ac active magnetic bearing
ac active magnetic bearing
交流主动磁轴承
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Because of the emphases research of magnetic bearing at home and abroad is DC active magnetic bearings (AMBs) at present, and the cost of DC power amplifiers is much higher than ac power converters.
目前国内外对磁轴承的研究多为直流式磁轴承，而直流开关功率放大器相对于交流逆变器来说其体积大、功耗大及成本高。
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