Voltage converter with filter arrangement

Details Voltage converter with filter arrangement Voltage converter with filter arrangement

1998-08-21

1999-12-07

Han, Y. J.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 47, 363 95, H02M 112

Patent

active

059994231

ABSTRACT:
A voltage converter having a voltage intermediate circuit and an invertor connected to the output of the voltage intermediate circuit. The invertor produces a three-phase AC voltage at its output and is connected to the output terminals of the voltage converter by a filter arrangement. The filter arrangement includes a filter inductor connected in series with the output terminal and the filter capacitor connected between the output terminal and a common capacitor star point. Attenuation of the DC system is achieved by having the capacitor star point connected to the voltage intermediate circuit by way of an RC element having a capacitor and a resistor.

REFERENCES:
patent: 5526252 (1996-06-01), Erdman
patent: 5619079 (1997-04-01), Wiggins et al.

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