This paper combines traveling wave distance measuring principle with the wavelet transform and applies it to the detection and localization of power system short-circuit fault to avoid the severity and multiple of line short-circuit fault. Firstly, according to the current or voltage traveling wave signals detected by traveling wave detection devices put on the bus bar ends, we take traveling wave distance measuring principle as the theoretical basis to extract signals. Then, using wavelet transform to process the signal in order to extract the singular points. Also, traveling wave fault location is established by using B-type double-terminal traveling wave fault location algorithm. Finally, in order to locate the fault precisely and make simulation on different fault types and different sampling frequencies to come to a conclusion, we make wavelet transform of the transient fault signals and make further simulation about the location of single-phase grounding fault.
목차
Abstract 1. Introduction 2. Double-ended Traveling Wave Principle 3. Double Terminal Method of Traveling Wave Fault Location 3.1 Extraction of Traveling-wave Signal 3.2 Synchronization of Two-side Fault Signal 4. Algorithm for Double Terminal Theory of Traveling Wave 4.1 Fixed Wave Velocity 4.2 Improve the System to Reduce Velocity’s Impact 5. Simulation 5.1 Single-phase Grounding Fault Simulation 5.2 Impact Made by Sampling Frequency to the Ranging Error 6. Conclusion References
Gang Ma [ School of Electric & Automation Engineering, Nanjing Normal University, Nanjing 210042, China, Electrical Engineering, Southeast University, Nanjing 210096, China ]
Linru Jiang [ School of Electric & Automation Engineering, Nanjing Normal University, Nanjing 210042, China ]
Kaihua Zhou [ School of Electric & Automation Engineering, Nanjing Normal University, Nanjing 210042, China ]
Guchao Xu [ School of Electric & Automation Engineering, Nanjing Normal University, Nanjing 210042, China ]
보안공학연구지원센터(IJCA) [Science & Engineering Research Support Center, Republic of Korea(IJCA)]
설립연도
2006
분야
공학>컴퓨터학
소개
1. 보안공학에 대한 각종 조사 및 연구
2. 보안공학에 대한 응용기술 연구 및 발표
3. 보안공학에 관한 각종 학술 발표회 및 전시회 개최
4. 보안공학 기술의 상호 협조 및 정보교환
5. 보안공학에 관한 표준화 사업 및 규격의 제정
6. 보안공학에 관한 산학연 협동의 증진
7. 국제적 학술 교류 및 기술 협력
8. 보안공학에 관한 논문지 발간
9. 기타 본 회 목적 달성에 필요한 사업
간행물
간행물명
International Journal of Control and Automation
간기
월간
pISSN
2005-4297
수록기간
2008~2016
십진분류
KDC 505DDC 605
이 권호 내 다른 논문 / International Journal of Control and Automation Vol.9 No.2