Active centerpoint power bus balancing system

Patent No. 8,300,441

Issued: October 30, 2012
Filed: May 4, 2010

Inventor: Charych; Arthur (Setauket, NY)
Assignee: BC Systems, Inc (Setauket, NY)

An active centerpoint bus balancing system which actively maintains centerpoint voltage balance of the output capacitors in a power supply having a multi-level voltage output. The centerpoint voltage balance is maintained by a novel control circuit which efficiently transfers charge from one capacitor to the other capacitor so as to maintain the same voltage on each output capacitor. The centerpoint voltage balance minimizes the effect of loading conditions. It operates even with no load, and allows severe load unbalance on the two output capacitors without creating voltage unbalance.

Reference to Related Applications

This application claims one or more inventions which were disclosed in Provisional Application No. 61/175,110, filed May 4, 2009, entitled "ACTIVE CENTERPOINT POWER BUS BALANCING SYSTEM". The benefit under 35 USC .sctn.119(e) of the United States provisional application is hereby claimed, and the aforementioned application is hereby incorporated herein by reference.

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