Title:
ELECTRIC MOTOR CONTROL
Document Type and Number:
WIPO Patent Application WO/2013/156793
Kind Code:
A3
Abstract:
A drive system for a motor 2 comprises a drive stage 15, control means16 arranged to control operation of the drive stage to control the drive current to the motor 2, and sensing means 30 arranged to generate a temperature output indicative of the temperature of a stationary component of the system. The control means is further arranged to derive from a current indicator, indicative of at least a component of the drive current, and the temperature output,a rotor temperature indicator indicative of the temperature of the motor rotor.
Inventors:
SCOTSON PETER GEOFFREY (GB)
Application Number:
PCT/GB2013/051003
Publication Date:
June 26, 2014
Filing Date:
April 19, 2013
Export Citation:
Assignee:
TRW LTD (GB)
International Classes:
H02P6/00; H02P29/00; H02P29/02
Foreign References:
| US20110181217A1 | 2011-07-28 | |||
| EP1286456A1 | 2003-02-26 | |||
| US20050029975A1 | 2005-02-10 | |||
| US20060250154A1 | 2006-11-09 | |||
| US20090033260A1 | 2009-02-05 | |||
| US20100012408A1 | 2010-01-21 |
Other References:
See also references of EP 2842224A2
Attorney, Agent or Firm:
BARKER BRETTELL LLP (EdgbastonBirmingham, West Midlands B16 8QQ, GB)
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