The invention relates to an absorber circuit arrangement for a traction converter of a rail vehicle, comprising a first rectifier on the grid side, a second rectifier on the load side, a DC voltage intermediate circuit connecting the first rectifier and the second rectifier, and an intermediate circuit capacitor arranged in the DC voltage intermediate circuit, the absorber circuit arrangement comprises a switching device comprising switching cells and an inductor, each switching cell comprising two terminals, at least two power semiconductor switches and a switching cell capacitor and being designed to provide at least two different voltages on the terminals depending on the switching position of the power semiconductor switches, the absorber circuit arrangement further comprises at least one capacitive energy store, which is connected in series to the switching device, and a control device, which is designed to control at least the power semiconductor switches of the switching unit. The invention also relates to a rail vehicle and a method for controlling the absorption circuit device.
本发明涉及一种用于轨道车辆的牵引变流器的吸收回路装置,牵引变流器具有电网侧的第一整流器、负载侧的第二整流器、连接第一整流器和第二整流器的直流电压中间回路以及布置在直流电压中间回路中的中间回路电容,吸收回路装置包括开关装置,该开关装置包括开关单元和电感,每个开关单元包括两个端子、至少两个功率半导体开关和开关单元电容,并且设计用于根据功率半导体开关的开关位置在端子上提供至少两个不同的电压,吸收回路装置还包括至少一个电容式蓄能器,电容式蓄能器与开关装置串联连接,吸收回路装置还包括控制装置,控制装置设计用于至少控制开关单元的功率半导体开关。本发明还涉及一种轨道车辆和一种用于控制吸收回路装置的方法。
Absorption circuit arrangement for traction converter of rail vehicle
用于轨道车辆的牵引变流器的吸收回路装置
2025-01-14
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 |
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