Enhancing Line Capacity Utilization in Power Transmission System Using Active MVDC Link

Changhee Han, Sungyoon Song, Juyong Kim and Gilsoo Jang
Additional contact information
Changhee Han: School of Electrical Engineering, Korea University, Anam-ro, Sungbuk-gu, Seoul 02841, Korea
Sungyoon Song: School of Electrical Engineering, Korea University, Anam-ro, Sungbuk-gu, Seoul 02841, Korea
Juyong Kim: Korea Electric Power Corporation (KEPCO), Naju-si, Jeollanam-do 58322, Korea
Gilsoo Jang: School of Electrical Engineering, Korea University, Anam-ro, Sungbuk-gu, Seoul 02841, Korea

Energies, 2019, vol. 12, issue 9, 1-23

Abstract: As a proportion of generation using renewable energy increases in a power system, the need for facility investment is increasing in not only the distribution system but also the transmission system. However, it is inefficient to invest in new equipment to deal with the short peak output of renewable energy generation. For this reason, this paper proposes a method for operating the grid more flexibly, through an optimal operating strategy of the direct current (DC) line at medium-voltage (MV) level, thereby delaying the facility investment in the transmission line. In order to determine the optimal operating point of the converter connected with a DC line, the swarm intelligence-based optimization technique, which can minimize multi-objective function, is used. In addition, in order to overcome the communication dependency of the centralized control, which needs to receive information about the optimal operating point computed by the system operator, this paper proposes a decentralized emergency control (DEC) method in case of a communication fault.

Keywords: medium voltage direct current; multi-objective optimization; operation strategy; voltage source converter (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: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
https://www.mdpi.com/1996-1073/12/9/1589/pdf (application/pdf)
https://www.mdpi.com/1996-1073/12/9/1589/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:12:y:2019:i:9:p:1589-:d:226084

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().