Patent · US Expired

System for error-protected operation of multipanel, power distribution network switches

US4507703A · kind A · utility

14Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 1983
Grant dateMar 26, 1985
Priority date
Expiry dateJul 22, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02H11/008
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An arrangement for generating in each switching panel of a multipanel switching facility of an electrical power distribution network a digital operating-state image derived from command inputs and switching position signals. The digital operating state image is transmitted to a collecting memory arranged in a coupling panel which produces an overall image of all switching panels; which overall image is transmitted to the individual switching panels at periodic time intervals. A checking procedure is then conducted in the individual switching panels using the overall image. The arrangement utilizes microprocessors which are coupled to one another so as to exchange data via several transmission paths which are one-bit wide. This arrangement obviates the need for an interlock cable harness in the switching panels and cross-cabling between the switching panels.

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