Industry Patents

Patent: 6366062

Method and Apparatus for Electronic Power Control

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Patent Number: 6366062 
Title: Method and Apparatus for Electronic Power Control 
Abstract: The method of the invention in one aspect involves electronic power control by varying the amplitude of an electrical power supply voltage, independent of frequency, whereby the output frequency will always be the same as the input frequency. An electrical circuit apparatus for accomplishing this function in a preferred embodiment is also disclosed herein. The preferred circuitry of this aspect of the invention uses four solid state switches, such as IGBT's, four diodes, an inductor, input and output filters and novel controlling circuitry. The controller apparatus and methods of the invention may be used to implement all otherwise conventional converter types, buck, boost, and inverting (and duals of these) versions to obtain different regulating characteristics, including galvanic isolation of the output from the input. The inventive methods and devices may be used in power factor correction, voltage and/or current harmonic filtering and neutralization, line and load conditioning, control of power transfer between two power grids, and programmable control of surges, sags, dropouts and most other voltage regulation problems.  
Country of Issue: US 
First Named Inventor: Baretich, Wiegand 
Assignee: MicroPlanet 
Continuation or Divisional of:  
International Classification: G05F 1/613 
US Classification: 323/223 
Issue Date: 04-02-2002 
Filing Date: 03-08-2001 
Application : 09/802809 
Notes:  
Link to Patent at freepatentsonline.com: 6366062 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 6366062 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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