H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 1/00 (2006.01) H02M 7/48 (2006.01)
Patent
CA 2216133
A method and a device for correcting the DC offset of a converter are specified. The invention is defined in that the output voltage of the converter on the AC voltage side is fed to an essentially passive low-pass filter which reduces the output voltage to a level which can be processed electronically. Connected downstream of the low-pass filter is a controller which controls the DC offset essentially to zero by delaying the switching commands. The low-pass filter and the controller are arranged at a high-voltage potential.
Dahler Peter
Gaupp Osvin
Abb Schweiz Ag
Asea Brown Boveri Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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