可変電圧可変周波数制御
1. Variable-frequency driveA variable-frequency drive (VFD) (also termed adjustable-frequency drive, variable-speed drive, AC drive, micro drive or inverter drive) is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.
Read “Variable-frequency drive” on English Wikipedia
Read “可変電圧可変周波数制御” on Japanese Wikipedia
Read “Variable-frequency drive” on DBpedia
Read “Variable-frequency drive” on English Wikipedia
Read “可変電圧可変周波数制御” on Japanese Wikipedia
Read “Variable-frequency drive” on DBpedia
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