| 摘要 |
FIELD: electrical engineering. ^ SUBSTANCE: in forward converter, comprising the first (2) electronic key with control input, connected between the first (11) input lead of forward converter and the first output of the first transformer (8) primary winding (81), between the second output of which and the second (12) input lead of forward converter there is the second (12) electronic key connected, control input of which is connected to output of control unit (11), connection point of the second (12) electronic key to the second output of the first transformer (8) primary winding (81) is connected via directly connected first (4) diode to the first (11) input lead of forward converter, the second (12) input lead of which is connected via directly connected second (13) diode to connection point of the first (2) electronic key and the first output of primary winding (8) of the first transformer (8), the first and second outputs of secondary winding (82) of which via rectifier (9) and LC-filter (10) are connected accordingly to the first (141) and second (142) output leads of forward converter, the second (7) transformer, the first (5), second (6) and third (3) resistors are introduced. ^ EFFECT: improved reliability of forward converter by simplification of control unit. ^ 1 dwg |
