Active power filter with input voltage feedforward, output...

Details Active power filter with input voltage feedforward, output... Active power filter with input voltage feedforward, output...

2006-03-28

2006-03-28

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S222000, C363S081000, C363S089000

Reexamination Certificate

active

07019503

ABSTRACT:
Active power filters and methods control and regulate the input current drawn from an electric power bus to a DC level. Load current fluctuations and ripple current reflected back to the electric power bus are significantly reduced or substantially eliminated. A switch mode power converter with a very low bandwidth output voltage regulation control loop uses input voltage feedforward, output load feedforward, and output voltage feedforward to provide a regulated DC input current significantly attenuating input ripple current drawn from the electric power bus.

REFERENCES:
patent: 5777866 (1998-07-01), Jacobs et al.
patent: 6101108 (2000-08-01), Wittenbreder, Jr.
patent: 6259614 (2001-07-01), Ribarich et al.
patent: 6657417 (2003-12-01), Hwang

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