The invention provides a traction inverter, which comprises a box body and a power unit, a plurality of mutually isolated cavities are arranged in the box body, the power unit comprises a first power module and a second power module, and the first power module and the second power module are respectively positioned in different cavities; the first power module comprises at least two first power assemblies which are connected with each other, the second power module comprises at least two second power assemblies which are connected with each other, each first power assembly is connected with each second power assembly, and the first power assemblies and the second power assemblies are used for jointly driving at least four traction motors. According to the traction inverter provided by the embodiment of the invention, the direct current and alternating current conversion capability of the power unit in the traction inverter can be improved, and the damage rate of the power unit caused by overload is reduced, so that the damage rate of the traction inverter is reduced.
本申请提供一种牵引逆变器,包括箱体和功率单元,箱体内具有多个相互隔离的腔室,功率单元包括第一功率模块和第二功率模块,第一功率模块和第二功率模块分别位于不同的腔室内;第一功率模块包括至少两个相互连接的第一功率组件,第二功率模块包括至少两个相互连接的第二功率组件,且各第一功率组件与各第二功率组件连接,第一功率组件和第二功率组件用于共同驱动至少四个牵引电机。本申请实施例的牵引逆变器,能够提高牵引逆变器内功率单元的直交流电的转化能力,降低功率单元因过载而导致的损坏率,从而降低牵引逆变器的损坏率。
Traction inverter
牵引逆变器
2022-11-15
Patent
Elektronische Ressource
Chinesisch
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 / H05K PRINTED CIRCUITS , Gedruckte Schaltungen |
Transistor-inverter traction drives
Tema Archiv | 1981
|Controllers for traction inverter drives
Tema Archiv | 1989
|VEHICULAR TRACTION INVERTER TEMPERATURE CONTROL SYSTEM
Europäisches Patentamt | 2019
|