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Content Provider | IET Digital Library |
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Author | Zhang, Wenqian Du, Zhaobin Huang, Changshu Xia, Chengjun Zhang, Yao |
Abstract | With the interconnection of large power networks, transient voltage stability of AC/DC power systems has been paid more attention in recent years. To investigate main influence of generating facility, high-voltage direct current (HVDC) and motor load for transient voltage stability, from the perspective of the generalised branch potential energy, the new indexes, and analysis method is proposed here. First, an energy function for AC/DC system is constructed with major dynamic components, namely classical HVDC control systems and motors in third-order model. Accordingly, the influence effects of the above major dynamic elements are investigated based on indexes from the corresponding generalised branch potential energy. With the rule of change in transient potential energy distribution in the network and information in stability margins, an evaluating procedure is established. Here, the judgment of transient voltage stability employs a heuristic energy function method. Finally, simulation tests on three-machine system with a HVDC transmission line are conducted in PSAT package, and the obtained results demonstrate the feasibility and effectiveness of the proposed method. |
Starting Page | 1247 |
Ending Page | 1251 |
Page Count | 5 |
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.2018.8880 |
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 License (http://creativecommons.org/licenses/by/3.0/) |
Subject Keyword | A.C. Machine AC-DC Power System Classical HVDC Control System Control of Electric Power System Corresponding Generalised Branch Potential Energy D.C. Machines D.C. Transmission Dynamic Component Electric Motors Generalised Branch Potential Energy Heuristic Energy Function Method High-voltage Direct Current HVDC Power Transmission Motor Load Power System Control Power System Fault Power System Transient Stability Power Transmission Control Power Transmission Line PSAT Package Simulation Tests Stability Margins Third-order Model Three-machine System Transient Potential Energy Distribution Transient Voltage Stability |
Content Type | Text |
Resource Type | Article |
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