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Content Provider | IET Digital Library |
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Author | Tzelepis, Dimitrios Dysko, Adam Booth, Campbell D. Mirsaeidi, Sohrab Dong, Xinzhgou |
Abstract | This study presents a detailed DC-side fault analysis considering inductive termination of lines within a high-voltage multi-terminal direct current (MTDC) grid. The analysis aims to provide design guidelines for DC-side inductors, taking into account important aspects of protection such as the required speed of operation of relays and the performance characteristics of current interruption devices (i.e. of DC circuit breakers). Moreover, the impact of current limiting inductors on the fault signatures is investigated. In particular, it has been found that DC-side inductors not only limit the fault current level, but also the resulting signatures in voltage and current, can assist to enhance the speed of operation, stability and selectivity of protective functions for DC-side faults. The analysis has been extended to include the impact of inductive termination on fast transient phenomena known as travelling waves. Specifically, DC-side inductors can form a significant reflection boundary for the generated travelling waves. A deeper insight into the faults has been achieved by utilising wavelet transform. |
Starting Page | 1072 |
Ending Page | 1077 |
Page Count | 6 |
Volume Number | 2018 |
e-ISSN | 20513305 |
Issue Number | Issue 15, Oct (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/15 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.0266 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2018-07-18 |
Access Restriction | Open |
Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | Circuit Breaker Current Interruption Device Current Limiters Current Limiting Inductors DC Circuit Breaker DC-line Terminating Inductors DC-side Inductors Design GuideLine Detailed DC-side Fault Analysis Fault Current Fault Current Level Fault Diagnosis Fault Signatures High-voltage Multiterminal Direct Current Grid HVDC Power Transmission Inductive Termination Inductor Integral Transforms MTDC Grid Power Engineering Computing Power Grid Power Overhead Line Power System Protection Power Transmission Fault Power Transmission Protection Protective Function Switch Wavelet Transform |
Content Type | Text |
Resource Type | Article |
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