| 摘要 |
PROBLEM TO BE SOLVED: To provide a three-phase rectifier instrument wherein a difference in input current between phases can be reduced even if a large current is made to flow. SOLUTION: The three-phase rectifier instrument is constructed of multiple single-phase rectifier units R, S, T and U. The rectifier instrument has an imbalanced single-phase rectifier unit U. Three phases r, s and t are star-connected, and the single-phase rectifier units R, S and T are connected to the respective phases r, s and t so that balance is obtained. The imbalanced single-phase rectifier unit U is connected between a first phase r and a second phase s. COPYRIGHT: (C)2007,JPO&INPIT
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