CN210468814U - Charging and storing integrated device based on multiplexing bidirectional DCDC converter - Google Patents
Charging and storing integrated device based on multiplexing bidirectional DCDC converter Download PDFInfo
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- CN210468814U CN210468814U CN201921524519.4U CN201921524519U CN210468814U CN 210468814 U CN210468814 U CN 210468814U CN 201921524519 U CN201921524519 U CN 201921524519U CN 210468814 U CN210468814 U CN 210468814U
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 title claims abstract description 62
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 46
- 238000004146 energy storage Methods 0.000 claims abstract description 83
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 8
- 230000006641 stabilisation Effects 0.000 claims abstract description 5
- 238000011105 stabilization Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 description 7
- 101150003196 PCS1 gene Proteins 0.000 description 3
- 101100493726 Phalaenopsis sp. BIBSY212 gene Proteins 0.000 description 3
- 101100030895 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPT4 gene Proteins 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A charging and storing integrated device based on a multiplexing bidirectional DCDC converter comprises an energy storage PCS, a bidirectional DCDC converter, an energy storage battery, a BMS system, a charging master control system and a switch device; the energy storage PCS is responsible for voltage stabilization of the direct-current bus and energy interaction between the direct-current bus and the alternating-current power grid; the bidirectional DCDC converter is responsible for charging and discharging of the battery unit and voltage conversion of the charging pile; the energy storage battery is used for storing and releasing energy; the BMS system is responsible for monitoring the battery units and interacting information with the charging master control system and the bidirectional DCDC; the charging master control system is responsible for controlling the switch matrix, the charging of the electric automobile and the energy storage charging and discharging; the switching device comprises a switch matrix and a battery change-over switch. The utility model discloses an energy storage PCS realizes the energy interaction of microgrid system and alternating current power grid, and the energy storage can directly carry out the energy interaction through direct current bus with fill electric pile in the microgrid.
Description
Technical Field
The utility model relates to an energy storage technology, in particular to energy storage system and electric pile field fill.
Background
Energy storage technology, especially electrochemical energy storage technology, has been rapidly developed in recent years by virtue of characteristics such as peak-to-valley regulation and improvement of power system stability. The energy storage system can solve the problem caused by unstable power generation output power of new energy such as photovoltaic energy, wind power energy and the like to a certain extent, and the grid-connection performance of the new energy is enlarged.
With the continuous and rapid increase of new energy automobile reserves, the demand on electric automobile charging piles is increasing on the one hand, and the treatment of retired power batteries has become the focus of government and industry attention on the other hand. Because the requirement of the energy storage system on the electrical property of the battery is relatively low, the retired power battery completely meets the requirement of the energy storage system on the electrical property, and the retired power battery is lower in price, the retired power battery is selected from the energy storage system, so that the value of the power battery is fully exerted, the requirement on the gradient utilization of the battery is responded, the investment cost of the energy storage system can be reduced, and the benefit of the energy storage system is increased.
The current mainstream application schemes in the energy storage system include an energy storage system + charging pile sharing alternating current bus scheme, a direct current bus scheme and the like.
Energy storage system + fills electric pile sharing alternating current bus scheme: for a scheme with more current applications, the energy storage system and the charging pile are connected to an alternating current bus as a parallel branch circuit and are two relatively independent systems. The charging pile draws energy from an alternating current power grid and is used for charging the electric automobile. The energy storage system stores energy at the time of low price of electricity and releases energy at the time of high price of electricity. The energy storage system and the charging pile are two independent branches, are essentially two sets of equipment hung on an alternating current power grid, and have larger energy loss through two-stage conversion of alternating current to direct current and direct current to direct current for the charging pile. In the energy storage system, when energy is stored, the energy is converted from alternating current to direct current and stored in the energy storage battery, and when the energy is discharged, the energy in the battery is reduced and converted into alternating current. The energy is subjected to multi-stage conversion from the energy storage system to the charging pile, so that large energy loss is caused, and the benefit of the energy storage system is reduced. In addition, the expansibility of the scheme is poor, if a photovoltaic power generation system needs to be connected, like an energy storage system, direct current output by a photovoltaic array needs to be merged into an alternating current power grid through a photovoltaic inverter, and large energy loss exists.
The direct current bus scheme: direct current bus is established through energy storage PCS, and energy storage battery hangs on direct current bus through two-way DCDC converter, and other direct current equipment such as photovoltaic inverter, direct current fill electric pile also can directly hang on direct current bus. Although a direct current bus is established, the energy storage battery and the charging pile are both provided with power electronic converters, so that the loss is increased to a certain extent, and the cost is increased.
Disclosure of Invention
An object of the utility model is to provide a fill integrative device of storing up based on multiplexing two-way DCDC converter can utilize energy storage PCS to realize that the two-way flow of energy and direct current bus voltage's stability realize that the storage of filling of high-power scope is integrative.
The utility model aims at realizing the purpose, designing a charging and storing integrated device based on a multiplexing bidirectional DCDC converter, which comprises an AC bus, a DC bus, an energy storage PCS, a bidirectional DCDC converter, an energy storage battery, a BMS system, a charging master control system and a switch device;
the energy storage PCS is responsible for voltage stabilization of the direct-current bus and energy interaction between the direct-current bus and the alternating-current power grid; energy can be extracted from the alternating current bus, and redundant energy in the direct current bus can be fed back to a power grid;
the bidirectional DCDC converter is responsible for charging and discharging the battery unit and voltage conversion of the charging pile so as to charge the electric automobile;
the energy storage battery is used for storing and releasing energy, the energy is extracted from the system to be stored at the electricity price valley, and the electric quantity is released to be used by a charging pile or other loads at the voltage peak;
the BMS is responsible for monitoring the battery units and interacting information with the charging master control system and the bidirectional DCDC converter;
the charging master control system is responsible for controlling the switch matrix, controlling the charging of the electric automobile and controlling the charging and discharging of the stored energy; when the electric automobile has the reverse charging capability, the system can also realize the reverse charging of the electric automobile to the direct current system;
the switch device comprises a switch matrix and a battery change-over switch; the switch matrix dynamically distributes the power of the bidirectional DCDC converter through the switching of the switches, and ensures that any charging gun meets the power requirement of charging of the electric automobile; and the battery change-over switch controls the direct connection of the energy storage battery and the bidirectional DCDC converter according to the charging and discharging requirements of the battery.
And furthermore, the charging master control system comprises a charging pile control system, an energy storage control system, a switch matrix control system and a battery change-over switch control system, monitors the current state of relevant devices, and adjusts and controls the devices according to the power distribution requirement.
Further, the bidirectional DCDC converter is a core part of power conversion, and realizes voltage and power conversion through effective control based on a power semiconductor device; the bidirectional DCDC converter is an isolated bidirectional DCDC converter.
Further, the BMS system comprises a bottom layer battery management unit, a middle layer summarizing unit and an upper layer management system, and is responsible for the management of the batteries;
the energy storage batteries are connected in series and in parallel by each battery pack according to system requirements, so that voltage and power requirements are met;
the energy storage PCS comprises a PCS body and an isolation transformer and is responsible for energy transfer at an alternating current side and a direct current side.
The utility model discloses an energy storage PCS realizes the energy interaction of microgrid system and alternating current power grid, and the energy storage can directly carry out the energy interaction through direct current bus with charging pile in the microgrid, possesses the ability of extension photovoltaic power generation in the microgrid system in addition to go on through multiplexing DCDC and direct current bus.
Drawings
FIG. 1 is a schematic diagram of the application of the preferred embodiment of the present invention;
fig. 2 is a schematic diagram of a preferred embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 and 2, the charging and storing integrated device based on the multiplexing bidirectional DCDC converter includes an ac bus 7, a dc bus 8, an energy storage PCS (energy storage converter) 1, a bidirectional DCDC converter 2, an energy storage battery 3, a BMS (battery management system) 4, a charging master control system 5, and a switching device 6.
The energy storage PCS1 is responsible for voltage stabilization of the direct current bus 8 and energy interaction between the direct current bus 8 and the alternating current bus 7; energy can be extracted from the alternating current bus 7, and redundant energy in the direct current bus 8 can be fed back to the power grid. The energy storage PCS1 comprises a PCS body and an isolation transformer and is responsible for energy transfer on the AC side and the DC side.
The bidirectional DCDC converter 2 is responsible for charging and discharging of the battery unit and voltage conversion of the charging pile so as to charge the electric automobile. The bidirectional DCDC converter 2 is a core part of power conversion, and realizes voltage and power conversion by effective control based on a power semiconductor device. In this embodiment, the bidirectional DCDC converter 2 is an isolated bidirectional DCDC converter.
And the energy storage battery 3 is used for storing and releasing energy, the energy is extracted from the system to be stored at the electricity price valley, and the electric quantity is released to be used by a charging pile or other loads at the voltage peak. The energy storage battery 3 is connected in series and in parallel by each battery pack according to the system requirements, so that the voltage and power requirements are met.
And the BMS system 4 is responsible for monitoring the battery units and interacting information with the charging master control system and the bidirectional DCDC. The BMS system 4 includes a bottom layer battery management unit, an intermediate layer summary unit, and an upper layer management system, and is responsible for management of the battery.
And the charging master control system 5 is responsible for controlling the switch matrix, controlling the charging of the electric automobile, controlling the charging and discharging of the energy storage system and the like. The charging master control system 5 comprises a charging pile control system, an energy storage control system, a switch matrix control system and a battery change-over switch control system, monitors the states of current related devices, and adjusts and controls the current related devices according to power distribution requirements.
The switching device 6 includes a switch matrix 61, a battery changeover switch 62. The switch matrix 61 is a switch combination formed by a plurality of switches, and the power of the DCDC unit is dynamically distributed through switching of the switches, so that any charging gun can meet the power requirement of charging of the electric automobile.
And the battery change-over switch 62 controls the direct connection between the energy storage battery and the bidirectional DCDC converter according to the charging and discharging requirements of the battery.
In the valley of electricity price, the energy storage PCS (energy storage converter) 1 operates in a voltage stabilization mode to maintain the voltage of the direct current bus 8 to be stable, and when the direct current side needs power, the energy storage PCS1 extracts energy from the alternating current bus 7 side; the charging master control system 5 controls the number of units of the bidirectional DCDC converter 2 distributed and used by the switch matrix 61 according to the power requirement of charging of the electric automobile, and is used for charging the electric automobile; the remaining bidirectional DCDC converter 2 switches the switches of the DCDC output ports to the battery cells for charging the energy storage battery 3, and the BMS system (battery management system) 4 monitors the charging information of the battery cells in real time until all the battery cells are charged.
At the level of the electricity price, the bidirectional DCDC converter 2 at this stage draws the electricity from the direct current bus for charging the electric automobile, and the battery unit is in a static state.
When the electricity price is peak, the electric quantity stored in the battery unit is preferentially used for charging the electric automobile, and when the power of the battery unit does not meet the charging power of the electric automobile, the bidirectional DCDC converter 2 is switched to extract the electric quantity from the direct current bus 8; when the cell charge is brought to a specified SOC (state of charge), the cell is cut off and the bidirectional DCDC converter 2 is switched to the dc bus 8.
The direct current bus 8 allows the distributed photovoltaic power generation system to be accessed and multiplexes the bidirectional DCDC converter 2.
The energy storage battery 3 can be used for building a battery gradient for integrated charging and storage by using a retired battery of the electric automobile. Detect the electric automobile power battery of retirement, the power battery that satisfies the energy storage requirement with indexes such as charge-discharge multiplying power, capacity, electric core internal resistance, uniformity is used for the utility model provides an energy storage part. The performance of the power battery of the electric automobile is far higher than that of a common energy storage battery. After the power battery of the electric automobile is retired due to the fact that the performance of the power battery of the electric automobile cannot meet the requirements of the electric automobile, the retired power battery is detected, and the indexes such as charging and discharging multiplying power, internal resistance and consistency of the retired power battery are required to meet the requirements of an energy storage system and can still be used for energy storage projects.
Batteries with consistent specifications can be directly mixed without distinguishing energy storage batteries or qualified automobile power batteries. It is of course also possible to use them completely separately, for example to use the energy storage battery completely, or to use the retired battery completely. The utility model discloses the significant that has to future retirement battery consumption.
And dynamically adjusting and distributing the power distribution of the bidirectional DCDC converter according to the power demand of the charging pile and the power demand of the energy storage system. The specific power distribution scheme may be determined according to actual project requirements, for example, a full reuse scheme may be selected, that is, when the charging pile power requirement is large, the full bidirectional DCDC converter power is allowed to be used as the charging requirement, and when the charging requirement is not large, the full bidirectional DCDC converter power may be used as the energy storage requirement. And a partial multiplexing principle can be selected according to the requirement, namely, a certain part of the power DCDC is fixedly used for charging or energy storage, and a part of the power DCDC is dynamically distributed to the energy storage part or the charging part according to the system requirement. The specific power allocation scheme has no fixed requirement and can be allocated according to the requirements of practical application.
The multiplexing bidirectional DCDC converter can reduce the configuration requirements of charging and energy storage on the total power of the DCDC on one hand, and can realize the output of higher power in a short time on the other hand. Examples are: use 500KW to charge, 500KW energy storage system as an example, can be according to 70% configuration power part behind the adoption multiplexing scheme, the actual configuration 350KW that charges promptly, the power part can realize the charging of 700KW according to demand dynamic adjustment under the complete multiplexing scheme, perhaps the energy storage of 700 KW. In the case of the partial multiplexing scheme, the power can be configured as charging part fixed distribution power DCDC100kW, energy storage part fixed distribution power DCDC100kW, and multiplexing power 500KW, in which case, 600KW of power charging or 600KW of energy storage can be realized at maximum. In addition, if a distributed photovoltaic power generation system is configured in the system, the DCDC part of the power in the distributed power generation system can also be reused.
The utility model discloses utilize energy storage PCS to realize the two-way flow of energy and the stability of direct current bus voltage, can do system capacity greatly, realize that filling of high-power scope stores up integratively.
The utility model discloses establish direct current bus, can make things convenient for other types load or power to insert, for example direct access photovoltaic power generation system in this system.
The utility model discloses a DCDC and battery unit's capacity cooperation is nimble, both can select energy storage battery and the large capacity DCDC of large capacity, also can select the power battery of electric automobile retirement and the DCDC module of miniwatt, the value that make full use of retired battery gradient utilized.
The utility model discloses a switching element has multiplexed two-way DCDC converter for charging system and energy storage system only need a set of two-way DCDC converter of sharing, have reduced the cost input in the aspect of DCDC module. Meanwhile, the number of DCDCDCs is reduced, so that the failure rate of the device can be reduced to a certain extent.
Claims (6)
1. The utility model provides a fill integrative device that stores up based on multiplexing two-way DCDC converter which characterized in that: the system comprises an alternating current bus, a direct current bus, an energy storage PCS, a bidirectional DCDC converter, an energy storage battery, a BMS system, a charging master control system and a switch device;
the energy storage PCS is responsible for voltage stabilization of the direct-current bus and energy interaction between the direct-current bus and the alternating-current power grid; energy can be extracted from the alternating current bus, and redundant energy in the direct current bus can be fed back to a power grid;
the bidirectional DCDC converter is responsible for charging and discharging the battery unit and voltage conversion of the charging pile so as to charge the electric automobile;
the energy storage battery is used for storing and releasing energy, the energy is extracted from the system to be stored at the electricity price valley, and the electric quantity is released to be used by a charging pile or other loads at the voltage peak;
the BMS is responsible for monitoring the battery units and interacting information with the charging master control system and the bidirectional DCDC;
the charging master control system is responsible for controlling the switch matrix, controlling the charging of the electric automobile and controlling the charging and discharging of the stored energy; when the electric automobile has the reverse charging capability, the system can also realize the reverse charging of the electric automobile to the direct current system;
the switch device comprises a switch matrix and a battery change-over switch; the switch matrix dynamically distributes the power of the bidirectional DCDC converter through the switching of the switches, and ensures that any charging gun meets the power requirement of charging of the electric automobile; and the battery change-over switch controls the direct connection of the energy storage battery and the bidirectional DCDC converter according to the charging and discharging requirements of the battery.
2. The integrated charging and storing device based on the multiplexing bidirectional DCDC converter of claim 1, characterized in that: the charging master control system comprises a charging pile control system, an energy storage control system, a switch matrix control system and a battery change-over switch control system, monitors the state of the current relevant devices, and adjusts and controls the current relevant devices according to the power distribution requirement.
3. The integrated charging and storing device based on the multiplexing bidirectional DCDC converter of claim 1, characterized in that: the bidirectional DCDC converter is a core part of power conversion, and realizes voltage and power conversion through effective control based on a power semiconductor device; the bidirectional DCDC converter is an isolated bidirectional DCDC converter.
4. The integrated charging and storing device based on the multiplexing bidirectional DCDC converter of claim 1, characterized in that: the BMS system comprises a bottom layer battery management unit, a middle layer summarizing unit and an upper layer management system and is responsible for management of the batteries.
5. The integrated charging and storing device based on the multiplexing bidirectional DCDC converter of claim 1, characterized in that: the energy storage batteries are connected in series and in parallel by each battery pack according to system requirements, so that voltage and power requirements are met.
6. The integrated charging and storing device based on the multiplexing bidirectional DCDC converter of claim 1, characterized in that: the energy storage PCS comprises a PCS body and an isolation transformer and is responsible for energy transfer at an alternating current side and a direct current side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921524519.4U CN210468814U (en) | 2019-09-15 | 2019-09-15 | Charging and storing integrated device based on multiplexing bidirectional DCDC converter |
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| CN201921524519.4U CN210468814U (en) | 2019-09-15 | 2019-09-15 | Charging and storing integrated device based on multiplexing bidirectional DCDC converter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474356A (en) * | 2019-09-15 | 2019-11-19 | 长园深瑞继保自动化有限公司 | Storage integrated method and system are filled based on multiplexing bidirectional DC/DC converter |
| CN111717052A (en) * | 2020-06-04 | 2020-09-29 | 福建巨电新能源股份有限公司 | Common-bus multifunctional mobile energy storage vehicle and control strategy |
| CN113765180A (en) * | 2021-08-20 | 2021-12-07 | 北京机械设备研究所 | Charging and discharging management system and management method for modular battery energy storage system |
| CN114454773A (en) * | 2020-11-06 | 2022-05-10 | 上海汽车集团股份有限公司 | Charging and discharging cabinet, charging and discharging control method, electronic equipment and storage medium |
-
2019
- 2019-09-15 CN CN201921524519.4U patent/CN210468814U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474356A (en) * | 2019-09-15 | 2019-11-19 | 长园深瑞继保自动化有限公司 | Storage integrated method and system are filled based on multiplexing bidirectional DC/DC converter |
| CN110474356B (en) * | 2019-09-15 | 2024-08-20 | 长园深瑞继保自动化有限公司 | Charging and storing integrated method and system based on multiplexing bidirectional DCDC converter |
| CN111717052A (en) * | 2020-06-04 | 2020-09-29 | 福建巨电新能源股份有限公司 | Common-bus multifunctional mobile energy storage vehicle and control strategy |
| CN114454773A (en) * | 2020-11-06 | 2022-05-10 | 上海汽车集团股份有限公司 | Charging and discharging cabinet, charging and discharging control method, electronic equipment and storage medium |
| CN114454773B (en) * | 2020-11-06 | 2023-11-24 | 上海汽车集团股份有限公司 | Charging and discharging cabinet, charging and discharging control method, electronic equipment and storage medium |
| CN113765180A (en) * | 2021-08-20 | 2021-12-07 | 北京机械设备研究所 | Charging and discharging management system and management method for modular battery energy storage system |
| CN113765180B (en) * | 2021-08-20 | 2024-06-11 | 北京机械设备研究所 | Charging and discharging management system and management method for modularized battery energy storage system |
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Effective date of registration: 20230726 Address after: 518000 No.13, Keji North 1st Road, North District, high tech Industrial Park, Nanshan District, Shenzhen City, Guangdong Province Patentee after: CYG SUNRI Co.,Ltd. Patentee after: Changyuan Shenrui Energy Technology Co.,Ltd. Address before: 518057 6, No. 3 Langshan Road, North Nanshan District high tech Industrial Park, Shenzhen, Guangdong Patentee before: CYG SUNRI Co.,Ltd. |
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Granted publication date: 20200505 Effective date of abandoning: 20240820 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200505 Effective date of abandoning: 20240820 |