Extended output range switching power supply with constant...

Details Extended output range switching power supply with constant... Extended output range switching power supply with constant...

2006-11-28

2006-11-28

Patel, Rajnikant B. (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S049000

Reexamination Certificate

active

07142438

ABSTRACT:
The Invention is a 360 watt bench has an exceptionally wide output range that allows it to replace up to four conventional units. The output voltage can be manually adjusted with coarse and fine controls from zero to 75 volts. At the low voltage end, 60 amps of output current is available up to 6 volts, and beyond that, the power is limited to 400 watts. The power supply can operate in constant voltage or constant current mode, and a current setting control can adjust the maximum current down to zero from the value set by the automatic power limit. The principle may be applied to any power level and combination of voltage and current, and any method of manual or programming control.

REFERENCES:
patent: 3786219 (1974-01-01), Kornrumpf et al.
patent: 5103388 (1992-04-01), Williams et al.
patent: 5345376 (1994-09-01), Nourbakhsh
patent: 5886885 (1999-03-01), Fujie
patent: 6493242 (2002-12-01), Riggio et al.
patent: 6657417 (2003-12-01), Hwang

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