Power converting apparatus, control method therefor, and...

Details Power converting apparatus, control method therefor, and... Power converting apparatus, control method therefor, and...

2006-07-18

2006-07-18

Patel, Rajnikant B. (Department: 2838)

Electric power conversion systems

Current conversion

Including automatic or integral protection means

C323S906000, C361S049000

Reexamination Certificate

active

07079406

ABSTRACT:
The object is to reliably detect a ground fault of a solar battery. To detect a ground fault position to take an efficient measure against the ground fault, DC power input from a solar battery is converted into AC power and supplied to a system. In a system interconnection inverter (utility connected inverter) having non-insulated input and output, the input voltage of a converter circuit and/or the intermediate voltage between the converter circuit and an inverter circuit are varied to control the potential to ground at each portion of the solar battery to a value other than a value close to zero.

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