Title:
OPTIMISATION OF DIRECT-CURRENT MOTORS DURING ARMATURE REWINDING
Document Type and Number:
WIPO Patent Application WO/2012/080060
Kind Code:
A3
Abstract:
The invention relates to a method for optimising a direct-current motor as part of an armature rewinding. In order to optimise the direct-current motor beyond the scope of known solutions, a method of this type proposes an increase in the copper cross-section (2) of the windings (1) and a reduction in the thickness (3) of the insulating material. A compole flux and a winding geometry are adjusted in accordance with a new winding calculation, whilst maintaining the slot cross-section, in such a way that the commutation time remains the same as before the optimisation process.
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Inventors:
HERRMANN MARKO (DE)
WOLF POZZO CHRISTIAN ANDREAS (DE)
WOLF POZZO CHRISTIAN ANDREAS (DE)
Application Number:
PCT/EP2011/072091
Publication Date:
July 04, 2013
Filing Date:
December 07, 2011
Export Citation:
Assignee:
SIEMENS AG (DE)
HERRMANN MARKO (DE)
WOLF POZZO CHRISTIAN ANDREAS (DE)
HERRMANN MARKO (DE)
WOLF POZZO CHRISTIAN ANDREAS (DE)
International Classes:
H02K23/26; H02K3/32
Foreign References:
| GB2209631A | 1989-05-17 | |||
| DE1976680U | 1968-01-11 |
Other References:
"The Effect of Repair/REwinding on motor efficiency", INTERNET CITATION, 1 January 2003 (2003-01-01), pages I - IV,1, XP002665354, Retrieved from the Internet [retrieved on 20111207]
Attorney, Agent or Firm:
SIEMENS AKTIENGESELLSCHAFT (München, DE)
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