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Content Provider | IET Digital Library |
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Author | Hou, Jiazuo Ma, Shicong Gong, Xuan Hu, Jiabing |
Abstract | Active power modulation of line-commutated converter (LCC)-based high-voltage direct current (HVDC) system is increasingly utilised, especially for the case of damping low-frequency oscillation associated with synchronous machine (SM) in electromechanical timescale (around 1 Hz). Many papers have tried to analyse the mechanism of damping effects, but almost rely on numerical studies, which cannot reveal the dynamic interaction between SM and DC-power-modulated LCC. This study proposes a small-signal model of DC-power-modulated LCC based on motion equation concept. With this model, analytical investigation of low-frequency oscillation from the scope of damping and synchronising powers is presented. Comparisons of analytical results and eigenvalues draw some general conclusions which offer insight into the dynamic behaviour. By examining the case of an SM connected to a DC-power-modulated LCC, simulations in MATLAB/Simulink are conducted to verify the analytical results. |
Starting Page | 1864 |
Ending Page | 1868 |
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.2018.8735 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2018-10-24 |
Access Restriction | Open |
Rights License | Creative Commons Attribution-No Derivs License (http://creativecommons.org/licenses/by-nd/3.0/) |
Subject Keyword | Active Power Modulation D.C. Transmission Damping Damping Effects DC-power-modulated LCC Eigen Values And Eigen Function Electromechanical Timescale High-voltage Direct Current HVDC Power Converter HVDC Power Transmission HVDC System Line-commutated Converter Low-frequency Oscillation MATLAB Simulink Environment Motion Equation Concept Oscillation Small-signal Model Synchronous Machine |
Content Type | Text |
Resource Type | Article |
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