Device for locating internal faults in a high-voltage capacitor

Details Device for locating internal faults in a high-voltage capacitor Device for locating internal faults in a high-voltage capacitor

1989-06-27

1990-09-11

Jennings, Derek S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Capacitor protection

361 17, 361 85, 361 87, H02H 716

Patent

active

049567390

ABSTRACT:
A device to locate internal faults in a high-voltage capacitor battery that has a plurality of symmetrically parallel and series-coupled capacitor banks arranged in parallel branches coupled by shunt branches. The phase angles of the shunt currents flowing in the shunt branches relative to the total current flowing in the parallel branches are determined. A fault is located in one of the capacitor banks based upon these determined phase angles.

REFERENCES:
patent: 3984734 (1976-10-01), Becker

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