Temporary Fault Ride-Through Method in Power Distribution Systems with Distributed Generations Based on PCS

Jung-Hun Lee, Seung-Gyu Jeon, Dong-Kyu Kim, Joon-Seok Oh and Jae-Eon Kim
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Jung-Hun Lee: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Korea
Seung-Gyu Jeon: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Korea
Dong-Kyu Kim: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Korea
Joon-Seok Oh: Department of Distribution Planning, Korea Electric Power Corporation (KEPCO), Naju 58322, Korea
Jae-Eon Kim: School of Electric Engineering, Chungbuk National University, Cheongju 28644, Korea

Energies, 2020, vol. 13, issue 5, 1-15

Abstract: The current practice of Distributed Generation (DG) disconnection for every fault in distribution systems has an adverse effect on utility and stable power trading when the penetration level of DGs is high. That is, in the process of fault detecting and Circuit Breaker (CB) reclosing when a temporary fault occurs, DGs should be disconnected from the Point of Common Coupling (PCC) before CB reclosing. Then all DGs should wait at least 5 minutes after restoration for reconnection and cannot supply the pre-bid power in power market during that period. To solve this problem, this paper proposes a control method that can keep operating without disconnection of DG. This control method is verified through modeling and simulation by the PSCAD/EMTDC software package for distribution systems with DGs based on PCS (Power Conditioning Systems) and CB reclosing protection.

Keywords: fault restoration; distribution generation; temporary fault ride-through; voltage control; inrush current control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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