New laboratory stand and teaching program — Transformer monitoring system

High voltage autotransformers are one of the most important and expensive devices in the power system. Hence, it is important to remotely control and monitor their condition. To meet current requirements of power companies it is essential to constantly improve functionality of autotransformer monitoring systems. The main aim in using such systems is to ensure continuity and reliability of the operation of autotransformers, reducing costs and economic losses associated with possible failures. This article presents the teaching program of the system which collects data from autotransformers. The system was realized in the Institute of Electric Power Engineering at Warsaw University of Technology and was installed in the Poreba and Bierun substations. The new laboratory stand was made to familiarize fifth year students with transformer monitoring system during power system automation classes. Students learn principles of high voltage transformer protections and realization of monitoring system using ADAM5510E/TCP microprocessor controller. There is a possibility to observe operation of electrical and mechanical protections of transformer during simulation of different signals from transformer simulator. Students are familiarized with: WAGO modules, which are used to control transformer cooling subsystem, data acquisition and visualization system based on ADAM5510E/TCP modules which gets data from various devices installed in transformer i.e. from on-load tap changer.