STEADY – STATE PERFORMANCE OF INDUCTION AND TRANSFER FIELD MOTORS – A COMPARISON
DOI:
https://doi.org/10.4314/njt.342.952Keywords:
Steady – state, pull-out torque, half-speed, asynchronous mode, induction motor, transfer-field motorAbstract
This paper presents the steady–state performance comparison between polyphase induction motor and polyphase TF motor operating in the asynchronous mode. It is shown graphically that a p-pole TF motor in operation is similar to an induction motor with 2p poles and hence its synchronous speed is limited to one-half (?/2) of that of an induction motor. Additionally the pull-out torque of TF motor is inferior to that of an induction motor of the same dimensions, being less than ¼ of that of an equivalent induction motor on account of its higher leakage reqactance and in particular, the quadrature axis reactance.
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