대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 1999년도 하계학술대회 논문집 E
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- Pages.2161-2163
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- 1999
임펄스 전류에 대한 ZnO 바리스터의 Pspice 모델
Pspice Model of a ZnO Varistor for Impulse Current
초록
Generally, ZnO varistors have dynamic characteristics that the cut-off voltage increases as the time to crest of the varistor current decreases. Dynamic characteristics of ZnO varistor are the most important factor in region of the steep front discharge current particularly. Also, V-I characteristics of ZnO varistor have hysterisis loop in time domain and frequency dependency. This paper deals with ZnO varistor numerical equation and modeling method which takes the behavior of varying clamping voltage into consideration during the time to crest, in range of
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