engineering recuitment TANGEDCO Field Assistant (Trainee) Mock Test Electrician and Wireman Power Systems Relays and Voltage Regulators
The purpose of a shading coil placed near the tip of the magnet pole face of relay is to
1
Eliminate the chattering noise in relay
2
Protect the equipment form fluctuating voltage
3
Provide the gap between the layers of magnetic core
4
Increase the strength of the magnetic field.