Patent · US Expired

Device for monitoring the unbalance of the electric power demanded

US4945304A · kind A · utility

4Cited by
4References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 1989
Grant dateJul 31, 1990
Priority date
Expiry dateAug 9, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R27/16
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A device for monitoring the unbalance of the electric power demanded on the conductive lines of an alternating current network of a three-phase internal installation. The device applies to all networks or three-phase installations which serve single-phase type devices in terms of variable number and power.

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