The effect of temperature on the accuracy of primary and secondary fusion switch equipment

Primary and secondary fusion switch equipment integrated with protection, control, communication and intelligent function, effectively improve the efficiency of power grid security and stability, and the fault response capacity. It is indispensable to modern smart grid key equipment. Temperatureplaysacrucialroleinthemeasurementaccuracyofthise quipment. This paper analyzes the working principle of the capacitive voltage divider electronic transformer, measures the error of each measuring point of the electronic transformer under different temperatures, sorts out the measurement data and makes a detailed analysis, and summarizes the influence of temperature on the accuracy of the capacitive voltage divider electronic transformer, which has certain reference significance for the development of measurement work.