CN112117751A - Flexible distribution method and system for charging power of direct current pile - Google Patents
Flexible distribution method and system for charging power of direct current pile Download PDFInfo
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- 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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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- 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
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- 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
- B60L53/60—Monitoring or controlling charging stations
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- 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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/109—Scheduling or re-scheduling the operation of the DC sources in a particular order, e.g. connecting or disconnecting the sources in sequential, alternating or in subsets, to meet a given demand
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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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a flexible distribution system for charging power of a direct current pile, which comprises a plurality of charging power module units, a plurality of charging guns, a plurality of switch switching units and a switch control unit, wherein the charging power module units are connected with the charging guns through the switch switching units, the switch control unit is connected with the switch switching units, and the switch control unit flexibly controls the on-off states of the switch switching units according to acquired power requirements. The invention relates to a flexible distribution method for charging power of a direct current pile. According to the invention, when other charging guns are idle or have small requirements, the rest power is allocated by default, so that the load efficiency of the charging pile is improved, the load utilization rate of the charging station is increased, the charging time of a single vehicle is shortened, and the unit time turnover rate of the charging station is increased.
Description
Technical Field
The invention relates to the technical field of flexible distribution of direct current pile charging power, in particular to a flexible distribution method and system of direct current pile charging power.
Background
New energy electric automobile is flourishing development, and the demand of charging continues to increase, and the ubiquitous problem of charging time is too long at present stage, and the electric pile is filled to numerous high-power urgent needs, and high-power electric pile of filling is furnished with 2 to 4 rifle that charge generally. How to fill the flexible distribution of electric pile's power to each rifle that charges, what current direct current fills electric pile was adopted in many times is that every rifle corresponds a maximum fixed power, can not borrow the surplus power to distribute when other guns are idle or the demand is less, leads to the idle waste of power, and the load factor is lower, and the sexual valence is lower.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method and a system for flexibly distributing charging power of a direct current pile, so that the load efficiency of the charging pile is improved, the load utilization rate of a charging station is increased, the charging time of a single vehicle is shortened, and the turnover rate of the charging station per unit time is increased.
The invention provides a flexible distribution method of charging power of a direct current pile, which comprises the following steps:
acquiring power requirements, and flexibly controlling the switch switching unit to switch by the switch control unit according to the acquired power requirements;
the switch control unit controls the insulated gate bipolar transistor of the switch switching unit to be conducted firstly, and then controls the relay of the switch switching unit to be started after the insulated gate bipolar transistor is conducted for a preset time, so that the corresponding charging power module unit is communicated to the charging gun to meet the charging power requirement;
and withdrawing the work, wherein the switch control unit firstly controls the relay to be disconnected, and then controls the insulated gate bipolar transistor to be disconnected after the relay is closed for a preset time.
And further, checking the adhesion condition between the step of acquiring the power requirement and the step of entering the working, checking whether the relay is adhered or not after the switch switching unit obtains a starting instruction, controlling the switch switching unit where the adhered relay is located to stop executing the next step if the relay is adhered, turning to alarm and ending the process, otherwise, skipping to the step of entering the working.
Further, the switch control unit controls the insulated gate bipolar transistor of the switch switching unit through a PWM signal, and controls the relay of the switch switching unit through a logic level.
Further, the preset time is 20ms to 40 ms.
The utility model provides a flexible distribution system of direct current stake charging power, includes a plurality of power module units that charge, a plurality of rifle that charges, a plurality of switch switching unit, on-off control unit, the power module unit that charges passes through the switch switching unit with the rifle that charges is connected, on-off control unit with the switch switching unit is connected, on-off control unit is through the flexible control of power demand that obtains the on-off state of switch switching unit.
Further, the number of the charging power module units is configured according to the total rated power of the charging pile; the number of the switch switching units is the product of twice of the number of the charging power module units and the number of the charging guns; the switch switching unit comprises an insulated gate bipolar transistor and a relay, and the insulated gate bipolar transistor is connected with the relay in parallel.
Furthermore, the insulated gate bipolar transistor is provided with a diode and is controlled by PWM waves, and the driving end and the power end of the insulated gate bipolar transistor adopt an isolation scheme; the voltage level of the relay is 220 VAC; the relay is isolated and is controlled by logic level; the switch switching unit adopts an aluminum fin-shaped radiator.
Further, the microprocessor of the switch control unit adopts an industrial grade 32-bit Cortex-M3 architecture ARM chip; the switch control unit comprises a microprocessor plug-in memory, a crystal oscillator, an indicator lamp module, a CAN module, a control interface and a power supply, wherein the memory is used for storing setting parameters, backing up important parameters and storing event sequence records, the crystal oscillator is used for guaranteeing clock stability at high and low temperatures, the CAN module is used for communicating with the outside and receiving related information and instructions, and the control interface is used for controlling the switch switching unit.
Furthermore, the microprocessor of the switch control unit is also externally connected with an indicator light module, and the indicator light module is used for indicating the running state of the microprocessor and indicating the state of the switch switching unit.
Further, the memory is a ferroelectric memory, the crystal oscillator is a temperature compensation type crystal oscillator, the control interface is a GPIO (general purpose input/output) port, and the power specification is 12V.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a flexible distribution system for charging power of a direct current pile, which comprises a plurality of charging power module units, a plurality of charging guns, a plurality of switch switching units and a switch control unit, wherein the charging power module units are connected with the charging guns through the switch switching units, the switch control unit is connected with the switch switching units, and the switch control unit flexibly controls the on-off states of the switch switching units according to acquired power requirements. The invention relates to a flexible distribution method for charging power of a direct current pile. According to the invention, when other charging guns are idle or have small requirements, the rest power is allocated by default, so that the load efficiency of the charging pile is improved, the load utilization rate of the charging station is increased, the charging time of a single vehicle is shortened, and the unit time turnover rate of the charging station is increased.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a DC pile charging power flexible distribution system according to the present invention;
FIG. 2 is a schematic diagram of a switch control unit of the present invention;
FIG. 3 is a schematic diagram of a switching unit according to the present invention;
fig. 4 is a flowchart of the operation of the switching unit of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The utility model provides a flexible distribution system of direct current stake charging power, as shown in figure 1, including a plurality of power module units that charge, a plurality of rifle that charges, a plurality of switch switching unit, on-off control unit, the power module unit that charges passes through the switch switching unit and is connected with the rifle that charges, on-off control unit is connected with the switch switching unit, on-off control unit is through the power demand flexible control switch switching unit's that obtains on-off state to communicate corresponding power module unit that charges to the rifle that charges and satisfy various types of charging power demands.
Fig. 1 lists 2 rifle 4 charging power module switching wiring schematic diagrams that charge, and 1#,2#,3#,4# power module are charging power modular unit, and charging power modular unit quantity configures according to the total rated power of filling electric pile, if fill electric pile total power and be 360KW, every charging power modular unit is 30KW, then need configure 12 charging power modular unit, and n is 12 this moment.
DC1+ and DC 1-form a charging gun, DC2+ and DC 2-form another charging gun, and the total number of the charging guns is 2. The quantity of actual rifle that charges is determined by the demand, but 1 fills electric pile and basically can not exceed 4 electric guns that charge.
And 2n × m switch switching units are arranged on the whole machine corresponding to the charging power module units, wherein n is the number of the charging power module units, and m is the number of the charging guns. In fig. 1, m is 2, i.e. 2 charging guns, and n is 4, i.e. 4 charging power module units. The 1# charging power module unit corresponds to 4 switch switching units in total, 1K1,1K 2, 1K3 and 1K4, and the 1#,2#,3#, and 4# charging power module units are provided with 2 × 4 × 2, namely 16 switch switching units, namely 1K1 to 4K4 in fig. 1, and each switch switching unit is the same, so that the modular design is facilitated, and the switch switching units can be directly replaced with each other, and can be increased or decreased at any time according to requirements.
The charging power module unit designed in fig. 1 is 30KW, and 4 charging power module units in total, so that a single charging gun can output 120KW of power at most. Due to flexible distribution, an output power distribution algorithm of the charging gun needs to be intelligentized, for example, if the power required by the gun 1 is 120KW, the charging gun 1 is composed of DC1+ and DC1 —, all the charging power module units 1#,2#,3#, and 4# need to be switched to the gun 1, at this time, 8 switch switching units such as 1K1,1K3,2K1,2K3,3K1,3K3,4K1, and 4K3 need to be switched to a conducting state, and the rest 8 switch switching units need to be ensured to be in a disconnecting state, at this time, all the power of the charging power module units 1#,2#,3#, and 4# is transmitted to a demand end through the charging gun composed of DC + and DC-.
The switch control unit in fig. 1 controls the switching states of 16 switch switching units of 1K1 to 4K 4. As shown in fig. 2, the microprocessor of the switch control unit adopts an industrial grade 32-bit Cortex-M3 architecture ARM chip, and has fast response speed and stable operation. The 32-bit high-speed microprocessor plug-in memory is used for storing setting parameters, event sequence records and backup important parameters, and preferably, the memory is a ferroelectric memory. The 32-bit high-speed microprocessor is simultaneously externally connected with the crystal oscillator, so that the clock stability is guaranteed at high and low temperatures, the control of the time sequence of the IGBT and the relay is very important, and the crystal oscillator is preferably a temperature compensation type crystal oscillator. The 32-bit high-speed microprocessor is also externally connected with an indicator light module for indicating the running state of the microprocessor and indicating the state of the switch switching unit. In addition, the 32-bit high-speed microprocessor plug-in CAN module is used for communicating with the outside and receiving related information and instructions, and it should be understood that WiFi communication, 4G communication, Ethernet communication and the like CAN be selected according to actual conditions. The 32-bit high-speed microprocessor is also externally connected with a control interface for controlling the switch switching unit.
In fig. 2, the control capability of the control interface of the switch control unit depends on the number of GPIO ports of the 32-bit high-speed microprocessor, in this embodiment, 100 channels are left for the maximum number of GPIO ports of the 32-bit high-speed microprocessor, 2n × m switch switching units are provided for the complete machine according to the charging power module unit, n is the number of the charging power module units, m is the number of the charging guns, 1 charging pile basically does not exceed 4 charging guns, that is, m is 4 at most, n is 12.5 at most, and after the rounding, 12 is 12, that is, which charging gun or guns the current of 12 charging power module units can be controlled to flow to at most.
As shown in fig. 3, the switching unit includes an Insulated Gate Bipolar Transistor (IGBT) and a relay in parallel relationship. The IGBT self-carried diode selected by the switch switching unit can effectively guide reverse current at the moment of cutting off the IGBT. The relay selected by the switch switching unit has large current capacity, and the voltage level is only 220 VAC. In fig. 3, the components of the switching unit have the following selection-related characteristics: the IGBT driving end and the power end of the switch switching unit adopt an isolation scheme, so that the safety performance of the control panel is ensured; the relay of the switch switching unit is isolated, the switch switching unit is designed to have a through flow rate of 80A when the temperature of the IGBT is 25 ℃ and 40A when the temperature of the IGBT is 125 ℃, so that the temperature must be reduced at high temperature, heat dissipation needs to be considered, the heat dissipation requirement of the switch switching unit is high, and an aluminum fin-shaped heat radiator is adopted. The switch switching unit utilizes the characteristic that the IGBT conduction voltage is reduced, the relay is closed after the IGBT is conducted, the closed relay can be started after the IGBT is conducted for about 30ms, the contact resistance of the relay is lower, most of current flows through the relay, few current flows through the IGBT, little current flows through the IGBT under normal work of the switch switching unit, and therefore heat dissipation of the IGBT is not considered temporarily. When the switch switching unit is switched off, the switch switching unit needs to be switched off firstly and then the IGBT is switched off. The reverse-filling prevention diode of the switch switching unit is required to bear all current to pass through in the forward direction, so that heating is more severe, and an aluminum finned radiator is adopted. The relay of the switch switching unit is controlled by logic level, the IGBT is controlled by PWM wave, the control frequency is 18.0kHz to 60.0kHz, and meanwhile, the duty ratio of the PWM wave of the IGBT is set to be 30%. The IGBT and the relay are organically combined and complemented, and the IGBT and the relay enter into and withdraw from work under the precise control of the switch control unit by utilizing the high-voltage cut-off function of the IGBT and the low-pass resistance of the relay.
A method for flexibly distributing charging power of a dc pile, as shown in fig. 4, includes the following steps:
acquiring power requirements, and flexibly controlling the switch switching unit to switch by the switch control unit according to the acquired power requirements;
checking the adhesion condition, after the switch switching unit obtains a start instruction, checking whether the relay is adhered, if so, controlling the switch switching unit where the adhered relay is located to stop executing the next step, and then alarming and ending the process, otherwise, skipping to enter the working step;
the method comprises the following steps that the work is started, the switch control unit controls the insulated gate bipolar transistor of the switch switching unit to be conducted through a PWM signal, after the insulated gate bipolar transistor is conducted for preset time, the preset time is preferably 20ms to 40ms, in the embodiment, the preset time is set to 30ms, and then the relay of the switch switching unit is controlled to be started through logic level, so that the work state is formally started, and the corresponding charging power module unit is communicated to a charging gun to meet the charging power requirement;
and withdrawing the work, the switch control unit firstly controls the relay to be switched off, preferably, the preset time is 20ms to 40ms after the relay is switched on for the preset time, in the embodiment, the preset time is 30ms, and then the insulated gate bipolar transistor is controlled to be switched off.
The invention provides a flexible distribution system for charging power of a direct current pile, which comprises a plurality of charging power module units, a plurality of charging guns, a plurality of switch switching units and a switch control unit, wherein the charging power module units are connected with the charging guns through the switch switching units, the switch control unit is connected with the switch switching units, and the switch control unit flexibly controls the on-off states of the switch switching units according to acquired power requirements. The invention relates to a flexible distribution method for charging power of a direct current pile. According to the invention, when other charging guns are idle or have small requirements, the rest power is allocated by default, so that the load efficiency of the charging pile is improved, the load utilization rate of the charging station is increased, the charging time of a single vehicle is shortened, and the unit time turnover rate of the charging station is increased.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A flexible distribution method for charging power of a direct current pile is characterized by comprising the following steps:
acquiring power requirements, and flexibly controlling the switch switching unit to switch by the switch control unit according to the acquired power requirements;
the switch control unit controls the insulated gate bipolar transistor of the switch switching unit to be conducted firstly, and then controls the relay of the switch switching unit to be started after the insulated gate bipolar transistor is conducted for a preset time, so that the corresponding charging power module unit is communicated to the charging gun to meet the charging power requirement;
and withdrawing the work, wherein the switch control unit firstly controls the relay to be disconnected, and then controls the insulated gate bipolar transistor to be disconnected after the relay is closed for a preset time.
2. The flexible distribution method of DC pile charging power according to claim 1, characterized in that: and checking the adhesion condition between the step of acquiring the power requirement and the step of entering the working, checking whether the relay is adhered after the switch switching unit obtains a starting instruction, if so, controlling the switch switching unit where the adhered relay is located to stop executing the next step, then alarming and ending the process, otherwise, skipping to the step of entering the working.
3. The flexible distribution method of DC pile charging power according to claim 1, characterized in that: the switch control unit controls the insulated gate bipolar transistor of the switch switching unit through a PWM signal and controls the relay of the switch switching unit through a logic level.
4. The flexible distribution method of DC pile charging power according to claim 1, characterized in that: the preset time is 20ms to 40 ms.
5. The utility model provides a flexible distribution system of direct current stake charging power which characterized in that: including a plurality of power module units that charge, a plurality of rifle that charges, a plurality of switch switching unit, on-off control unit, the power module unit that charges passes through the switch switching unit with the rifle that charges is connected, on-off control unit with the switch switching unit is connected, on-off control unit is through the flexible control of power demand that obtains the on-off state of switch switching unit.
6. The flexible distribution system of dc pole charging power of claim 5, wherein: the number of the charging power module units is configured according to the total rated power of the charging pile; the number of the switch switching units is the product of twice of the number of the charging power module units and the number of the charging guns; the switch switching unit comprises an insulated gate bipolar transistor and a relay, and the insulated gate bipolar transistor is connected with the relay in parallel.
7. The flexible distribution system of dc pole charging power of claim 6, wherein: the insulated gate bipolar transistor is provided with a diode and is controlled by PWM waves, and the driving end and the power end of the insulated gate bipolar transistor adopt an isolation scheme; the voltage level of the relay is 220 VAC; the relay is isolated and is controlled by logic level; the switch switching unit adopts an aluminum fin-shaped radiator.
8. The flexible distribution system of dc pole charging power of claim 5, wherein: the microprocessor of the switch control unit adopts an industrial grade 32-bit Cortex-M3 architecture ARM chip; the switch control unit comprises a microprocessor plug-in memory, a crystal oscillator, an indicator lamp module, a CAN module, a control interface and a power supply, wherein the memory is used for storing setting parameters, backing up important parameters and storing event sequence records, the crystal oscillator is used for guaranteeing clock stability at high and low temperatures, the CAN module is used for communicating with the outside and receiving related information and instructions, and the control interface is used for controlling the switch switching unit.
9. The flexible distribution system of dc pole charging power of claim 7, wherein: the microprocessor of the switch control unit is also externally connected with an indicator light module, and the indicator light module is used for indicating the running state of the microprocessor and indicating the state of the switch switching unit.
10. The flexible distribution system of dc pole charging power of claim 8, wherein: the memory is a ferroelectric memory, the crystal oscillator is a temperature compensation type crystal oscillator, the control interface is a GPIO (general purpose input/output) port, and the power specification is 12V.
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| CN202010651335.5A CN112117751A (en) | 2020-07-08 | 2020-07-08 | Flexible distribution method and system for charging power of direct current pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112677808A (en) * | 2020-12-23 | 2021-04-20 | 国网湖北省电力有限公司电力科学研究院 | Multi-bus-bar type charging stack power distribution device and control method thereof |
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| CN207790362U (en) * | 2017-12-15 | 2018-08-31 | 蔚来汽车有限公司 | Mobile charging device and charging vehicle |
| WO2019114323A1 (en) * | 2017-12-15 | 2019-06-20 | 蔚来汽车有限公司 | Mobile charging device, control method and charging vehicle |
| CN208069424U (en) * | 2018-01-09 | 2018-11-09 | 杭州中恒电气股份有限公司 | Flexible charging station |
| CN108667084A (en) * | 2018-06-15 | 2018-10-16 | 贵州电网有限责任公司 | A kind of micro-capacitance sensor cluster self-discipline cooperative control method based on flexible direct current interconnection |
| CN110994584A (en) * | 2019-11-25 | 2020-04-10 | 湖南红太阳新能源科技有限公司 | Flexible power distribution charging stack and distribution method |
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| CN112677808A (en) * | 2020-12-23 | 2021-04-20 | 国网湖北省电力有限公司电力科学研究院 | Multi-bus-bar type charging stack power distribution device and control method thereof |
| CN112677808B (en) * | 2020-12-23 | 2022-08-12 | 国网湖北省电力有限公司电力科学研究院 | Multi-bus-bar type charging stack power distribution device and control method thereof |
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