| 摘要 |
The invention relates to autotransformers used notably for converting alternating (AC) electric power into direct (DC) power. And more precisely, to autotransformers designed to be connected to a three-phase voltage supply of given amplitude supplying three first output voltages (C1, C2, C3) of identical amplitudes, and six other output voltages (A1, A2, A3, B1, B2, B3) of the same amplitude as the first three output voltages and divided into pairs symmetrically phase-shifted by 20° relative to the first three output voltages. According to the invention, the output voltages have greater or lesser amplitudes than the amplitude of the three-phase supply.
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