摘要 |
FIELD: electrical engineering; converter engineering; voltage regulators for converter transformers. SUBSTANCE: ac voltage regulator has transformer one of whose windings has main and regulating parts; switching unit is connected to one of taps of regulating part and also to reactor and to transformer lead; according to invention, additional switching unit similar to main one is connected to extreme tap of regulating part as well as to main switching unit and to transformer lead; reactor is inserted in central tap circuit of regulating part. EFFECT: enlarged functional capabilities, simplified design, and improved reliability of device. 1 dwgl
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