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转载实际工作中的Electrical Troubleshooting 有关章节:( S( E2 o: B+ T& A7 w
一,交流同步电机(AC Synchronous Motors)
! W k c: r8 v2 ^; ]2 fA,启动不了:1 t+ |1 z. T! P- O9 a
1, no supply voltage reset circuit breakers; replace open fuse.
: p3 s) L: D& z. a( t- |) k9 J1 {2, one or more phases open replace fuse(s); check for defective wiring
/ \* B1 ]. N& X+ N8 S) o5 _1 S3, Mechanical overload correct cause of overlord+ h2 F1 T, F! Y2 v. I, w' A
4, insufficient voltage check relay voltage supply and increase if possible E7 a# o8 ^% C( \2 j' E* r
B, motor runs hot;0 u) p ? I" a) Z, F4 l) b
1, mechanical overlord check motor rating; reduce mechanical load% K' ]+ F- F! D. S4 [. d2 A! n
2, improper ventilation check for proper motor ventilation; clean all motor vents
8 t2 ?" G; E' `) S3,待续 |
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