Jung Heng Chieng, Ching Yee Yong and Khairuddin Ab Hamid
Keywords: domestic, energy monitoring, fault, IoT, SCADA
Abstract: SCADA stands for Supervisory Control and Data Acquisition. It helps industrials to control process remotely, monitor the real time data, interact directly with transmitter, control valves, motor through human interface technology and lastly to record data. Most of the SCADA system was installed for industrial automation. In housing distribution switchboard (DB), it is not common to install SCADA system. A DB with SCADA system that is capable to collect and transmit data to the control unit such as personal computer (PC) or smartphone and further remote control was proposed. Since it is dangerous when there is sudden cut-off of power supply of the main switch. The direct touch to re-open the circuit breaker or main switch may cause electrical shock if there is current leaking in the main switch board due to overload. The main objective is to integrate the serial communication between the IoT and the control unit. The fault alarm message will be sent to user when there is fault. The first domestic system for electrical energy monitoring by remote controlling using SCADA and human machine interface was developed. The main component of the proposed system is Arduino Uno, 8 channels relay module, miniature circuit breaker (MCB), auto manual AC contactor, and switch mode power supply (SMPS). Main supply is from the AC voltage 240V to the switchboard. The main switch is connected to the auto manual AC contactor for the auto and manual control of the electrical flow. A smart domestic switchboard was designed with the function of sending out the fault alarm message when overload (over current) happened. The proposed system is reliable, safer, environmentally sound and achieved 80% of accuracy for notification sent out and 100% of trip once overload was detected.
