Heating Problems When Using the Converter Station Grounding Grid as the HVDC Grounding Electrode

DOI

10.2991/icmia-16.2016.27How to use a DOI?

Keywords

convertor station grounding grid grounding electrode

Abstract

To ensure the safe and stable operation of HVDC systems without grounding electrode, this paper proposes a concept of replacing the HVDC grounding electrode with the converter station's grounding grid. This paper studies the technical problems of heating problem of grounding grid. The result shows that the ground down lead can't bear DC current in a long-term, which means the ground return current utilizes the feeder cable to run into the grid. The permitted operating time when the ground return current is 3000A should be limited within 10 minutes. If an HVDC link uses bipole blocking control strategy, the research helps eliminating the HVDC grounding electrode, which will greatly save the cost.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Huaifei Chen
AU  - Zhuohong Pan
AU  - Huifan Xie
AU  - Bo Tan
AU  - Xuefang Tong
PY  - 2016/11
DA  - 2016/11
TI  - Heating Problems When Using the Converter Station Grounding Grid as the HVDC Grounding Electrode
BT  - Proceedings of the 2016 5th International Conference on Measurement, Instrumentation and Automation (ICMIA 2016)
PB  - Atlantis Press
SP  - 150
EP  - 154
SN  - 1951-6851
UR  - https://doi.org/10.2991/icmia-16.2016.27
DO  - 10.2991/icmia-16.2016.27
ID  - Chen2016/11
ER  -