Phase sequence generation device and method for power distribution network and application

The invention discloses a phase sequence generation device and method for a power distribution network and application, and relates to the technical field of phase sequence synchronous indication. The phase sequence generation device comprises a phase sequence generation module which is used for obtaining the phase sequence of the AC voltage signal before maintenance, taking the phase sequence as a specified phase sequence, and generating an analog AC voltage signal with the same phase sequence according to the specified phase sequence; the phase sequence generation method comprises a phase sequence generation step of obtaining a phase sequence of an alternating-current voltage signal before maintenance and taking the phase sequence as a specified phase sequence, and generating an analog alternating-current voltage signal with the same phase sequence according to the specified phase sequence; the application comprises the steps of obtaining a phase sequence of an alternating-current voltage signal before main