Improved position offset based parameter determination of permanent magnet synchronous machines under different load conditions | Zendy

Liu Kan | Zendy; Feng Jianghua | Zendy; Guo Shuying | Zendy; Xiao Lei | Zendy; Zhu Z.Q. | Zendy

Open Access

Improved position offset based parameter determination of permanent magnet synchronous machines under different load conditions

Author(s) -

Liu Kan,

Feng Jianghua,

Guo Shuying,

Xiao Lei,

Zhu Z.Q.

Publication year - 2017

Publication title -

iet electric power applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.815

H-Index - 97

eISSN - 1751-8679

pISSN - 1751-8660

DOI - 10.1049/iet-epa.2016.0734

Subject(s) - offset (computer science) , magnet , control theory (sociology) , position (finance) , synchronous motor , computer science , engineering , electrical engineering , artificial intelligence , control (management) , finance , economics , programming language

This study proposes a novel method for the parameter determination of permanent magnet (PM) synchronous machines under different load conditions. It can identify the total dq ‐axis flux linkages and also the PM flux linkage separately by the addition of a pair of negative and positive position offsets. It is also noteworthy that the influence of uncertain inverter non‐linearity and winding resistance is cancelled during the modelling process, and the experimental results on two different PM synchronous machines show a good agreement with the finite‐element prediction results. More importantly, it shows good performance in online tracking the variation of PM flux linkage, which is an important feature for aiding the condition monitoring of PMs, for example, monitoring the temperature of PMs.

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