Patent · US Expired

Power factor corrected dual converter motor drive

US4129809A · kind A · utility

7Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 28, 1977
Grant dateDec 12, 1978
Priority date
Expiry dateApr 28, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P7/2815
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A dual converter for use in a static direct current motor drive is operated with circulating current and the circulating current is adjusted by firing angle control to automatically maintain reactive power compensation during varying torque and speed conditions of the load.

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