Active power conditioner

Details Active power conditioner Active power conditioner

2007-12-21

2009-08-04

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

For reactive power control

Using converter

Reexamination Certificate

active

07570029

ABSTRACT:
An active power conditioner includes a first power electronic switch set, a second power electronic switch set, a third power electronic switch set, an input filter and an output filter. The active power conditioner can supply a stable AC voltage to a load when a voltage variation occurs at an AC power source by controlling either the second power electronic switch set or the third power electronic switch set via high-frequency switching, and the other power electronic switch sets that are not switched in high frequency are controlled to switch in low-frequency switching.

REFERENCES:
patent: 4812669 (1989-03-01), Takeda et al.
patent: 6940188 (2005-09-01), Okuma

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