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引用第0楼sclongwar于2008-01-04 15:07发表的 标准理解 :
% b1 R: ^9 u/ V }% d在IEC 60335-1 cl 19.7中,( `) C- j) d6 ?
Appliances incorporating motors and having capacitors in the circuit of an auxiliary winding,
& q( q% P3 K/ E* bare operated with the rotor locked, the capacitors being open-circuited one at a time. The test
5 W9 O0 d' P6 L# M. X* Iis repeated with the capacitors short-circuited one at a time unless they are of class P2 of
8 ?# ]/ D' Z% JIEC 60252-1. e X- _: k) [, J `9 d
....... * _5 k2 R1 T$ X4 c+ y
电器带有电机,而且在电机的辅助绕组里面有电容的,测试时:
L! R- w! d+ q" |1、将电容开路,每次一个,对电机进行堵转测试;4 z) p( [! g# l$ M# x0 x! U
2、将电容短路,每次一个,重复电机的堵转测试。
( U$ H( z# A% x M# V4 n/ mPS.当电容是符合IEC 60252-1里面P2级的,第2步可免去。 |
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