한국조명전기설비학회:학술대회논문집 (Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference)
- 한국조명전기설비학회 2008년도 춘계학술대회 논문집
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- Pages.57-60
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- 2008
대지저항률에 따른 접지임피던스의 주파수 의존성
Frequency Dependent Grounding Impedance As a Function of Soil Resistivity
- 발행 : 2008.05.08
초록
A design criterion of grounding systems is commonly based on low frequency resistance in Korea. When lightning surges which have high frequency components are injected into the grounding system, the grounding impedance is greatly different from the static grounding resistance. This paper presents the grounding adimittance and phase on the frequency range from 100 [Hz] to 15 [MHz] using water tank simulating the grounding system in different water resistivities. As a result, capacitive effect is dominant over the frequency of 100 [kHz] at the water resistivity of 1,000 [
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