Planning of HVDC system applied to Korea electric power grid

Dong Hee Choi, Soo Hyoung Lee, Gum Tae Son, Jung Wook Park, Seung Mook Baek

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1 Citation (Scopus)

Abstract

This paper proposes pre-analysis on planning of high-voltage direct current (HVDC) transmission system applied to Korea electric power grid. HVDC transmission system for interface lines has been considered as alternative solution for high-voltage AC transmission line in South Korea since constructing new high-voltage AC transmission lines is challenging due to political, environmental and social acceptance problems. However, the installation of HVDC transmission system as interface line in AC grid must be examined carefully. Thus, this paper suggests three scenarios to examine the influences of the installation of HVDC transmission system in AC grid. The power flow and contingency analyses are carried out for the proposed scenarios. Power reserves in metro area are also evaluated. And then the transient stability analysis focusing on special protection scheme (SPS) operations is analyzed when critical lines, which are HVDC lines or high voltage AC lines, are tripped. The latest generic model of HVDC system is considered for evaluating the impacts of the SPS operations for introducing HVDC system in the AC grid. The analyses of proposed scenarios are evaluated by electromechanical simulation.

Original languageEnglish
Pages (from-to)105-113
Number of pages9
JournalJournal of Electrical Engineering and Technology
Volume13
Issue number1
DOIs
Publication statusPublished - 2018 Jan

Bibliographical note

Funding Information:
This work was supported in part by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2016R1E1A1A02920095) and in part by the Human Resources Development program of Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by Korea government Ministry of Trade, Industry and Energy (No.2017 4030201540).

Publisher Copyright:
© The Korean Institute of Electrical Engineers.

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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