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转载实际工作中的Electrical Troubleshooting 有关章节:
$ d% `, Z) x- F" ~, f- d! s一,交流同步电机(AC Synchronous Motors)
+ _9 W0 r$ h+ k# A+ yA,启动不了:
' `" I `: A) J; ~3 g1, no supply voltage reset circuit breakers; replace open fuse.
0 A2 t6 B2 G" \( B! Y* W) f( b2, one or more phases open replace fuse(s); check for defective wiring/ f" f( n9 p' g) s6 d
3, Mechanical overload correct cause of overlord
T9 y0 A# y; Z% F' H4, insufficient voltage check relay voltage supply and increase if possible' m9 l, X# v8 w+ v) ?6 r
B, motor runs hot;! {) \1 z8 T3 M4 R; \6 `9 c4 d
1, mechanical overlord check motor rating; reduce mechanical load
1 n" v* ]1 k5 E g" U6 Z2, improper ventilation check for proper motor ventilation; clean all motor vents+ Q. A$ {' H1 c* c( v) R
3,待续 |
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