Self-commissioning of RFO IM drives: one-test identification of the magnetization characteristic of the motor

This paper is concerned with the self-commissioning of rotor-flux-oriented (RFO) induction motor (IM) drives operating at variable flux. A solution is proposed which identifies the magnetization characteristic of the motor by means of one test only. During the test, the motor is kept at standstill w...

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Bibliographic Details
Published inIEEE transactions on industry applications Vol. 37; no. 6; pp. 1801 - 1806
Main Authors Bertoluzzo, M., Buja, G.S., Menis, R.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.11.2001
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Automatic control
Control systems
Electric potential
Flux
Hardware
Inductance
Induction motors
Magnetic flux
Magnetization
Mathematical models
Motors
Rotors
Saturation magnetization
Testing
Voltage
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Summary:This paper is concerned with the self-commissioning of rotor-flux-oriented (RFO) induction motor (IM) drives operating at variable flux. A solution is proposed which identifies the magnetization characteristic of the motor by means of one test only. During the test, the motor is kept at standstill with a single-axis supply. Within the same test, the rotor resistance is also identified. The solution is suitable to be implemented in commercial drives, as it makes use of the on-board hardware. The paper starts by reviewing the model of a saturated IM under single-axis excitation. Then the theoretical bases of the solution are set forth and the test is formulated. Afterward, an experimental rig is built around a commercial RFO IM drive and the magnetization characteristic of the motor is identified. Its comparison with data obtained from standard no-load tests with different voltage supplies confirms the validity of the solution.
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ISSN:0093-9994
1939-9367
DOI:10.1109/28.968194