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Thyristor, also known as thyristor module, is an electronic component widely used in power, electronics and other industrial fields. It can be used in controllable rectification, AC voltage regulation, contactless electronic switches, inverters and frequency conversion electronics. In the circuit. Whether it can ensure long-term operation in practical applications depends to a large extent on the system's anti-interference ability to various interferences on site. So, is there any way to improve the anti-interference ability of the SCR module? The editor summarizes the following:

1. Separate the SCR module control power supply from the pulse power supply, and separate each pulse power supply to reduce the mutual interference between pulses. If there are six pulse outputs, you can use six sets of pulse power supplies. Of course, each power supply must be Use large-capacity capacitors for filtering, and try to improve the hardness of the power output characteristics.

2. The ground wire must be connected well. It mainly includes two parts. The first is to follow the "one point grounding" principle, and then the grounding resistance should be as small as possible. In the actual engineering debugging of the pulse circuit, a large part of the workload is spent on reducing the interference "burr", and this is often caused by the failure of the ground wire to be handled properly. Therefore, this point is very important. The “point ground” mentioned here means that the ground of each pulse must be connected to one point so that the ground potential of each pulse is as consistent as possible. The “point” here refers to the circuit. The above point also refers to a physical point. The low ground resistance means that the ground wire should be as short as possible and the ground wire should be as thick as possible. Only in this way, in the case of strong trigger, when the SCR module pulse trigger current is large, the potential difference between the two points on the ground line can be made as small as possible, and the "burr" can be reduced and better removed.

The above is the method to improve the anti-interference ability of the thyristor. I hope that friends in need can refer to it to ensure the reliable operation of the thyristor module to a greater extent.