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转载实际工作中的Electrical Troubleshooting 有关章节:* {, g3 Q. [6 B; y/ \
一,交流同步电机(AC Synchronous Motors)4 k$ r" B9 G7 ?. V- J0 M
A,启动不了:( u" ]0 U. C3 ^1 ~ J5 M5 J
1, no supply voltage reset circuit breakers; replace open fuse.
- P0 r3 B) a3 J& Y: L, g2, one or more phases open replace fuse(s); check for defective wiring
* r$ X1 s' T1 ?3, Mechanical overload correct cause of overlord
3 |3 `2 n6 z/ c, ^ ]. V4, insufficient voltage check relay voltage supply and increase if possible5 d# P# _! N" k! z: f+ e
B, motor runs hot;8 `+ U: L2 G- p
1, mechanical overlord check motor rating; reduce mechanical load
; Z, u3 p- ~! B. g2, improper ventilation check for proper motor ventilation; clean all motor vents1 Z" D7 ?8 s+ W! r7 F m4 `
3,待续 |
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