Abstract
With the emerging growth of high-voltage direct current (HVDC) transmission in modern power systems, the HVDC grid has become a hot topic in recent academic research and real projects. In the DC grid, DC faults can have very serious consequences, and so the faulty DC parts need to be rapidly isolated from the system. Compared to the full-bridge converters for the DC grid, DC circuit breakers are preferred to deal with this problem economically. In this paper, the self-excited resonant DC circuit breaker is reviewed. Then, a novel scheme of hybrid DC circuit breaker is introduced, and the operation principle of the proposed circuit breaker is described in detail. Finally, a four-terminal HVDC grid based on a modular multilevel converter (MMC) is used as the DC test system in PSCAD/EMTDC to verify the validity of the proposed DC circuit breaker. From the simulation results, it is seen that the proposed DC circuit breaker has advantages on current interruption time, voltage on DC circuit breaker, investment, etc.
| Original language | English |
|---|---|
| Pages (from-to) | 465-473 |
| Number of pages | 9 |
| Journal | IEEJ Transactions on Electrical and Electronic Engineering |
| Volume | 12 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2017 Jul |
Bibliographical note
Funding Information:This work was supported by the Human Resources Development Program (No. 20134030200340) of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Trade, Industry and Energy. QG gratefully acknowledges the financial support provided by the China Scholarship Council (No. 2010612112) for his study at the Korea University.
Publisher Copyright:
© 2017 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
Keywords
- DC grid
- HVDC circuit breaker
- HVDC transmission
- power system simulation
ASJC Scopus subject areas
- Electrical and Electronic Engineering