| In modern society, as one of the most widely used, Electrical energy’s level ofdevelopment and application has become an important symbol of the evaluation of acountry’s level of development. With the continuing development of social and economicand progress of science and technology, the world’s dependence on electricity continues torise, the problems encountered in the development of the power industry are getting moreand more. Power quality which is an important measure of the power grid operation signs,the problems associated with increasing attention, and in order to improve power quality,electric energy efficiency monitoring system as a data collection terminal grid has anirreplaceable role. This article studies the research status and the working principle ofpower monitoring device, and completed the intelligent electric energy efficiencymonitoring system’s software and hardware design, which can be real-time monitoring ofthe parameters of the grid.Based on the study of literature and intelligent electric energy efficiency monitoringsystem design requirements and the analysis of the intelligent electricity energy efficiencymonitoring system should have the functionality and performance, we propose an electricenergy efficiency monitoring system which were constructed based on PIC24FJ128GA310chip’s electric energy monitoring module and based STM32F103ZET6chip’s centralizedinformation module. The program in response to the host computer through the centralizedinformation module and electric energy monitoring module the voltage, current, power,frequency, power factor and other parameters of the point of consumption, and responseinformation through the communication protocol to the centralized information module.The intelligent Electric energy efficiency system can simultaneously measure multiplemonitoring points in real time, low cost, reliable performance, small size and othercharacteristics, through the centralized information module and multiple power modules,the energy efficiency monitoring system can monitor multiple points, which allowing theuser to fully understand the state of their own electricity for various devices and monitoring points. The electric energy efficiency monitoring system based on the design schemeexhibit good accuracy, timeliness and reliability, and has passed the field test and put intooperation, testing and operation results show that the device has a good price, to meet theproject site technical requirements. |