Electrical substations are critical nodes in the power distribution network, serving as points where voltage levels are adjusted for safe and efficient transmission and distribution of electricity. Proper maintenance and management of electrical substations are essential to ensure the reliability and safety of the entire power grid. At FairField, we offer comprehensive services for the maintenance, inspection, and upgrading of electrical substations. Our services include regular inspections, diagnostic tests, equipment replacement, and system upgrades to meet evolving regulatory standards and technological advancements. Whether you need support for high-voltage switchgear, transformers, protection systems, or control systems, our team of experienced engineers ensures that your substation operates at optimal performance, minimizing downtime and extending the lifespan of your equipment.

• Transformer: Insulation condition (power factor, capacitance), Electrical/magnetic (winding resistance, excitation current), Mechanical (SFRA, leakage reactance), Chemical: Dielectric oil testing and DGA read more 
• CT and PT: Ratio test - Accuracy test - Excitation curve read more 
• Circuit Breaker: Measurement of opening and closing times (O, C, OCO), Static and dynamic contact resistance read more 
• Motion analysis (rotary and translational), Coil trip test
• Surge Arrester: Diagnostic by the 3rd harmonic - Power factor measurement read more 
• Battery: Testing of batteries and UPS systems (discharge bank) read more 
• Protection Relay: Testing of various functions (Directional, distance, differential) read more 
• Selectivity verification