CN111668924A - Circuit system and power station - Google Patents

Circuit system and power station Download PDF

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Publication number
CN111668924A
CN111668924A CN202010642983.4A CN202010642983A CN111668924A CN 111668924 A CN111668924 A CN 111668924A CN 202010642983 A CN202010642983 A CN 202010642983A CN 111668924 A CN111668924 A CN 111668924A
Authority
CN
China
Prior art keywords
power supply
power
line
charging
load
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010642983.4A
Other languages
Chinese (zh)
Inventor
万兵兵
张宁
洪君
吴广涛
周金鹿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Weilai Energy Co ltd
Original Assignee
Wuhan Weilai Energy Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Weilai Energy Co ltd filed Critical Wuhan Weilai Energy Co ltd
Priority to CN202010642983.4A priority Critical patent/CN111668924A/en
Publication of CN111668924A publication Critical patent/CN111668924A/en
Priority to TW110101233A priority patent/TWI748841B/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • 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
    • 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

Abstract

The invention relates to the technical field of methods and devices for using and maintaining secondary batteries or secondary half batteries, in particular to a circuit system and a battery replacement station. The circuit system is connected with the plurality of power supply components and used for transmitting power and charging the power supply components, the circuit system comprises a load circuit, a power supply control component and a control system, and the load circuit is connected with a power load; one end of the power supply line is connected with the load line, and the other end of the power supply line is connected with at least one power supply part; the power supply control component is connected in the power supply circuit, controls the connection of the power supply circuit and enables the power supply component to transmit power to the electric load; the control system is electrically connected with the power supply control assembly, and when the load circuit is powered down, the control system controls the starting of the power supply control assembly, so that the power supply assembly transmits power to the load circuit. The power conversion station comprises a circuit system, power conversion working capacity cannot be lost due to power failure in power conversion work of the power conversion station, influence on power conversion work due to power failure of the power conversion station can be avoided, and the user experience effect is better.

Description

Circuit system and power station
Technical Field
The invention relates to the technical field of methods and devices for using and maintaining secondary batteries or secondary half batteries, in particular to a circuit system and a battery replacement station.
Background
The electric vehicle battery replacement mode is to store, charge and distribute a large number of batteries in a centralized manner through a centralized charging station and perform battery replacement service on the electric vehicle in a battery distribution station. Compared with the battery 'plug-in charging', the battery replacement mode can solve pain points such as overlong charging time and the like, relieve the user mileage anxiety and is a mode for quickly solving the charging amount. The battery replacing station is generally used in the battery replacing mode of the electric automobile, and along with the rapid development of the electric automobile industry, more and more battery replacing stations are used.
In the conventional battery replacement station, when a power grid is powered off, the battery replacement station stops battery replacement. At this time, if the electric vehicle is stopped on the lifting platform or is performing locking and unlocking actions, and the like, the user needs to wait for power transmission of the power grid or power failure removal, and then the power conversion work can be continued, so that the user experience is poor.
Disclosure of Invention
The invention provides a circuit system, which can continuously carry out power change work after a power grid is powered off so as to solve the problem that the power change work can not be carried out due to the power grid power failure of a power change station in the prior art, so that the user experience is poor.
The invention also provides a power conversion station which comprises the circuit system and has the advantage of good user experience.
The invention provides a circuit system, which is connected with a plurality of power supply components and used for transmitting power and charging the power supply components, and comprises a load circuit, a power supply control component and a control system, wherein the load circuit is connected with a power load; one end of a power supply line is connected with the load line, and the other end of the power supply line is connected with at least one power supply part; the power supply control component is connected in the power supply line, controls the connection of the power supply line and enables the power supply part to transmit power to the electric load; the control system is electrically connected with the power supply control assembly, and when the load line is powered down, the control system controls the starting of the power supply control assembly, so that the power supply assembly transmits power to the load line.
Wherein at least two of the power supplies are connected in series; or at least two power supply parts are connected in parallel, and an on-off switch is arranged between the power supply parts connected in parallel.
Wherein the control system is connected in the load line.
The circuit system further comprises an uninterruptible power supply, and the uninterruptible power supply and the control system are connected in series on the same load line.
The power supply control assembly comprises a first switch and an inverter which are connected on a power supply line in series, and the first switch is connected with the control system.
The number of the first switches is two, and the inverter is connected between the two first switches.
The circuit system further comprises a charging control assembly and at least one charging line, the at least one charging line is arranged in parallel, the charging line is connected with the charging control assembly and at least one power supply piece, the charging control assembly is electrically connected with the control system, and the charging control assembly controls the charging of the charging line.
Wherein the charging control assembly comprises a rectifier and a second switch, the rectifier and the second switch being connected in series on the charging line.
The circuit system further comprises at least one bus line, the at least one bus line is arranged in parallel, and the charging line, the load line and the power supply line are all connected to the corresponding bus line.
Wherein the electric load comprises a pneumatic system and/or a power supply system of a rail guided vehicle.
The invention further provides a power conversion station, and the circuit system is installed in the power conversion station.
According to the circuit system provided by the invention, the circuit system is connected with the plurality of power supply parts to charge the power supply parts, when the power supply station is powered off under the condition of needs, such as power failure of a power grid or power failure caused by other conditions, or the power supply station is inconvenient to supply power for an electric load, and the like, the control system controls the power supply control assembly to work, at least one power supply part on the power supply circuit can supply power to the electric load through the power supply circuit and the load circuit, and therefore the normal work of the electric load is effectively ensured. When trading the power station and installing this circuit system, trade electric work of trading the power station and can not lose and trade electric operating capability because of having a power failure, still can trade electric work for electric automobile, can avoid because of trading the influence that the power was stopped to trade electric work in power station, user experience effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of the power trend of a circuit system when a power grid is normal according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the power trend of the circuit system when the power grid is powered off in the first embodiment of the present invention;
FIG. 3 is a schematic diagram of the power trend of a circuit system when a power grid is powered off in a second embodiment of the present invention;
FIG. 4 is a schematic diagram of the power trend of a circuit system when a power grid is powered off in a third embodiment of the present invention;
description of reference numerals:
1. an electricity load; 21. a first power supply member; 22. a second power supply; 23. a third power supply; 24. a fourth power supply; 25. a fifth power supply; 26. a sixth power supply; 27. a seventh power supply; 28. an eighth power supply; 3. a control system; 4. a power supply line; 5. a load line; 6. a busbar; 7. a charging circuit; 8. a bus line; 9. a fourth switch; UPS, uninterrupted power source; P1-P8, first rectifier-eighth rectifier; p9, inverter; p10, tenth rectifier; KM1, a first contactor; KM2, a second contactor; QF1-QF3, first breaker-third breaker.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present embodiment provides a circuit system installed in a power conversion station, and as shown in fig. 1, the circuit system includes a bus line 8, a charging line 7, a power supply line 4, a load line 5, a power supply control assembly, a charging control assembly, and a control system 3.
The number of the bus lines 8 is at least one, when the number of the bus lines 8 is more than or equal to 2, the bus lines 8 are arranged in parallel, one end of each bus line 8 is connected with a power grid, and the other end of each bus line 8 is connected with a busbar 6. As shown in fig. 1, the two bus lines 8 are provided, the two bus lines 8 are arranged in parallel, a first breaker QF1 is connected to the left side bus line 8, and a second breaker QF2 is connected to the right side bus line 8. The first breaker QF1 and the second breaker QF2 are respectively used for controlling the connection or disconnection of the two buses 8. The arrangement of the first circuit breaker QF1 and the second circuit breaker QF2 also enables the circuitry to select the number of access buses 8 according to the usage requirements, such as access to the first circuit breaker QF1, or access to the second circuit breaker QF2, or access to the first circuit breaker QF1 and the second circuit breaker QF 2; and when a fault occurs in one of the bus lines 8 or a line connected to the bus line 8, the bus line 8 is disconnected in time, and the work of other bus lines 8 is not affected.
The number of the charging lines 7 is at least one, the number of the load lines 5 is at least one, the number of the power supply lines 4 is at least one, and each charging line 7, each load line 5 and each power supply line 4 are all connected to the corresponding busbar 6, that is, connected to the bus line 8 connected to the busbar 6. Any it all can be connected with on female row 6 power supply line 4, female arranging 6 is last to be connected with whether charging line 7 with load circuit 5 can set up according to the user demand, but in order to make each line connection simpler, generally is connected with load circuit 5 female arranging 6 is last to be connected with charging line 7.
When one be connected with on female row 6 a plurality ofly when charging line 7, it is a plurality of charging line 7 sets up in parallel, arbitrary all be equipped with charging control assembly and at least one power supply on the charging line 7. When the circuit system is used in a power conversion station, usually one power supply device is connected to one charging circuit 7, so as to facilitate charging control of a single power supply device. The charging control assembly is electrically connected with the control system 3, and the charging control assembly controls the on-off of the charging circuit 7 and enables the power supply to be charged.
In this embodiment, the charging control assembly includes a rectifier and a second switch, and the rectifier and the second switch are connected in series to the charging line 7. Referring to fig. 1 and 2, the rectifier is connected to a position closer to the busbar 6 relative to the charging element, a second switch is disposed between the rectifier and the busbar 6, and a third switch is further disposed between the rectifier and the power supply element. The second switch and the third switch are also connected with the control system 3 and are controlled by the control system 3 to work cooperatively, a power supply piece is installed on the charging line 7, when the power supply piece needs to be charged, the control system 3 controls the second switch and the third switch to be closed, and the charging line 7 is connected. As shown in fig. 1, the second switch is also shown as a circuit breaker.
The power supply control system is characterized in that the power supply control assembly and at least one power supply assembly are connected to the power supply circuit 4, an electric load 1 is connected to the load circuit 5, the load circuit 5 is connected with the corresponding power supply circuit 4 in series, the control system 3 is electrically connected with the power supply control assembly to control starting and stopping of the power supply control assembly, the power supply control assembly is connected to the power supply circuit to control connection of the power supply circuit and enable the power supply assembly to transmit power to the electric load 1, and at least one power supply assembly passes through the power supply circuit 4 and the load circuit 5 is connected with the electric load 1.
In this embodiment, the control system 3 is also configured in the electric load 1, and therefore, the control system 3 is connected to the load line 5, and thus, the control system 3 can be supplied with electric power without using another line.
The circuit system further comprises an uninterruptible power supply UPS, which is connected in series with the control system 3 on the same load line 5. The Uninterruptible Power supply (Uninterruptible Power System) includes an energy storage device therein, and is configured to provide an uninterrupted Power supply to the control System 3. When the power grid input is normal, the UPS supplies the power grid with stabilized voltage to the control system 3 for use, and the UPS is an AC type voltage stabilizer and also charges the battery in the machine; when the power failure of the power grid occurs, the Uninterruptible Power Supply (UPS) immediately converts the direct current electric energy of the battery into alternating current to continuously supply 220V alternating current to the control system 3, so that the control system 3 maintains normal work and protects the software and hardware of the power grid from being damaged. When in use, when the control system 3 uses 220V ac power, the UPS is directly connected to the control system 3; when the control system 3 uses dc power, for example, the control system 3 uses 12V dc power, a tenth rectifier P10 is further installed between the UPS and the control system 3.
The power supply control assembly comprises a first switch and an inverter P9 which are connected in series on a supplied power line 4, the first switch is connected with the control system 3, and the inverter P9 is arranged close to the supplied power line 4. In this embodiment, the first switch is a contactor, and as shown in fig. 1 and fig. 2, there are two contactors, namely, a first contactor KM1 and a second contactor KM2, and the inverter P9 is connected between the first contactor KM1 and the second contactor KM 2.
In this embodiment, the electric loads 1 include the control system 3, a pneumatic system, and a power supply system for a rail-guided vehicle, but it is also possible to provide other electric loads 1 according to the power exchanging operation condition of the power exchanging station, or only use the pneumatic system or the power supply system for the rail-guided vehicle. The Rail Guided Vehicle (Rail Guided Vehicle) is called a Rail shuttle trolley, the Rail Guided Vehicle can be used for warehouses with various high-density storage modes, a trolley channel can be designed to be any length, and the Rail Guided Vehicle is used in a power exchanging station, so that the power exchanging workload of the whole power exchanging station can be increased.
The power supply in this embodiment is a battery, but is not limited to a battery, and may be a charging cabinet or other component capable of charging and supplying power to a power consuming structure.
In this embodiment, the circuit system may have a plurality of connection modes according to the use requirement, wherein the first connection mode is shown in fig. 1 and fig. 2:
the bus line 8 that has two parallelly connected, every be parallel connection has four on the bus line 8 charging line 7, arbitrary one has a power supply on the charging line 7, the power supply is first power supply 21, second power supply 22, third power supply 23, fourth power supply 24, fifth power supply 25, sixth power supply 26, seventh power supply 27 and eighth power supply 28 in proper order by the left side of the figure to the right side of the figure, on the right side still parallel connection has a power supply line 4 and two on female arranging 6 load circuit 5. An eighth power supply 28, a first contactor KM1, an inverter P9, a second contactor KM2 and a third breaker QF3 are sequentially connected in series on the power supply line 4, and an uninterruptible power supply UPS, a tenth rectifier P10 and a control system 3 are sequentially connected in series on the left load line 5. And a pneumatic system and a power supply system of the rail guided vehicle are connected to the load line 5 on the right side.
When the power grid is normal, referring to fig. 1, the electric energy of the power grid enters the busbar 6 through the bus line 8, and supplies power to the corresponding first power supply element 21, second power supply element 22, third power supply element 23, fourth power supply element 24, fifth power supply element 25, sixth power supply element 26, seventh power supply element 27 and eighth power supply element 28 through eight charging lines 7, and the eight charging elements charge; meanwhile, the UPS and the control system 3 supply power through the left load circuit 5, and the power load 1 supplies power through the right load circuit 5.
When the electric wire netting loses the power, first circuit breaker QF1 and second circuit breaker QF2 disconnection, control system 3 detects the electric wire netting and loses the power after, control system 3 control first contactor KM1 with second contactor KM2 is closed, the direct current warp of eighth power supply 28 inverter P9 turns into the alternating current, for uninterrupted power source UPS, power consumption load 1 power supply.
A second connection of the circuit system is shown in fig. 3: the difference from the first connection method is that two eighth charging elements are connected to the charging circuit. When the power of the power grid is lost, the control system 3 controls the first contactor KM1 and the second contactor KM2 to be closed, and the direct current of the two eighth power supply elements 28 is converted into alternating current through the inverter P9, so as to supply power to the uninterruptible power supply UPS and the electric load 1.
The third connection mode of the circuit system is shown in fig. 4: the difference from the first connection is that the power supply line 4 is connected to the seventh power supply element 27 and the eighth power supply element 28. When the power of the power grid is lost, the control system 3 controls the first contactor KM1 and the second contactor KM2 to be closed, and the direct current of the seventh power supply unit 27 and the direct current of the eighth power supply unit 28 are converted into alternating current through the inverter P9 to supply power to the uninterruptible power supply UPS and the electric load 1.
Of course, in order to prevent a short circuit or the like when charging the seventh power supply unit 27 and the eighth power supply unit 28, an on-off switch, i.e., a fourth switch 9, is provided between the seventh power supply unit 27 and the eighth power supply unit 28, and the fourth switch 9 is turned off when charging the seventh power supply unit 27 and the eighth power supply unit 28. When the power grid is powered down, the fourth switch 9 is switched on. The fourth switch 9 may be connected to the control system 3.
When the electric wire netting loses the power, first circuit breaker QF1 and second circuit breaker QF2 disconnection, control system 3 detects the electric wire netting and loses the power after, control system 3 control first contactor KM1 with second contactor KM2 is closed, the direct current warp of eighth power supply 28 inverter P9 turns into the alternating current, for uninterrupted power source UPS, power consumption load 1 power supply.
In the circuit system of this embodiment, when the power supply device supplies power to the electric load 1 as a power source, the power supply device is not limited to the power failure of the power grid, and may also cause a power failure in the power switching station or cause inconvenience in power supply to the electric load in the power switching station in other cases. The power supply part is used as a power supply, the control system controls the power supply control assembly to work, and at least one power supply part on the power supply line can supply power to the electric load through the power supply line and the load line, so that the normal work of the electric load is effectively ensured. When the circuit system is installed in the battery replacement station, the battery replacement work of the battery replacement station cannot lose the battery replacement work capacity due to power failure, the battery replacement work can still be carried out for the electric automobile, the influence on the battery replacement work due to power failure of the battery replacement station can be avoided, if the user charging automobile cannot stop on the lifting platform for a long time due to power failure of a power grid, the user experience effect is better.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. Circuitry connected to a plurality of power supplies for delivering power and charging the power supplies, the circuitry comprising,
a load line (5) connected to the power load (1);
a power supply line (4), one end of which is connected with the load line (5) and the other end of which is connected with at least one power supply part;
a power supply control module connected to the power supply line, controlling the connection of the power supply line, and enabling the power supply device to transmit power to the electrical load (1);
the control system (3) is electrically connected with the power supply control assembly (2), and when the load line (5) is powered down, the control system (3) controls the power supply control assembly (2) to be started, so that the power supply member transmits power to the load line (5).
2. The circuitry of claim 1, wherein at least two of said power supplies are connected in series; or the like, or, alternatively,
at least two power supply parts are connected in parallel, and an on-off switch is arranged between the power supply parts connected in parallel.
3. A circuit system as claimed in claim 1, characterized in that the control system (3) is connected in the load line (5).
4. A circuit arrangement as claimed in claim 3, characterized in that the circuit arrangement further comprises an Uninterruptible Power Supply (UPS), which is connected in series with the control system (3) on the same load line (5).
5. The circuit system according to claim 1, characterized in that the supply control assembly comprises a first switch and an inverter (P9) connected in series on the supply line (4), the first switch being connected with the control system (3).
6. The circuit system according to claim 1, characterized in that the circuit system further comprises a charging control assembly and at least one charging line (7), wherein the at least one charging line (7) is connected in parallel, the charging control assembly and at least one power supply member are connected to the charging line (7), the charging control assembly is electrically connected with the control system (3), and the charging control assembly controls the charging of the charging line (7).
7. Circuit system according to claim 6, characterized in that the charging control assembly comprises a rectifier and a second switch, which are connected in series on the charging line (7).
8. The circuit system according to claim 7, further comprising at least one bus line (8), wherein at least one of the bus lines (8) is arranged in parallel, and the charging line (7), the load line (5) and the power supply line (4) are all connected to the corresponding bus line (8).
9. The circuit system according to claim 8, characterized in that the electrical load (1) comprises a pneumatic system, and/or a rail guided vehicle power supply system.
10. A power conversion station, characterized in that a circuit system according to any one of claims 1-9 is installed.
CN202010642983.4A 2020-07-06 2020-07-06 Circuit system and power station Pending CN111668924A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010642983.4A CN111668924A (en) 2020-07-06 2020-07-06 Circuit system and power station
TW110101233A TWI748841B (en) 2020-07-06 2021-01-13 A circuit system and swapping station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010642983.4A CN111668924A (en) 2020-07-06 2020-07-06 Circuit system and power station

Publications (1)

Publication Number Publication Date
CN111668924A true CN111668924A (en) 2020-09-15

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TW (1) TWI748841B (en)

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
CN104380558B (en) * 2012-04-12 2018-11-09 东宾夕法尼亚制造公司 Accumulator capacity management
CN106415972B (en) * 2014-06-03 2020-02-07 株式会社村田制作所 Power supply device and power supply method
US10594150B2 (en) * 2015-04-24 2020-03-17 Manodya Limited Pulse discharge system
EP3447899A4 (en) * 2016-04-21 2019-10-16 Toshiba Mitsubishi-Electric Industrial Systems Corporation Uninterruptible power supply device
CN109309396A (en) * 2017-07-28 2019-02-05 北京德意新能电气有限公司 A kind of energy-storage battery parallel charge-discharge device
TWI685178B (en) * 2019-01-03 2020-02-11 台達電子工業股份有限公司 Power supply system
CN110768368A (en) * 2019-11-26 2020-02-07 国网电子商务有限公司 Uninterruptible power supply system

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