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发表于 2009-2-12 13:38
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* p0 T, S4 Q! v- b3,shorted or open coils in motor repair/replace
4 K3 g/ M3 |" x& A all defective motor coils; ^- y! [8 [! [( f
4,high line voltage check and adjust supply voltage
1 W) x" _7 V# H& X5,stator grounded clear ground;replace stator
7 f ?4 W& X- O" m5 v6,incorrect field current adjust current to proper level6 x' r; c& y) W& {% n! |5 l3 J
7,rotor off-center check bearing wear;2 }( ]; [. [, \, a! Q9 ^7 ~/ G! \9 c: ]
check concentricity of rotor
* S( P& o! E' h0 E# c. V8,rotor in contact with stator check bearing wear;9 f4 M, l/ V" n) l5 L9 e6 R' n) d) V
check concentricity of rotor) ]+ c! s! d$ n$ L" E9 H
8 D2 z$ v* I5 ?/ h& u. ~9 s
C: incorrect speed 5 d# O& [5 ` L2 h; O, |/ Y
1,improper frequency check to ensure correct
" ~) G8 l" R% z+ _ frequency;low=slow speed;high=fast speed
4 K. p, v; @9 ^ l7 w2 J* h, x) _9 \5 }" S1 b
待续
x7 C! H* `4 B" V; A- }" M. x$ x
[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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