Design and Construction of a 400watts Transformer-Less Inverter With Iot

Student: Chukwuebuka Bright Madiebo (Project, 2025)
Department of Electrical Engineering
University of Nigeria, Nsukka, Enugu State

Abstract

This paper presents the design and construction of a 400-watt transformerless inverter integrated with Internet of Things (IoT) capabilities. The inverter is engineered to convert direct current (DC) from renewable sources, such as battery source, into alternating current (AC) suitable for household appliances. By eliminating the transformer, the design achieves a compact form factor and improved efficiency, reducing weight and costs. The system incorporates a microcontroller to manage the inverter's operation and monitor performance parameters, enabling remote access and control via a mobile application. IoT integration facilitates real-time data tracking of energy production, consumption, and system health, promoting user engagement and optimizing energy usage. Testing demonstrates the inverter's ability to provide stable output of 311v ensuring compatibility with sensitive electronic devices. This work highlights the potential of transformerless inverters in enhancing renewable energy adoption while leveraging IoT for improved user experience and system management.

Keywords
TRANSFORMER-LESS INVERTER WITH IOT
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