Patent · US Expired

Control apparatus for induction motor

US4532464A · kind A · utility

11Cited by
5References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 27, 1983
Grant dateJul 30, 1985
Priority date
Expiry dateDec 27, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P21/09
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A control apparatus for an induction motor wherein an inverter is connected between a power source and the induction motor so as to energize the induction motor through the inverter, characterized in that when an input voltage of the inverter has lowered, a magnetizing current component command is decreased, while a torque current component command is increased.

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