• 제목/요약/키워드: power management policy

검색결과 733건 처리시간 0.029초

Radiation Exposure from Nuclear Power Plants in Korea: 2011-2015

  • Lim, Young Khi
    • Journal of Radiation Protection and Research
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    • 제42권4호
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    • pp.222-228
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    • 2017
  • Background: On June 18, 2017, Korea's first commercial nuclear reactor, the Kori Nuclear Power Plant No. 1, was permanently suspended, and the capacity of nuclear power generation facilities will be adjusted according to the governments denuclearization policy. In these circumstances, it is necessary to assess the quality of radiation safety management in nuclear power plants in Korea by evaluating the radiation dose associated with them. Materials and Methods: The average annual radiation dose per unit, the annual radiation dose per person, and the annual dose distribution were analyzed using the radiation dose database of nuclear reactors for the last 5 years. The results of our analysis were compared to the specifications of the Nuclear Safety Act and Medical Law in Korea. Results and Discussion: The annual average per unit radiation dose of global major nuclear power generation was 720 man-mSv, while that of Korea's nuclear power plants was 374 manmSv. No workers exceeded 50 mSv per year or 100 mSv in 5 years. The individual radiation dose according to occupational exposure was 0.59 mSv for nuclear workers, 1.77 mSv for non-destructive workers, and 0.8 mSv for diagnostic radiologists. Conclusion: The radiation safety management of nuclear power plants in Korea has achieved the best outcomes worldwide, which is considered to be the result of the as-low-as-reasonably-achievable (ALARA) approach and strict radiation safety management. Moreover, the occupational exposures were also very low.

어업자원 이용관리와 공공선택에 관한 이론적 고찰 (Theoretical Considerations on Fisheries Resource Management and Public Choice)

  • 박성쾌
    • 수산경영론집
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    • 제31권1호
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    • pp.1-12
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    • 2000
  • The experience of many countries strongly suggests that bad governments and institutions have been a serious, if not the most serious, obstacle to economic growth and industry-structural adjustments. All public sectors pursue a mix of both predatory and productive activities-bad governments emphasizing the former, while good governments finding a way of promoting the later. In fishery public policy studies, much confusion exists about the roles of policy illustration and prescription. In general fishery public sectors involve collective actions by numerous individuals under conditions of uncertainty, complexity, bounded rationality, and imperfect information structure. All collective fisheries action organizations consist of a center(e.g., government), which leads fishery group actions, and peripheral participants(e.g., fishermen), which are controlled by the government. A paradigm is developed that gives both theoretical and empirical meaning to the constitutional determination of fisheries political preference function or fishery public sector governance structures. Three relevant spaces are specified: policy instrument, results, and constitutional. The collective-choice rules of the constitutional space structure the tradeoff between public and special fishery interest groups. Fishery public sectors seeking sustainable reductions in wasteful rent-seeking fishing activities should select constitutional principles and institutional structures that tend to promote resource sustainability. In particular, the effects of internal and external events on fisheries may result in a greater or lesser concentration of interest group power. Thus, the structure of the fishereis political power must be assessed in any prescriptive evaluation of alternative fishery governance weights.

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WAP-LRU : 플래시 스토리지 시스템에서 쓰기 패턴 분석 기반의 하이브리드 디스크 버퍼 관리 기법 (WAP-LRU: Write Pattern Analysis Based Hybrid Disk Buffer Management in Flash Storage Systems)

  • 김경민;최준형;곽종욱
    • 대한임베디드공학회논문지
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    • 제13권3호
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    • pp.151-160
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    • 2018
  • NAND flash memories have the advantages of fast access speed, high density and low power consumption, thus they have increasing demand in embedded system and mobile environment. Despite the low power and fast speed gains of NAND flash memory, DRAM disk buffers were used because of the performance load and limited durability of NAND flash cell. However, DRAM disk buffers are not suitable for limited energy environments due to their high static energy consumption. In this paper, we propose WAP-LRU (Write pattern Analysis based Placement by LRU) hybrid disk buffer management policy. Our policy designates the buffer location in the hybrid memory by analyzing write pattern of the workloads to check the continuity of the page operations. In our simulation, WAP-LRU increased the lifetime of NAND flash memory by reducing the number of garbage collections by 63.1% on average. In addition, energy consumption is reduced by an average of 53.4% compared to DRAM disk buffers.

Impact of Foreign Direct Investment on Power Sector: An Empirical Study with Refrence to India

  • Maran, K.;Anitha, R.
    • 동아시아경상학회지
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    • 제3권1호
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    • pp.8-16
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    • 2015
  • In the later quarter of the twentieth century, the need for foreign capital is realized among the various countries of the world. Developing countries especially developed multi-pronged strategies to attract foreign capital into the country. One such strategy is the adoption of liberalization policy. Almost all the developing countries started opening their economy, out of the compulsion, to achieve faster rate of economic growth and development. Even a communist country like China adopted liberalization policy as a strategy for accelerated economic growth during 1979. India also joined the race by 1991, when the government announced the policy of liberalization. The importance of FDI extends beyond the financial capital that flows into the country. The huge size of the market in this sector and high returns on investment are two important factors in boosting FDI inflows to power sector. 100 percent FDI is allowed under automatic route in almost all the sub sectors of power sector except the atomic energy. Major foreign investment is made in this sector during 2000 to 2009 is Mauritius with an investment of US$ 4490.96 i.e., 4.24 percent of the total FDI inflows into the country during the period. The estimation of future FDI flow shows a marginal decline in the year 2010. Then from 2011 to 2015 onwards upward trend of FDI was observed.

일본 하천관리정책의 변화과정과 댐.하구언 문제의 요인 (The Change Process of River Management Policy and the Factors of Dam and River-mouth Weir's Problems in Japan)

  • 이등달야;이철우
    • 한국지역지리학회지
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    • 제20권2호
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    • pp.176-188
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    • 2014
  • 일본의 댐 하구언 계획에 대한 전국적 차원의 반대운동은 1990년대 말 나가라강 하구언 반대운동을 계기로 본격화 되었다. 이는 중앙정부차원에서 댐 하구언 계획에 대한 재검토의 제도적 기반을 마련하도록 하는 기폭제가 되었다. 그 후 광역자치단체장들의 "탈 댐 하구언 선언" 참여와 민주당의 집권으로 수자원 및 하천 관리정책은 새로운 국면을 맞이하였다. 그러나 민주당 정권의 미숙한 대응책과 자민당의 재집권으로 댐 하구언 문제는 혼선을 거듭하고 있다. 이에 대한 근본적인 원인은 일본의 공공사업 정책결정 과정에 있어서의 재정에 대한 규범의 미 확립과 수리권 배분 제도의 경직성에서 찾을 수 있다. 향후 일본의 수자원 및 하천 정책이 성공적으로 정착되기 위해서는 최우선적으 로 공공사업 재정에 대한 구체적인 제도적 기반과 정부 조직 간의 실질적인 정책조정 시스템이 정비되어야 할 것이다. 이는 한국의 하천 및 물 관리 정책에 있어서도 시사하는 바가 크다.

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System dynamic modeling and scenario simulation on Beijing industrial carbon emissions

  • Wen, Lei;Bai, Lu;Zhang, Ernv
    • Environmental Engineering Research
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    • 제21권4호
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    • pp.355-364
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    • 2016
  • Beijing, as a cradle of modern industry and the third largest metropolitan area in China, faces more responsibilities to adjust industrial structure and mitigate carbon emissions. The purpose of this study is aimed at predicting and comparing industrial carbon emissions of Beijing in ten scenarios under different policy focus, and then providing emission-cutting recommendations. In views of various scenarios issues, system dynamics has been applied to predict and simulate. To begin with, the model has been established following the step of causal loop diagram and stock flow diagram. This paper decomposes scenarios factors into energy structure, high energy consumption enterprises and growth rate of industrial output. The prediction and scenario simulation results shows that energy structure, carbon intensity and heavy energy consumption enterprises are key factors, and multiple factors has more significant impact on industrial carbon emissions. Hence, some recommendations about low-carbon mode of Beijing industrial carbon emission have been proposed according to simulation results.

단일보험자는 강력한 구매자인가: 인도네시아 사례를 중심으로 (Is the Single-Insurer a Powerful Purchaser?: In Case of Indonesia)

  • 김양희;변진옥
    • 보건행정학회지
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    • 제30권2호
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    • pp.151-163
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    • 2020
  • This study reviewed primary care purchasing issues of the Indonesian single-insurer, BPJS-K, in the context of triangular power relations between the government, the insurer, and the providers, and considered its challenges of purchasing as the national single-insurer. Some literature reviews and interviews with Indonesian stakeholders and residents were used to describe the historical and social contexts of Indonesian healthcare and social health insurance systems especially focusing legal and institutional status of BPJS-K and primary care provision and delivery conditions in remote areas. Though BPJS-K directly belongs to the presidential office of Indonesia, it has limited power in terms of purchasing as a single insurer. Mainly it was due to the lack of primary care resources, Ministry of Health's strong power as the regulator and provider, and BPJS-K's powerlessness against monitoring and quality of care assessment. Ambiguous accountability was another issue among the insurer and the Ministry of Health. This created confusions in primary care provision. It is suggested that each agencies' accountability should be obvious in terms of legal, political, and social contexts.

MOVING FORWARD WITH RADIOACTIVE WASTE MANAGEMENT IN THE UK

  • Atherton, Elizabeth;Mathieson, John
    • Nuclear Engineering and Technology
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    • 제39권6호
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    • pp.697-702
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    • 2007
  • Radioactive waste has been produced in the UK for many decades. Since the 1950' s much of this has been associated with civil nuclear power production and the nuclear weapons programme. There have been a number of unsuccessful attempts in the UK since the 1980s to deal with the waste and find suitable sites for its disposal. However, the UK Government has addressed this and in 2001 introduced the "Managing Radioactive Waste Safely" programme. The aim of this was to make decisions on the long-term radioactive waste management policy through stakeholder engagement. In 2006, it adopted a policy of geological disposal for higher activity wastes and following further consultations, is now at the stage of choosing how that policy should be implemented.

인지지도를 활용한 ICT 중소벤처 지원정책 비교분석 (Comparative Policy Analysis on ICT Small and Medium-sized Venture Using Cognitive Map Analysis)

  • 박은엽;이중만
    • Journal of Information Technology Applications and Management
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    • 제29권3호
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    • pp.75-93
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    • 2022
  • The purpose of this study is to compare and analyze each government's ICT SME support policies to cope with changes in the ICT ecosystem paradigm. In particular, the core policies and policy trends of the Moon's government are presented through keyword network analysis and cognitive map analysis. As a result, core technologies such as ICT(Information Communication Technology), AI(Artificial Intelligence), Big Data, and 5G, which have high values of betweenness centrality and closeness centrality, are major keywords with high propagation power. The cognitive map analysis shows that the opportunity factors for the 4th industrial revolution are being activated through the ICT infrastructure circulation process, the domestic market circulation process, and the global market circulation process. This study is meaningful in terms of cognitive map analysis and utilization based on scientific analysis.

이중차분법을 이용한 석탄화력발전소에 대한 미세먼지 계절관리제의 지역별 효과 분석 (Analysis of Regional Effects of the Seasonal Management Policy on Coal-fired Power Plant Using Difference-in-difference Method)

  • 강희찬
    • 자원ㆍ환경경제연구
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    • 제31권3호
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    • pp.343-365
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    • 2022
  • 본 논문은 정부가 시행한 1차 계절관리제의 초미세먼지 농도 감소 효과를 통계적 기법을 통해 확인하는 것이다. 특히 본 논문은 이러한 정책효과가 지역별(서해안, 남해안, 동해안)로 차이가 발생할 수 있다는 가설을 검정하는 것이다. 이를 위해 본 논문은 이중차분법(DID, difference-in-difference)을 활용하여 정책 시행 기간(2019년 12월~2020년 3월) 지역과 무관하게 발생한 코로나19, 따듯한 겨울 등 시간적 특이성을 제거하여 순수한 정책효과만 분석하였다. 분석 결과 석탄화력발전소에 대한 정부의 1차 계절관리제는 초미세먼지 감소 효과가 있었으나, 지역별로 그 효과에 차이가 존재하였다. 특히 서해안 지역의 감소 효과가 가장 크고, 남해안 지역이 그다음으로 효과가 있었으나 동해안 지역의 경우 감소 효과가 통계적으로 확인되지 못했다. 결과적으로 본 논문은 현재와 같이 지역과 무관하게 계절관리제를 운영하는 방식은 개선될 필요가 있다는 시사점을 도출하였다.