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发表于 2017-4-27 11:45
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Nezof 发表于 2017-4-26 17:11 
8 `5 k) u- J; v8 W. {! [都有对应的测试设备的,三种方法选一个买设备就是
: y+ Y2 `: L7 k* L- O4 }9 n7 ?有一个测试盒,但是不知道J6,J7 端口的电压是看示波器上的有效值电压还是峰值电压?/ @+ {' h% p0 m" c3 a) s0 L& S
另外,向高工请教一下16.1故障测试中的整流效应,标准说按照图1 的测试电路,可图一的电路好像是测不对称脉冲电压的图。When testing electronic ballasts for the rectifying effect, the circuit shown in Figure 1 is used.
: ]6 J6 a% o/ v; R: W6 m9 V) nThe anode of the rectifier is connected to the midpoints of appropriate equivalent resistors;
$ |' J# V( A2 P5 w4 s, vthe cathode of the rectifier is connected to the short circuited lamp electrode. The direction of
& F! e" m. K+ B. ithe rectifying effect is chosen so as to give the most unfavourable conditions. If necessary,
: p* n1 l$ Y' W% Mthe lamp is started using a suitable device. |
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