The need to limit subharmonics injection

This paper proposes a 0.1% limit for subharmonic voltages. It is shown that the additional temperature rise in the stator winding of a typical induction motors, caused by a 0.1% subharmonic, is about the same as the temperature rise caused by 1.0% voltage imbalance.

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Bibliographic Details
Main Authors: De Abreu, J.P.G., Emanuel, A.E.
Format: Conference Proceeding
Language:English
Subjects:
Aging
Frequency
Furnaces
Guidelines
Impedance
Induction motors
Pulse compression methods
Pulse modulation
Stator windings
Voltage
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Description
Summary:This paper proposes a 0.1% limit for subharmonic voltages. It is shown that the additional temperature rise in the stator winding of a typical induction motors, caused by a 0.1% subharmonic, is about the same as the temperature rise caused by 1.0% voltage imbalance.
DOI:10.1109/ICHQP.2000.897033