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Patent Searching and Data


Title:
FAULT TOLERANT POWER SUPPLY CIRCUIT
Document Type and Number:
WIPO Patent Application WO2003017452
Kind Code:
A3
Abstract:
A fault current tolerant power supply circuit having a dc power source and switching devices for inverting dc current from the source into ac load current includes a protective circuit for protecting the switching devices from overvoltage conditions when an inductive load is short-circuit to protect non-conducting switching devices from an overvoltage condition.

Inventors:
NADOT VLADIMIR V
FISHMAN OLEG S
Application Number:
US0225423W
Publication Date:
March 04, 2004
Filing Date:
August 12, 2002
Export Citation:
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Assignee:
INDUCTOTHERM CORP.
International Classes:
H02M1/34; H02M7/519; H03K17/0814; (IPC1-7): H02M3/315; H02M3/24; H02M5/42; H02M7/44; H02M7/68; H02M7/515; H02M7/521; H02H7/122
Foreign References:
US4570212A1986-02-11
US4922401A1990-05-01
US5027264A1991-06-25
US5047913A1991-09-10
Other References:
See also references of EP 1423905A2
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