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发表于 2009-2-12 13:38
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4 P$ ~5 Q1 F6 M- X- C' C4 m5 o+ C3,shorted or open coils in motor repair/replace 5 Y- K) i/ m" N; _9 }' Z
all defective motor coils
1 m1 S& \( D! f, q, ^; q4,high line voltage check and adjust supply voltage
0 w9 g( z7 ]; I" D3 U2 n- O5,stator grounded clear ground;replace stator
: I* |: e, [; V, Q0 j. Q" K6,incorrect field current adjust current to proper level
- A7 O" J: W! [! z# ?4 p. k7,rotor off-center check bearing wear;
6 v% ]; n# \0 e+ I% g$ t4 S2 z* ^9 [# M check concentricity of rotor6 q u. |3 F n
8,rotor in contact with stator check bearing wear;
* h: L3 U9 d: m! P check concentricity of rotor2 K1 D; X: p7 @! I& d
5 U8 Q2 H( q! Y
C: incorrect speed
6 C0 c2 X. f, Y4 I* b' J1,improper frequency check to ensure correct " p5 w% G. A' z5 `: m! H3 W
frequency;low=slow speed;high=fast speed
7 ] F( n4 V- j$ g# N& ~3 v) B
( }: G, B3 ^% W, X( `9 T待续! y# N! l$ v1 F9 {7 {% w! B1 |# F
! l9 m& D7 w9 L' r
[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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