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发表于 2009-2-12 13:38
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- o5 F, ^% C% {7 N. s$ e5 D3,shorted or open coils in motor repair/replace
0 x1 V$ G/ O+ e- U. R& a' f; ] all defective motor coils3 ] K9 m% \; z7 s( a U! a4 @( S
4,high line voltage check and adjust supply voltage
$ m, ~* q9 S, b! k( k) h! _9 Q! u; x5,stator grounded clear ground;replace stator" u& g& U9 R9 W2 p: G8 p
6,incorrect field current adjust current to proper level1 i( r0 w1 d& } M+ f
7,rotor off-center check bearing wear;
# h" ~8 j# ?( ?0 H6 c8 ?9 ^$ e. J check concentricity of rotor6 v* U4 \2 y8 i4 v+ i
8,rotor in contact with stator check bearing wear;1 q1 h, y. ~: J
check concentricity of rotor
7 ^4 g- ^$ N# @1 u" ~4 S+ M$ _" H
6 X- I5 w) Y8 vC: incorrect speed
& k- R9 K2 |: J1 M$ }2 y& d1,improper frequency check to ensure correct
5 j# u7 u- n( X6 ~3 ]* a5 ~ frequency;low=slow speed;high=fast speed
4 U& D0 J1 @) s, f4 z. y$ G3 a0 Z; l8 G! F# m/ Z+ m7 P
待续$ N- O, ]0 C" T3 k- r) I% A
. W5 {/ T% _ W1 }[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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