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| Design and Analysis of a Substation Digital Control System |
Ibrahim Adabara Kityo Mark Anthony, Mutabazi Arban, Ouma Stephen, Ginabel Otiang Okoth, Enerst Edozie, Mpuuga Abdu Nasser
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Abstract:
This article sufficiently explains a substation digital control system whose purpose was to build a prototype of a digitized substation control system operated by a remote controller and using Arduino. The project was designed to remotely switch on the loads one at a time until an excess load is detected after which it is commanded to go off by itself in order to protect the distribution transformer from overload. Transformer overload is the most frequent cause of transformer failure and can sometimes lead to explosions as it causes the transformer to overheat. After overheating, the insulation of the transformer windings is damaged creating a short circuit, which eventually makes the transformer to fail or eventually explode. The aim was to automatically limit the number of loads connected to the transformer depending on the transformer rating and at the same time avoiding direct contact with any of the substation equipment by using a remote controller to avoid electric shock. Consequently, this report details the development of the system’s decision-making mechanism and also mentions the project management. The project’s decision making aspect is the main aspect of the system as it is automatic and does not require any physical operation.
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