Quantitative assessment on synchronisation capability of a line‐start permanent magnet synchronous motor with hybrid rotor

Autor: Yubo Yang, Bo Yan, Xiuhe Wang
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: IET Electric Power Applications, Vol 18, Iss 2, Pp 141-152 (2024)
Druh dokumentu: article
ISSN: 1751-8679
1751-8660
DOI: 10.1049/elp2.12373
Popis: Abstract The authors devote a quantitative assessment on the synchronisation capability of a line‐start permanent magnet synchronous motor (LSPMSM) equipped with a hybrid rotor. The quantitative assessment is realised by determining a load criterion consisting of load torques and inertias under which the motor will just synchronise. During the process of load‐criterion determination, close attention is paid to parameters governing the motor synchronisation behaviour. Following the principle of stator‐current error minimisation, the time‐variant magnetising inductances and permanent magnet (PM) flux linkages of the analysed LSPMSM are simplified into slip‐dependent constants via the simple and robust genetic algorithm (GA). The load criterion is then obtained after the establishment of a dynamic motor model involving the simplified parameters. Prototyping tests focused on motor speed‐time responses under different mechanical loads are carried out to validate the obtained load criterion and the paper analyses.
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