CN111711208A - Wind-solar-accessible multi-port-output mobile energy storage device and charging and discharging method - Google Patents

Wind-solar-accessible multi-port-output mobile energy storage device and charging and discharging method Download PDF

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Publication number
CN111711208A
CN111711208A CN202010475311.9A CN202010475311A CN111711208A CN 111711208 A CN111711208 A CN 111711208A CN 202010475311 A CN202010475311 A CN 202010475311A CN 111711208 A CN111711208 A CN 111711208A
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China
Prior art keywords
discharging
charging
energy storage
wind
port
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Chinese (zh)
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张全生
闵凡齐
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Shanghai Institute of Technology
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Shanghai Institute of Technology
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/10The dispersed energy generation being of fossil origin, e.g. diesel generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/22The renewable source being solar energy
    • H02J2300/24The renewable source being solar energy of photovoltaic origin
    • H02J2300/26The renewable source being solar energy of photovoltaic origin involving maximum power point tracking control for photovoltaic sources
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20The dispersed energy generation being of renewable origin
    • H02J2300/28The renewable source being wind energy
    • 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
    • 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
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The invention relates to a mobile energy storage device with wind and light access and multi-port output and a charging and discharging method. Compared with the prior art, the invention fully considers the difference of electric energy generated by multiple energy sources when in-situ energy taking, thereby designing various AC/DC conversion modules; the requirement of a user on the diversity of the electric energy output of the mobile energy storage device is fully considered, so that a multi-port output function is designed; the difference of application scenes is fully considered, the design strategy that the BMS contains two MOS tubes is adopted in the area with lower non-commercial power generation power, and the design strategy that the BMS only contains one MOS tube is adopted in the area with higher non-commercial power generation power, so that the design is flexible and the reliability is high.

Description

Wind-solar-accessible multi-port-output mobile energy storage device and charging and discharging method
Technical Field
The invention belongs to the technical field of mobile energy storage, and relates to a mobile energy storage device with wind and light access and multi-port output and a charging and discharging method.
Background
The market is mostly based on the demand of multi-energy complementation of a power distribution network or a microgrid, such as a garden and the like. Therefore, the access of multiple energy sources is particularly necessary, and local energy acquisition is the basis for realization.
In the current technology, photovoltaic power generation and wind power generation are the most conventional and mature power generation sources in green energy, and the wind-light accessible charging function of the mobile energy storage device is very necessary on the premise of guaranteeing the mains supply.
In addition, on the user side, the energy storage device is not simply used as a single energy supply source, and an energy supply capable of meeting various requirements is more desirable, so that the multi-port output is an indispensable loop in the future development process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a mobile energy storage device with wind-light accessible and multi-port output and a charging and discharging method.
The purpose of the invention can be realized by the following technical scheme:
the device comprises a shell, and a charging unit, an energy storage unit and a discharging unit which are respectively arranged in the shell and are sequentially and electrically connected, wherein the charging unit comprises a photovoltaic power generation module, a commercial power module, a wind power and diesel power generation module, and the discharging unit comprises a direct current discharging module and an alternating current discharging module.
Furthermore, the photovoltaic power generation module comprises a photovoltaic power generation port and an MPPT controller, and the photovoltaic power generation port is electrically connected with the energy storage unit through the MPPT controller. The MPPT controller is a maximum power point tracking solar controller. The MPPT controller converts direct current generated by solar energy into direct current with constant voltage or constant current to charge the energy storage unit.
Furthermore, the utility power module comprises a utility power port and a utility power AC/DC converter, and the utility power port is electrically connected with the energy storage unit through the utility power AC/DC converter. And converting alternating current commercial power into direct current with constant voltage or constant current through a commercial power AC/DC converter to charge the energy storage unit.
Further, the wind power and diesel power generation module comprises a wind power generation port, a diesel power generation port and an AC/DC-DC/DC combined converter, and the wind power generation port and the diesel power generation port are electrically connected with the energy storage unit through the AC/DC-DC/DC combined converter respectively.
Furthermore, the AC/DC-DC/DC combined converter comprises a wind-diesel AC/DC converter and a wind-diesel DC/DC converter. The wind-diesel AC/DC converter and the wind-diesel DC/DC converter are used in a combined mode, alternating current generated by the fan and/or the diesel engine is converted into isobaric direct current, and the isobaric direct current is further reduced in voltage to be direct current with constant voltage or constant current to charge the energy storage unit.
Further, the direct current discharging module comprises a plurality of discharging DC/DC converters and a plurality of direct current discharging ports, and the direct current discharging ports are electrically connected with the energy storage unit through the corresponding discharging DC/DC converters; the alternating current discharging module comprises a discharging DC/AC converter and an alternating current discharging port, and the alternating current discharging port is electrically connected with the energy storage unit through the discharging DC/AC converter. The plurality of discharging DC/DC converters convert the direct current into different voltages. The energy storage unit charges the load by converting electric energy into direct current having a lower or higher voltage or into alternating current having a higher voltage through a discharging DC/DC converter or a discharging DC/AC converter.
Furthermore, the energy storage unit comprises a battery module, a charging circuit arranged between the battery module and the charging unit, a discharging circuit arranged between the battery module and the discharging unit, and a BMS, wherein a charging circuit MOS (metal oxide semiconductor) tube is arranged on the charging circuit, and a discharging circuit MOS tube is arranged on the discharging circuit. The BMS is a battery management system. The MOS tube is a field effect tube. The battery module includes a plurality of batteries. Under the strategy, the BMS of the energy storage unit is provided with MOS tubes in a charging circuit and a discharging circuit.
The charging and discharging method of the mobile energy storage device based on the wind-solar accessible multi-port output comprises the following steps:
when the BMS recognizes that the mobile energy storage device starts to charge (the charging switch is turned on), the charging circuit MOS tube is switched on to enable direct current generated by the charging unit to charge the battery module, and when the BMS recognizes that the battery module is fully charged, the charging circuit MOS tube is switched off (the switch is turned off) to stop charging;
when the BMS recognizes that the discharging unit of the mobile energy storage device is connected with a load, the discharging circuit MOS tube is switched on to charge the battery module for the load, and when the BMS recognizes that the battery module reaches the discharging cut-off voltage, the discharging circuit MOS tube is switched off to stop discharging.
Or, the energy storage unit include the battery module, set up the intercommunication circuit between charging unit and discharge unit, set up charge-discharge circuit and BMS between battery module and intercommunication circuit, charge-discharge circuit on be equipped with charge-discharge MOS pipe. Under the strategy, the BMS of the energy storage unit only has one MOS tube.
The charging and discharging method of the mobile energy storage device based on the wind-solar accessible multi-port output comprises the following steps:
when the charging unit needs to charge the battery module and also needs to charge the load, the charging and discharging MOS tube is switched on to enable the direct current generated by the charging unit to charge the battery module, and the direct current is directly converted into the direct current or the alternating current with different voltage levels through the discharging unit to charge the load;
when the generated power of the charging unit cannot meet the requirement for charging the battery module and the load, the load is charged preferentially;
when the generated power of the charging unit cannot meet the requirement of charging the load, the charging unit and the battery module simultaneously charge the load;
when the charging unit only needs to charge the battery module, the BMS is connected with the charging and discharging MOS tube to enable the direct current generated by the charging unit to charge the battery module, and when the BMS recognizes that the battery module is fully charged, the charging and discharging MOS tube is disconnected to stop charging.
By adopting the MPPT controller, the AC/DC converter and the DC/DC converter, the conversion of alternating current and direct current into energy storage units for charging can be realized, so that the mobile energy storage device has wind and light access capability. By adopting the DC/DC converter and the DC/AC converter, the direct current can be converted into the direct current with different voltage grades or the alternating current to charge the load, so that the mobile energy storage device has multi-port output capability.
Compared with the prior art, the invention has the following characteristics:
1) the invention realizes multi-port charging of wind, light, diesel, commercial power and the like and multi-port discharging of direct current with lower or higher voltage or alternating current converted into higher voltage through the MPPT controller, the AC/DC converter and the DC/DC converter;
2) the invention fully considers the difference of electric energy generated by multiple energy sources when in-situ energy taking, thereby designing various AC/DC conversion modules; the requirement of a user on the diversity of the electric energy output of the mobile energy storage device is also fully considered, so that a multi-port output function is designed;
3) the method fully considers the difference of application scenes and the areas with lower power generation of non-commercial power energy sources, and adopts a design strategy that a BMS contains two MOS tubes; when the non-commercial power energy is in a region with higher power generation power, a design strategy that only one MOS tube is contained in the BMS is adopted, so that the design is flexible and the reliability is high.
Drawings
FIG. 1 is a schematic view of the structure of an apparatus in example 1;
FIG. 2 is a schematic view of the structure of an apparatus in example 2;
the notation in the figure is:
the system comprises a shell 1, a photovoltaic power generation port 2, a photovoltaic power generation port 3, an MPPT controller 4, a commercial power port 5, a commercial power AC/DC converter 6, a wind power generation port 7, a diesel power generation port 8, an AC/DC-DC/DC combined converter 9, a discharge DC/DC converter 10, a DC discharge port 11, a discharge DC/AC converter 12, an AC discharge port 13, a battery module 14, a charge circuit 15, a discharge circuit 16, a BMS 17, a charge circuit MOS tube 18, a discharge circuit 19, a communication circuit 20, a charge and discharge circuit 21, and a charge and discharge MOS tube 21.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1:
the mobile energy storage device with wind-light access and multi-port output as shown in fig. 1 comprises a shell 1, and a charging unit, an energy storage unit and a discharging unit which are respectively arranged in the shell 1 and are sequentially and electrically connected, wherein the charging unit comprises a photovoltaic power generation module, a commercial power module, a wind power and diesel power generation module, and the discharging unit comprises a direct current discharging module and an alternating current discharging module.
The photovoltaic power generation module comprises a photovoltaic power generation port 2 and an MPPT controller 3, and the photovoltaic power generation port 2 is electrically connected with the energy storage unit through the MPPT controller 3. The utility power module comprises a utility power port 4 and a utility power AC/DC converter 5, wherein the utility power port 4 is electrically connected with the energy storage unit through the utility power AC/DC converter 5. The wind power and diesel power generation module comprises a wind power generation port 6, a diesel power generation port 7 and an AC/DC-DC/DC combined converter 8, wherein the wind power generation port 6 and the diesel power generation port 7 are respectively and electrically connected with the energy storage unit through the AC/DC-DC/DC combined converter 8. The AC/DC-DC/DC converter 8 comprises a wind-diesel AC/DC converter and a wind-diesel DC/DC converter.
The direct current discharging module comprises a plurality of discharging DC/DC converters 9 and a plurality of direct current discharging ports 10, and the direct current discharging ports 10 are electrically connected with the energy storage unit through the corresponding discharging DC/DC converters 9; the alternating current discharging module comprises a discharging DC/AC converter 11 and an alternating current discharging port 12, and the alternating current discharging port 12 is electrically connected with the energy storage unit through the discharging DC/AC converter 11.
The energy storage unit comprises a battery module 13, a charging circuit 14 arranged between the battery module 13 and the charging unit, a discharging circuit 15 arranged between the battery module 13 and the discharging unit, and a BMS 16, wherein a charging circuit MOS (metal oxide semiconductor) transistor 17 is arranged on the charging circuit 14, and a discharging circuit MOS transistor 18 is arranged on the discharging circuit 15.
The charge and discharge method based on the mobile energy storage device comprises the following steps:
when the BMS 16 recognizes that the mobile energy storage device starts to charge, the charging circuit MOS tube 17 is switched on to enable the direct current generated by the charging unit to charge the battery module 13, and when the BMS 16 recognizes that the battery module 13 is fully charged, the charging circuit MOS tube 17 is switched off to stop charging;
when the BMS 16 recognizes that the discharging unit of the mobile energy storage device is loaded, the discharging circuit MOS tube 18 is switched on to charge the battery module 13 for the load, and when the BMS 16 recognizes that the battery module 13 reaches the discharging cut-off voltage, the discharging circuit MOS tube 18 is switched off to stop discharging.
Example 2:
the mobile energy storage device with wind-light access and multi-port output as shown in fig. 2 comprises a casing 1, and a charging unit, an energy storage unit and a discharging unit which are respectively arranged in the casing 1 and are electrically connected in sequence, wherein the charging unit comprises a photovoltaic power generation module, a commercial power module, a wind power and diesel power generation module, and the discharging unit comprises a direct current discharging module and an alternating current discharging module.
The photovoltaic power generation module comprises a photovoltaic power generation port 2 and an MPPT controller 3, and the photovoltaic power generation port 2 is electrically connected with the energy storage unit through the MPPT controller 3. The utility power module comprises a utility power port 4 and a utility power AC/DC converter 5, wherein the utility power port 4 is electrically connected with the energy storage unit through the utility power AC/DC converter 5. The wind power and diesel power generation module comprises a wind power generation port 6, a diesel power generation port 7 and an AC/DC-DC/DC combined converter 8, wherein the wind power generation port 6 and the diesel power generation port 7 are respectively and electrically connected with the energy storage unit through the AC/DC-DC/DC combined converter 8. The AC/DC-DC/DC converter 8 comprises a wind-diesel AC/DC converter and a wind-diesel DC/DC converter.
The direct current discharging module comprises a plurality of discharging DC/DC converters 9 and a plurality of direct current discharging ports 10, and the direct current discharging ports 10 are electrically connected with the energy storage unit through the corresponding discharging DC/DC converters 9; the alternating current discharging module comprises a discharging DC/AC converter 11 and an alternating current discharging port 12, and the alternating current discharging port 12 is electrically connected with the energy storage unit through the discharging DC/AC converter 11.
The energy storage unit comprises a battery module 13, a communication circuit 19 arranged between the charging unit and the discharging unit, a charging and discharging circuit 20 arranged between the battery module 13 and the communication circuit 19, and a BMS 16, wherein a charging and discharging MOS tube 21 is arranged on the charging and discharging circuit 20.
The charge and discharge method based on the mobile energy storage device comprises the following steps:
when the charging unit needs to charge the battery module 13 and also needs to charge the load, the charging and discharging MOS tube 21 is connected to charge the battery module 13 with the direct current generated by the charging unit, and the direct current is directly converted into the direct current with different voltage levels or the alternating current to charge the load through the discharging unit;
when the generated power of the charging unit does not satisfy the requirement for charging both the battery module 13 and the load, the load is charged preferentially;
when the generated power of the charging unit does not satisfy the requirement of charging the load, the charging unit and the battery module 13 charge the load at the same time;
when the charging unit only needs to charge the battery module 13, the BMS 16 turns on the charging and discharging MOS transistor 21 to charge the battery module 13 with the direct current generated by the charging unit, and when the BMS 16 recognizes that the battery module 13 is fully charged, the charging and discharging MOS transistor 21 is turned off to stop the charging.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make modifications and alterations without departing from the scope of the present invention.

Claims (10)

1. The movable energy storage device capable of being accessed by wind and light and being output by multiple ports is characterized by comprising a shell (1), and a charging unit, an energy storage unit and a discharging unit which are respectively arranged in the shell (1) and are sequentially and electrically connected, wherein the charging unit comprises a photovoltaic power generation module, a commercial power module, a wind power and diesel power generation module, and the discharging unit comprises a direct current discharging module and an alternating current discharging module.
2. The wind-solar accessible multi-port output mobile energy storage device according to claim 1, wherein the photovoltaic power generation module comprises a photovoltaic power generation port (2) and an MPPT controller (3), and the photovoltaic power generation port (2) is electrically connected with the energy storage unit through the MPPT controller (3).
3. The wind-solar accessible multi-port output mobile energy storage device according to claim 1, wherein the utility module comprises a utility port (4) and a utility AC/DC converter (5), the utility port (4) being electrically connected to the energy storage unit via the utility AC/DC converter (5).
4. The wind-light accessible multi-port output mobile energy storage device according to claim 1, wherein the wind-power and diesel-power generation module comprises a wind-power generation port (6), a diesel-power generation port (7) and an AC/DC-DC/DC combined converter (8), and the wind-power generation port (6) and the diesel-power generation port (7) are electrically connected with the energy storage unit through the AC/DC-DC/DC combined converter (8), respectively.
5. The wind-solar accessible multi-port output mobile energy storage device according to claim 4, wherein the combined AC/DC-DC/DC converter (8) comprises a wind-diesel AC/DC converter and a wind-diesel DC/DC converter.
6. The wind-solar accessible multi-port output mobile energy storage device according to claim 1, wherein the DC discharge module comprises a plurality of discharging DC/DC converters (9) and a plurality of DC discharge ports (10), the DC discharge ports (10) being electrically connected to the energy storage unit through the respective discharging DC/DC converters (9); the alternating current discharging module comprises a discharging DC/AC converter (11) and an alternating current discharging port (12), and the alternating current discharging port (12) is electrically connected with the energy storage unit through the discharging DC/AC converter (11).
7. The wind-solar accessible multi-port output mobile energy storage device according to claim 1, wherein the energy storage unit comprises a battery module (13), a charging circuit (14) disposed between the battery module (13) and the charging unit, a discharging circuit (15) disposed between the battery module (13) and the discharging unit, and a BMS (16), the charging circuit (14) is provided with a charging circuit MOS transistor (17), and the discharging circuit (15) is provided with a discharging circuit MOS transistor (18).
8. The wind-solar accessible multi-port output mobile energy storage device according to claim 1, wherein the energy storage unit comprises a battery module (13), a communication circuit (19) disposed between the charging unit and the discharging unit, a charging and discharging circuit (20) disposed between the battery module (13) and the communication circuit (19), and a BMS (16), and the charging and discharging circuit (20) is provided with a charging and discharging MOS (metal oxide semiconductor) tube (21).
9. The method for charging and discharging the wind-solar accessible multi-port output mobile energy storage device according to claim 7, is characterized in that the method comprises the following steps:
when the BMS (16) recognizes that the mobile energy storage device starts to charge, the charging circuit MOS tube (17) is switched on to enable the direct current generated by the charging unit to charge the battery module (13), and when the BMS (16) recognizes that the battery module (13) is fully charged, the charging circuit MOS tube (17) is switched off to stop charging;
when the BMS (16) recognizes that the discharging unit of the mobile energy storage device is connected with a load, the discharging circuit MOS tube (18) is switched on to charge the battery module (13) for the load, and when the BMS (16) recognizes that the battery module (13) reaches a discharging cut-off voltage, the discharging circuit MOS tube (18) is switched off to stop discharging.
10. The method for charging and discharging the wind-solar accessible multi-port output mobile energy storage device according to claim 8, is characterized in that the method comprises the following steps:
when the charging unit needs to charge the battery module (13) and also needs to charge the load, the charging and discharging MOS tube (21) is switched on to enable the direct current generated by the charging unit to charge the battery module (13), and the direct current is directly converted into the direct current or the alternating current with different voltage grades through the discharging unit to charge the load;
when the generated power of the charging unit cannot meet the requirements for charging the battery module (13) and the load, the load is charged preferentially;
when the generated power of the charging unit cannot meet the requirement of charging the load, the charging unit and the battery module (13) charge the load at the same time;
when the charging unit only needs to charge the battery module (13), the BMS (16) switches on the charging and discharging MOS tube (21) to enable the direct current generated by the charging unit to charge the battery module (13), and when the BMS (16) recognizes that the battery module (13) is fully charged, the charging and discharging MOS tube (21) is switched off to stop charging.
CN202010475311.9A 2020-05-29 2020-05-29 Wind-solar-accessible multi-port-output mobile energy storage device and charging and discharging method Pending CN111711208A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115021358A (en) * 2022-06-17 2022-09-06 国网湖北省电力有限公司电力科学研究院 Mobile energy storage device with multiple groups of alternating current/direct current power supplies and load interfaces

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CN106541845A (en) * 2016-11-25 2017-03-29 上海工程技术大学 A kind of wireless electric automobile charging system actual and control method
CN208656488U (en) * 2018-06-08 2019-03-26 深圳市锋哲电子有限公司 A kind of Li-ion batteries piles energy-storage battery case of solar energy and mains hybrid charging
CN110034557A (en) * 2019-04-04 2019-07-19 中国电子科技集团公司第四十八研究所 A kind of ocean anchoring floating platform energy supplyystem and control method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106541845A (en) * 2016-11-25 2017-03-29 上海工程技术大学 A kind of wireless electric automobile charging system actual and control method
CN208656488U (en) * 2018-06-08 2019-03-26 深圳市锋哲电子有限公司 A kind of Li-ion batteries piles energy-storage battery case of solar energy and mains hybrid charging
CN110034557A (en) * 2019-04-04 2019-07-19 中国电子科技集团公司第四十八研究所 A kind of ocean anchoring floating platform energy supplyystem and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115021358A (en) * 2022-06-17 2022-09-06 国网湖北省电力有限公司电力科学研究院 Mobile energy storage device with multiple groups of alternating current/direct current power supplies and load interfaces

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Application publication date: 20200925