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이영근(Yeung-Geun Lee),주재현(Jae-Hyun Ju),김상구(Sang-Ku Kim),이광식(Kwang-Sik Lee),이동인(Dong-In Lee) 한국조명·전기설비학회 1993 한국조명·전기설비학회 학술대회논문집 Vol.1993 No.-
This paper shows the discharge characteristics of liquid nitrogen under plane to plane electrode, needle to plane electrode, inserting teflon insulator in plane to plane electrode at atmospheric pressure. The main experimental device of this paper is cryostat. The important results obtained from this study are as follows. ① Breakdown voltage of LN₂ under N-P electrode is higher than that of under P-P electrode at atmospheric pressure. ② Breakdown duration time is longer with increase of electrode gap under the P-P, N-P electrodes. ③ The formation of bubbles by evaporation is observed in spite of non-applying source at atmospheric pressure and the creation of corona confirmed. ④ Breakdown voltage and breakdown duration time are in proportion to increase of diameter in case of inserting teflon insulator. ⑤ Partial discharge characteristics of thickness 0.5[mm] is that corona voltage of teflon insulator rose with increase of diameter in each [pps].