引用第1楼hellostudy于2009-05-11 17:49发表的 :9 b; z' A: g _
0.1uF 以下不需要做这个测试的吧?
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The test shall be performed ten times. , c5 F& W( g+ b8 uThe test between lines and ENCLOSURE shall not be performed if interference suppression & C4 d* E' E8 B# n1 c# scapacitors are used with a capacitance between each line and earth of less than 3 000 pF for1 }! R3 a1 Y, ^4 u3 [
RATED voltages up to and including 250 V or 5 000 pF for RATED voltages up to and including 9 A, Z& j1 [/ w1 z7 k9 L1 b1 j% r: B125 V. The test between lines shall not be performed if interference suppression capacitors less than or equal to 0,1 uF are connected between them.作者: 阿鸡米得 时间: 2009-5-12 08:38
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是X电容小于等于0.1不做作者: zheng 时间: 2009-5-12 08:41
电容的两个脚并一个电阻作者: 316979109 时间: 2009-5-12 18:10
医用电气设备的电源线、通信线，与其它设备或外围设备相互交换的通讯线路，至少有两根LN导线作为往返线路输送电力或信号，但在LN两根导线之外通常还有“地线”。干扰电压和电流分为两种：一种是LN导线分别做为往返线路传输；另一种是LN导线做去路，地线做返回路传输。前者叫“差模干扰”，后者叫“共模干扰”。 / G! B f3 o4 q电源插头的LN插脚之间剩余电压和剩余能量的测量主要是考虑“差模干扰”的影响。而电源插头的L（N）插脚与保护地之间的剩余电压和剩余能量的测量主要是考虑“共模干扰”的影响。作者: 2iso 时间: 2009-5-28 04:25