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转载实际工作中的Electrical Troubleshooting 有关章节:, f2 ?) C# }5 I* P4 [
一,交流同步电机(AC Synchronous Motors)
- d# f* P5 ]$ f2 DA,启动不了:( L& z# W1 n0 v( h1 e0 s6 s+ r; u
1, no supply voltage reset circuit breakers; replace open fuse.+ A/ z F+ s; S3 U9 h9 v
2, one or more phases open replace fuse(s); check for defective wiring
9 U% W2 \: u, m* I# w3, Mechanical overload correct cause of overlord
6 V7 `4 C0 q1 {5 y3 a2 x6 C4, insufficient voltage check relay voltage supply and increase if possible
! |1 c* Z7 D" R" ^) A$ f$ E5 d8 RB, motor runs hot;" G% o" l. M: {
1, mechanical overlord check motor rating; reduce mechanical load! q& C3 z- F$ Q; z
2, improper ventilation check for proper motor ventilation; clean all motor vents
6 x4 E$ q) |/ O& y i1 c1 p, S# R3,待续 |
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