CN210380372U - Energy storage power supply system based on self energy storage electric power black start - Google Patents
Energy storage power supply system based on self energy storage electric power black start Download PDFInfo
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- CN210380372U CN210380372U CN201921447323.XU CN201921447323U CN210380372U CN 210380372 U CN210380372 U CN 210380372U CN 201921447323 U CN201921447323 U CN 201921447323U CN 210380372 U CN210380372 U CN 210380372U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model belongs to the technical field of the battery energy storage, concretely relates to energy storage power supply system based on black start-up of self energy storage electric power. The utility model discloses an electric energy of the battery pack string of energy storage system itself provides interim black start electric power for energy storage power supply system, make among the prior art energy storage inverter, BMS, the start-up and the operation of energy storage systems's such as energy storage system's management and control system key equipment do not need the outside power supply to implement and provide black start electric power, the technological problem of the black start-up of energy storage system of having solved of many fast good and economizes, make energy storage system product structure obtain the optimization, the effectual investment that reduces energy storage system, energy storage system's fortune dimension work has been alleviateed greatly, the efficiency of black start-up and energy storage system's electricity generation power supply security has been improved.
Description
Technical Field
The utility model belongs to the technical field of the battery energy storage, concretely relates to energy storage power supply system based on black start-up of self energy storage electric power.
Background
In the application field of the storage battery energy storage system, an energy storage inverter, a BMS, a management and control system of the energy storage system, a storage battery pack string and the like are key equipment of the energy storage system at present, and the storage battery energy storage system is characterized in that external power supply is needed for starting and running of the equipment; thus, the investment and operation and maintenance cost is increased, the operation maintenance and service life of the UPS battery system is only 3-5 years at present, and the operation service life of the power energy storage system is required to be more than 8-10 years; this requires an increase in the cost of battery replacement in addition to the maintenance cost, and also increases the risk of safety; the advanced energy storage system black start technology which reduces investment, optimizes system construction and relieves operation and maintenance burden is one of key technologies which are urgently needed to be solved for better application development of the energy storage system.
Disclosure of Invention
In order to solve prior art's defect, for this reason the utility model discloses, the battery string that adopts energy storage system itself provides interim black start electric power, the technological problem of the black start-up of energy storage system of having solved of many fast good provinces. Specifically, it discloses an energy storage power supply system based on black start of self energy storage electric power, mainly includes: energy storage inverter, energy storage system battery group cluster, the interchange direct current power supply module, energy storage battery group cluster DC bus, black starting equipment power supply switch, equipment operation electric power supply DC bus automatically controlled switch, the interchange direct current equipment power supply DC bus, DC/DC module, energy storage inverter exchanges output bus, the energy storage system controller, the energy storage system bus, battery management and control system BMS, the BMS pencil, equipment power supply DC bus, the electric wire netting ac bus, its characterized in that:
the energy storage system battery string connected through the battery management and control system BMS and the BMS wire harness is connected with the black-start equipment power supply switch through an energy storage battery string direct current bus and a black-start equipment power supply direct current bus, the black-start equipment power supply switch is connected with the DC/DC module, and after voltage conversion of the DC/DC module, the black-start and running power is provided through the equipment power supply direct current bus respectively connected with the energy storage inverter, the energy storage system controller and the battery management and control system BMS, so that a self energy storage power black-start power supply direct current power path is formed;
the alternating current output by the energy storage inverter is connected with an alternating current to direct current power supply module through an alternating current output bus of the energy storage inverter, the alternating current is converted into direct current power required by equipment work by the alternating current to direct current power supply module, the alternating current to direct current power supply module supplies power to a direct current bus connection equipment through an alternating current to direct current equipment, and an equipment operation power supply direct current bus electric control switch is connected with the energy storage inverter, an energy storage system controller and a storage battery management and control system BMS through an equipment power supply direct current bus respectively to provide operation power, so that a power path of the direct current working power required by the equipment operation of the alternating current power supply of the energy storage system;
the AC-DC equipment power supply direct current bus is connected with the AC-DC power supply module through an AC output bus of the energy storage inverter, alternating current is converted into direct current power required by equipment work by the AC-DC power supply module, the AC-DC power supply module supplies power to the DC bus connection equipment through the AC-DC equipment power supply direct current bus to run a power supply direct current bus electric control switch, and the equipment running power supply direct current bus electric control switch is respectively connected with the energy storage inverter, the energy storage system controller and the storage battery management and control system BMS through an equipment power supply direct current bus to provide running power to form a power path of direct current working power required by equipment running of power grid AC power supply;
the energy storage system controller is respectively connected with the energy storage inverter, the alternating current-to-direct current power supply module, the equipment operation electric power supply direct current bus electric control switch, the energy storage system controller and the storage battery management and control system BMS through an energy storage system bus to form a management and control link for monitoring the operation of the energy storage system and control the black start and the operation of the energy storage system.
The black-start equipment power supply switch is characterized in that a normally open switch is used as an energy storage system black-start starting switch and is disconnected after the energy storage system normally runs.
The energy storage power supply system based on self energy storage power black start is characterized in that a controlled electric control switch is adopted and is a normally open electric control switch, and when an AC-DC power supply module supplies power normally, the AC-DC power supply module is closed by an energy storage system controller.
The energy storage power supply system based on self energy storage power black start is characterized in that after the device operation power supply direct current bus electric control switch is controlled to be closed, the black start device power supply switch is disconnected.
The utility model provides an energy storage power supply system based on self energy storage electric power black start, the electric energy of the battery pack cluster that adopts energy storage system itself provides interim black start electric power for energy storage power supply system, make among the prior art energy storage inverter, BMS, the start-up and the operation of energy storage system's such as energy storage system's management and control system need not the outside power supply implement and provide black start electric power, the technological problem of energy storage system black start of having solved of many fast good provinces, make energy storage system product structure obtain the optimization, the effectual investment that reduces energy storage system, the operation and maintenance work of energy storage system has alleviateed greatly, the efficiency of black start and energy storage system's electricity generation power supply security have been improved.
Drawings
Fig. 1 is a schematic block diagram of an energy storage power supply system based on self energy storage power black start.
Detailed Description
An energy storage power supply system based on self energy storage power black start is described as an implementation example, but the described embodiment is a part of the embodiment of the invention, and not a whole embodiment. 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 technology and the scheme of the utility model are not limited to the content given in this embodiment.
As shown in fig. 1, an energy storage power supply system based on self energy storage power black start mainly includes: energy storage inverter (1), energy storage system battery pack cluster (2), exchange and change direct current power module (3), energy storage battery pack cluster direct current generating line (4), black starting equipment power supply direct current generating line (5), black starting equipment power supply switch (6), equipment operation electric power supply direct current generating line automatically controlled switch (7), it exchanges and changes direct equipment power supply direct current generating line (8), DC/DC module (9), energy storage inverter exchanges output bus (10), energy storage system controller (11), energy storage system bus (12), battery management and control system BMS (13), BMS pencil (14), equipment power supply direct current generating line (15), electric wire netting alternating current generating line (16), its characterized in that:
the energy storage system battery pack string (2) connected through the battery management and control system BMS (13) and the BMS wire harness (14) is connected with the black-start equipment power supply switch (6) through the energy storage battery pack string direct current bus (4) and the black-start equipment power supply direct current bus (5), the black-start equipment power supply switch (6) is connected with the DC/DC module (9), and after voltage conversion of the DC/DC module (9), the black-start and operation power is respectively connected with the energy storage inverter (1), the energy storage system controller (11) and the battery management and control system BMS (13) through the equipment power supply direct current bus (15), so that a power supply direct current power path of the black-start of the self energy storage power is formed;
the alternating current output by the energy storage inverter (1) is connected with an alternating current-to-direct current power supply module (3) through an energy storage inverter alternating current output bus (10), the alternating current is converted into direct current power required by equipment work by the alternating current-to-direct current power supply module (3), the alternating current-to-direct current power supply module (3) is connected with an equipment operation power supply direct current bus electric control switch (7) through an alternating current-to-direct current equipment power supply direct current bus (8), and the equipment operation power supply direct current bus electric control switch (7) is respectively connected with the energy storage inverter (1), an energy storage system controller (11) and a storage battery management and control system BMS (13) through an equipment power supply direct current bus (15) to provide operation power so as to form a power path of the direct current work power required;
the direct current bus (8) for supplying power to the alternating current and direct current equipment is connected with the direct current power module (3) for converting alternating current into direct current power required by the operation of the equipment through the alternating current output bus (10) of the energy storage inverter, the direct current power module (3) for converting alternating current into direct current power required by the operation of the equipment is connected with the direct current bus electric control switch (7) for supplying power to the equipment through the direct current bus (8) for supplying power to the alternating current equipment, and the direct current bus electric control switch (7) for supplying power to the equipment is respectively connected with the energy storage inverter (1), the energy storage system controller (11) and the storage battery management and control system BMS (13) through the direct current bus (15) for supplying power to the equipment for supplying power to the power grid;
the energy storage system controller (11) is respectively connected with the energy storage inverter (1), the AC-to-DC power module (3), the equipment operation power supply DC bus electric control switch (7), the energy storage system controller (11) and the storage battery management and control system BMS (13) through an energy storage system bus (12), so that a management and control link for monitoring the operation of the energy storage system is formed, and the black start of the energy storage system and the operation of the energy storage system are controlled.
The black-start equipment power supply switch (6) is characterized in that a normally open switch is adopted as an energy storage system black-start starting switch and is disconnected after the energy storage system normally runs.
The energy storage power supply system based on self energy storage power black start is characterized in that a controlled electric control switch is adopted and is a normally open electric control switch, and when an AC-DC power supply module (3) supplies power normally, the energy storage system is closed by an energy storage system controller (11).
The energy storage power supply system based on the self energy storage power black start is characterized in that after the equipment operation power supply direct current bus electric control switch (7) is controlled to be closed, the black start equipment power supply switch (6) is disconnected.
The utility model provides an energy storage power supply system based on self energy storage electric power black start, the electric energy of the battery pack cluster that adopts energy storage system itself provides interim black start electric power for energy storage power supply system, make among the prior art energy storage inverter, BMS, the start-up and the operation of energy storage system's such as energy storage system's management and control system need not the outside power supply implement and provide black start electric power, the technological problem of energy storage system black start of having solved of many fast good provinces, make energy storage system product structure obtain the optimization, the effectual investment that reduces energy storage system, the operation and maintenance work of energy storage system has alleviateed greatly, the efficiency of black start and energy storage system's electricity generation power supply security have been improved.
Claims (4)
1. An energy storage power supply system based on self energy storage electric power black start mainly comprises: energy storage inverter (1), energy storage system battery pack cluster (2), exchange and change direct current power module (3), energy storage battery pack cluster direct current generating line (4), black starting equipment power supply direct current generating line (5), black starting equipment power supply switch (6), equipment operation electric power supply direct current generating line automatically controlled switch (7), it exchanges and changes direct equipment power supply direct current generating line (8), DC/DC module (9), energy storage inverter exchanges output bus (10), energy storage system controller (11), energy storage system bus (12), battery management and control system BMS (13), BMS pencil (14), equipment power supply direct current generating line (15), electric wire netting alternating current generating line (16), its characterized in that:
the energy storage system battery pack string (2) connected through the battery management and control system BMS (13) and the BMS wire harness (14) is connected with the black-start equipment power supply switch (6) through the energy storage battery pack string direct current bus (4) and the black-start equipment power supply direct current bus (5), the black-start equipment power supply switch (6) is connected with the DC/DC module (9), and after voltage conversion of the DC/DC module (9), the black-start and operation power is respectively connected with the energy storage inverter (1), the energy storage system controller (11) and the battery management and control system BMS (13) through the equipment power supply direct current bus (15), so that a power supply direct current power path of the black-start of the self energy storage power is formed;
the alternating current output by the energy storage inverter (1) is connected with an alternating current-to-direct current power supply module (3) through an energy storage inverter alternating current output bus (10), the alternating current is converted into direct current power required by equipment work by the alternating current-to-direct current power supply module (3), the alternating current-to-direct current power supply module (3) is connected with an equipment operation power supply direct current bus electric control switch (7) through an alternating current-to-direct current equipment power supply direct current bus (8), and the equipment operation power supply direct current bus electric control switch (7) is respectively connected with the energy storage inverter (1), an energy storage system controller (11) and a storage battery management and control system BMS (13) through an equipment power supply direct current bus (15) to provide operation power so as to form a power path of the direct current work power required;
the direct current bus (8) for supplying power to the alternating current and direct current equipment is connected with the direct current power module (3) for converting alternating current into direct current power required by the operation of the equipment through the alternating current output bus (10) of the energy storage inverter, the direct current power module (3) for converting alternating current into direct current power required by the operation of the equipment is connected with the direct current bus electric control switch (7) for supplying power to the equipment through the direct current bus (8) for supplying power to the alternating current equipment, and the direct current bus electric control switch (7) for supplying power to the equipment is respectively connected with the energy storage inverter (1), the energy storage system controller (11) and the storage battery management and control system BMS (13) through the direct current bus (15) for supplying power to the equipment for supplying power to the power grid;
the energy storage system controller (11) is respectively connected with the energy storage inverter (1), the AC-to-DC power module (3), the equipment operation power supply DC bus electric control switch (7), the energy storage system controller (11) and the storage battery management and control system BMS (13) through an energy storage system bus (12), so that a management and control link for monitoring the operation of the energy storage system is formed, and the black start of the energy storage system and the operation of the energy storage system are controlled.
2. The energy storage and power supply system based on self energy storage power black start according to claim 1, wherein the black start equipment power supply switch (6) is characterized in that a normally open switch is adopted as the energy storage system black start starting switch and is disconnected after the energy storage system normally operates.
3. An energy storage power supply system based on self energy storage power black start according to claim 1, wherein the equipment operation power supply direct current bus electric control switch (7) is characterized in that a controlled electric control switch is adopted and is a normally open electric control switch, and the energy storage system controller (11) closes the normally open electric control switch when the alternating current direct current power supply module (3) supplies power normally.
4. The energy storage power supply system based on the self energy storage power black start according to claim 1, wherein the black start equipment power supply switch (6) and the equipment operation power supply direct current bus electric control switch (7) are characterized in that after the equipment operation power supply direct current bus electric control switch (7) is controlled to be closed, the black start equipment power supply switch (6) is opened.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112186878A (en) * | 2020-08-27 | 2021-01-05 | 量道(深圳)储能科技有限公司 | Black start circuit structure of low-voltage energy storage system and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112186878A (en) * | 2020-08-27 | 2021-01-05 | 量道(深圳)储能科技有限公司 | Black start circuit structure of low-voltage energy storage system and control method |
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