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| Content Provider | IET Digital Library |
|---|---|
| Author | Simiyu, Patrobers Xin, Ai Bitew, Girmaw T. Shahzad, Muhammad Kunyu, Wang Kamunyu, Peter M. |
| Abstract | The stable operation and control of the proposed terrestrial multi-terminal Voltage Source Converter (VSC) medium voltage DC (MVDC) distribution network is a remarkable motivation towards developing the future universal DC grid interconnecting the low voltage DC systems on one side and the high voltage DC systems on the other. The small-signal stability analysis are important in designing these power electronic based systems (PEBS). In this study, small-signal stability approaches for PEBS are reviewed with the aim of identifying suitable methods for the proposed MVDC distribution network. It is established that the impedance-based methods are suitable for local stability analysis complementing very well with the state-space modelling-eigenvalue analysis method best for global stability analysis. The Lyapunov linearisation method offers simple, adaptable, and accurate small-signal and large-signal stability study. On the other hand, the bifurcation analysis is an emerging non-linear approach with promising efficiency and precision. In conclusion, there is no single small-signal stability criterion that encompass an acceptable level of accuracy, adaptability, and efficiency. Thus, the impedance-based methods combined with state-space modelling-eigenvalue analysis, Lyapunov linearisation, and bifurcation theory can be suitable small-signal stability approaches for the multi-terminal MVDC distribution network. |
| Starting Page | 1068 |
| Ending Page | 1075 |
| Page Count | 8 |
| Volume Number | 2019 |
| e-ISSN | 20513305 |
| Issue Number | Issue 16, Mar (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/conferences/cn-adc-2018 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8842 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-10-23 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
| Subject Keyword | Accurate Small-signal Bifurcation Bifurcation Analysis Control of Electric Power System Distributed Power Generation Eigen Values And Eigen Function Fault Location Future Universal DC Grid Global Stability Analysis High-voltage DC System Impedance-based Method Large-signal Stability Study Local Stability Analysis Low-voltage DC System Lyapunov Linearisation Method Lyapunov Method Medium Voltage DC Distribution Network Multiterminal MVDC Distribution Network Multiterminal VSC MVDC Distribution Network PEBS Power Distribution Protection Power Electronic Based System Power Electronics Power Grid Power System Control Power System Stability Single Small-signal Stability Criterion Small-signal Stability Analysis Stability Stability in Control Theory Stable Operation State-Space Modelling-eigenvalue Analysis Method Suitable Small-signal Stability Approach Terrestrial Multiterminal |
| Content Type | Text |
| Resource Type | Article |
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