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转载实际工作中的Electrical Troubleshooting 有关章节:5 @; E" x4 w2 Q$ ~, U1 Q. p2 k" ~
一,交流同步电机(AC Synchronous Motors)
; \; V0 \) o/ ?A,启动不了:
8 R1 ]5 C8 R# m6 A) H. t1, no supply voltage reset circuit breakers; replace open fuse.; f( D! @1 E, r) \5 C1 ^
2, one or more phases open replace fuse(s); check for defective wiring
8 t$ }% v# j7 l1 R5 _( P3, Mechanical overload correct cause of overlord8 r: r+ ?. {9 i4 T
4, insufficient voltage check relay voltage supply and increase if possible
! }) y! C8 k( s8 J0 ?6 nB, motor runs hot;
( j: Y9 d d0 t! G5 L' v* N+ ?: f6 V% f1, mechanical overlord check motor rating; reduce mechanical load
3 P: p, u7 ~5 L! A( a! H6 o) M2, improper ventilation check for proper motor ventilation; clean all motor vents
5 P' h: b3 {! A, h! {3,待续 |
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