Device for removing inverter noise

Details Device for removing inverter noise Device for removing inverter noise

2006-08-01

2006-08-01

Vu, Bao Q. (Department: 2838)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

C363S044000, C361S328000

Reexamination Certificate

active

07085144

ABSTRACT:
In a device for removing inverter noise, a pair of bus bars extending in parallel are grounded via a pair of capacitors. The capacitors are connected to the bus bars and to a grounding terminal at positions symmetrical to the pair of bus bars. Therefore, the inductance components are balanced from the source of noise to the grounded point, and impedance components are decreased from the two bus bars to a point grounded through the capacitors, making it possible to effectively remove high-frequency noise on the DC bus line of the inverter without requiring a large amount of space.

REFERENCES:
patent: 4401844 (1983-08-01), Fleuret
patent: 5875091 (1999-02-01), Rieken
patent: 6404297 (2002-06-01), Cherniski et al.
patent: 2000-315929 (2000-11-01), None

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