16-06-2015 дата публикации
Номер: KR1020150066379A
Принадлежит:
A synchronous rectifier circuit of a three-phase step down resonant type according to the present invention, connected to a resonant circuit unit in which three-phase alternating current power sources (Va, Vb, Vc) includes each of reactors (La ,Lb, Lc) and capacitors (Ca, Cb, Cc), wherein the resonant circuit unit comprises a circuit connected to a neutral point of top diodes (D1, D2, D3) and bottom diodes (D4, D5, D6) of a three-phase diode bridge rectifier unit, is configured in that: a first switching element (Q1) is connected to an anode unit of the top diodes (D1, D2, D3) of the three-phase diode bridge rectifier unit, and a second switching element (Q2) is connected to a cathode unit of the bottom diodes (D4, D5, D6); a series connection of first and second capacitors (C1, C2), a series connection of third and fourth capacitors (C3, C4) and a series connection of first and second diodes (D7, D8) are parallel-connected to the three-phase diode bridge rectifier unit, respectively; the ...
Подробнее