PMSM Torque-Speed-Efficiency Map Evaluation from Parameter Estimation Based on the Stand Still Test

Carlos Candelo-Zuluaga, Jordi-Roger Riba and Antoni Garcia
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Carlos Candelo-Zuluaga: Electrical Engineering Department, Universitat Politècnica de Catalunya, 08222 Terrassa, Spain
Jordi-Roger Riba: Electrical Engineering Department, Universitat Politècnica de Catalunya, 08222 Terrassa, Spain
Antoni Garcia: Electrical Engineering Department, Universitat Politècnica de Catalunya, 08222 Terrassa, Spain

Energies, 2021, vol. 14, issue 20, 1-15

Abstract: During the last decades, a wide variety of methods to estimate permanent magnet synchronous motor (PMSM) performance have been developed. These methodologies have several advantages over conventional procedures, saving time and economic costs. This paper presents a new methodology to estimate the PMSM torque-speed-efficiency map based on the blocked rotor test using a single-phase voltage source. The methodology identifies the stator flux linkage depending on the current magnitude and angle while providing a detailed estimation of the iron losses. The torque-speed-efficiency map provides detailed information of the motor efficiency along its operating region, including the nominal conditions and the maximum power envelope. The proposed methodology does not require knowing the geometry of the machine to perform any load test, and it also avoids using expensive measurement devices and a complex experimental setup. Moreover, the proposed method allows the PMSM performance to be reproduced by applying different control strategies, which is useful when testing different drives. The method does not require the application of any optimization algorithm, thus simplifying and speeding up the process to determine the performance. Experimental validation is carried out by comparing motor performances obtained through the proposed method with those obtained by means of a conventional experimental method and against finite element analysis (FEA).

Keywords: permanent magnet machines; performance analysis; performance evaluation; parameter estimation system identification; field-oriented control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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