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|Title:||Rotor-position estimation for induction machines at zero and low frequency utilizing zero-sequence currents|
|Authors:||Spiteri Staines, Cyril|
Asher, Greg M.
|Keywords:||Electric machinery, Induction|
Electric machinery -- Rotors
|Publisher:||Institute of Electrical and Electronics Engineers|
|Citation:||Spiteri Staines, C., Asher, G. M., & Sumner, M. (2004). Rotor position estimation for induction machines at zero and low frequency utilising zero sequence currents. Industry Applications Conference, 2004 - 39th IAS Annual Meeting, Seattle, USA. 105-112.|
|Abstract:||This paper considers the position and speed estimation at low- and zero-frequency operations in standard deltaconnected cage induction machines (IMs). A rotor-slot detection technique is used, where test vectors are injected during the pulsewidth-modulation (PWM) periods and the resulting zerosequence- current derivatives (ZSCDs) are measured using a nonintegrating Rogowski coil. The rotor slotting in a near-standard 30-kW symmetric IM is utilized for rotor-position tracking. The rotor-slot number was selected to yield a measurable “position-dependent” ZSC. Experimental results show the variation of the measured current signals with rotor position and how these are used for tracking of the rotor position.|
|Appears in Collections:||Scholarly Works - FacEngIEPC|
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