Introduction VLF (very low frequency) cable testing is a technique used to detect incipient defects in medium and high voltage cables. It involves applying a high voltage, low frequency AC signal to the cable and measuring several parameters to quantify it’s condition. The primary standard for this is the IEEE 400.2. This was originally released … Read more
IntroductionPartial discharge (PD) is a localized dielectric breakdown in an insulating material. It is caused by a high electric field stress in a small area of the insulation. PD can occur in any type of medium and high voltage insulation, including cables, transformers, and switchgear. The occurrence of PD is usually an indicator of underlying … Read more
Introduction Transformers play a critical role in ensuring the smooth and reliable delivery of electricity. Due to their complex nature, periodic testing, monitoring and maintenance is required to sustain optimal performance. Transformer testing enables a comprehensive evaluation of key parameters, allowing for the identification of potential issues and implementation of necessary maintenance. In this article, … Read more
Introduction VLF (very low frequency) cable testing is a technique used to detect incipient defects in medium and high voltage cables. It involves applying a high voltage, low frequency AC signal to the cable and measuring several parameters to quantify its condition. The benefits of VLF cable testing include reduced risk of cable failure, prevention … Read more
Overview Electrical motors are critical in most industrial processes and that their failure can result in costly downtime and repairs. Motor Current Signature Analysis, or MCSA, is a powerful technology for enhancing the reliability and optimizing the efficiency of induction motors. It evaluates the condition of motors and driven loads to detect incipient defects before … Read more
Importance of Residual Life Analysis (RLA) Testing RLA, also known as Residual Life Assessment, is a critical process in the maintenance and operation of industrial equipment, including motors, generators, cables, transformers, and switchgear. The objective of RLA is to determine the remaining useful life of an asset and to take appropriate actions to ensure its … Read more
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