Learn how leak testing during FAT ensures transformer leak prevention and improves reliability. Discover oil leak testing methods, key transformer testing equipment, and how factory acceptance tests help detect sealing issues before shipment.

Learn why chemical resistance is critical in substations and how corrosive environments affect insulation systems, seals, and metal components. Discover strategies to improve HV equipment reliability through proper materials and preventive maintenance.

Learn the typical dielectric failure causes in high-voltage equipment, including moisture, partial discharge, thermal aging, contamination, and overvoltage stress. Discover how insulation breakdown develops and how preventive testing improves electrical system reliability.

Learn why leakage current matters in electrical testing and how it affects insulation reliability, equipment safety, and preventive maintenance in high-voltage systems. Discover the causes, measurement methods, and importance of leakage current analysis.