FIELD: electrical engineering. SUBSTANCE: active filter of rectified-current variable component designed for use in dc power transmission devices, electrified transport, industrial and special-purpose rectifiers has series-connected transistorized current amplifier and single-phase transformer operating jointly to ensure desired magnitude and polarity of current for correcting ac component of rectified current; current amplifier is also used to ensure desired output power. EFFECT: enhanced reliability. 1 dwg
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