Residual Voltage Transformer By Samata Electricals Pvt. Ltd.

To cater the variegated demands of our precious clients, we are highly engrossed in providing a wide range of Residual Voltage Transformer to the clients from Thane , Maharashtra , India. It is a Residual Voltage Transformer Is Used To Detect Unbalanced Voltage In Three Phase System & To Supply Voltage To Directional Earth Fault Relay.

For Directional Earth Fault Relay , It Is Necessary That The Voltage Applied To The Voltage Coil Of The Relay Corresponds In Phase To That Of The Current In Current Coil Such Voltage Will Be The Residual Voltage Of The System & Will Be The Phasor Sum Of The Three Line - To - Earth Voltages .

Residual Voltage Can Be Achived By Connecting Secondaries Of Three Single Phase V.Ts. Connected In Three Different Phases , In Open Delta Fashion . It Is , However , Economical To Use Three Phase V.Ts. Instead Of Three Nos. Single Phase R.V.Ts. Suitable Upto 33 Kv System Voltage. The offered product is easily gettable from us at rock-bottom prices.