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Controllable DC-link bridge-type FCL for low voltage ride-through enhancement of converter interfaced DG systems
Citation
Jalilian, A and Naderi, SB and Negnevitsky, M and Hagh, MT, Controllable DC-link bridge-type FCL for low voltage ride-through enhancement of converter interfaced DG systems, Electrical Power and Energy Systems, 95 pp. 653-663. ISSN 0142-0615 (2018) [Refereed Article]
Copyright Statement
Copyright 2017 Elsevier Ltd.
DOI: doi:10.1016/j.ijepes.2017.09.022
Abstract
Recently penetration level of converter-interfaced distributed generation (DG) systems has been increased in utility and will be more so in the future. To avoid grid instability, converter-interfaced DG should have low voltage ride through (LVRT) capability considering grid codes. An efficient scheme is proposed to enhance the LVRT capability of converter-interfaced DGs. The proposed LVRT technique employs a single phase controllable DC-link bridge type fault current limiter (CD-BFCL), which is placed in DC side of the converter. During normal condition, the CD-BFCL does not affect overall operation of converter-interfaced DG; whereas, during all AC faults including balanced, unbalanced, and transient repeated network faults, converter output AC currents are limited to a desired level. In this way, the converter-interfaced DG is capable to ride through faults even at the zero grid voltage during the AC grid faults. Analytics and modes of operation of the CD-BFCL are presented during switching intervals to demonstrate the efficiency of the proposed approach in limitation of converter over-current. The operation of the proposed method is proved through simulation studies in PSCAD/EMTDC. Also, a laboratory prototype is developed to validate the possibility of practical implementation of the CD-BFCL.
Item Details
Item Type: | Refereed Article |
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Keywords: | low voltage ride-through, distributed generation, voltage-sourced converter, DC-link, controllable fault current limiter |
Research Division: | Engineering |
Research Group: | Control engineering, mechatronics and robotics |
Research Field: | Field robotics |
Objective Division: | Manufacturing |
Objective Group: | Machinery and equipment |
Objective Field: | Machinery and equipment not elsewhere classified |
UTAS Author: | Naderi, SB (Dr Seyedbehzad Naderi) |
UTAS Author: | Negnevitsky, M (Professor Michael Negnevitsky) |
ID Code: | 124533 |
Year Published: | 2018 |
Web of Science® Times Cited: | 7 |
Deposited By: | Engineering |
Deposited On: | 2018-02-23 |
Last Modified: | 2018-04-23 |
Downloads: | 0 |
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