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发表于 2009-2-12 13:38
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# `7 s6 a O2 F- H: ~5 |+ v3,shorted or open coils in motor repair/replace
/ o) D2 V1 k8 }6 S3 T1 J- n all defective motor coils$ I6 M, W& R+ t6 U
4,high line voltage check and adjust supply voltage# W: u1 |7 j0 B) |6 o
5,stator grounded clear ground;replace stator
3 c4 F' G8 V' E) e6,incorrect field current adjust current to proper level m3 G( w+ L' ^8 g
7,rotor off-center check bearing wear;# Y3 q! w; P" h: f; Q' v
check concentricity of rotor2 u, C& ?, Q6 a4 {- f
8,rotor in contact with stator check bearing wear;5 Z% ]( c9 M$ @6 i9 J
check concentricity of rotor
$ _# U3 K, i/ w. H- V( R
4 }2 V1 S( ~1 c' J# ?0 @3 Y5 UC: incorrect speed 0 B# ~9 O; P& r+ J2 E
1,improper frequency check to ensure correct # z- I; @' P! Y' n/ ]
frequency;low=slow speed;high=fast speed
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! ^8 R0 M) ]2 U& u2 a待续9 A, `# }+ x+ h. Z5 U y" u
9 C" j7 b: r7 h[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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