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|Title:||Sensorless control of induction machines at zero and low frequency using zero sequence currents|
|Authors:||Spiteri Staines, Cyril|
Asher, Greg M.
|Keywords:||Electric machinery, Induction|
Electric machinery -- Alternating current -- Automatic control
|Publisher:||IEEE Industrial Electronics Society|
|Citation:||Staines, C. S., Caruana, C., Asher, G. M., & Sumner, M. (2006). Sensorless control of induction machines at zero and low frequency using zero sequence currents. IEEE Transactions on Industrial Electronics, 53(1), 195-206.|
|Abstract:||This paper considers both flux and rotor position estimations for sensorless control of delta-connected cage induction machines (IMs) at low and zero frequency operation. The variation of leakage inductance due to either saturation or rotor slotting is tracked by measuring the derivative of the zero sequence current in response to the application of appropriate voltage test vectors. The method requires only a single extra sensor. It requires access to machine phase windings and is appropriate for integrated- type induction motor drives. Both a closed-slot and an open-slot machine is used to demonstrate rotor flux and rotor position tracking, respectively. Experimental results are presented showing sensorless torque control and sensorless speed and position control at low and zero frequencies.|
|Appears in Collections:||Scholarly Works - FacEngIEPC|
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