Abstract

고 고도 전자기 펄스(HEMP: High-altitude Electromagnetic Pulse)용 필터는 펄스 전류 주입(PCI: Pulsed Current Injection) 인수시험을 통해 인수기준을 충족하더라도, 실제 부하 장비를 연결하여 장비 운용 상태에서 실시하는 PCI 검증 시험수행 시에는 부하 장비의 전자기 전도 내성 수준에 따라서 장비가 손상될 수도 있다. 본 논문에서는 HEMP 방호시설에서 PCI 검증 시험 수행이 어려운 경우, 이에 대한 방안으로서 HEMP 필터의 PCI 인수시험 잔류 전류 측정값과 부하 장비의 과도 전자기 전도 내성 기준 값에 대한 특성인자(norm) 비교를 통해 필터 잔류 전류가 부하 장비에 미치는 영향분석 방법을 제안하였다. C4I(Command, Control, Communications, Computer, and Intelligence) 쉘터용으로 제작된 HEMP 필터와 쉘터 탑재장비를 활용하여 HEMP 필터 PCI 인수시험, 과도 전자기 전도 내성 시험 및 PCI 검증 시험을 수행하였고, 결과를 분석하였다. Although High-altitude electromagnetic pulse(HEMP) protection filter meets the requirements of pulsed current injection(PCI) acceptance test, the equipment under test which has low electromagnetic susceptibility level can be damaged during PCI verification test that is performed on operating condition of equipment. This paper proposed the HEMP effect analysis method using comparison of norms between residual current of HEMP filter and transient electromagnetic conducted susceptibility criteria of equipment, as an alternative method under the condition that performing PCI verification test is limited in HEMP hardened facilities. PCI acceptance test of HEMP filter, transient electromagnetic conducted susceptibility test, and PCI verification test are performed and test results are analyzed.

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