Vibration suspension electrode partial discharge analysis device and method based on negative feedback control

The invention discloses a vibration suspension electrode partial discharge analysis device based on negative feedback control, and the device comprises a model unit which comprises a high-voltage electrode and a grounding electrode, and a suspension electrode is disposed between the high-voltage electrode and the grounding electrode; the power supply unit is connected with the high-voltage electrode and the grounding electrode and provides test voltage for the model unit; the vibration generation unit is connected with the suspension electrode and provides a vibration signal for the model unit; the partial discharge measurement unit is used for measuring partial discharge signals in the model unit; and the signal control unit is used for acquiring the voltage signal and the vibration signal, and adjusting the limit of the vibration signal, so that the phase difference between the voltage signal and the vibration signal is kept constant. The defects in the prior art can be overcome, and the phase difference be