Design and Implementation of Probabilistic Transient Stability Approach to Assess the High Penetration of Renewable Energy in Korea

Young-Been Cho, Yun-Sung Cho, Jae-Gul Lee and Seung-Chan Oh
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Young-Been Cho: School of Electronic and Electrical Engineering, Daegu Catholic University, Gyeongbuk 38430, Korea
Yun-Sung Cho: School of Electronic and Electrical Engineering, Daegu Catholic University, Gyeongbuk 38430, Korea
Jae-Gul Lee: Power System Analysis, Korea Electric Power Research Institute, Deajeon 34056, Korea
Seung-Chan Oh: Power System Analysis, Korea Electric Power Research Institute, Deajeon 34056, Korea

Sustainability, 2021, vol. 13, issue 8, 1-17

Abstract: Recently, because of the many environmental problems worldwide, Korea is moving to increase its renewable energy output due to the Renewable 3020 Policy. Renewable energy output can change depending on environmental factors. It is for this reason that institutions should consider the instability of renewables when linked to the electric system. This paper describes the methodology of renewable energy capacity calculation based on probabilistic transient stability assessment. Probabilistic transient stability assessment consists of four algorithms: first, to create probabilistic scenarios based on the effective capacity history of renewable energy; second, to evaluate probabilistic transient stability based on transient stability index, interpolation-based transient stability index estimation, reduction-based transient stability index calculation, etc.; third, to implement multiple scenarios to calculate renewable energy capacity using probabilistic evaluation index; and finally, to create a probabilistic transient stability assessment simulator based on Python. This paper calculated renewable energy capacity based on large-scale power system to validate consistency of the proposed paper.

Keywords: renewable energy; probabilistic transient stability; transient stability index; cumulative distribution functions (CDF); automatic simulation based on Python (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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