I would like to ask everyone, should the Rv2 in the picture of the brother be placed behind or in front of the rectifier, so that the anti-surge effect is good? In the figure, RV1 uses the same specifications (diameter, voltage) in parallel.
Anti-surge requirements of 1500V don't know if it can pass?
Anahi 发表于 November 19, 2020
This is of course put in front.
Cyrus 发表于 November 19, 2020
Place the varistor on the front and the AC terminal;
Can it pass 1500V, and can't rely entirely on varistor;
In addition, the 7D511 used is a bit larger, and the varistor at the back should be smaller than the previous one;
Yasmine 发表于 November 19, 2020
The varistor RV2 should be placed in front of the rectifier bridge. The selection of varistor MOV1 is 14D511K, and MOV2 can be 7D511K.
Leyla 发表于 November 19, 2020
It is best to put it in front of the input terminal.
Lilia 发表于 November 19, 2020
Is the surge test level 1500V? I only know that there are 500V, 1000V, 2000V, 4000V, or higher (manufacturer self-determined), of course these are all differential modes. If your circuit is grounded, you should also consider a common-mode surge test for grounding.
