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Content Provider | IET Digital Library |
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Author | Savrun, Murat Mustafa Köroğlu, Tahsin Tan, Adnan Cuma, Mehmet Uğraş Bayindir, Kamil Çağatay Tümay, Mehmet |
Abstract | This study presents a new H-bridge DC-DC converter-based transformerless dynamic voltage restorer topology (DVR). The proposed system can compensate balanced and unbalanced voltage sag/swell that are the most common electrical power quality problems and offers advantages over conventional DVR topologies by providing the isolation with high-frequency transformer (HFT) rather than bulky injection transformers and by employing shunt converter to eliminate the requirement of an energy storage unit. The system is composed of H-bridge DC–DC converter equipped with a HFT with one primary and three secondary windings and transformerless DVR. The single-phase shift modulation method is used for each series converter independently to provide the bidirectional power flow control of DC–DC converter, whereas in-phase compensation method with a hybrid detection algorithm is used to mitigate voltage sag/swell. An LC filter is employed to attenuate the switching ripple harmonics on the output of the DVR. The performance of the proposed system is verified experimentally on a three-phase, three-wire, 380 V, 10 kVA prototype. |
Starting Page | 920 |
Ending Page | 926 |
Page Count | 7 |
ISSN | 17554535 |
Volume Number | 13 |
e-ISSN | 17554543 |
Issue Number | Issue 5, Apr (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/13/5 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2019.0687 |
Journal | IET Power Electronics |
Publisher Date | 2019-12-04 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Apparent Power 10.0 KVA Bidirectional Power Flow Control Bulky Injection Transformers Common Electrical Power Quality Problem Control of Electric Power System Conventional DVR Topology DC-DC Power Converter DC–DC Converter-based Transformerless Dynamic Voltage Restorer Topology Energy Storage Half-bridge Harmonics High-frequency Transformer In-phase Compensation Method Inductor Isolated H-bridge DC–DC Converter Load Flow Control Power Electronics Power Quality Improvement Power Supply Power Supply Quality Power System Control Series Converter Shunt Converter Single-phase Shift Modulation Method Supervisory Circuit Transformerless DVR Unbalanced Voltage Sag Voltage 380.0 V Voltage Control |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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