Interference and treatment methods of frequency converters

Create Date: 2024-8-30 12:03:23|Source: Eaton/Eaton

Methods to eliminate common-mode interference include:

1. Shielded twisted pair wire is used and effectively grounded.

2. Where there is a strong electric field, galvanized pipe shielding should also be considered.

3. Keep away from high-voltage wires when wiring, and do not bundle high-voltage power cables and signal wires together.

4 Do not share the same power supply with the electronic control station.

5. Adopt linear regulated power supply or high-quality switching power supply (ripple interference less than 50mV).

Examples and treatment of inverter interference

1. The measure is to cut the ring wire and the shield layer short and then ground it.

2. After installing the above scheme and modifying it, the problem is solved.
Interference and treatment methods of frequency converters

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