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Protection using telecommunications, such as the current differential protection schemes, are well known for their selectivity, sensitivity and fast operating times. Such advantages make them a desirable choice for the protection of high voltage transmission lines. However, the reliability and security of these protection schemes depends heavily on the performance of the telecommunication network,...
Partial Discharges are major source of insulation failure in power transformers. Therefore, partial discharge (PD) measurement has been commonly carried out to detect and monitor PD activity in insulation in order to avoid from any catastrophic failure. In this research work, acoustic emission (AE) detection system is used to detect PD in an experimental tank filled with transformer oil. Three different...
Power transformer consists of components which are under consistent thermal and electrical stresses. The major component which degrades under these stresses is the paper insulation of the power transformer. The electrical fault can develop into thermal fault such as localized insulation burning or hot-spots. Any fault in the transformer can be detected by using Dissolved Gas Analysis technique. In...
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