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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.10 No.3
- 발행연도
- 2015.5
- 수록면
- 1,144 - 1,153 (10page)
이용수
초록· 키워드
오류제보하기
The resonant mechanism of reradiation interference (RRI) over 1.7MHz from power transmission lines cannot be obtained from IEEE standards, which are based on researches of field intensity. Hence, the resonance is ignored in National Standards of protecting distance between UHV power lines and radio stations in China, which would result in an excessive redundancy of protecting distance. Therefore, based on the generalized resonance theory, we proposed the idea of applying model-based parameter estimation (MBPE) to estimate the generalized resonance frequency of electrically large scattering objects. We also deduced equation expressions of the generalized resonance frequency and its quality factor Q in a lossy open electromagnetic system, i.e. an antennatransmission line system in this paper. Taking the frequency band studied by IEEE and the frequency band over 1.7 MHz as object, we established three models of the RRI from transmission lines, namely the simplified line model, the tower line model considering cross arms and the line-surface mixed model. With the models, we calculated the scattering field of sampling points with equal intervals using method of moments, and then inferred expressions of Pade rational function. After calculating the zero-pole points of the Pade rational function, we eventually got the estimation of the RRI’s generalized resonant frequency. Our case studies indicate that the proposed estimation method is effective for predicting the generalized resonant frequency of RRI in medium frequency (MF, 0.3~3 MHz) band over 1.7 MHz, which expands the frequency band studied by IEEE.
목차
Abstract
1. Introduction
2. Study of RRI Resonance Based on Field Intensity Analysis
3. Generalized Resonances in Open Electromagnetic Systems
4. RRI in Lossy Open Electromagnetic Systems and its Quality Factor
5. Case studies and analyses
6. Conclusion
References
참고문헌 (25)
참고문헌 신청
1. [단행본] - Z. Y. Liu / 2010 / Smart Gird Technology / China Electric Power Press : 326 ~ 332
2. [학술지(정기간행물)] - Z. B. Zhao / 2009 / Passive Interference to Radio Station Caused by UHV AC Transmission Line in Shortwave Frequency / High Voltage Engineering 35 (8) : 1818 ~ 1823
3. [학술지(정기간행물)] - X. W. Zhang / 2009 / Calculation of Radio Interference from HV AC Transmission Line to Aeronautical Radionavigation Stations / High Voltage Engineering 35 (8) : 1830 ~ 1835
4. [학술지(정기간행물)] - B. Tang / 2011 / Computation Model of the Reradiation Interference Protecting Distance between Radio Station and UHV Power Lines / IEEE Trans. Power Delivery 26 (2) : 1092 ~ 1100
5. [학술지(정기간행물)] - B. Tang / 2011 / Key Problems of Solving Reradiation Interference Protecting Distance between Power Transmission Line and Radio Station at MF and SF / Proceedings of the CSEE 31 (19) : 129 ~ 137
2. [학술지(정기간행물)] - Z. B. Zhao / 2009 / Passive Interference to Radio Station Caused by UHV AC Transmission Line in Shortwave Frequency / High Voltage Engineering 35 (8) : 1818 ~ 1823
3. [학술지(정기간행물)] - X. W. Zhang / 2009 / Calculation of Radio Interference from HV AC Transmission Line to Aeronautical Radionavigation Stations / High Voltage Engineering 35 (8) : 1830 ~ 1835
4. [학술지(정기간행물)] - B. Tang / 2011 / Computation Model of the Reradiation Interference Protecting Distance between Radio Station and UHV Power Lines / IEEE Trans. Power Delivery 26 (2) : 1092 ~ 1100
5. [학술지(정기간행물)] - B. Tang / 2011 / Key Problems of Solving Reradiation Interference Protecting Distance between Power Transmission Line and Radio Station at MF and SF / Proceedings of the CSEE 31 (19) : 129 ~ 137
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