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转载实际工作中的Electrical Troubleshooting 有关章节:
' I5 ]1 R# @7 {( |$ Z: `+ X一,交流同步电机(AC Synchronous Motors)
?* m" F4 q' ^- o/ {A,启动不了: c% ~: D/ N; z7 ]- @2 a1 g
1, no supply voltage reset circuit breakers; replace open fuse.+ X3 A% J4 v7 a* s
2, one or more phases open replace fuse(s); check for defective wiring/ ]5 Y K: X8 u" t, _+ v" W+ H
3, Mechanical overload correct cause of overlord# B- p8 t- P+ n" L$ s" t- L
4, insufficient voltage check relay voltage supply and increase if possible8 A9 F! o: d Z8 r
B, motor runs hot;9 C! r1 B2 M; r4 Y3 v7 I7 H
1, mechanical overlord check motor rating; reduce mechanical load" k4 ]3 ]5 M* P$ l2 B* ^/ w K
2, improper ventilation check for proper motor ventilation; clean all motor vents
0 O' Z8 _; K: k6 s3,待续 |
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