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转载实际工作中的Electrical Troubleshooting 有关章节:
1 ~2 S% a* R9 W" i2 m1 V一,交流同步电机(AC Synchronous Motors)" n6 Y9 y& f; B7 x1 }4 k2 [
A,启动不了:' ]+ K9 z9 H2 s( a( T
1, no supply voltage reset circuit breakers; replace open fuse.
2 E# Z! q; u# A5 A# C2, one or more phases open replace fuse(s); check for defective wiring
~3 ] V. N4 \1 P7 S3, Mechanical overload correct cause of overlord
+ C, E( v, O7 W, X4, insufficient voltage check relay voltage supply and increase if possible' @3 U, j. ?: n7 Y
B, motor runs hot; J4 T5 g8 j% t9 z: @& N
1, mechanical overlord check motor rating; reduce mechanical load
6 m( Q% m6 R+ w+ F4 R* C8 R7 m2, improper ventilation check for proper motor ventilation; clean all motor vents1 c. _2 D( u; Q" F+ W& I
3,待续 |
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