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发表于 2009-2-12 13:38
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续一
续:
6 q" L& b2 P5 ]3,shorted or open coils in motor repair/replace $ c. v& j( |: T/ [
all defective motor coils
- O: P1 E9 ~8 Z/ n/ L4,high line voltage check and adjust supply voltage
! @: @) N; X! A7 m2 b5,stator grounded clear ground;replace stator/ @8 H9 |% o, m. M/ R& p
6,incorrect field current adjust current to proper level! T& ~1 g# p% F1 f
7,rotor off-center check bearing wear;
# S" h1 z+ b, d5 u check concentricity of rotor
/ c4 }9 Q& q8 }, G; D$ S3 N8,rotor in contact with stator check bearing wear;
$ g/ L6 U6 E2 s; I) O. L check concentricity of rotor; y6 n) Y) e1 y. K
+ ~8 t, J3 D- `5 KC: incorrect speed
$ ^8 P/ Y5 Z# @; ~9 x1,improper frequency check to ensure correct + V `, |# d: C& d1 _5 D0 G4 u; g
frequency;low=slow speed;high=fast speed
, X% I8 T& ]" S5 c, L- h q7 e8 g/ Q7 C9 u, F
待续
: `, [2 o4 N( R- ~, j$ P- j% }' b! j( U( q2 H
[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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