- variable speed dc motor
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(электро)двигатель постоянного тока с регулированием частоты вращения
Англо-русский словарь технических терминов. 2005.
variable speed dc motor
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Variable frequency transformer — A variable frequency transformer is used to transmit electricity between two asynchronous alternating current domains. The VFT is a relatively recent development (first deployed in 2004). Most grid interties use high voltage direct current… … Wikipedia
