Multi-gear fault-tolerance permanent magnetism magnetic flux switching electric machine and fault-tolerance method thereof
A magnetic flux switching motor and permanent magnet technology, which is applied to the static parts of the magnetic circuit, the shape/style/structure of the magnetic circuit, etc., can solve the problems of low power density and efficiency of the motor, and reduce the residual magnetism of the permanent magnet.
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[0022] Such as figure 1 As shown, the multi-tooth fault-tolerant permanent magnetic flux switching motor includes a salient-pole stator, an armature winding, and a salient-pole rotor 2, which is characterized by:
[0023] The salient poles of the stator are E-shaped stator iron blocks 1, and the gap between every two E-shaped stator iron blocks is embedded in the strip-shaped permanent magnet 3 in turn. The two E-shaped arms connected by the strip-shaped permanent magnets are wound with stator windings, namely the first coil To the sixth coil.
[0024] The magnetic isolation teeth of the E-shaped stator iron block have a "Y"-shaped structure, so that the number of stator teeth is 4 times the number of bar-shaped permanent magnets. The "Y"-shaped magnetic isolation teeth make the magnetic permeance of the teeth isolation circuit greatly increase and reduce the mutual inductance of adjacent coils of the stator winding.
[0025] The rotor adopts a multi-tooth structure, and the numbe...
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