US Patent:
20170179708, Jun 22, 2017
Inventors:
- Rugby, GB
Philip Edgar Crapse STONE - Pittsburgh PA, US
Daniel Francis OPILA - Pittsburgh PA, US
Robert Gregory WAGONER - Salem VA, US
Siddharth PANT - Pittsburgh PA, US
Shrutish DAWANDE - Pittsburgh PA, US
International Classification:
H02H 3/16
G01R 31/02
Abstract:
Provided is a fault isolation apparatus for an inverter configured for coupling to an external power supply. The apparatus includes a plurality of fault detection devices, each configured to (i) complete an electrical path between the inverter and the external power supply and (ii) detect a fault along its respective electrical path. The apparatus also includes a controller configured to instruct the fault detection device to complete its respective electrical path only when the path is devoid of the detected fault.