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| Content Provider | IET Digital Library |
|---|---|
| Author | Kumar, Manjathu Valappil Manoj Mishra, Mahesh Kumar |
| Abstract | This study proposes a new three-leg voltage source inverter (VSI)-based distribution static compensator (DSTATCOM) topology to compensate unbalanced and non-linear loads in low-voltage three-phase four-wire distribution systems. The proposed topology uses a three-leg VSI with a single DC storage capacitor. This scheme has an additional small AC capacitor which is connected between negative DC bus to the system neutral. As the proposed topology uses a single DC-link capacitor, the DC voltage balancing issues associated with the popular split capacitor neutral clamped VSI topology is avoided. Moreover, the topology is able to compensate neutral current without using four-leg inverter topology. Analysis and modelling of the proposed topology is explained in detail. Simulation studies are carried out to verify the performance of the proposed scheme and results are presented. The performance of the new topology has been compared with conventional three-leg two level split capacitor VSI-based DSTATCOM topology. Results are also experimentally verified on a laboratory prototype of DSTATCOM. |
| Starting Page | 2076 |
| Ending Page | 2084 |
| Page Count | 9 |
| ISSN | 17554535 |
| Volume Number | 8 |
| e-ISSN | 17554543 |
| Issue Number | Issue 11, Nov (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/8/11 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0044 |
| Journal | IET Power Electronics |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Capacitor Storage DC Storage Capacitor DC Voltage Balancing Distribution Network Invertors Low-voltage Three-phase Four-wire Distribution System Network Topology Neutral Current Compensation Nonlinear Load Compensation Power Electronics Power Supply Split Capacitor Neutral Clamped VSI Topology Static VAr Compensators Supervisory Circuit Three-leg Voltage Source Inverter-based Distribution Static Compensator Topology Three-leg VSI-based DSTATCOM Topology Unbalanced Load Compensation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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