Fault detection based on rocov in a multi-terminal hvdc grid

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Abstract

Protection of a meshed VSC-HVDC grid is a challenge due to the behaviour of DC current and voltage signals during fault conditions. Protection systems must operate in a very short time range. Since fault detection should be very fast, local measurement based algorithms are mostly used; communication based algorithms lack the needed speed as a result of the communication time delay. This way, a ROCOV algorithm is proposed in this paper. This algorithm is analysed for different fault conditions.

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APA

Pérez Molina, M. J., Eguia Lopez, P., Larruskain, D. M., Etxegarai, A., & Apiñaniz-Apiñaniz, S. (2020). Fault detection based on rocov in a multi-terminal hvdc grid. Renewable Energy and Power Quality Journal, 18, 167–171. https://doi.org/10.24084/repqj18.260

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