The invention provides a three-phase rectifier, and relates to the technical field of three-phase AC-DC converters. The three-phase rectifier comprises a phase A, a phase B and a phase C, each phase comprises n converter modules, alternating current inputs of the n converter modules of each phase are connected in parallel, direct current outputs of the first to nth converter modules of each phase are respectively connected in parallel, and the phase A, the phase B and the phase C are connected in parallel to serve as first to nth sub-combinations of the direct current output. The first to n-th sub-combinations of the DC output may be connected together in a selected pattern to produce a selected range of total output DC voltage, where the range of total output DC voltage is substantially unaffected by AC frequency ripple, and the converter module may be implemented without electrolytic output capacitance. The three-phase rectifier is suitable for high-power applications such as electric vehicle rapid chargers.
本发明提供一种三相整流器,涉及三相AC‑DC转换器技术领域。本发明的三相整流器包括A、B、C三相,每相包括n个转换器模块,每相的n个转换器模块的交流输入并联在一起,各相的第1至第n个转换器模块的直流输出分别并联在一起,A、B和C并联在一起作为直流输出的第一至第n子组合。直流输出的第一至第n子组合可以以选定的模式连接在一起以产生选定范围的总输出直流电压,其中总输出直流电压的范围基本上不受交流倍频纹波的影响,并且转换器模块是可以在没有电解输出电容的情况下实现的。三相整流器适用于电动汽车快速充电器等高功率应用。
Three-phase rectifier
三相整流器
2024-05-31
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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