A Fast Protection of Multi-terminal HVDC System Based on Transient Signal Detection

Lian Liu; Zhou Liu; Marjan Popov; Peter Palensky; Mart van der Meijden

doi:10.1109/TPWRD.2020.2979811

A Fast Protection of Multi-terminal HVDC System Based on Transient Signal Detection

Lian Liu, Zhou Liu, Marjan Popov, Peter Palensky, Mart van der Meijden

Intelligent Electrical Power Grids

Research output: Contribution to journal › Article › Scientific › peer-review

46 Citations (Scopus)

60 Downloads (Pure)

Abstract

HVDC technologies are widely acknowledged as one of solutions for the interconnection of renewable energy resources with the main electric power grid. The application of the latest modular multi-level converter (MMC) makes power conversion much more efficient. Due to the relatively low impedance in a DC system, DC fault currents may rise to an extremely high level in a short period of time, which can be very dangerous for HVDC converters. To improve the sustainability and security of electricity transmission, protection solutions for HVDC systems are being developed. Nevertheless, they have various drawbacks on fault signal detection and timely clearance. This paper proposes a protection method that provides a fast and reliable solution addressing those drawbacks. A protection algorithm based on travelling wave simulation and analysis is proposed to detect abrupt transient signals. The algorithm shows high efficiency, reliability, selectivity and has low sampling frequency requirements. The proposed protection method has been validated through a cyber-physical simulation platform, developed using a real-time digital simulator (RTDS) and IEC 61850 communication links. The obtained results show that the proposed method has good potential for practical applications.

Original language	English
Article number	9031399
Pages (from-to)	43-51
Number of pages	9
Journal	IEEE Transactions on Power Delivery
Volume	36
Issue number	1
DOIs	https://doi.org/10.1109/TPWRD.2020.2979811
Publication status	Published - 2020

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

Electromagnetic transients (EMT)
high voltage direct current (HVDC)
modular multi-level converter (MMC)
protection
real time digital simulator (RTDS)
signal processing
voltage source converter (VSC)
IEC 61850

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TPWRD.2020.2979811

09031399Final published version, 3.55 MB

Cite this

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title = "A Fast Protection of Multi-terminal HVDC System Based on Transient Signal Detection",

abstract = "HVDC technologies are widely acknowledged as one of solutions for the interconnection of renewable energy resources with the main electric power grid. The application of the latest modular multi-level converter (MMC) makes power conversion much more efficient. Due to the relatively low impedance in a DC system, DC fault currents may rise to an extremely high level in a short period of time, which can be very dangerous for HVDC converters. To improve the sustainability and security of electricity transmission, protection solutions for HVDC systems are being developed. Nevertheless, they have various drawbacks on fault signal detection and timely clearance. This paper proposes a protection method that provides a fast and reliable solution addressing those drawbacks. A protection algorithm based on travelling wave simulation and analysis is proposed to detect abrupt transient signals. The algorithm shows high efficiency, reliability, selectivity and has low sampling frequency requirements. The proposed protection method has been validated through a cyber-physical simulation platform, developed using a real-time digital simulator (RTDS) and IEC 61850 communication links. The obtained results show that the proposed method has good potential for practical applications.",

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A Fast Protection of Multi-terminal HVDC System Based on Transient Signal Detection

Abstract

Bibliographical note

Keywords

UN SDGs

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