Automatic Checking Method For Power Flow Data Of Power Generation Dispatching Based On Similar Day Topology Identification
Due to the fluctuation of load status and power generation,it is difficult to control the verification error of power flow data.Therefore,an automatic verification method for power generation scheduling power flow data based on similar day topology identification is proposed.Firstly,by using the grid state matrix,the approximate states of the power series coefficients of each holomorphic function are calculated,and then the Pade'approximation algorithm is used to determine the similarity days of the grid state.Then,based on the determined similar days,the original large-scale topology node power flow equivalence problem is transformed into a series of small-scale model problems that can be solved in parallel,and the inertia information in the power grid generation scheduling plan is intro-duced into the gradient descent method.Finally,the distribution of power flow parameters in the power grid topology is identified using adaptive moment estimation,and the linear power flow topology distribution matrix with double random properties is solved to verify the power flow data.In the test results,the design method showed high stability and reliability in verifying the voltage amplitude,phase angle,and active power of each node in the power grid.
automatic verificationpower grid state matrixcoefficients of the power series of a holomorphic functionPad approxima-tion algorithmgradient descent methodadaptive moment estimationlinear power flow topology distribution matrix
万方数据
维普
