TJ/H2b TASA | TapChanger Activity Signature Analysis

TJ/H2b TASA   | TapChanger Activity Signature Analysis

The first applications of DGA to evaluate load tap changer condition were based on experiences with transformers.Threshold limits were developed for the gasses produced by overheating both individually and in combination. Many factors such as design, operations, ventilation, and on-line filtration affect gas levels. Consequently, this gas threshold approach offered limited success but proved the potential usefulness of fluid testing for LTC condition assessment.

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