Electric power converter

Details Electric power converter Electric power converter

1998-03-06

2000-07-04

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 53, 363 56, 363127, 363132, 363 40, 363 44, H02M 545, H02M 318, H02M 112, H02M 7537

Patent

active

060847859

ABSTRACT:
An electric power converter having an AC input and AC output, and comprising a power rectifier and a power inverter having a DC three-wire circuit, wherein means for detecting a current or a voltage is connected between the AC power source and ground. When a current or a voltage is detected, an alarm is produced or the apparatus is halted. This makes it possible to judge whether the power inverter is in a state capable of producing an excessively large potential.

REFERENCES:
patent: 4734634 (1988-03-01), Kito et al.
patent: 4980812 (1990-12-01), Johnson, Jr. et al.
patent: 5315497 (1994-05-01), Severinsky
patent: 5343079 (1994-08-01), Mohan et al.

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