Patent · US Expired

High-voltage systems surge eliminators for transmission lines and distribution station protection

US4743997A · kind A · utility

6Cited by
4References
2Claims
0Family size

Inventor

Key dates

Filing dateDec 22, 1986
Grant dateMay 10, 1988
Priority date
Expiry dateDec 22, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02H9/044
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A high-voltage system surge eliminator for the protection of electric transmission and distribution stations against line and switching transients, atmospheric discharges and other adverse effects including such as those caused by lightning. The eliminator is suitable for the protection of substations and of individual equipment units, selectively, and is applicable to both direct current and alternating current single and multi-phase systems, selectively. Two basic and typical eliminator varieties are shown and described.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.