Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1991-05-23
1992-12-15
Stephan, Steven L.
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
361117, H02H 100
Patent
active
051722976
ABSTRACT:
An arrestor unit is disposed between the line and earth sides of transmission lines and in parallel with an insulator by way of aerial discharge gap. Arrestor units accommodated in the arrestor unit is activated by reference voltage larger than a nominal line to ground voltage of the lines and less than the overvoltage of sound phase due to single phase ground fault.
REFERENCES:
patent: 3963965 (1976-06-01), Kunkle
patent: 4072998 (1978-02-01), Schei
patent: 4467387 (1984-08-01), Bergh
patent: 4665460 (1987-05-01), Schaff
patent: 4675773 (1987-06-01), Shirakawa et al.
Imakoma Takashi
Nakayama Tetsuya
NGK Insulators Ltd.
Nguyen Matthew
Stephan Steven L.
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