Learn what winding resistance testing is, why it is important for transformers, and how to ensure accurate and safe test results. Understand common faults and best practices.

Learn what motor inrush current is, why it occurs during startup, its impact on electrical systems, and how to reduce it using soft starters and VSDs.

Learn the basics of VLF cable testing, its origins, and how it improves cable insulation diagnostics. Explore VLF withstand testing, PD detection, and tan delta analysis for reliable power cable maintenance.

Learn how current transformers (CTs) work, including operating principles, clamp-on CTs, Rogowski coils, and safety rules. Understand CT applications in high-voltage systems, metering, and protection.