Patent · US Expired

Drive overload protection circuit

US5801516A · kind A · utility

42Cited by
15References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1997
Grant dateSep 1, 1998
Priority date
Expiry dateMay 30, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02P2101/30
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A controller for a starter/generator used with an aircraft engine, includes means for monitoring field return current in a generator field winding; means for monitoring generator voltage; and microprocessor control means for adjusting generator field current as a function of the field current and voltage and field return current. The field return current and output voltage monitoring functions allow for open field, field integrity, over voltage, field weakening and torque limiting functions to be realized in an integrated programmable system configuration.

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