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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 $ l, q J `6 I: U8 J2 _5 N! w0 s
都有对应的测试设备的,三种方法选一个买设备就是
; L/ U* X$ D1 E! {3 {" O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。
1 K% I7 i" g: Z" OWhen testing electronic ballasts for the rectifying effect, the circuit shown in Figure 1 is used.0 F) m! q, r! G
The anode of the rectifier is connected to the midpoints of appropriate equivalent resistors;' G. {3 y( e7 D! g2 \, Y
the cathode of the rectifier is connected to the short circuited lamp electrode. The direction of
0 e+ [# x- @+ W3 c' Ythe rectifying effect is chosen so as to give the most unfavourable conditions. If necessary,7 f$ p$ F" ^4 D. r) U( u! D, \
the lamp is started using a suitable device. |
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