Application Research Of Electric Network Analysis Method In Analysis Of County Power Electricity Theft

The work for anti electricity theft is one of the important issues of long-term concern for the power companies.This paper studies the anti electricity theft technology for the county power supply network.Based on the knowledge of electrical network theory,and from the perspective of the power flow analysis,this paper studies the characteristics of the electrical networks which containing electricity theft behavior.The electrical networks which containing single electricity theft and several electricity thefts were analyzed by using the power system node voltage equations.The formula for calculating the operating parameters of the system before and after the occurrence of electricity theft is derived,and the parameters and methods suitable for electricity theft identification are obtained.Taking the IEEE-14 system as an example,the Matlab power flow program is used to calculate the operation status of each point of electricity theft,and the estimating for the range of electricity thief is carried out.The results of simulation analysis show the feasibility of the anti electricity theft method.The anti electricity theft method is applied in the county power supply network,a simulation model of PowerWorld for the network is constructed,and the power flow simulation,the load impact simulation and the electricity theft network operation simulation are carried on.These simulation experiments show the effectiveness of the method..