Device for compensating the DC offset of a converter using a con

Details Device for compensating the DC offset of a converter using a con Device for compensating the DC offset of a converter using a con

1997-09-29

1999-02-09

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

H02M 748

Patent

active

058702970

ABSTRACT:
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.

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