Design and Development of Net Metering Through IP Based IoT

Abstract

Energy efficiency and conservation have been a heavily focused subject in recent years. So, the importance of power meter has a significant effect. The thesis aims to develop a Net Meter though IP based IoT by using a bidirectional power meter where we were using a microcontroller (Arduino nano). Arduino nano which is used because it is cheap and has less PIN. The thesis constitutes a microcontroller (Arduino nano), an Ethernet shield, a current sensor, voltage sensor, bulbs as load, and a display. The RMS values of voltage and current are determined in the thesis and sowed on the screen. Then the Calibration is done inside the developed program. After that the power is Calculated and showed in the display. Then the direction of the power is determined, which is dependent on the phase difference between voltage and current coming from the grid. If there is no phase difference between the voltage and current, then the power is positive and leaving from the network. If there is a phase difference between the voltage and current, then the power is negative and entering the grid. The negative power is calculated by reversing the direction of the current sensor, but it can be also be detected by adding a power-producing device like a generator. The direction of the power flow is significant for efficiently using power.