Research Of Analysis And Evaluation In Energy Metering System Error

Energy is now an important basis for the national economy and society relating to energy, the country’s industry, agriculture, business development as well as people in all aspects of daily life can not leave power. Results are based power energy metering operation links in the settlement the parties, so we hope that energy metering as accurate as possible, in order to protect the interests of all parties. In the past, part of energy metering using only traditional error theory, in recent years, slowly began to popularize the use of measurement uncertainty. Measurement uncertainty is a measure of the degree of reliability indicators should be used together traditional measurement error theory, make the measurement results more scientific and reasonable. Energy measurements in different parts of the country even if you want to have a comparable Measurement Uncertainty also need to evaluate the quality of the measurement results. Thesis are:Relying on current research, identify important role in the measurement uncertainty in the field of energy metering; according to the characteristics of energy metering systems, analyzes the electronic meter, current transformers, voltage transformers error characteristics. From their works deduced than the angular difference error difference with current transformer and voltage transformer formula through actual measurement data analysis, error characteristics of electronic power meters. And considering more than the basic error of further analysis of their additional error characteristics; study the role of measurement uncertainty and the steps and methods of its use in the field of energy metering; the establishment of the corresponding assessment procedures and mathematical models calculated by the measured data measurement uncertainty electronic energy meter, current transformer with a standard table size of each contribution clearly uncertainty components:For electronic meter device error is the greatest contribution, and for the standard table is a standard table Changes errors. In order to evaluate and improve the quality of measurement results provide a basis for measurement.