A method of simulating the buckle relationship of metering points of 35kv line

Abstract

The invention discloses a method for simulating measuring point buckling relation of a 35kV line, wherein the method comprises the steps of 1, establishing an actual equipment simulating system; 2, calculating the buckling relation based on a simulating system, and the step comprises the processes of 2-1, setting two feed lines for measuring the load, the load type and instantaneous power of a user, 2-2, calculating the instantaneous power of a common transformer master meter by a PC according to the instantaneous power of a low-voltage user and a line loss rate, 2-3, making an analog power supply which corresponds with the common transformer master meter output the calculated voltage, the current and the phase by the PC, applying the calculated voltage, the current and the phase on the common transformer master meter, 2-4, calculating the instantaneous power and the power factor of a 10kV gateway meter according to a high-voltage side meter, a high-voltage side meter and the instantaneous power of the common transformer user, 2-5, making an analog power supply which corresponds with the 10kV feed line gateway meter output the calculated voltage, the current and the phase by the PC, and applying the calculated voltage, the current and the phase on the 10kV feed line gateway meter, 2-6, calculating the instantaneous power and power factor of a 35kV master meter according to the instantaneous powers of two 10kV feed line gateway meters, and 2-7, making an analog power supply which corresponds with the 35kV master meter output the calculated voltage, the current and the phase by the PC, and applying the calculated voltage, the current and the phase on the 35kV master meter.

Description

technical field [0001] The invention belongs to the field of metering simulation training in electric power systems, and in particular relates to a method for simulating the buckling relationship of metering points of a 35kV line. Background technique [0002] With the construction of the smart grid, the modern grid is becoming more and more complex and intelligent, and the national economic development has an increasing demand for electric energy. The existence of various complex factors will lead to errors in metering and electricity billing, such as: meter failure, metering line failure, current transformer selection mismatch, electricity stealing behavior of electricity customers, etc. It will bring unknown economic losses to the country or electricity customers, and seriously affect the image of power supply companies. Improving the professional knowledge and technical level of the staff has become one of the important tasks of the State Grid Corporation of China. [...

AI Technical Summary

Problems solved by technology

Because the actual on-site system is very large, it is impossible to fully contact and understand the structure and operation of the system, which makes the efficiency of skill level improvement low

Images