Digital protective relaying devices

Details Digital protective relaying devices Digital protective relaying devices

1979-08-10

1982-07-13

Wise, Edward J.

Boots, shoes, and leggings

361 78, 361 87, G06F 1556, H02H 328

Patent

active

043398022

ABSTRACT:
In a digital protective relaying device utilizing a microcomputer for protecting an electric power transmission system, a setting switch is provided for writing the values into the computer after the relaying operation of the protective device is locked by a locking means. The protective values thus set in the computer is indicated on an indicating device under the control of the computer and visually checked by an operator, while the computer always confirming the coincidence of the set values with the indicated values.

REFERENCES:
patent: 4204249 (1980-05-01), Dye et al.
patent: 4218737 (1980-08-01), Buscher et al.
patent: 4219860 (1980-08-01), DePuy
patent: 4224685 (1980-09-01), Sasaki et al.
patent: 4228476 (1980-10-01), Okita et al.

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