Ground fault detection circuit
US6188203A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1997 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Aug 18, 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.