Low-Cost-Remote Condition Monitoring System of Electric Motors Using Arduino

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Peeteenut Triwong Chanwit Tangsiriworakul Jirasak Songboonkaew Chalermchat Manop


In this paper, microcontroller-based embedded system is designed for measuring and monitoring voltage condition, stator current and winding temperature of a three-phase induction motor under various operations. Thus, the system was designed using Arduino UNO and C programming language to calculate the phase voltage unbalance rate, the under phase voltage , the over phase voltage and the temperature of a three-phase induction motor. These data are stored in the database of the server via the internet with the 3G-UC15 board which can be displayed again via the website by mobile phone or computer. The induction motor can be isolated from the supply with contactor in case of the faults from the phase voltage unbalance rate over 5%, the phase voltage exceeding or below 10% of the rated voltage and over temperature. The faults of induction motor are displayed via the website in real time for monitoring the condition and protection based on the development of the Arduino UNO with efficiency at a lower cost.


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