TY - GEN
T1 - Unbalanced operation of current regulated sine-wave interior permanent magnet machines
AU - Brown, Ian P.
AU - Ionel, Dan M.
AU - Dorrell, David G.
PY - 2010
Y1 - 2010
N2 - The behavior of rotor eccentricities in current regulated interior permanent magnet (IPM) machines is investigated. The study focuses on two typical topologies of significant industrial relevance, i.e. machines with distributed windings with two slots per pole and phase and motors with concentrated coils and with three slots per pole pair, respectively. The effect of stator winding parallel paths is examined for both cases. Coil and terminal electrical quantities, radial forces, and torque ripple were simulated using FEA. Unbalanced operation, where the currents are not equal in parallel phase connections due to the eccentricity, is also investigated. Experimental measurements of electrical quantities and forces with static eccentricity are carried out with two special test fixtures. The experimental measurements validated the simulation results.
AB - The behavior of rotor eccentricities in current regulated interior permanent magnet (IPM) machines is investigated. The study focuses on two typical topologies of significant industrial relevance, i.e. machines with distributed windings with two slots per pole and phase and motors with concentrated coils and with three slots per pole pair, respectively. The effect of stator winding parallel paths is examined for both cases. Coil and terminal electrical quantities, radial forces, and torque ripple were simulated using FEA. Unbalanced operation, where the currents are not equal in parallel phase connections due to the eccentricity, is also investigated. Experimental measurements of electrical quantities and forces with static eccentricity are carried out with two special test fixtures. The experimental measurements validated the simulation results.
KW - Eccentricity
KW - Interior permanent magnet
KW - UMP
KW - Unbalanced magnetic pull
UR - http://www.scopus.com/inward/record.url?scp=78650099752&partnerID=8YFLogxK
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U2 - 10.1109/ECCE.2010.5617753
DO - 10.1109/ECCE.2010.5617753
M3 - Conference contribution
AN - SCOPUS:78650099752
SN - 9781424452866
T3 - 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings
SP - 4123
EP - 4130
BT - 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings
T2 - 2010 2nd IEEE Energy Conversion Congress and Exposition, ECCE 2010
Y2 - 12 September 2010 through 16 September 2010
ER -
