Condition monitoring and diagnostic testing is a vital task in front of a power system engineer. He has to monitor various parameters such as breakdown voltage (Bdv), Parts Per Million (PPM), DGA, Furan analysis, Partial discharge, tan delta, SFRA, winding resistance, polarization index etc quite frequently. The deviation from standard results may affect performance and health of the transformer. However many a times it so happens that the results are within permissible limits but the trend of results over last 2–3 years indicate a deterioration. It is therefore important to monitor the trend for last 2–3 years in order to ascertain healthiness of transformer. This paper recommends a novice approach to monitor the performance of transformer. For this purpose, a simple database using Java-Netbeans is prepared. Using Structured Query Language (SQL) it is ensured whether the parameters are within permissible limits or otherwise. The method is so simple that the knowledge of Java programming is not at all required. Using simple SQL commands the data is retrieved from database. It is however required to update database as and when the measurements are conducted.
Condition Monitoring, Database, SQL, PPM, DGA
