On-line estimation of the stator resistance of induction machines based on zero-sequence model

On-line estimation of the stator resistance of induction machines based on zero-sequence model

This paper proposes a technique to estimate the stator resistance of induction machines. The stator resistance is obtained by solving a least squares minimization problem, a solution which also provides the value of the leakage inductance. The technique exploits the machine behavior with respect to...

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Bibliographic Details
Published in:IEEE transactions on power electronics Vol. 15; no. 2; pp. 346 - 353
Main Authors: Jacobina, C.B., Filho, J.E.C., Lima, A.M.N.
Format: Journal Article
Language:English
Published: IEEE 01-03-2000
Subjects:
Control systems
Drives
Electronics
Feasibility
Inductance
Induction machines
Jacobian matrices
Least squares method
Least squares methods
On-line systems
Optimization
Rotors
Stators
Strategy
Thyristors
Voltage
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Description
Summary:This paper proposes a technique to estimate the stator resistance of induction machines. The stator resistance is obtained by solving a least squares minimization problem, a solution which also provides the value of the leakage inductance. The technique exploits the machine behavior with respect to zero-sequence quantities. It is conceived to be used online with the drive strategy without disturbing the angular shaft speed. Experimental results are used to demonstrate the feasibility of the proposed technique.
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ISSN:0885-8993
1941-0107
DOI:10.1109/63.838107