Development of IoT based sag and swell identification for power quality monitoring

Sajohan, Siti Nuur Irsalina (2021) Development of IoT based sag and swell identification for power quality monitoring. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of developing a quality control system based on a low-cost Remote Terminal Unit (RTU) platform that is integrated with The Internet of Things (IoT) is to improve power reliability for consumers. Power quality refers to a wide range of differences in the electric power delivered to utility consumers. It can protect a switching transients, wiring issues, harmonic generation, load variations, and many more. The RTU is an important microprocessor-based computer that tracks and manages field equipment or faults before connecting to plant control or SCADA (supervisory control and data acquisition) systems. The proposed RTU is simple to set up and use in a variety of applications, especially in the distribution automation system. The design of this project will be aimed on developing a set of basic models to simulate a voltage sag and voltage swell using MATLAB/Simulink. The microchip will be programmed to a specific type of fault for a voltage sag and voltage swell condition when it receives the data from the MATLAB/Simulink. After that, the status is shown in the LCD display and Wi-Fi Module will send the information directly to control room as warning the operators on the current situation via Graphical User Interface (GUI). Finally, the system is able to detect the fault whether it is a voltage sag, voltage swell or normal voltage and the starting and ending time of the disturbance occurred, thus ready to be interface with the Remote Terminal Unit (RTU).

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