connection operation, the compressed air energy storage system can release compressed air to generate electric energy and convey the electric energy to the direct current circuit. And a direct current protector is arranged between the direct current circuit and the direct current power supply conversion module and is used for providing short-circuit protection for the direct current circuit and various devices and equipment so as to prevent the circuit and the equipment from being damaged.
As a specific implementation mode, the direct-current power line is electrically connected with the alternating-current power transmission line of the power distribution network through the DC/AC converter, and the direct-current power is converted into alternating-current power to be in grid-connected operation with the alternating-current power transmission line of the power distribution network, so that the consumption of new energy and electric energy is realized. The coordination controller firstly collects and reads the power supply power of the alternating-current transmission line of the power distribution network and the load power of the load power utilization end, when the power supply power of the alternating-current transmission line of the power distribution network is larger than the load power, the alternating-current transmission line of the power distribution network can convert alternating current into direct current through the DC/AC converter and transmit the direct current to the compressed air energy storage system, redundant electric energy is used for storing compressed air, and meanwhile, the energy storage management controller controls the energy storage battery to store new energy electric energy of the photovoltaic power generation device and the wind power generation device respectively; when the power supply power of the power distribution network alternating-current power transmission line is equal to the load power, the coordination controller controls the power distribution network alternating-current power transmission line and the direct-current power line to carry out off-grid operation, the power distribution network alternating-current power transmission line does not charge the compressed air energy storage system any more, and the compressed air energy storage system receives residual new energy generated by the photovoltaic power generation device and the wind power generation device through the direct-current power line; when the power supply power of the alternating current transmission line of the power distribution network is smaller than the load power, the coordination controller controls the direct current line to implement grid-connected operation, meanwhile, the carrier communication is utilized to control the energy storage management controller to change the attribute of the energy storage battery, the electric energy stored by the energy storage battery is discharged, the compressed air energy storage system is controlled to release air for power generation, the stored new energy electric energy is accessed into the alternating current transmission line of the power distribution network through the DC/AC converter by the direct current line, and the electric energy is consumed by the load power utilization end.

Claims (10)

1. The utility model provides a new forms of energy coordination and absorption system, includes the load electricity end, its characterized in that still includes distribution network alternating current transmission line, direct current circuit, photovoltaic power generation device, wind power generation device, coordination controller, DC power supply conversion module, energy storage battery and energy storage management controller, distribution network alternating current transmission line is connected with the load electricity end, photovoltaic power generation device and wind power generation device are the electricity respectively and are connected with DC power supply conversion module, DC power supply conversion module is the connection direct current circuit respectively with the energy storage battery, coordination controller is the connection distribution network alternating current transmission line and direct current circuit respectively, energy storage battery and energy storage management controller electricity are connected.
2. The new energy coordination and absorption system according to claim 1, further comprising a compressed air energy storage system, wherein the compressed air energy storage system is respectively connected with the direct current power supply conversion module and the energy storage management controller.
3. The new energy coordination and absorption system according to claim 1, wherein the direct current circuit is connected with the direct current power supply conversion module through a direct current protector.
4. A new energy co-ordination consumer system as claimed in claim 3, wherein the direct current power line is electrically connected to the AC power transmission line of the distribution network via a DC/AC converter.
5. The new energy coordination and consumption system according to claim 1, wherein the coordination controller comprises an ARM core board, an HPLC carrier communication module and a triple-remote communication module, and the HPLC carrier communication module and the triple-remote communication module are respectively connected to the communication end of the ARM core board.
6. The new energy coordination and absorption system according to claim 5, wherein the ARM core board adopts a Cortex-A7 architecture 4-core main chip.
7. The new energy coordination and absorption system according to claim 5, wherein the coordination controller is connected with the remote monitoring platform through three-remote wireless communication.
8. The new energy coordination and absorption system according to claim 1, wherein the energy storage management controller comprises an HPLC carrier communication module, a data collector and a processing chip, and the processing chip is electrically connected with the HPLC carrier communication module and the data collector respectively.
9. The system of claim 7, wherein the energy storage management controller is connected to the coordination controller in signal communication with a carrier.
10. The new energy coordination and absorption system according to claim 1, wherein the power distribution network alternating current transmission line is connected with a load electricity utilization end through a circuit breaking protector.
CN202321501874.6U 2023-06-13 2023-06-13 New energy coordination and absorption system Active CN220440384U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321501874.6U CN220440384U (en) 2023-06-13 2023-06-13 New energy coordination and absorption system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321501874.6U CN220440384U (en) 2023-06-13 2023-06-13 New energy coordination and absorption system

Publications (1)

Publication Number Publication Date
CN220440384U true CN220440384U (en) 2024-02-02

Family

ID=89696122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321501874.6U Active CN220440384U (en) 2023-06-13 2023-06-13 New energy coordination and absorption system

Country Status (1)

Country Link
CN (1) CN220440384U (en)

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