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发表于 2017-4-27 11:49
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Nezof 发表于 2017-4-26 17:11
7 l; u# a+ w% I4 r都有对应的测试设备的,三种方法选一个买设备就是
( {; j) A0 {, k8 ]; x您好,谢谢您的指教,还有一个问题:16.1整流效应说要把整流器的阳极连接到等效电阻的中点,阴极连接到短路的灯的电极,灯的每端pin之间本来就是通的,还用短路吗?谢谢指教。
, I8 ~) y" P ^When testing electronic ballasts for the rectifying effect, the circuit shown in Figure 1 is used.+ R8 C# A* D4 J5 b" R2 q5 c) O
The anode of the rectifier is connected to the midpoints of appropriate equivalent resistors;! [, q% P) E3 z
the cathode of the rectifier is connected to the short circuited lamp electrode. The direction of, @, o5 k* @8 |0 o/ w
the rectifying effect is chosen so as to give the most unfavourable conditions. If necessary,, E2 T8 o( e/ i
the lamp is started using a suitable device. |
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