Active compensation device

Details Active compensation device Active compensation device

2006-11-22

2010-02-16

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

Using semiconductor-type converter

C323S207000

Reexamination Certificate

active

07663899

ABSTRACT:
The present invention provides an active compensation device that is connected between a power system and a non-linear load in parallel for providing an instantaneous compensation current for the non-linear load. The active compensation device comprises an electricity-storing unit, a bridge switching unit, and a controlling unit. The bridge switching unit is connected electrically with the electricity-storing unit for charging or discharging the electricity-storing unit; the controlling unit is used to produce control signals to switch the bridge switching unit. The electricity-storing performs a dual-direction current operation by means of switching the bridge switching unit to compensate the power system so as to increase instantaneously the current capacity.

REFERENCES:
patent: 5321598 (1994-06-01), Moran
patent: 5751138 (1998-05-01), Venkata et al.
patent: 6982546 (2006-01-01), Wu et al.
patent: 7091704 (2006-08-01), Chou et al.
patent: 2005/0207197 (2005-09-01), Chou et al.

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