Dc/ac power converting apparatus including dc component remover

Details Dc/ac power converting apparatus including dc component remover Dc/ac power converting apparatus including dc component remover

H - Electricity

02

M

321/34

H02M 1/12 (2006.01) H02M 7/48 (2006.01)

Patent

CA 1327992

Abstract to the Disclosure In a DC/AC power converting apparatus, a DC component is removed from an AC output. The DC/AC power converting apparatus includes: a DC source for supplying DC power; a DC/AC inverter circuit for inverting the DC power into AC power; a transformer for transforming the AC power so as to obtain desirable AC power; a detector for detecting an output signal derived from the DC/AC inverter circuit to produce an output detection signal; a calculation circuit for performing a control calculation so as to follow the output detection signal to a reference signal, whereby a first output instruction signal is derived; and, a DC component remover for removing a DC component from the first output instruction signal to derive a second output instruction signal, whereby the inverting operation of the DC/AC inverter circuit is controlled based upon the second output instruction signal so as to prevent DC magnetization of the transformer.

612762

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