Switchgear Tests :

Insulation Resistance, High Voltage testing, Contact Resistance, SF6 gas leakage, purity and dew point, Primary Injection for CTs, Circuit breaker positions, Anti pumping, Spring charge mechanisms, Trip Coil checks, main contacts and auxiliary contacts, Interlocks verification Protection : Non directional and Directional Over current / Earth fault, Transformer Differential, restricted earth fault, Line Differential, Distance protection, Busbar protection relays configuration, setting and secondary injection testing, DC Scheme checks, Stability and sensitivity tests, and Remote End inter trip tests through communication channels.

DC Systems:

Battery charger load tests, function checks, Battery bank charge discharge tests, electrolyte specific gravity and temperature measurement

Transformers :

SFRA, Tan Delta, Insulation Resistance, Magnetic balance, Ratio, Vector group, Winding Resistance, Protections, Cooler Control Cabinet components OLR and motors, Oil BDV, DGA, Oil Leakage Test

HV Cables:

Polarization Index (PI), Very Low Frequency (VLF) or DC High Voltage testing, Micro Ohm resistance, capacitance, Inductance and tan delta tests

Station Earth:

Earth Pit resistance measurement, Joint contact resistances, Earth Mat resistance measurement, Step and Touch Potential

Overhead Line (OHL):

Insulation resistance, Contact resistance, High voltage test, sag adjustment