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发表于 2009-2-12 13:38
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8 y- q$ g4 R) m$ Z' E: y' {: O$ J7 m1 l3,shorted or open coils in motor repair/replace * x1 u1 y# _+ a* c- B% T; W3 o
all defective motor coils
0 Y4 j8 o/ ]0 O9 I4,high line voltage check and adjust supply voltage
7 H# D6 F: w/ N$ r, z5,stator grounded clear ground;replace stator
5 I$ C: O! ?5 h* f" i3 j0 I6,incorrect field current adjust current to proper level4 F8 n! T2 i, p
7,rotor off-center check bearing wear;9 L: @ {+ ]4 P1 T9 o. V, S) |' e9 e' G
check concentricity of rotor" z5 `2 r% c, g8 e* v0 S5 n
8,rotor in contact with stator check bearing wear;, r* f# h2 g# q# ]! P0 D; J
check concentricity of rotor) @8 a2 O% i6 A* g9 t
1 u8 x! i: b2 r4 `/ Y% }C: incorrect speed
1 v7 m5 o3 K# X9 J1,improper frequency check to ensure correct # A' i' M2 X8 @! b
frequency;low=slow speed;high=fast speed9 Z: ^7 n! h Y$ _* w
" n/ ?, C+ D% E" ~待续5 K% R# t6 B- g; ?% |+ a3 n/ U5 v( K
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[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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