Earticle

초록

영어

Because of high reliability and other characteristics, High Voltage Direct Current (HVDC) Light system had important applications in power transmission system. In order to ensure its operation safety, the fault diagnosis technologies based on observer were researched. The model of HVDC light system was introduced, and the types and characteristics of the system were analyzed. Several common fault diagnosis methods were discusses, including method based on analytical model, method based on expert system and method based on neural network. A fault diagnosis observer was designed, the output waveforms of observer were observed and analyzed when the failure occurred, the type of fault was determined, and finally, the automatic detection of fault in HVDC system was achieved. The test simulation results showed that this method detected the occurrence of failures, identified the faults in characteristics and provided evidence for exclusion and maintenance of fault.

목차

Abstract
 1. Introduction
 2. HVDC System Model
  2.1. Modeling of HVDC System
  2.2. State Equations of HVDC Light Mathematic Model
 3. Fault and Diagnostic Methods of HVDC Light System
  3.1. Failure Types
  3.2. Fault Diagnosis Methods
 4. Realization of Fault Diagnosis of HVDC Light System
  4.1. Design of Fault Diagnosis Observer
  4.2. Output Simulation of Observer
  4.3. Comparing and Analyzing of the Output Waveform of Observer
  4.4. Waveform Analysis of Fault
 5. Conclusion
 References

키워드

저자

• Yiming Jiang [ School of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin, 300072, China ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Control and Automation

• 간기

  월간

• pISSN

  2005-4297

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605