The invention discloses an integrated electric automobile electric energy conversion device and a control method thereof, and belongs to the field of electric automobiles, the device has a motor driving mode and a grid-connected mode, and the device comprises an inverter circuit, a magnetic integrated coupling inductor, an alternating current filter capacitor module, a motor interface module, a power grid interface module and a control module; only in the motor driving mode, the motor interface module enables a three-phase motor to be connected with the device; only in the grid-connected mode,the power grid interface module enables a three-phase power grid to be connected with the device; the inverter circuit is used for generating a required driving voltage in a motor driving mode and generating a required control voltage in the grid-connected mode; and the magnetic integrated coupling inductor is used for suppressing high-frequency circulating current between inverters in the motordriving mode and carrying out current filtering together with the alternating-current filtering capacitor module in the grid-connected mode. According to the invention, on the premise of ensuring highintegration level, the device does not influence the motor during grid connection, and meanwhile, the electric energy quality is improved.
本发明公开了一种集成式电动汽车电能变换装置及其控制方法,属于电动汽车领域,该装置具有电机驱动模式和并网模式,装置包括:逆变电路、磁集成式耦合电感、交流滤波电容模块、电机接口模块、电网接口模块以及控制模块;仅在电机驱动模式下,电机接口模块使三相电机与装置相连;仅在并网模式下,电网接口模块使三相电网与装置相连;逆变电路用于在电机驱动模式中生成所需的驱动电压,并在并网模式中生成所需的控制电压;磁集成式耦合电感用于在电机驱动模式中抑制逆变器之间的高频环流,并在并网模式中与交流滤波电容模块共同进行电流滤波。本发明能够在保证高集成度的前提下,使得装置在并网时不会对电机产生任何影响,同时提高电能质量。
Integrated electric automobile electric energy conversion device and control method thereof
一种集成式电动汽车电能变换装置及其控制方法
2020-08-21
Patent
Electronic Resource
Chinese
IPC: | 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 , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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