Relays

NDL provides on site testing of all types of relays for the complete protection system calibration to check the effectiveness under the fault stimulation mode.

Electromechanical Relays, Static Relays and Numerical Relays

Over Current & Earth Fault Relay for pick up operating with high set element.

Over Under Voltage Relay for pick up drop out voltage at desired setting.

Over Under Frequency Relay at desired setting.

Differential Relay

Earth Fault Relay

Synchronizing Relay

Generator Protection Relay

Motor Protection Relay

Special Purpose Relay

Services

Transformer Services

Sub Stations

Tan Delta & Capacitance

Infrared Thermography

Transformer Overhauling