インバータが発生するコモンモード電圧を相殺可能な パッシブコモンノイズキャンセラ

DOI Web Site 被引用文献2件 参考文献16件

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  • Passive Common-Noise Canceller for Cancelling the Common-Mode Voltage Generated by Inverters

説明

<p>This paper proposes a passive common-noise canceller (PCC) capable of cancelling the common-mode voltage generated by voltage source inverters. The proposed canceller is characterized by its simple circuit configuration consisting of only passive elements; three common-mode transformers and Y-capacitors are used. The basic principle and characteristics of the PCC are described in this paper. Two prototypes, i.e., a through-type PCC and a wound-type PCC, are constructed and tested. The experimental results with a voltage source PWM inverter using SiC-MOSFETs show that the two PCCs can suppress the CM voltage even in a frequency band up to several MHz, and that iron losses in the magnetic core can cause a temperature rise in the PCCs.</p>

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