Research on Reliability Evaluation Accuracy Model of Transmission and Transformation Circuit by Using Big Data Analysis Technology

Through the simulation of power line and its related infrastructure, the reliability evaluation index of power line is established. The index includes assessing the reliability of power systems from three main perspectives. The reasonableness of maintenance and repair decision is demonstrated by establishing a loop model of fault function group and taking fault function group as unit to make exponential statistics. By evaluating the power supply reliability of transmission lines, the mathematical model of transmission nodes of transmission lines is established. We need to carry out comprehensive reliability assessment of transmission lines and identify critical lines. Sensitivity analysis is used in the actual operation and maintenance of transmission lines, so as to provide a basis for the construction of transmission lines. The power network model of a certain city is established, the evaluation index is determined, and the emphasis and health level are divided. A comprehensive evaluation matrix is constructed to realize the classification of line reliability. This provides an important foundation for the operation management and other work of electric power enterprises.