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| Content Provider | IET Digital Library |
|---|---|
| Author | Dhar, Snehamoy Dash, Pradipta Kishore |
| Abstract | A new differential current-based fast fault detection and accurate fault distance calculation is proposed for photovoltaic (PV)-based DC microgrid. A multiterminal direct current (MTDC) distribution network is studied as an adequate solution for present low-voltage utility grid scenario, where local distributed generators (DGs) are incorporated primarily by power electronics based DC–DC converters, DC–AC voltage-source converters (VSCs). PV and diesel generator (as auxiliary source) are considered for cascaded common DC bus, and AC utility bus integration is achieved by VSC unit for the proposed MTDC network. DC microgrid protection is quite significant research focus due to the absence of well-defined standards. Pole-to-pole, pole-to-ground, PV-side DC series and ground arc faults are basically considered as DC distribution network hazards. A discrete model differential current solution is considered to detect, classify and locate the faults by modified cumulative sum average approach. A comprehensive case study is presented with different DC loadings, to deliberate effectiveness of the proposed protection scheme in terms of percentage error and trip time (Ts). The result verification is conducted in MATLAB environment as well as TMS320C6713 digital signal processor-based test bench with the proposed multiple DGs based DC microgrid. |
| Starting Page | 778 |
| Ending Page | 790 |
| Page Count | 13 |
| ISSN | 17521416 |
| Volume Number | 11 |
| e-ISSN | 17521424 |
| Issue Number | Issue 6, May (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-rpg/11/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0577 |
| Journal | IET Renewable Power Generation |
| Publisher Date | 2017-02-13 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC Utility Bus Integration Adaptive Threshold Cascaded Common DC Bus DC Distribution Network Hazards DC Microgrid Protection DC-AC Power Converter DC-AC Voltage-source Converter DC-DC Converter DC-DC Power Converter Diesel Generator Differential Current-based Fault Protection Discrete Model Differential Current Solution Distributed Power Generation Distribution Network Fault Distance Calculation Ground Arc Fault Local Distributed Generator Low-voltage Utility Grid MATLAB Environment Modified Cumulative Sum Average Approach MTDC Distribution Network Multiple Photovoltaic-based DC Microgrid Multiterminal Direct Current Distribution Network Photovoltaic Generator Pole-to-ground DC Series Pole-to-pole DC Series Power Distribution Protection Power Electronics Power Generation Protection Power Supply Power System Protection PV-side DC Series Supervisory Circuit TMS320C6713 Digital Signal Processor Voltage-source Converter |
| Content Type | Text |
| Resource Type | Article |
| Subject | Renewable Energy, Sustainability and the Environment |
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