A Sensorless Rotor Position Estimation Method Based on the Field Current Harmonic for an LCI-Fed EESM.

IEEE Transactions on Industrial Electronics（2019）

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摘要

In this paper, a sensorless rotor position estimation method based on the field current harmonic for a load-commutated inverter (LCI)-fed electrically excited synchronous motor (EESM) operating at zero or low speed is proposed. A detailed theoretical analysis and mathematical deduction are presented. The field current harmonic is used instead of the extra high-frequency signal injection. A reasona...

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关键词

Rotors,Estimation,Harmonic analysis,Power harmonic filters,Synchronous motors,Stator windings

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