CN112564532A - 基于电动汽车逆变器的单相逆变*** - Google Patents

基于电动汽车逆变器的单相逆变*** Download PDF

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CN112564532A
CN112564532A CN202011484413.3A CN202011484413A CN112564532A CN 112564532 A CN112564532 A CN 112564532A CN 202011484413 A CN202011484413 A CN 202011484413A CN 112564532 A CN112564532 A CN 112564532A
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contactor
phase
permanent magnet
magnet synchronous
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李磊
张雷
张江勇
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Suzhou Lvkon Transmission S&T Co Ltd
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    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • 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
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/022—Synchronous 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
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • 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
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
    • 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
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

本发明提供了基于电动汽车逆变器的单相逆变***，其使得电动汽车在非驱动状态下可输出单向交流电，满足用户在户外的用电需求。第一线路和永磁同步电机的U端之间设置有第一接触器K1，第二线路和永磁同步器的V端之间设置有第二接触器K2，其还包括有单向插座，第一线路相对于第一接触器K1的前端通过第一支路连接第三接触器K3的一端，第三接触器K3的另一端连接至单向插座的第一输入端，第二线路相对于第二接触器K2的前端通过第二支路连接第四接触器K4的一端，第四接触器K4的另一端连接至单向插座的第二输入端，永磁同步电机控制采用矢量控制方法，三相的相电压为相位互差120°的正弦电压。

Description

基于电动汽车逆变器的单相逆变***
技术领域
本发明涉及电动汽车电路结构的技术领域，具体为基于电动汽车逆变器的单相逆变***。
背景技术
伴随着电动汽车的发展，车载用电设备逐渐被应用于汽车，然而现有的电动汽车虽然内置有高压电源，但是由于现在常规电器为单相交流电供电，使得电动汽车在不驱动状态下无法提供单向交流电给用户使用，为此，急需找到对应的解决技术。
发明内容
针对上述问题，本发明提供了基于电动汽车逆变器的单相逆变***，其使得电动汽车在非驱动状态下可输出单向交流电，满足用户在户外的用电需求。
基于电动汽车逆变器的单相逆变***，其技术方案是这样的：其包括高压电源、电机控制器、永磁同步电机，所述永磁同步电机的三相线分别通过独立线路接入IGBT模块的对应三线输出端，所述电机控制器包括控制电路、三个电流传感器、母线电容C以及IGBT模块，IGBT模块包括UH、UL、VH、VL、WH、WL，UH、UL的汇合端通过第一线路接入所述永磁同步电机的U端，第一线路上设置有第一电流传感器A1，VH、VL的汇合端通过第二线路接入所述永磁同步电机的V端，第二线路上设置有第二电流传感器A2，WH、WL的汇合端通过第三线路接入所述永磁同步电机的W端，第二线路上设置有第二电流传感器A3，电流传感器A1、A2、A3采样三相电流后反馈至控制电路，控制电路计算并控制IGBT的开关UH、UL、VH、VL、WH、WL状态，IGBT模块的导通和关断实现电机U、V、W三相的电流控制，其特征在于：所述第一线路和永磁同步电机的U端之间设置有第一接触器K1，所述第二线路和永磁同步器的V端之间设置有第二接触器K2，其还包括有单向插座，所述第一线路相对于第一接触器K1的前端通过第一支路连接第三接触器K3的一端，第三接触器K3的另一端连接至所述单向插座的第一输入端，所述第二线路相对于第二接触器K2的前端通过第二支路连接第四接触器K4的一端，第四接触器K4的另一端连接至所述单向插座的第二输入端，所述永磁同步电机控制采用矢量控制方法，三相的相电压为相位互差120°的正弦电压。
其进一步特征在于：正常驱动时闭合第一接触器K1、第二接触器K2，断开第三接触器K3、第四接触器K4；逆变输出单相交流电时，闭合第三接触器K3、第四接触器K4，断开第一接触器K1、第二接触器K2，控制输出相电压为频率50Hz，幅值127Vrms的正弦电压，则U、V两相的线电压为220Vrms，单相插座可满足一般单相用电需求。
采用本发明后，利用三相逆变器的线电压为正弦电压这一特点，可输出频率50Hz、幅值220Vrms的单相交流电，在原车用逆变器的基础上增加4个接触器，可使电动汽车在非驱动状态下输出单相交流电，满足用户在户外的用电需求。
附图说明
图1为本发明的结构示意框图。
具体实施方式
基于电动汽车逆变器的单相逆变***，见图1：其包括高压电源、电机控制器、永磁同步电机，永磁同步电机的三相线分别通过独立线路接入IGBT模块的对应三线输出端，电机控制器包括控制电路、三个电流传感器、母线电容C以及IGBT模块，IGBT模块包括UH、UL、VH、VL、WH、WL，UH、UL的汇合端通过第一线路接入永磁同步电机的U端，第一线路上设置有第一电流传感器A1，VH、VL的汇合端通过第二线路接入永磁同步电机的V端，第二线路上设置有第二电流传感器A2，WH、WL的汇合端通过第三线路接入永磁同步电机的W端，第二线路上设置有第二电流传感器A3，电流传感器A1、A2、A3采样三相电流后反馈至控制电路，控制电路计算并控制IGBT的开关UH、UL、VH、VL、WH、WL状态，IGBT模块的导通和关断实现电机U、V、W三相的电流控制，第一线路和永磁同步电机的U端之间设置有第一接触器K1，第二线路和永磁同步器的V端之间设置有第二接触器K2，其还包括有单向插座，第一线路相对于第一接触器K1的前端通过第一支路连接第三接触器K3的一端，第三接触器K3的另一端连接至单向插座的第一输入端，第二线路相对于第二接触器K2的前端通过第二支路连接第四接触器K4的一端，第四接触器K4的另一端连接至单向插座的第二输入端，永磁同步电机控制采用矢量控制方法，三相的相电压为相位互差120°的正弦电压。
正常驱动时闭合第一接触器K1、第二接触器K2，断开第三接触器K3、第四接触器K4；逆变输出单相交流电时，闭合第三接触器K3、第四接触器K4，断开第一接触器K1、第二接触器K2，控制输出相电压为频率50Hz，幅值127Vrms的正弦电压，则U、V两相的线电压为220Vrms，单相插座可满足一般单相用电需求。
其工作原理如下，利用三相逆变器的线电压为正弦电压这一特点，可输出频率50Hz、幅值220Vrms的单相交流电，在原车用逆变器的基础上增加4个接触器，可使电动汽车在非驱动状态下输出单相交流电，满足用户在户外的用电需求。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (2)

1.基于电动汽车逆变器的单相逆变***，其包括高压电源、电机控制器、永磁同步电机，所述永磁同步电机的三相线分别通过独立线路接入IGBT模块的对应三线输出端，所述电机控制器包括控制电路、三个电流传感器、母线电容C以及IGBT模块，IGBT模块包括UH、UL、VH、VL、WH、WL，UH、UL的汇合端通过第一线路接入所述永磁同步电机的U端，第一线路上设置有第一电流传感器A1，VH、VL的汇合端通过第二线路接入所述永磁同步电机的V端，第二线路上设置有第二电流传感器A2，WH、WL的汇合端通过第三线路接入所述永磁同步电机的W端，第二线路上设置有第二电流传感器A3，电流传感器A1、A2、A3采样三相电流后反馈至控制电路，控制电路计算并控制IGBT的开关UH、UL、VH、VL、WH、WL状态，IGBT模块的导通和关断实现电机U、V、W三相的电流控制，其特征在于：所述第一线路和永磁同步电机的U端之间设置有第一接触器K1，所述第二线路和永磁同步器的V端之间设置有第二接触器K2，其还包括有单向插座，所述第一线路相对于第一接触器K1的前端通过第一支路连接第三接触器K3的一端，第三接触器K3的另一端连接至所述单向插座的第一输入端，所述第二线路相对于第二接触器K2的前端通过第二支路连接第四接触器K4的一端，第四接触器K4的另一端连接至所述单向插座的第二输入端，所述永磁同步电机控制采用矢量控制方法，三相的相电压为相位互差120°的正弦电压。
2.如权利要求1所述的基于电动汽车逆变器的单相逆变***，其特征在于：正常驱动时闭合第一接触器K1、第二接触器K2，断开第三接触器K3、第四接触器K4；逆变输出单相交流电时，闭合第三接触器K3、第四接触器K4，断开第一接触器K1、第二接触器K2，控制输出相电压为频率50Hz，幅值127Vrms的正弦电压，则U、V两相的线电压为220Vrms，单相插座可满足一般单相用电需求。
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