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| Content Provider | IET Digital Library |
|---|---|
| Author | Roy, Naruttam Kumar Pota, Hemanshu Roy |
| Abstract | In this study, the significant effects of the load models used to analyse low-voltage power systems are presented and a systematic process for selecting appropriate load compositions to evaluate the performance of distribution systems containing distributed generation is proposed. The driving force behind, and key reasons for, voltage instability are analysed by evaluating different load models subjected to grid disturbances. The stability conditions of distribution systems are also checked through time-domain simulations performed on various network configurations, such as radial, loop, and mesh topologies. The system's responses to changes in the substation's voltage and contingency events are also demonstrated. It is found that the types and order of load models used greatly affect a system's voltage stability and therefore, an accurate load modelling is necessary to support the renewables integration in distribution systems. As the system's response is found to be sensitive to the network's topology and actual load composition, an approach that selects appropriate load compositions which, in turn, reduces the huge investment costs of improper planning, is proposed. The effectiveness of the proposed approach is verified by connecting static synchronous compensators to the network under varying load compositions. |
| Starting Page | 276 |
| Ending Page | 287 |
| Page Count | 12 |
| Volume Number | 1 |
| e-ISSN | 25168401 |
| Issue Number | Issue 4, Dec (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-esi/1/4 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-esi.2019.0020 |
| Journal | IET Energy Systems Integration |
| Publisher | The Institution of Engineering and Technology Tianjin University |
| Publisher Date | 2019-08-22 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
| Subject Keyword | Accurate Load Modelling Actual Load Composition Appropriate Load Compositions Control of Electric Power System Different Load Model Distributed Generation Distributed Power Generation Distribution Grid Distribution Network Distribution System Dynamic Performance Low-voltage Power System Power Grid Power System Control Power System Economics Power System Managemen Power System Operation Power System Stability Static VAr Compensators Substation System Topology Voltage Instability |
| Content Type | Text |
| Resource Type | Article |
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