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A new method for estimating initial rotor phase of self‐excited hybrid‐field synchronous motors
Author(s) -
Shinnaka Shinji,
Yashiro Yuta
Publication year - 2010
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/eej.21027
Subject(s) - rotor (electric) , usability , synchronous motor , permanent magnet synchronous motor , magnet , excited state , three phase , position (finance) , phase (matter) , voltage , control theory (sociology) , engineering , computer science , electrical engineering , physics , artificial intelligence , control (management) , finance , human–computer interaction , quantum mechanics , nuclear physics , economics
This paper proposes a new method for properly estimating the rotor initial phase (i.e., the position) of the newly emerging self‐excited hybrid‐field synchronous motors (SelE‐HFSMs), which have the rotor held by both a permanent magnet and a diode‐shorted held winding. The proposed method injects a spatially rotating high‐frequency voltage and detects the rotor phase directly by evaluating the norm of the associated current. The method is very simple, but has a high degree of usability. 2010 Wiley Periodicals, Inc. Electr Eng Jpn, 173(3): 49–58, 2010; Published online in Wiley InterScience ( www.interscience. wiley.com ). DOI 10.1002/eej.21027
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