Chapter: Special Electrical Machines : Permanent Magnet Brushless D.C. Motors
Classification Of BLPM Dc Motor
BLPM dc motors can be classified on the basis of the flux density distribution in the air gap of the motor. They are
(a). BLPM Square wave dc motor [BLPM SQW DC Motor]
(b).BLPM sinusoidal wave dc motor [BLPM SINE WAVE DC Motor]
CLASSIFICATION OF BLPM DC MOTOR
BLPM dc
motors can be classified on the basis of the flux density distribution in the
air gap of the motor. They are
(a). BLPM
Square wave dc motor [BLPM SQW DC Motor]
(b).BLPM sinusoidal wave dc motor [BLPM SINE WAVE DC Motor]
(a) BLPM Square wave motor
These are
two types: 180ÔŽ pole arc. 120ÔŽ pole arc.
Air gap flux density distribution in 180ÔŽ BLPM SQW motor as shown in fig.
Fig 4.11
Air gap flux density distribution in 180ÔŽ BLPM SQW motor.
Air gap
density distribution of BLPM DC SQW motor with 120ÔŽ pole arc, as shown in fig.
(b)BLPM Sine wave DC Motor
Air gap
density distribution of BLPM dc sine wave motor as shown in fig.
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Special Electrical Machines : Permanent Magnet Brushless D.C. Motors : Classification Of BLPM Dc Motor |
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Special Electrical Machines : Permanent Magnet Brushless D.C. Motors