Compound lightning arrester for low voltage circuit

Details Compound lightning arrester for low voltage circuit Compound lightning arrester for low voltage circuit

1992-05-29

1994-02-22

Stephan, Steven L.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361120, 361126, H02H 104

Patent

active

052893359

ABSTRACT:
A low voltage arrester works as a lightning arrester with high energy tolerance. With installation of the lightning arrester on power lines, telephone lines or other signal input lines, all electric apparatus connected to the lines are effectively protected against lightning surges including high energy surges caused by close thunderbolts. The lightning arrester includes two elements connected in parallel. One is a series circuit of a zinc oxide arrester and a non-inductive resistor, and the other element is a spark gap formed of brass electrodes. All the arrester elements are installed in one refractory porcelain case. In order to install the arrester in a limited space and to insure tolerance of high energy surges, the non-inductive resistor uses bifilarly or Ayston-Perry wound Nichrome wire.

REFERENCES:
patent: 3727166 (1973-04-01), Kobayashi
patent: 4152743 (1979-05-01), Comstock
patent: 4174530 (1979-11-01), Kresge et al.
patent: 4652963 (1987-03-01), Fahlen
patent: 4814936 (1989-03-01), Ozawa et al.
"Contrivance of Low-Voltage Multi-Element Lightning Arrester", Kitagawa et al.

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