High speed current limiting system responsive to symmetrical & a

Details High speed current limiting system responsive to symmetrical & a High speed current limiting system responsive to symmetrical & a

1989-03-13

1992-08-04

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 94, 364483, H02H 326

Patent

active

051364590

ABSTRACT:
A method for initiating a rapid current limiting device utilizing a device which integrates the current during a selected time interval. The equivalent RMS current is predicted based on the integration to generate a signal which initiates the current limiting device when the predicted RMS current exceeds a preselected value.

REFERENCES:
patent: 4814935 (1989-03-01), Arinobu et al.
patent: 4827369 (1989-05-01), Saletta et al.

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