Fault identification method for inter-turn short circuit of stator windings in doubly-fed motor at sea
A technology for inter-turn short circuit faults and stator windings, which is applied in the direction of motor generator testing, electrical measurement, and electrical variable measurement, and can solve problems such as long maintenance time, difficult maintenance, and large outage losses
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[0045] The principle of the existing Park's vector method, when the ideal three-phase current i A , i B , i C After 3s / 2s transformation to get i α i β , because the ideal three-phase current only contains positive sequence components, the following formula is obtained:
[0046] i α = ( 6 / 2 ) I p s i n ( ω t ) i β = ...
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