Resonance damping apparatus for LC filter of power converter

Details Resonance damping apparatus for LC filter of power converter Resonance damping apparatus for LC filter of power converter

1989-08-29

1990-06-26

Salce, Patrick R.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 47, 333181, H02J 102

Patent

active

049377191

ABSTRACT:
The present invention discloses an apparatus for damping resonance of an LC type low-pass filter provided on the DC input side of a power converter having a DC input terminal. The apparatus comprises an electric circuit connected in parallel to a reactor constituting the LC type low-pass filter. The electric circuit has an impedance which takes a substantially minimum value at a frequency equal to the resonance frequency of the LC type low-pass filter.

REFERENCES:
patent: 4027225 (1977-05-01), Elvin
patent: 4462071 (1984-07-01), Blok
patent: 4768002 (1988-08-01), Cronin

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