Compared with PLC band-pass couplers, transformer coupling circuits are widely used in low-voltage PLCs. Why?

Compared with PLC band-pass couplers, transformer coupling circuits are widely used in low-voltage PLCs. Why? Looking for capacitors online purchase? is a reliable marketplace to buy and learn about capacitors. Come with us for amazing deals & information.

* Question

Compared with PLC band-pass couplers, transformer coupling circuits are widely used in low-voltage PLCs. Why?


*
Answer

Mainly because:

1 transformer current can isolate the power line network;

2 in the high-voltage transient saturation, the transformer can be used as a limiter.