Subsynchronous relay

Details Subsynchronous relay Subsynchronous relay

1974-03-19

1976-03-16

Schaefer, Robert K.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

317138, H01H 8300

Patent

active

039448460

ABSTRACT:
A relay for detecting sustained subsynchronous current on a power system. The relay includes a filter network for separating subsynchronous current from synchronous current and a detector network for measuring the detected subsynchronous current.

REFERENCES:
patent: 3144590 (1964-08-01), Sharp et al.
G.E. Publication GET-7280, Switchgear Protective Relays, 9/70, pages all.

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