Patent · US Expired

Current sensing transformer assembly

US4591942A · kind A · utility

27Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 1984
Grant dateMay 27, 1986
Priority date
Expiry dateDec 7, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R15/183
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A current sensing transformer useful for sensing overload current with static trip units is fabricated from an inexpensive array of transformer core laminations and a conventional secondary transformer winding. The transformer primary strap is arranged about the secondary winding for improved flux transfer.

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