Ground-safety controller

Details Ground-safety controller Ground-safety controller

1990-05-07

1992-04-14

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 49, H02H 314

Patent

active

051053250

ABSTRACT:
A ground-safety controller circuit containing a thyristor that senses grounding of electrical equipment and enables interruption of power to the equipment.

REFERENCES:
patent: 3290668 (1963-08-01), Perretta
patent: 3996496 (1976-12-01), Volk, Jr.
patent: 4034267 (1977-07-01), Wilson
patent: 4093977 (1978-06-01), Wilson
patent: 4234900 (1980-11-01), Miyazaki et al.
patent: 4344100 (1982-08-01), Davidson et al.
patent: 4580186 (1986-04-01), Parker et al.
patent: 4598331 (1986-07-01), Legatti
patent: 4709293 (1987-11-01), Gershen
patent: 4829289 (1989-05-01), Kallman et al.
patent: 4855860 (1989-08-01), Nilssen

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