Automatic sectionalizing system

Details Automatic sectionalizing system Automatic sectionalizing system

1980-04-21

1982-08-17

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Series connected sections with faulty section disconnect

361 84, H02H 726

Patent

active

043452914

ABSTRACT:
This invention relates generally to underground electric power distribution systems. In particular, it relates to underground loop feed circuits which include reclosers and transformers and a plurality of high frequency actuated normally closed isolator switches for automatically locating and sectionalizing portions of the loop circuit in which faults originate. The actuator switches between which a fault occurs are armed in response to a fault current and only those switches which are armed are opened thereby isolating the faulted section of cable. The remaining actuator switches remain closed.

REFERENCES:
patent: 2137865 (1938-11-01), Traver
patent: 2154114 (1939-04-01), Sporn et al.
patent: 2313118 (1943-03-01), Bergvall
patent: 3970898 (1976-07-01), Baumann et al.
patent: 4223365 (1980-09-01), Moran

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