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转载实际工作中的Electrical Troubleshooting 有关章节:, Q9 n: y, u' F: w# X& _4 r+ z
一,交流同步电机(AC Synchronous Motors)8 L0 J, D9 Y! u
A,启动不了:- u9 x( i' C- M+ {$ U
1, no supply voltage reset circuit breakers; replace open fuse.3 i$ z4 I, Z& v( [% K/ y
2, one or more phases open replace fuse(s); check for defective wiring
/ p9 {+ H( |1 S) I: g- V3, Mechanical overload correct cause of overlord
4 Z2 O9 T9 D9 O, b$ |2 |" K4, insufficient voltage check relay voltage supply and increase if possible
- ?; Y$ i B8 b5 PB, motor runs hot;
2 `3 ?5 E% g6 r1, mechanical overlord check motor rating; reduce mechanical load8 L7 v) Z$ { m$ Y
2, improper ventilation check for proper motor ventilation; clean all motor vents( B% O8 P. [* M. j: G0 N: B2 F
3,待续 |
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