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Title:
LINE START PERMANENT MAGNET MOTOR
Document Type and Number:
WIPO Patent Application WO/2015/071470
Kind Code:
A1
Abstract:
A downhole electric submersible pump, comprises at least one pump unit having a pump inlet, and an electric motor system to power the pump, the electric motor system comprising an induction motor and permanent magnet motor. The induction motor and permanent magnet motor share a common power supply, connected in series.

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Inventors:
HEAD PHILIP (GB)
Application Number:
PCT/EP2014/074808
Publication Date:
May 21, 2015
Filing Date:
November 17, 2014
Export Citation:
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Assignee:
CORETEQ SYSTEMS LTD (GB)
International Classes:
H02K17/34; E21B43/12
Foreign References:
GB2501352A2013-10-23
US20020066568A12002-06-06
US20020079763A12002-06-27
US20110316468A12011-12-29
Other References:
None
Attorney, Agent or Firm:
HARMAN, Paul (Camberley Surrey GU15 2EG, GB)
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