Power distribution network maintenance method and system considering uninterrupted load transfer

The invention relates to the technical field of power distribution network maintenance, and provides a power distribution network maintenance method and system considering uninterrupted load transfer, and the method comprises the following steps: obtaining a topology model of a power distribution network, and obtaining the operation data of each operable switch in the topology model; according to the operation data of each operable switch and element in the topology model, screening the operable switch with the minimum opening and closing steady-state current caused when the switch is closed from the operable switches as an interconnection switch; and closing the interconnection switch, and carrying out partial power-off maintenance on the to-be-maintained line in the power distribution network. According to the invention, the operability switch with the minimum opening and closing steady-state current caused when the switch is closed is selected as the interconnection switch, so that the minimum influence on