Online Estimation of the Rotor Flux Linkage and Voltage-Source Inverter Nonlinearity in Permanent Magnet Synchronous Machine Drives

This paper proposes a method for online estimating the rotor flux linkage and voltage-source inverter (VSI) nonlinearity of permanent magnet synchronous machine (PMSM) drives. Thermocouples are employed for measuring the temperature variation of the stator winding in order to obtain the actual value...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2014-01, Vol.29 (1), p.418-427
Main Authors: Kan Liu, Zhu, Z. Q.
Format: Article
Language:English
Subjects:
Applied sciences
Convertors
Couplings
Electrical engineering. Electrical power engineering
Electrical machines
Electronics
Estimation
Exact sciences and technology
Harmonic analysis
Miscellaneous
Nonlinearity compensation
parameter estimation
permanent magnet synchronous machine (PMSM)
Regulation and control
Resistance
rotor flux linkage
Rotors
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Stator windings
Temperature measurement
Thermoelectric, pyroelectric devices, etc
voltage-source inverter (VSI)
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Summary:This paper proposes a method for online estimating the rotor flux linkage and voltage-source inverter (VSI) nonlinearity of permanent magnet synchronous machine (PMSM) drives. Thermocouples are employed for measuring the temperature variation of the stator winding in order to obtain the actual value of stator winding resistance. An Adaline estimator is used for online estimation of distorted voltage Vdead due to VSI nonlinearity. Both are subsequently used for the estimation of the rotor flux linkage. The proposed method is experimentally validated on a PMSM drive system and shows good performance in tracking the variation of the rotor flux linkage and compensating the VSI nonlinearity.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2013.2252024