Power supply device

Details Power supply device Power supply device

H - Electricity

02

M

321/23, 315/37

H02M 5/458 (2006.01) H05B 41/24 (2006.01) H05B 41/292 (2006.01) H02M 7/5383 (2006.01)

Patent

CA 1163320

- 14 - Abstract of the Disclosure An output transformer for an inverter driven by a pulsating voltage obtained through the full wave rec- tification of a low frequency alternating current voltage is provided with an auxiliary winding, and a high frequency voltage obtained from the auxiliary winding is rectified to obtain a voltage for charging a capacitor. The voltage across the capacitor is used as an auxiliary voltage together with the pulsating voltage for driving the inverter. The circuit for charging the capacitor includes a current limiting inductor having first and second coil sections, through which the charging current flows alternately in opposite direc- tions depending upon the polarity of the high frequency voltage.

372598

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