An electric motor assembly configured for use in a downhole pumping system includes a plurality of stator coils. Each of the plurality of stator coils includes magnet wire that has an insulator surrounding a conductor. In preferred embodiments, the insulator is manufactured from a material selected from the group consisting of polyether ketone and polyether ketone ether ketone ketone.
https://app.acclaimip.com/pdf/KCI9UIdlU-ewIj01YmVT69uLqNLThRrOn0798Ck/US20140145530A1
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