Patent · US Active

Motor driver system and method for controlling motor driver

US7852040B2 · kind B2 · utility

1Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2007
Grant dateDec 14, 2010
Priority date
Expiry dateMar 12, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P21/26
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A motor driver system and its control methods are discussed. Even when a command magnetic flux decreases as a motor operates in a field weakening region, a current angle can be maintained always below a limit value, thereby obtaining the stability of the motor control.

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