Power inverter with optical isolation

Details Power inverter with optical isolation Power inverter with optical isolation

2005-12-06

2005-12-06

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

Including automatic or integral protection means

C363S131000

Reexamination Certificate

active

06972972

ABSTRACT:
An optically isolated power electronic power conversion circuit that includes an input electrical power source, a heat pipe, a power electronic switch or plurality of interconnected power electronic switches, a mechanism for connecting the switch to the input power source, a mechanism for connecting comprising an interconnecting cable and/or bus bar or plurality of interconnecting cables and/or input bus bars, an optically isolated drive circuit connected to the switch, a heat sink assembly upon which the power electronic switch or switches is mounted, an output load, a mechanism for connecting the switch to the output load, the mechanism for connecting including an interconnecting cable and/or bus bar or plurality of interconnecting cables and/or output bus bars, at least one a fiber optic temperature sensor mounted on the heat sink assembly, at least one fiber optic current sensor mounted on the load interconnection cable and/or output bus bar, at least one fiber optic voltage sensor mounted on the load interconnection cable and/or output bus bar, at least one fiber optic current sensor mounted on the input power interconnection cable and/or input bus bar, and at least one fiber optic voltage sensor mounted on the input power interconnection cable and/or input bus bar.

REFERENCES:
patent: 5181026 (1993-01-01), Granville
patent: 6700802 (2004-03-01), Ulinski et al.

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