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转载实际工作中的Electrical Troubleshooting 有关章节:" I7 N7 u+ D1 R! N1 I( o$ B
一,交流同步电机(AC Synchronous Motors)
^. ]6 U5 H$ ~% y4 o% ?A,启动不了:
( D, B9 z/ Y9 R' n4 Y1, no supply voltage reset circuit breakers; replace open fuse.
8 @1 \# v7 }+ R; g" u$ r# {2, one or more phases open replace fuse(s); check for defective wiring
4 I; Y0 j3 v1 f$ `9 \$ T3, Mechanical overload correct cause of overlord A g" q- r" u, w. r) b
4, insufficient voltage check relay voltage supply and increase if possible* P( ~( `- l- ?
B, motor runs hot;, @' S" q* @0 P: y5 F0 a
1, mechanical overlord check motor rating; reduce mechanical load
% e2 z2 \, D1 b" g3 q2, improper ventilation check for proper motor ventilation; clean all motor vents; p( |$ h) T5 f% m. f& T1 K/ S5 `
3,待续 |
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