Fig. 1. Structure diagram of new type primary discharge unit

Fig. 2. Structure diagram of ring-shaped high voltage pulse capacitor

Fig. 3. Frequency sweeping result of impedance virtual part of ring-shaped high voltage pulse capacitor

Fig. 4. Experimental test platform for primary discharge unit

Fig. 5. Discharge current waveform under short circuit condition

Fig. 6. Discharge current waveform under matching load condition