Allowable Capacity Estimation of DGs for New 70 kV Transmission System in Korea

Jaewoo Kim, Seung Mook Baek, Seok Ju Kang, Jung Wook Park

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

With the increase of renewable energy penetration and various types of load demand, the 70 kV transmission lines are needed in power system of South Korea. In order to apply the new voltage level to the power system, its stability and reliability must be preferentially verified. The limitation on total capacity of all distributed generations (DGs) in the new voltage level can guarantee the stability of power system. This paper proposes an estimation method for the allowable capacity of DGs in the 70 kV transmission system and its sub-distribution system. First, reasonable technical requirements are established based on the protective coordination, short circuit capacity, and voltage stability. Then, the allowable capacities of DGs are estimated for new 70 kV transmission system and its sub-distribution system. As a result, the hosting capacities acquired by investigation of the protection coordination and the short-circuit current are 160 MVA for the test system with a single type of DGs. On the other hand, the various hosting capacities are derived by studying the voltage stability of test system.

Original languageEnglish
Title of host publicationProceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages374-379
Number of pages6
ISBN (Electronic)9781538680865
DOIs
Publication statusPublished - 2019 Jun
Event1st IEEE Global Power, Energy and Communication Conference, GPECOM 2019 - Nevsehir, Turkey
Duration: 2019 Jun 122019 Jun 15

Publication series

NameProceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019

Conference

Conference1st IEEE Global Power, Energy and Communication Conference, GPECOM 2019
CountryTurkey
CityNevsehir
Period19/6/1219/6/15

Fingerprint

Distributed power generation
Electric insulation coordination
Short circuit currents
Voltage control
Electric potential
System stability
Electric lines

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

Cite this

Kim, J., Baek, S. M., Kang, S. J., & Park, J. W. (2019). Allowable Capacity Estimation of DGs for New 70 kV Transmission System in Korea. In Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019 (pp. 374-379). [8778564] (Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/GPECOM.2019.8778564
Kim, Jaewoo ; Baek, Seung Mook ; Kang, Seok Ju ; Park, Jung Wook. / Allowable Capacity Estimation of DGs for New 70 kV Transmission System in Korea. Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 374-379 (Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019).
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abstract = "With the increase of renewable energy penetration and various types of load demand, the 70 kV transmission lines are needed in power system of South Korea. In order to apply the new voltage level to the power system, its stability and reliability must be preferentially verified. The limitation on total capacity of all distributed generations (DGs) in the new voltage level can guarantee the stability of power system. This paper proposes an estimation method for the allowable capacity of DGs in the 70 kV transmission system and its sub-distribution system. First, reasonable technical requirements are established based on the protective coordination, short circuit capacity, and voltage stability. Then, the allowable capacities of DGs are estimated for new 70 kV transmission system and its sub-distribution system. As a result, the hosting capacities acquired by investigation of the protection coordination and the short-circuit current are 160 MVA for the test system with a single type of DGs. On the other hand, the various hosting capacities are derived by studying the voltage stability of test system.",
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Kim, J, Baek, SM, Kang, SJ & Park, JW 2019, Allowable Capacity Estimation of DGs for New 70 kV Transmission System in Korea. in Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019., 8778564, Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019, Institute of Electrical and Electronics Engineers Inc., pp. 374-379, 1st IEEE Global Power, Energy and Communication Conference, GPECOM 2019, Nevsehir, Turkey, 19/6/12. https://doi.org/10.1109/GPECOM.2019.8778564

Allowable Capacity Estimation of DGs for New 70 kV Transmission System in Korea. / Kim, Jaewoo; Baek, Seung Mook; Kang, Seok Ju; Park, Jung Wook.

Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 374-379 8778564 (Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Kim J, Baek SM, Kang SJ, Park JW. Allowable Capacity Estimation of DGs for New 70 kV Transmission System in Korea. In Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019. Institute of Electrical and Electronics Engineers Inc. 2019. p. 374-379. 8778564. (Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019). https://doi.org/10.1109/GPECOM.2019.8778564