Good contact with the filter housing chassis
Release time:
Nov 23,2022
Generally, in the electronic device or system installation power supply filter it should be noted that, when the tying device cable, do not put a filter (power supply) side and (load) side wires bundled together
Filter housing installation note the following:
1. The power filter can not exist electromagnetic coupling path
① power input line is too long;
② power line filter input and output lines rely too close.
2. the cable is not trapped in a tie
Generally, in the electronic device or system installation power supply filter it should be noted that, when the tying device cable, do not put a filter (power supply) side and (load) side wires bundled together, because this is undoubtedly exacerbated the filter input electromagnetic coupling between the output terminals, serious damage to the filter and equipment for EMI shielding signal suppression.
3. try to avoid using a long grounding wire
Power output of the filter is connected a drive or motor wiring length is not more than 30 cm is appropriate.
4. power filters input line, output line must distance
Power line filter input and output lines must distance, avoid parallel, so as not to reduce the effectiveness of the filter;
5. power filter housing and chassis must be in good contact with the shell
Inverter dedicated filter metal shell and the chassis shell must ensure a good surface contact, and the grounding wire connected;
6. cable power filter should use twisted pair
Input, output cable power filter to use shielded twisted pair cable is better, it can effectively eliminate high-frequency portion of the interference signal;
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