Design and implementation of single phase intelligent Energy meter using a microcontroller interfaced to PC

摘要

The aim of this paper is to describe the implementation of a single-phase intelligent Energy meter (IEM) for measuring of the active power, reactive power, apparent power, the deformation factor and the energy. In the designed circuit, these quantities are measured using PIC16F877. The measurement values are displayed on the LCD screen. Then a MAX232 IC is interfaced between the Microcontroller and the PC. Hall Effect Sensor current LA55-P is used to measure the current signal and Hall Effect Voltage Sensor CYHVS025A is used to measure the voltage.