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What is a partial discharge in an insulation system? A partial discharge (PD) in an insulator system is a localized electrical discharge that occurs when the electric field within the insulation exceeds its dielectric strength in specific areas, without completely bridging the insulating material between conductors. When high voltage is applied to an insulation system, … Read more
Current transformers (CTs) play a crucial role in power systems, especially in protection and metering applications. The Accuracy Limit Factor (ALF) is one of the key parameters that determines the performance of current transformers. This article provides an in-depth understanding of the ALF. The article covers its significance and its impact on the reliable operation … Read more
Type Tests of Isolators as per IS 9921 (Part 4) – 1985 The type tests of isolators are conducted to ensure that the isolators meet the performance criteria under standard operating conditions. According to IS 9921 (Part 4) – 1985, the type tests of isolators can be broadly categorized into the following: These type tests … Read more
