Ground loop elimination

Details Ground loop elimination Ground loop elimination

1997-06-24

1999-11-16

Sterrett, Jeffrey

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363126, H02M 114

Patent

active

059869003

ABSTRACT:
The inventor has created several power supplied to eliminate or greatly reduce the ground loop problem. The inventor has discovered that the ground loop distortion is caused by the switching from positive to negative in alternating current. What the inventor has found is that just placing a diode across the two terminals of a power supply works to eliminate distortion and the ground loop problem. In the two simplest power supplies, the inventor has places a diode across the output from a half wave inverter. This helps to eliminate the ground loop problem and other distortion. The inventor also shows three other more complicated designs for power supply which include diodes and capacitors.

REFERENCES:
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patent: 4471423 (1984-09-01), Hase
patent: 4555751 (1985-11-01), Koga et al.
patent: 4819145 (1989-04-01), Maeba
patent: 4903186 (1990-02-01), Pullen
patent: 5172308 (1992-12-01), Tohya
patent: 5422804 (1995-06-01), Clark
patent: 5644263 (1997-07-01), Clark

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