A method for determining a power flow of a DG-connected distribution network and a computer storage medium. The method comprises: establishing, on the basis of parameters of N nodes in a DG-connected system, a nonlinear power flow equation for the system, and converting the nonlinear power flow equation to a linear-nonlinear hybrid equation for the system (11), wherein N is a positive integer; and determining, on the basis of the definition of a bilinear state variable and a solution of the linear-nonlinear hybrid equation for the system, phase differences between and voltages of the N nodes and phase differences between N-1 nodes (12).
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