Half-wave drive circuit for meter disconnect switch

Details Half-wave drive circuit for meter disconnect switch Half-wave drive circuit for meter disconnect switch

1997-12-03

1998-11-10

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

361170, 361157, 361189, 307116, 307130, 307131, H01H 4726

Patent

active

058353313

ABSTRACT:
A very low cost method of driving the coil of a meter disconnect switch utilizes the 60 Hz signals from an existing power supply rectifier to generate properly phased gate drive signals to SCRS, with only one stage of isolation.

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patent: 5045969 (1991-09-01), Menasco
patent: 5486972 (1996-01-01), Taylor
patent: 5537029 (1996-07-01), Hemminger et al.
patent: 5544089 (1996-08-01), Hemminger et al.
patent: 5548527 (1996-08-01), Hemminger et al.
patent: 5555508 (1996-09-01), Munday et al.
patent: 5621629 (1997-04-01), Hemminger et al.
patent: 5631843 (1997-05-01), Munday et al.

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