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转载实际工作中的Electrical Troubleshooting 有关章节:
. P6 s! p% S# L& b- d t1 T一,交流同步电机(AC Synchronous Motors)
4 O' @- |3 N* @# O/ r pA,启动不了:( Y! P) m7 B+ ]# [9 q/ I2 ]
1, no supply voltage reset circuit breakers; replace open fuse.' O# z5 s: r/ v8 E
2, one or more phases open replace fuse(s); check for defective wiring0 m9 b3 t9 H7 U0 Z
3, Mechanical overload correct cause of overlord* f9 k8 Z# I# Q0 p; O* Q+ v
4, insufficient voltage check relay voltage supply and increase if possible0 y2 X4 k N3 y) }9 M* k# o% L# |
B, motor runs hot;
! Z# U, q6 t9 \- l, F1 Z2 M1, mechanical overlord check motor rating; reduce mechanical load& k" A# \1 I2 b6 a
2, improper ventilation check for proper motor ventilation; clean all motor vents M* W! Y7 z# E0 }; q% M- ?
3,待续 |
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