INSULATION DEGRADATION DIAGNOSIS MODEL CREATION DEVICE, INSULATION DEGRADATION DIAGNOSIS DEVICE, AND INSULATION DEGRADATION DIAGNOSIS METHOD

Provided is an insulation degradation diagnosis apparatus that performs an insulation degradation diagnosis based on a partial discharge signal of an insulator, the device including: a characteristic diagram creation unit configured to create a ϕ-q-n characteristic diagram of a partial discharge signal of an insulator to be determined; an image creation unit configured to create a ϕ-q-n image having each pixel value based on each numerical value of a ϕ-q-n characteristic diagram; and a diagnosis unit configured to make a diagnosis on a presence or occurrence state of partial discharge in the insulator to be determined, using an insulation degradation diagnosis model which is created by learning a ϕ-q-n image having each pixel value based on each numerical value of a ϕ-q-n characteristic diagram of a partial discharge signal of an insulator for learning as training data associated with a presence or occurrence state of partial discharge.