Experimental Verification of Deep Field Weakening Operation of a 50-kW IPM Machine by Using Single Current Regulator

Experimental Verification of Deep Field Weakening Operation of a 50-kW IPM Machine by Using Single Current Regulator

This paper analyzes critical control issues associated with the deep field weakening operation of interior permanent magnet (IPM) synchronous machines. The singlecurrent-regulator control algorithm is reviewed, which controls the d -axis current actively and gives a fixed q -axis voltage command. To...

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Veröffentlicht in:IEEE transactions on industry applications 2011-01, Vol.47 (1), p.128-133
Hauptverfasser: Zhang, Yuan, Xu, Longya, Guven, Mustafa K., Chi, Song, Illindala, Mahesh
Format: Artikel
Sprache:eng
Schlagworte:
Algorithm design and analysis
Commands
Constant power speed ratio (CPSR)
Control equipment
Control theory
Current control
deep fieldweakening operation
Electric potential
Field weakening
interior permanent magnet (IPM) synchronous machine
Optimization
Permanent magnets
Regulators
single current regulator
Torque
Voltage
Voltage control
Windings
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Beschreibung
Zusammenfassung:This paper analyzes critical control issues associated with the deep field weakening operation of interior permanent magnet (IPM) synchronous machines. The singlecurrent-regulator control algorithm is reviewed, which controls the d -axis current actively and gives a fixed q -axis voltage command. To achieve better operational efficiency and performance, improvements are made to choose an optimal q -axis voltage for variable-speed and variable-load conditions. The control algorithm is implemented on a 50-kW IPM machine. Test results, including 7:1 constant power speed ratio operation, are presented to verify the theoretical analysis.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2010.2091478