Protective device for electric distribution system

Details Protective device for electric distribution system Protective device for electric distribution system

1992-12-17

1997-05-06

Wong, Peter S.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Series connected sections with faulty section disconnect

361 63, 361 97, H02H 3093

Patent

active

056277130

ABSTRACT:
A protective device for an electric distribution system capable of providing an easy inspection and confirmation of the setting for the operation characteristics of the device. The device includes an input unit for entering a setting of an operation characteristic of the protective device; a calculation unit for determining the operation characteristic of the protective device according to the setting entered by the input unit; and a display unit for displaying the operation characteristic determined by the calculation unit.

REFERENCES:
patent: 4319298 (1982-03-01), Davis
patent: 4432031 (1984-02-01), Premerland
patent: 4525763 (1985-06-01), Hardy
patent: 4527214 (1985-07-01), Hattori
patent: 4630270 (1986-12-01), Petit et al.
patent: 4797936 (1989-01-01), Nakatsugawa et al.
patent: 4952852 (1990-08-01), Bando
patent: 5019760 (1991-05-01), Chu et al.

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