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      EMTP-RV를 이용한 CT포화 모델링 = EMTP-RV Modeling of CT Saturation

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      https://www.riss.kr/link?id=A82290262

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      다국어 초록 (Multilingual Abstract)

      A protection current transformer (CT) has been widely used for protection devices. When a fault occurs, a CT should provide the faithful reproduction of the primary fault current However, a CT may saturates due to the magnitude of fault current, dc component, primary time constant, and the remanent flux of the iron core, and the secondary current of a CT is distorted. The distorted current can cause mal-operation or the operating time delay of a protection relay. This paper provides a modeling of CT saturation using EMTP-RV. The performance of the proposed CT saturation modeling was investigated under various fault conditions varying the fault distance, fault inception angle, and remanent flux of the iron core. The results indicate that the proposed EMTP-RV modeling can operate correctly, and the reasons for CT saturation are verified by EMTP-RV simulations.
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      A protection current transformer (CT) has been widely used for protection devices. When a fault occurs, a CT should provide the faithful reproduction of the primary fault current However, a CT may saturates due to the magnitude of fault current, dc co...

      A protection current transformer (CT) has been widely used for protection devices. When a fault occurs, a CT should provide the faithful reproduction of the primary fault current However, a CT may saturates due to the magnitude of fault current, dc component, primary time constant, and the remanent flux of the iron core, and the secondary current of a CT is distorted. The distorted current can cause mal-operation or the operating time delay of a protection relay. This paper provides a modeling of CT saturation using EMTP-RV. The performance of the proposed CT saturation modeling was investigated under various fault conditions varying the fault distance, fault inception angle, and remanent flux of the iron core. The results indicate that the proposed EMTP-RV modeling can operate correctly, and the reasons for CT saturation are verified by EMTP-RV simulations.

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      목차 (Table of Contents)

      • Abstract
      • 1. 서론
      • 2. EMTP-RV를 이용한 CT포화 모델링
      • 3. 사례연구
      • 4. 결론
      • Abstract
      • 1. 서론
      • 2. EMTP-RV를 이용한 CT포화 모델링
      • 3. 사례연구
      • 4. 결론
      • [참고문헌]
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