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转载实际工作中的Electrical Troubleshooting 有关章节:
, ^+ q5 A M% d. d6 Y0 [& ~一,交流同步电机(AC Synchronous Motors)
4 D* i% [1 t+ F' z8 C! K# y `% DA,启动不了:
) ]/ \9 r7 i5 b9 u1, no supply voltage reset circuit breakers; replace open fuse.0 r; v2 f# s' @# y t. ~ M3 z0 r, k& d
2, one or more phases open replace fuse(s); check for defective wiring
7 d5 r* @$ [: D9 J( ~" [; j3, Mechanical overload correct cause of overlord
2 Z0 x+ m" P0 n# O4 V4, insufficient voltage check relay voltage supply and increase if possible+ u% B3 i- @" |% Q! y
B, motor runs hot;: w7 {' @/ C$ _3 y& {8 s
1, mechanical overlord check motor rating; reduce mechanical load
- _/ ]6 O2 f2 g2, improper ventilation check for proper motor ventilation; clean all motor vents v" i% r# L3 [0 D* `, u- n; Z2 e/ G
3,待续 |
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