우리나라의 표준유역별 연간 소수력발전가능량 산정

유인상(Yu In sang),김하용(Kim Ha yong),정상만(Jeong Sang man) 한국방재학회 2017 한국방재학회논문집 Vol.17 No.6

본 연구에서는 우리나라 840개 표준유역을 대상으로 연평균강우량을 수집하고 티센망을 구축하였으며 티센망을 통해 면적강우량을 산정하고 표준유역별 연평균유량을 산정하였다. 산정된 연평균유량에 단위낙차, 발전소 효율, 가동률 등을 고려하여 연간 소수력발전가능량을 산정하였다. 산정결과, 한강권역에서의 표준유역 최대 소수력발전가능량은 17,917.2MWh, 평균 572.2MWh로 산정되었으며 낙동강권역에서 최대 13,051.0MWh, 평균 1,318.2MWh, 금강권역에서 최대 6,587.3MWh, 평균 1,074.9MWh, 섬진강권역에서 최대 4,146.0MWh, 평균 760.3kW, 영산강권역에서 최대 2,699.6MWh, 평균 487.1MWh 순서로 산정되었다. 또한, 소수력발전가능량이 1,000MWh 이하인 표준유역이 708개로 전체 중 84.3%인 것으로 분석되었으며 1,000MWh 초과 5,000MWh 이하인 표준유역은 84개로 전체의 10%, 5,000MWh 초과 10,000MWh 이하인 표준유역은 32개로 전체의 3.8%, 10,000MWh 초과인 표준유역이 16개로 전체의 1.9%인 것으로 분석되었다. In this study, annual average precipitation was constructed and Thiessen network was developed according to 840 standard basin in Korea. Annual average discharge was estimated by applying areal rainfall through Thiessen network. Annual small hydro-electric power was calculated considering annual average discharge, unit head drop, power plant efficiency and operating ratio. The results showed that the maximum small hydro-electric power of standard basin was 17,917.2 MWh and has an average of 1,572.2 MWh from all the standard basins found on the boundary area of the Hangang basin, and for the Nakdonggang, 13,051 MWh was found to be the maximum power of standard basin and has an average of 1,318.2 MWh from all the standard basins. Also, the Geumgang’s, Seomjingang’s and Yeongsangang’s maximum small hydro-electric power of standard basin resulted to a value of 6,587.3, 4,146, and 2,699.6 MWh respectively with an average small hydro-electric power from all the standard basin of 1,074, 760.3 and 487.1 MWh respectively. Furthermore, it was found out that under the 0-1,000 MWh range, 708 standard basins or represents 84.3% of the over-all percentage fall under this category, while for the 1,000-5,000 MWh mark, a total of 84 or 10% were included and for the 5,000-10,000 MWh and over the 10,000 MWh limit, a result of 32 standard basins or 3.8% and 16 standard basins or 1.9% of the over-all percentage were recorded respectively.

수력발전소 설비 신뢰성 분석을 위한 FMEA

권창섭(Kwon Chang Seob),전태보(Jeon Tae Bo) 강원대학교 산업기술연구소 2006 産業技術硏究 Vol.26 No.1

The significance of hydro-power plant is increasing in its public roles such as flood control and water supply as well as electric power production. Even if high level of reliability in facility operation is required, no specific reliability research has been made. This specifically stems from the lack of technology and research investments. The eventual goal of this study is to secure a methodology for reliability analysis of hydro-power plant so that an appropriate decision for operation and investment can be made. Specific effort was put to develop a reliability model for water supply system within hydro-power plant. For this study, we briefly examined the overview of the hydroUpower plant including the electric power generation facility system. We then discussed the facility reliability analysis methodology for hydro-power plant. Based on rigorous examination of the water supply system and components roles, we drew major failure modes for each component and examined their effects.

태양광/풍력/수력발전에 대한 에코효율성 평가 연구

차경훈 ( Kyoung Hoon Cha ) 한국전과정평가학회 2014 한국전과정평가학회지 Vol.15 No.1

경제성장을 위한 화석연료의 사용은 지구온난화, 자원고갈과 같은 환경문제를 야기하였고, 최근 들어 이러한 환경문제는 전세계로 하여금 풀어야 할 숙제로 받아들여지고 있다. 환경문제에 대한 해법으로서 에너지 시스템 의 신재생에너지화가 논의되고 있는데 이는 신재생에너지가 태양, 바람, 비, 조수차, 지열 등 자연으로부터 발생 되는 친환경 에너지이기 때문이다. 2008년을 기준으로 약 18%가 신재생에너지로부터 발생되었고 세부 항목을 보면 13%가 바이오매스, 3.2%가 수력, 1.8%가 기타이다 신재생에너지는 연간 약 2.7%의 성장률을 보이며 발전하고 있고, 우리나라 역시 18%가 신재생에너지의 점유율로 그중 15%가 수력, 3%가 기타 기원의 에너지원이다. 이렇듯 우리나라 역시 풍력, 수력, 태양광 등의 신재생에너지에 대한 많은 관심을 가지고 있으며 이를 정책적으로 활용하기 위해 다양한 노력을 하고 있다. 본 연구는 환경성과 경제성을 동시에 평가하는 에코효율성 측면에서 신재생에너지의 도입 방안을 마련하고자 하는 것을 목적으로 가지고 있다. 연구 결과 풍력이 환경적으로, 수력이 경제적으로 가장 경쟁력이 있고, 에 코효율성 측면에서는 풍력발전이 가장 좋은 대안으로 도출되었다. 이는 풍력발전의 경우 타 에너지에 비해 작은 투입물질 및 에너지가 요구되고, 상대적으로 간단한 인프라가 필요하기 때문이다. The indiscreet use of fossil fuel for the economic growth caused the environmental problem such as global warming and resource depletion. Recently, the world has recognized the seriousness of environmental problem and makes an effort to solve the trouble. The renewable energy goes down as a solution in other to improve the energy system that has environmental problems. Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable (naturally replenished). In 2008, about 19% of global final energy consumption came from renewables, with 13% coming from traditional biomass, which is mainly used for heating, and 3.2% from hydro electricity. Renewables (small hydro, modern biomass, wind, solar, geothermal, and biofuels) accounted for another 2.7% and are growing very rapidly. The share of renewables in electricity generation is around 18%, with 15% of global electricity coming from hydro electricity and 3% from renewables. In Korea, wind, hydro, and photovoltaic power are mainly researched and developed in the sorts of renewable energy, because they have high turnover in the sorts of renewable energy and are involved in the main technology of green growth policy. This study aims at identifying the effective introduction method of renewable energy in the context of the environmental and economic aspects using eco-efficiency. As a result, wind power has the high environmental priority and hydro power has the high economic priority in the target renewable energy. Wind power is the best alternative in the context of eco-efficiency aspect. lt is reason that wind power has a little input materials, energy and a simple infrastructure.

An Application Case Study of Improving Performance of Small Hydro-power

김상균(Kim, Sang-Gyun),박지군(Park, Ji-Kun),이연주(Lee, Yeon-Ju) 한국신재생에너지학회 2011 한국신재생에너지학회 학술대회논문집 Vol.2011 No.11

In this paper, it is intended to study about deferences of design and operation properties between large and small hydro-power house's turbine which type is reaction. In generally, turbine of large hydro-power has a more safe and effective energy output mechanisms than small hydro-power's because the turbine of small hydro-power is more sensitive to hydraulic losses. But, it is more effective for the all energy market to improve the capability and efficiency of small hydro-power in the present status of increasing construction of small hydro-power than large hydro-power. Therefore, we intend to investigate and introduce the way to enhance the efficiencies of reaction turbine adopted to small hydro-power.

원자력 발전의 위험인식, 효용인식, 투명성이 사회적 수용성에 미치는 영향

이민재,정진섭,박기성 한국기업경영학회 2014 기업경영연구 Vol.21 No.4

The world is now paying attention to nuclear power as a key measure to solve the current issues, such as fossil fuel depletion and high oil prices, as well as greenhouse gas emissions followed by UN Framework Convention on Climate Change. Despite there is a growing need for nuclear power as national energy source, the current Fukushima plant crisis and a closed policy of nuclear plant operator have produced the negative perception that nuclear power is unsafe with potential radiation leaks from any of the nation’s nuclear power plants in Korea. This study aimed at promoting public acceptability of unclear power and diverting a negative image for Korea Hydro and Nuclear Power(KHNP) Company. After a critical review of literature on socio-economic impact of nuclear power, we proposed a new analytical model for the causal paths toward a public acceptability of unclear power. Perceived risk, perceived usefulness, transparency and trustworthiness were employed in the structural equating model as critical factors in determining public acceptability of nuclear power. Especially, trustworthiness was used as a mediating variable. First, perceived risk is expected as one of the key determinants as an increased awareness of the risk negatively affects public acceptability, and the other way around. Second, perceived (economic and social) usefulness is expected as one of the key determinants as local residents’ acceptances are influenced by their economic reliance on nuclear-related facilities. Third, transparency is also expected as one of the key boosting public acceptability of nuclear power as transparency and fairness over policy decisions are associated with policy acceptance. Fourth, the important issue underlying the debate over the acceptance of nuclear power is a low level of confidence; hence trustworthiness is used to estimate the mediating effect on a public acceptability of nuclear power. The results showed that perceived risk, perceived usefulness and trustworthiness had direct effects on public acceptability, while the acceptability was influenced by transparency via trustworthiness which acted as a mediator. The findings suggest some strategic implications. First, it requires an effort to reduce public risk perception of nuclear power. Since perceived risk for nuclear power is governed by technology and information reliability, it is crucial to develop various communication channels and trust-based networking. Second, it requires an effort to offset the subjective and hypothetical risk through enlarging economic and social benefits. Since the potential benefit caused by developing nuclear power facilities can offset the risk and positively affect the acceptability, government should develop the specific policy promoting economic and social benefits in conjunction with mid/long-term programs for community development. Third, the transparency of a nuclear power operator, KHNP, is a key factor influencing trustworthiness. To gain the people’s trust, KHNP should constantly offer transparent and ample information that nuclear plant is safety and stability in the process of construction and administration. Finally, institutional framework is needed to win public confidence. Public distrust and misgivings about nuclear power have been amplified due to the recent corruption scandal of KHNP, unavailability of public information about Fukushima nuclear accident and unilaterally push policies, and the like. These result in falling public confidence and trust. To recover social trust from the public, hence KHNP should draw people’s interest and participation beyond mere public relations through policy reform. In fact, the more sophisticated technology, like nuclear technology, the more openness and participation are needed to enhance public acceptability. In this sense, KHNP is requested to be more efficient and transparent system, offering reliable and ample information in the stages of decision-making and implementation. 최근 일본의 후쿠시마 사태와 원전운영기관의 폐쇄적인 정책 진행으로 인해 원자력의 안전과 운영기관에 대한 부정적 인식이 널리 퍼져있다. 본 연구의 목적은 원자력 발전의 사회적 수용성을 증진하고 한국수력원자력(주)의 부정적 이미지 개선하기 위함이다. 보다 자세하게는 위험인식, 효용인식, 투명성이 원전의 사회적 수용성에 미치는 영향을 파악하고자 하였으며, 한수원에 대한 신뢰성을 매개변수로 삼아 전체 모델로 만들고, 구조방정식을 활용해 실증하였다. 분석 결과, 위험인식, 효용인식과 신뢰성 간의 관계는 통계적으로 유의하지 않게 나타났지만, 사회적 수용성은 신뢰성이 확보되었을 때 증진되는 것으로 나타났다. 또한, 원자력 운영기관의 투명성 강화는 국민의 신뢰성을 증진시키고, 신뢰성은 매개변수로서 전반적으로 원자력의 수용성을 증진시키는 것으로 나타났다. 끝으로 이러한 결과를 중심으로 몇 가지 전략적 시사점도 도출하였다

한국 전기기술자 집단의 형성과 1950년대 전원개발계획의 재구성- 식민지의 유산과 미국의 대외경제원조 정책 사이에서 -

오선실 성신여자대학교 인문과학연구소 2022 人文科學硏究 Vol.45 No.-

In the 1950’s, planning the electric power system for South Korea involved many powerful actors such as the United States aid agencies, American technology advisory groups, Koreans electrical technical expert groups and relevant Korean government agencies, and of course Korean geographical and material settings. While all the involved parties agreed on the need to secure electricity urgent, they needed a long process for negotiating their different ideas about what was economically, politically, and technologically rational for South Korea. This paper examines techno politics that produced an agreement about the new power development plan in South Korea, by focusing on various conflicts between different parties. Above all, the U.S. aid agencies, which wanted to curb Korea's severe inflation and stabilize society, said it would be enough to quickly introduce several thermal power plants to secure a minimum power supply. However, the Korean electrical technical experts thought hydropower plants more appropriate for Korea and more economic in the long run given its geographical condition and its reliance on imported oils. These Korean electrical technical experts argued that hydro electricity was a reasonable choice of technology, but in fact, it was a colonial heritage created based on the experience of Korea's power system growing rapidly from small scale thermal power to large scale hydroelectric power plants. Eventually, Korean electrical engineers failed to persuade the American aid organization, but they were able to discover thermal power generation as a new technology option. Large scale thermal power plant facilities and retraining programs provided by the U.S. aid organization served as an opportunity for Korean electric engineers to recognize thermal power generation as a technology factor that further flexibility capital and resources, and soon Korean electrical technical experts were able to establish a new strategies for construction of power plants development. 1950년대 전력체계의 재구성 과정을 추적하는 이 논문은 특히 가용 자원과 자본이 턱없이 부족한 상황에서 과연 어떤 방식으로 재건을 이뤄야하는가를 끊임없이 질문하며 집단적 정체성을 형성한 한국의 전기기술자들과 그들이 고수한 수력발전 중심의 전력체계 구상에 주목한다. 이시기 전원개발을 둘러싼 기술정치는 무엇을 한국 전력체계의 기본 발전원으로 삼을 것인가라는 기술 선택의 문제로 집약됐다. 미국 원조기구의 담당자들은 한국의 심각한 인플레를 억제하고 사회를 안정시키기 위해 빠르게 건설할 있는 화력발전소를 도입해 최소한의 전력공급을 확보할 수 있으면 충분하다는 입장이었지만, 한국의 전기기술자들은 전력체계 구축이야말로 향후 국가 건설의 초석을 다지는 일이므로 시간이 걸리더라도 한국의 지형과 자원 배분을 고려한 중대형 수력발전소를 건설해야한다는 주장을 고수했다. 이러한 한국 전기기술자들의 주장은 합리적 기술 선택의 외향을 띠었지만, 기실 식민지 시기 한국의 전력체계가 소규모 화력에서 대규모 수력 발전으로 중심으로 전환하며 비약적으로 성장한 경험을 바탕으로 만들어진 식민지의 유산이었다. 결국 당시 한국의 전원개발이 원조자금에 의존했던 만큼 수력중심의 전원개발은 실패할 수밖에 없었지만, 거듭된 협상 과정에서 한국의 전기기술자들은 새로운 기술 선택지로서 화력발전소를 발견할 수 있었다. 미국의 원조기구가 제공한 대규모 화력발전소 기술은 더 이상 낡은 기술이 아닌 자본과 자원을 한층 유연하게 하는 기술 요소였으며, 곧 한국의 전기기술자들은 화력발전을 포함하는 새로운 전력체계 재구성 전략을 수립할 수 있었다.

수력발전소 설비 신뢰성 분석을 위한 FMEA

권창섭,전태보 강원대학교 산업기술연구소 2006 産業技術硏究 Vol.26 No.B

The significance of hydro-power plant is increasing in its public roles such as flood control and water supply as well as electric power production. Even if high level of reliability in facility operation is required, no specific reliability research has been made. This specifically stems from the lack of technology and research investments. The eventual goal of this study is to secure a methodology for reliability analysis of hydro-power plant so that an appropriate decision for operation and investment can be made. Specific effort was put to develop a reliability model for water supply system within hydro-power plant. For this study, we briefly examined the overview of the hydroUpower plant including the electric power generation facility system. We then discussed the facility reliability analysis methodology for hydro-power plant. Based on rigorous examination of the water supply system and components roles, we drew major failure modes for each component and examined their effects.

구미하수처리장 방류구에서의 소수력발전 설치 및 운영에 관한 연구

나동훈,이승환 대한상하수도학회 2010 상하수도학회지 Vol.24 No.2

This study was conducted to investigate the possible installation of small hydro-power plant at the discharge point of Gumi sewage treatment plant (STP) using treated wastewater. Sufficient amount of water to transfer to electric power and the selection of proper location are two essential elements for the construction of small hydro-power facility. Preliminary analysis based on site visit and existing data in Gumi STP were made. Capacity of the small hydro-power plants and exact location were determined by geomorphological condition and flow duration characteristics. Flow duration characteristics and its duration curve were identified using monthly rainfall data in Gumi STP. Relevant facts of small hydro-power system in other STP were referred to adopt to Gumi STP situation. Flowrate of treated effluents and effective head between flow chamber and the location of hydraulic turbine in Gumi STP are found to be 3.70㎥/sec and 3.5m respectively. Electric generation rate based on this feasibility study was estimated to be 86.3kW/h. Yearly electric generation rate was expected to be 932.4㎿h. Proposed small hydro-power plant construction in Gumi STP is to be reasonable.

한국수력원자력의 해외진출 관련 ESG 경영 사례 연구

정무섭 ( Moosup Jung ),황승호 ( Seungho Hwang ),이다헌 ( Dahon Lee ),조아라 ( A-ra Jo ),이규환 ( Kyuhwan Lee ),전영태 ( Youngtae Jeon ),서환승 ( Hwanseung Suh ) 한국국제경영학회 2022 國際經營硏究 Vol.33 No.1

Unlike voluntary ethical management of companies such as CSR management and CSV management, ESG management can be said to be a major shift in the management paradigm in that it affects financial investment based on mandatory disclosure such as financial statements. In this situation, this study defined ESG management as “global ESG management” and divided it into global ESG management in overseas businesses centered on developing countries and global ESG management in global supply chain management. From the perspective of global ESG management, annual sustainability management reports and related data released by Korea Hydro & Nuclear Power were analyzed, and in-depth interviews were conducted with KHNP executives and employees to analyze Korea Hydro & Nuclear Power's global ESG management cases. As a result of the analysis, it was confirmed that Nepal's Chamehliya hydroelectric project provided infrastructure such as transportation, communication, and water to local residents and that efforts to improve the human rights and working environment of technical and functional personnel could be a model for global ESG management. In addition, Korea Hydro & Nuclear Power Co., Ltd., unlike domestic ESG management activities, is mainly concentrated in social fields (S) in overseas ESG activities, confirming the need to promote global management in all ESG fields, including environmental (E) and governance (G).

자유경쟁 시장 내에서 용담다목적댐 발전소의 최적 계약가능 공급량 평가

유주환 한국수자원학회 2005 한국수자원학회논문집 Vol.38 No.1

요즘 다목적댐의 수력발전을 일으킬 수 있는 수자원은 용수공급이 증가함에 따라서 점점 감소하고 있는 형편이다. 한편 국내 수력 발전량의 거래가 다자간의 시장경제 체제로 형성될 경우, 수력에너지 생산자는 최적 공급량과 공급의 수문학적 신뢰도 수준을 제시해야 한다. 이에 본 연구에서는 금강 수계 내 위치한 용담다목적댐의 수력 발전소에서 공급가능한 발전량과 공급 신뢰도를 평가하기 위하여 저수지 조작 기법으로 선형계획법을 적용하였고 1차원 조사법을 이용하여 유입 Nowaday the amount of water resource to generate the hydro-power energy has decreased as that of the water supply has increased. In case that the national market of the energy will be in free competition, the energy producer need to suggest the amount of