






Vol.4 , No. 3, Publication Date: Sep. 8, 2017, Page: 13-18
[1] | Siti Amaniah Mohd Chachuli, Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. |
[2] | Mohammad Zulkhairi Badrulhisham, Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. |
With the increasing of new tariff of electricity, peoples try to find a method to minimize their electricity usage in a home or working places. The pattern of their electricity consumption should be understood to minimize the energy usage. A device that able to monitor the power usage in daily usage should be developed to help user in understanding electricity consumption at their home. In order to increase the awareness of electricity usage among the residential consumers, this project has been developed. This project consists of microcontroller, current sensor, LCD panel, LEDs and switches. The current sensor will be clamped at the live cable in the main distribution board to sense the current flow. Then, the target value will be compared with the actual usage of electricity. If the actual usage is exceeding the target value, a notification by LED will turn on. The prototype of power meter was designed with the ability to read the overall power usage in a house or at individual appliance and display the amount of electric bill. This meter is suitable for the residential buildings as the current sensor can measure RMS current up to 100A and measure power up to 240kW. From the experiment conducted, the average error is between 3.72% - 9.05%. Thus, this design of power meter is still reliable and robust to use.
Keywords
Power, Sensor, Electricity, Arduino, Single Phase
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