Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Patent
1997-06-30
1999-06-01
Sterrett, Jeffrey
Electric power conversion systems
Current conversion
With condition responsive means to control the output...
363126, H02M 706
Patent
active
059093650
ABSTRACT:
An electronic power supply (100) receives power from an AC source (10) and supplies power to a load (20) that is referenced to earth ground (30). Power supply (100) comprises a power converter (200) and a voltage regulator (400). Power converter (200) draws a ground leakage current from AC source (10) and is capable of providing a steady-state output current having an average value that is greater than that of the ground leakage current. Voltage regulator (400) limits the output voltage of the power converter (200) to a predetermined level. In a preferred embodiments power converter (200) is implemented as a self-oscillating converters and power supply (100) draws a ground leakage current that is sufficiently small to meet regulatory limits and to avoid tripping of conventional ground-fault interrupters.
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Merwin Jeffrey D.
Stephens Dennis L.
Cunningham Gary J.
Labudda Kenneth D.
Motorola Inc.
Sterrett Jeffrey
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