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| Content Provider | IET Digital Library |
|---|---|
| Author | Huang, Ying Li, Chunhua Liu, Tao |
| Abstract | Based on the hybrid HVDC transmission system, which is composed by line-commutated converter (LCC) in parallel with voltage source converter (VSC), a coordinated reactive power control strategy of hybrid-HVDC in both steady and transient states is proposed. The operation characteristics in situations like low load operation, filter switching, and de-locking process are analysed. Influence of the method to AC bus voltage and system power factor is taken into account. Three kinds of reactive control methods of VSC and LCC are studied, and the logical relationship between the filter and VSC reactive power controller is also given. Considering both the system voltage drop and the risk of commutation failure caused by AC faults, the VSC in voltage control mode is utilised to maintain AC bus voltage stability by providing emergency power support. Simulation results show the feasibility and effectiveness of presented control strategy, then the proposed strategy is applied in practical DC project, whose results achieve the desired effect by engineering field test. |
| Starting Page | 3349 |
| Ending Page | 3353 |
| 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.2018.8857 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-11-15 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/) |
| Subject Keyword | AC Bus Voltage AC Bus Voltage Stability AC Fault Commutation Commutation Failure Control of Electric Power System Coordinated Reactive Power Control Strategy D.C. Transmission De-locking Process Emergency Power Support Engineering Field Test Failure Analysis Filter Switching HVDC Power Converter HVDC Power Transmission Hybrid HVDC Transmission System LCC Line-commutated Converter Low Load Operation Power And Energy Control Power Factor Power Filter Power System Control Power System Stability Power Transmission Control Power Transmission Fault Power Transmission Reliability Reactive Power Control Reliability System Power Factor System Voltage Drop Transient State Voltage Control Voltage Control Mode Voltage Source Converter Voltage-source Converter VSC VSC Reactive Power Controller |
| Content Type | Text |
| Resource Type | Article |
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