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发表于 2009-2-12 13:38
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3 `2 W2 R r% F3,shorted or open coils in motor repair/replace
$ F% T# T& Q5 Z o6 W$ b all defective motor coils
6 b4 w2 P' M! O ?4,high line voltage check and adjust supply voltage
) N/ U3 M6 M. n4 {5,stator grounded clear ground;replace stator
; S, [) U8 i, \6 _$ E( L" d6,incorrect field current adjust current to proper level
, u- ]9 s* l' S* \7,rotor off-center check bearing wear;$ d- }9 b* C5 L* W8 F5 V @+ |
check concentricity of rotor/ b) F) h6 l e8 y3 T/ D7 e
8,rotor in contact with stator check bearing wear;
. E! P9 d, N/ E0 r3 V check concentricity of rotor \- W# Z! f0 h6 P
8 e9 Z( m/ c' @& HC: incorrect speed ! [( ~" f( w: P7 k/ c8 {
1,improper frequency check to ensure correct ' [4 v$ m% j& {' [" l" T
frequency;low=slow speed;high=fast speed$ F- [! L' n! ?# c
9 Z: t- q8 C H" t5 w! g3 V" I
待续& q6 e3 l( T2 I! Z9 p) o
" S9 r2 ?9 @# N o" F/ M
[ 本帖最后由 侠客行 于 2009-2-12 13:43 编辑 ] |
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