WO2023179066A1 - Procédé de protection de circuit basé sur un condensateur à barre omnibus pour courant continu, et système de commande pour un dispositif de commande embarqué - Google Patents

Procédé de protection de circuit basé sur un condensateur à barre omnibus pour courant continu, et système de commande pour un dispositif de commande embarqué Download PDF

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Publication number
WO2023179066A1
WO2023179066A1 PCT/CN2022/133858 CN2022133858W WO2023179066A1 WO 2023179066 A1 WO2023179066 A1 WO 2023179066A1 CN 2022133858 W CN2022133858 W CN 2022133858W WO 2023179066 A1 WO2023179066 A1 WO 2023179066A1
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WO
WIPO (PCT)
Prior art keywords
bus capacitor
voltage
power supply
protection method
switch tube
Prior art date
Application number
PCT/CN2022/133858
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English (en)
Chinese (zh)
Inventor
王明仁
刘猛
李潮洲
Original Assignee
无锡雷利电子控制技术有限公司
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Application filed by 无锡雷利电子控制技术有限公司 filed Critical 无锡雷利电子控制技术有限公司
Priority to KR1020247028681A priority Critical patent/KR20240140149A/ko
Publication of WO2023179066A1 publication Critical patent/WO2023179066A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0092—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption with use of redundant elements for safety purposes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/02—Providing protection against overload without automatic interruption of supply
    • H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices

Definitions

  • the invention belongs to the field of vehicle-mounted compressor control, and specifically relates to a circuit protection method based on DC bus capacitance.
  • the invention also relates to a vehicle-mounted controller control system to which the circuit protection method is applied.
  • the high-voltage side is powered by the vehicle-mounted battery, and the input voltage is usually DC350V, so that the vehicle-mounted controller control system can work stably.
  • the high-voltage side input voltage a that is, the DC bus voltage
  • the main reason is that other loads on the vehicle will disturb the output voltage of the battery. .
  • the purpose of the present invention is to propose a circuit protection method and vehicle controller control system based on DC bus capacitance, which can reliably avoid the occurrence of resonance problems, and at the same time ensure the safety of the circuit of this application through a simple, reliable and low-cost solution. service life and reliability.
  • the EMI filter is mainly an inductive component, and the circuit composed of it and the DC bus capacitor will form the inherent oscillation frequency of the control circuit (that is, generate an oscillation loop).
  • the input voltage is superimposed with an AC signal and is close to the natural oscillation frequency of the control circuit, it will cause resonance between the control circuit and the input signal; this resonance will cause the oscillation amplitude of the oscillation signal to gradually increase, which will have serious consequences for the control circuit.
  • the destructive effect will cause the DC bus capacitor in the circuit to be heated and damaged in a very short period of time.
  • the circuit includes a DC bus capacitor connected to a motor drive module.
  • the MCU is connected to the motor drive through the motor drive module.
  • the DC bus capacitor is connected to the DC power supply through a power filter. ; Connect a diode between the power filter and the positive or negative pole of the DC bus capacitor, and at the same time connect a switch tube driven by the MCU in reverse parallel between the positive and negative poles of the diode; wherein,
  • the switch tube When the motor is working, when the voltage of the DC bus capacitor does not exceed the preset threshold, the switch tube is in a closed state; when it is found that the voltage of the DC bus capacitor exceeds the preset threshold, the switch tube is opened and the DC bus capacitor is The stored electric field energy is released to the DC power source.
  • the motor drive module is turned off while the switch tube is turned on.
  • the MCU selects to send a drive signal to the motor drive module according to the motor operation requirements.
  • the interval time is 0.00001-2.5 seconds.
  • the preset threshold is greater than the rated voltage of the DC power supply and less than the DC bus capacitance and the withstand voltage value of the motor drive module.
  • the MCU is connected to the DC bus through a voltage sampling circuit, used to detect the voltage of the DC bus capacitor in real time, compare and judge the voltage of the DC bus capacitor with a preset threshold, and send the signal to the switch tube based on the comparison judgment result. Selectively send the switch tube drive signal.
  • the anode of the diode is connected to the power filter, and the cathode of the diode is connected to the anode of the DC bus capacitor; or the cathode of the diode is connected to the power filter, and the anode of the diode is connected to the The negative terminal of the DC bus capacitor.
  • the capacity of the DC bus capacitor is 2-100uF; the motor drive module includes an IPM module.
  • a vehicle-mounted controller control system includes a circuit based on a DC bus capacitor.
  • the circuit includes a DC bus capacitor connected to a motor drive module.
  • the MCU is connected to the motor driver through the motor drive module.
  • the DC bus capacitor It is connected to the DC power supply through a power supply filter; the circuit adopts the circuit protection method as described above.
  • the vehicle-mounted controller control system includes a high-voltage side power supply and a low-voltage side power supply that are electrically connected to the motor drive module, and the high-voltage side power supply adopts the DC power supply; wherein, the voltage of the high-voltage side power supply is Not less than 100V, and the voltage of the low-voltage side power supply is not higher than 50V.
  • This application connects a diode between the power filter and the positive or negative pole of the DC bus capacitor. After adding the diode, it can ensure that the electric field energy stored in the DC bus capacitor can no longer be released to the inductive component in the power filter, thus cutting off the DC bus capacitor.
  • the oscillation loop generated between the power filter and the power filter finally reliably avoids the occurrence of resonance problems; considering that the motor is an inductive load, energy feedback sometimes occurs. When the energy rushes to the bus, the bus voltage will increase and the DC bus capacitor will be burned. Or the busbar device in the motor drive module. Therefore, this application simultaneously connects the switching tube driven by the MCU in reverse parallel between the positive and negative poles of the diode.
  • the switching tube is in a closed state; when the motor During operation, when the voltage of the DC bus capacitor does not exceed the preset threshold, the switch tube is in a closed state; when it is found that the voltage of the DC bus capacitor exceeds the preset threshold, the switch tube is opened to release the electric field energy stored in the DC bus capacitor to DC power supply, which can effectively protect various devices connected to the busbar, ensuring the service life and reliability of the circuit of this application through a simple, reliable and low-cost solution.
  • Figure 1 is an input voltage a in the background technology of the present application, and a signal diagram in which the input voltage a is superimposed with an AC signal and becomes the input voltage a';
  • FIG. 2 is a schematic diagram of the circuit structure in Embodiment 1 of the present application.
  • Figure 3 is a schematic diagram of the circuit structure in Embodiment 2 of the present application.
  • Figure 4 is a control timing diagram of the circuit protection method used in Embodiment 3 of the present application.
  • FIG. 5 is a schematic structural diagram of the vehicle controller control system in Embodiment 3 of the present application (based on the circuit structure in Embodiment 1).
  • the embodiment of the present invention discloses a circuit protection method based on DC bus capacitance.
  • the circuit includes a DC bus capacitor connected to a motor drive module.
  • the MCU is connected to the motor drive through the motor drive module, and the DC bus capacitor is connected to the DC power supply through a power filter.
  • Embodiment 1 Please refer to Figure 2.
  • This embodiment proposes a protection circuit based on DC bus capacitor.
  • the DC bus capacitor 11 is connected to the DC power supply 13 through the power filter 12.
  • An oscillation loop is generated between the filters 12, and a diode 14 for cutting off the oscillation loop is connected between the power filter 12 and the positive or negative pole of the DC bus capacitor 11 to avoid resonance problems; preferably, in this embodiment, the diode 14
  • the cathode of the diode 14 is connected to the power filter 12, and the anode of the diode 14 is connected to the cathode of the DC bus capacitor 11.
  • a switch tube driven by MCU1 (abbreviation for Microcontroller Unit in English) is connected in anti-parallel between the positive and negative poles of the diode 14; specifically, preferably, in order to facilitate the installation layout, in this embodiment , the diode 14 and the switch tube are integrated and packaged as one;
  • the power filter 12 adopts an EMI (English abbreviation for Electric Magnetic Interference) power filter, and any well-known power filter can be used.
  • EMI Electric Magnetic Interference
  • the EMI power filter Including common mode inductors and differential mode inductors;
  • the switch tube adopts any one of IGBT15 (abbreviation of Insulated Gate Bipolar Transistor in English), MOS (abbreviation of MOSFET) tube and NPN transistor; specifically, preferably, in this embodiment, the switch The tube adopts IGBT15, which is integrated and packaged with diode 14; among them, the gate of IGBT15 is connected to the driving signal of MCU1, its collector is connected to the cathode of diode 14, and its emitter is connected to the anode of diode 14; MCU1 is driven by IGBT Circuit 2a (can adopt any known structure) is connected to IGBT15; MCU1 is connected to the DC bus through voltage sampling circuit 2b, which can be combined with the +HV_Detect signal input shown in Figure 5 for real-time detection of the voltage of DC bus capacitor 11;
  • IGBT15 abbreviation of Insulated Gate Bipolar Transistor in English
  • MOS abbreviation of MOSFET
  • the positive and negative poles of the DC bus capacitor 11 are connected to the IPM (English abbreviation of Intelligent Power Module) module 4 for driving the motor 3, and at the same time, the MCU1 sends a driving signal to the IPM module 4, where,
  • the IPM module 4 serves as the drive module of the motor 3 and is a busbar device connected to the busbar.
  • Embodiment 2 The remaining technical solutions of this Embodiment 2 are the same as those of Embodiment 1. The difference is that, as shown in Figure 3, in this Embodiment 2, the anode of the diode 14 is connected to the power filter 12, and the cathode of the diode 14 is connected to the DC filter.
  • the positive electrode of bus capacitor 11; the gate of IGBT15 is connected to the driving signal of MCU1, its collector is connected to the negative electrode of diode 14, and its emitter is connected to the positive electrode of diode 14.
  • Embodiment 3 Please further refer to Figure 4 and as shown in Figure 5.
  • This Embodiment 3 further proposes a circuit protection method for the protection circuit based on the DC bus capacitor 11 in Embodiment 1 or 2.
  • the circuit protection method Including: when motor 3 is not working, IGBT15 is in a closed state; when motor 3 is working, when the voltage of DC bus capacitor 11 does not exceed the preset threshold, IGBT15 is in a closed state; when it is found that the voltage of DC bus capacitor 11 exceeds the preset threshold At the threshold, MCU1 turns on IGBT15 through IGBT drive circuit 2a, and releases the electric field energy stored in the DC bus capacitor 11 to DC power supply 13; in order to protect IPM module 4 in time, it is preferred to turn off IPM module 4 while turning on IGBT15;
  • the MCU 1 selects the IPM module according to the operation requirements of the motor 3. 4.
  • the preset threshold is greater than the rated voltage of the DC power supply 13 and less than the DC bus capacitance 11 and the IPM module 4
  • the withstand voltage value further preferably, MCU1 is connected to the DC bus through the voltage sampling circuit 2b for real-time detection of the voltage of the DC bus capacitor 11, and comparing the voltage of the DC bus capacitor 11 with the preset threshold, based on this comparison The judgment result selectively sends the IGBT driving signal to IGBT15;
  • an appropriate interval time can be selected on the basis of ensuring that the voltage of the DC bus capacitor 11 does not exceed the preset threshold.
  • This embodiment does not impose a unique limit on this; specifically, preferably, in this implementation , the interval time is 0.00001-2.5 seconds, more preferably 0.0001-1 second, further preferably 0.0001-0.5 seconds, further more preferably 0.0001-0.3 seconds, which is more conducive to the accuracy of the protection process.
  • a diode 14 is arranged between the power filter 12 and the DC bus capacitor 11, and at the same time, the IGBT 15 driven by the MCU 1 is connected in reverse parallel between the positive and negative poles of the diode 14 to ensure that the DC bus capacitor 11 is in the circuit.
  • the capacity of the DC bus capacitor 11 does not need to be specially limited and can be specifically selected according to actual application requirements, with a wide range of applications; preferably, in this embodiment, the capacity of the DC bus capacitor 11 is 2- 100uF, more preferably 2-50uF.
  • This embodiment also proposes a vehicle-mounted controller control system 10 , including a circuit based on a DC bus capacitor 11 .
  • the circuit includes a DC bus capacitor 11 connected to the IPM module 4 , and the MCU 1 passes through the IPM module 4 It is driven and connected to the motor 3 (belonging to the vehicle-mounted compressor motor), and the DC bus capacitor 11 is connected to the DC power supply 13 through the EMI power filter 12; the circuit adopts the circuit used in Embodiment 1 or 2, and adopts the circuit used in Embodiment 3.
  • the on-board controller control system 10 includes a high-voltage side power supply HVDC Power and a low-voltage side power supply LVDC Power respectively electrically connected to the IPM module 4.
  • the high-voltage side power supply HVDC Power is used as in Embodiment 1 or 2.
  • the above-mentioned DC power supply 13 and EMI power filter 12 serve as the high-voltage side power supply filter, and the low-voltage side power supply LVDC Power also adopts a DC type power supply; among them, the voltage of the high-voltage side power supply HVDC Power is not less than 100V, and the voltage of the low-voltage side power supply LVDC Power is not less than 100V. Not higher than 50V;
  • the voltage + HV of the high-voltage side power supply HVDC Power is 350V and is connected to the IPM module 4; at the same time, the low-voltage side power supply LVDC Power is filtered through the low-voltage side EMI power supply.
  • the controller 21 and SMPS (the abbreviation of English Switching Mode Power Supply) output +15V low-voltage power to the IPM module 4 through the SMPS; MCU1 inputs the IGBT-contorl signal to the IGBT15 through the IGBT drive circuit 2a; the drive signal sent by the MCU1 to the IPM module 4 is specific Including: 6PWMs, which are 6-tube PWM drive signals; IPM module 4 outputs U, V, and W phase voltage drive signals to the motor 3.
  • 6PWMs which are 6-tube PWM drive signals
  • IPM module 4 outputs U, V, and W phase voltage drive signals to the motor 3.
  • DC bus capacitor 11 The manufacturer is muRata; the model is FHA50Y206KS, the capacity is 20uF, and the withstand voltage value is 630V;
  • EMI power filter 12 includes common mode inductor CMC and differential mode inductor DMI.
  • common mode inductor CMC is 1270uH and the rated current is 25A
  • differential mode inductor DMI is 3.3uH and the rated current is 26A;
  • Integrated package of diode 14 and IGBT15 the manufacturer is ROHM, the model is RGS00TS65E, the rated current is 50A, and the withstand voltage value is: 650V;
  • the preset threshold can be set at 900V, and two series-connected DC bus capacitor units are equipped.
  • the withstand voltage of a single bus capacitor unit is 630V. , therefore, the withstand voltage value of the DC bus capacitor unit reaches 1260V; and an IPM module with a withstand voltage value of 1200V is selected; these are conventional technical choices that those skilled in the art can make based on the content recorded in this application, and these are not included in this article. Specially limited content of the application.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Inverter Devices (AREA)

Abstract

Un procédé de protection de circuit basé sur un condensateur à barre omnibus pour courant continu, et un système de commande pour un dispositif de commande embarqué sont divulgués dans la présente invention. Une diode est connectée entre un filtre de puissance et une électrode positive ou une électrode négative d'un condensateur à barre omnibus pour courant continu, et un tube de commutation entraîné par une MCU est également connecté de manière inverse en parallèle entre une électrode positive et une électrode négative de la diode, lorsqu'un moteur électrique n'est pas en fonctionnement, le tube de commutation étant dans un état mis hors tension ; lorsque le moteur électrique fonctionne et que la tension du condensateur à barre omnibus pour courant continu ne dépasse pas une valeur de seuil prédéfinie, le tube de commutation étant dans un état mis hors tension ; et, lorsqu'il est identifié que la tension du condensateur à barre omnibus pour courant continu dépasse la valeur de seuil prédéfinie, le tube de commutation étant mis en tension, et de l'énergie de champ électrique stockée dans le condensateur à barre omnibus pour courant continu étant dégagée vers une source d'alimentation en courant continu. Au moyen de la présente invention, le problème de résonance est évité d'une manière fiable, et la durée de vie et la fiabilité du circuit dans la présente demande sont également assurées au moyen d'une solution simple, fiable et à faible coût.
PCT/CN2022/133858 2022-03-21 2022-11-24 Procédé de protection de circuit basé sur un condensateur à barre omnibus pour courant continu, et système de commande pour un dispositif de commande embarqué WO2023179066A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020247028681A KR20240140149A (ko) 2022-03-21 2022-11-24 Dc 버스 커패시터 기반의 회로 보호 방법, 차량 제어기 제어 시스템

Applications Claiming Priority (2)

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CN202210281544.4A CN114583936A (zh) 2022-03-21 2022-03-21 基于直流母线电容的电路保护方法、车载控制器控制系统
CN202210281544.4 2022-03-21

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CN114583936A (zh) * 2022-03-21 2022-06-03 无锡雷利电子控制技术有限公司 基于直流母线电容的电路保护方法、车载控制器控制系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004166359A (ja) * 2002-11-12 2004-06-10 Mitsubishi Electric Corp 高調波抑制回路
CN103633722A (zh) * 2013-11-14 2014-03-12 哈尔滨工程大学 最大充放电电流快速无超调切换控制电路及其控制方法
CN107611960A (zh) * 2017-09-04 2018-01-19 上海市质量监督检验技术研究院 一种基于直流微网技术的分布式电源能量管理系统
CN109889074A (zh) * 2019-04-11 2019-06-14 美的集团武汉制冷设备有限公司 驱动控制电路和家电设备
CN113572353A (zh) * 2021-07-16 2021-10-29 浙江国研智能电气有限公司 一种双向Boost变换器、控制系统及控制方法
CN114583936A (zh) * 2022-03-21 2022-06-03 无锡雷利电子控制技术有限公司 基于直流母线电容的电路保护方法、车载控制器控制系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8860379B2 (en) * 2011-04-20 2014-10-14 GM Global Technology Operations LLC Discharging a DC bus capacitor of an electrical converter system
JP2011160656A (ja) * 2011-05-24 2011-08-18 Mitsubishi Electric Corp 直流電源装置
FR3015802B1 (fr) * 2013-12-23 2016-02-05 Evtronic Bloc d'alimentation electrique compact et modulaire, multi-convertisseurs, notamment pour bornes de recharge rapide de vehicules electriques
CN106505527A (zh) * 2016-12-19 2017-03-15 广东美的制冷设备有限公司 电机驱动保护装置、过压保护方法及变频空调器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004166359A (ja) * 2002-11-12 2004-06-10 Mitsubishi Electric Corp 高調波抑制回路
CN103633722A (zh) * 2013-11-14 2014-03-12 哈尔滨工程大学 最大充放电电流快速无超调切换控制电路及其控制方法
CN107611960A (zh) * 2017-09-04 2018-01-19 上海市质量监督检验技术研究院 一种基于直流微网技术的分布式电源能量管理系统
CN109889074A (zh) * 2019-04-11 2019-06-14 美的集团武汉制冷设备有限公司 驱动控制电路和家电设备
CN113572353A (zh) * 2021-07-16 2021-10-29 浙江国研智能电气有限公司 一种双向Boost变换器、控制系统及控制方法
CN114583936A (zh) * 2022-03-21 2022-06-03 无锡雷利电子控制技术有限公司 基于直流母线电容的电路保护方法、车载控制器控制系统

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