Proposal of Performance Evaluation Methodology for Hydropower Reservoirs with Resilience Index

Dong Hyun Kim; Hyung Ju Yoo; Hong-Joon Shin; Seung Oh Lee

doi:10.21729/ksds.2022.15.1.47

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2022 Vol.15, Issue 1 Preview Page

Original Article

Proposal of Performance Evaluation Methodology for Hydropower Reservoirs with Resilience Index 회복탄력성을 고려한 발전용댐의 성능평가 방법론 제안

31 March 2022. pp. 47-56

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Abstract

Recently, water resources and energy policies such as integrated water management and carbon neutrality are changing rapidly. There is an opinion that the value of hydropower reservoirs related to these policies should be re-evaluated. In the past, they have contributed to flood control in addition to electricity generation, such as operating at a limited water level during the flood season, but loss of power generation is inevitable with this operation. Therefore, this study introduced the concept of resilience to the hydropower generation system to minimize the power loss. A framework for evaluating the power generation performance of them was presented by defining the maximization of electricity sales as performance. Based on the current procedure of multiple operation plan, a scenario was established and simulation was performed using HEC-5. As a result of applying to the framework, it was confirmed that the power generation performance according to each scenario was evaluated as an important factor. And it was confirmed that the performance of flood control and water use could also be evaluated.

Keywords

Resilience

Hydropower reservoir

Multiple reservoir operation

Power generation

통합물관리, 탄소중립 등 수자원 및 에너지 정책이 급변하는 가운데 모두 연관성이 있는 발전용댐의 가치를 재평가해야한다는 의견이 제기되고 있다. 발전용댐은 홍수기에 제한수위를 두어 운영을 하는 등 과거부터 전력생산 외에도 홍수조절 등에 기여해왔으나 이러한 운영방식은 전력손실이 불가피하다. 이에 본 연구는 발전용댐의 전력손실을 최소화하기 위하여 수력발전의 전력생산 시스템에 회복탄력성의 개념을 도입하고 전력판매액의 최대화를 발전성능으로 정의하여 발전용댐의 발전성능을 평가할 수 있는 프레임워크를 제시하였다. 현행 연계운영계획 수립 절차를 기반으로 댐 모의 운영 시나리오를 구축하고 HEC-5를 활용하여 댐 모의 운영을 수행하였다. 수행된 결과자료를 활용하여 제시된 프레임워크에 적용하여 각 시나리오에 따른 발전성능이 중요한 요소로 평가됨을 확인되었고 부가적으로 이·치수 성능도 평가할 수 있음을 확인하였다. 향후 다양한 시나리오를 기반으로 경제성 분석이 수반되어 비용과 편익이 산정된다면 시나리오별 경제적 효과 및 기회비용 등을 명확히 비교할 수 있을 것으로 판단된다.

키워드

회복탄력성

발전용댐

연계운영

발전성능

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Korean References Translated from the English

김동현, 유형주, 신홍준, 이승오 (2021). 발전용댐의 성능 평가를 위한 회복탄력성 적용방안 제시. 한국수자원학회. 54(4): 279-287.

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Information

Publisher :Korean Society of Disaster and Security
Publisher(Ko) :한국방재안전학회
Journal Title :Journal of Korean Society of Disaster and Security
Journal Title(Ko) :한국방재안전학회 논문집
Volume : 15
No :1
Pages :47-56
Received Date : 2022-03-05
Revised Date : 2022-03-17
Accepted Date : 2022-03-21
DOI :https://doi.org/10.21729/ksds.2022.15.1.47

Journal of Korean Society of Disaster and Security ISSN:2466-1147(Print) 2508-285X(Online) 한국방재안전학회 논문집

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Korean References Translated from the English