• 제목/요약/키워드: Pumped storage power plant

검색결과 49건 처리시간 0.022초

Importance of pumped storage hydroelectric power plant in Turkey

  • Aras, Egemen
    • Advances in Energy Research
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    • 제5권3호
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    • pp.239-254
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    • 2017
  • The world began to search for new energy sources with increasing energy demand. Renewable energy sources are as hydropower important for alternative energy. Countries with high hydroelectric potentials continue to work to utilize hydroelectric power plants in the most efficient way. Pumped storage hydropower plants are an important investment to meet the growing energy needs at peak times and to store energy. Although it produces energy in many countries, pumped storage hydropower plants have not begun to be built in Turkey which has high hydroelectric potential. A new era will be opened for energy production in Turkey where a large number of pumped storage hydropower plants projects are in study phase with the construction of pumped storage hydropower plants and first nuclear power plant.

남대천 양양 양수발전소의 환경영향과 대책 (Environmental Impact Assessment of the Yangyang Pumped Storage Power Plant Construction on the Namdae-Chun River, Korea)

  • 전상기
    • 환경영향평가
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    • 제6권1호
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    • pp.151-160
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    • 1997
  • The Yangyang Pumped Storage Power Plant is being constructed by Korea Electric Power Corporation in Namdae-Chun River, Korea. The Yangyang Pumped Storage Power Plant has 1000MW capacity with upper reservior, lower reservior, hydrauric tunnel and underground power plant facilities. But NGO(Non Governmental Groups) and residents are worried about the power plant construction because of some problems, as follows. (1) Namdae-Chun River is principal salmon returning river in Korea. (2) Namdae-Chun River is main water supply source of the Yangyang country. So, brief explanation of Environmental Impacts Assessment executed by Korea Electric Power Corporation, main environmental impacts and countermeasures will be introduced.

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양수발전기의 신 효용성 평가 지수 개발 (Development of New Effectiveness Assessment Indices of Pumped Storage Power Plant)

  • 이성훈;최재석;차준민;김남명
    • 전기학회논문지
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    • 제63권7호
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    • pp.867-874
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    • 2014
  • The pumped storage power plants have excellent load following characteristics. It can also be committed quickly for synchronous reserve when it is in the generating mode because it can readily increase its generating power and, consequently, increases the overall system reliability. There are strong incentives for standing the system reliability. Additionally, $CO_2$ emission can be typically impacted due to operation of pumped generators. The increase or decrease of $CO_2$ depends on the generation mix. This paper proposes evaluation of reliability, economy and environment of power system considering pumped generator. This paper describes three case studies of the reliability and economy and environment according to capacity factor and storage capacity of pumped generators. The probabilistic production simulation model is used in this paper. The practicality and effectiveness of the proposed approach are demonstrated by simulation studies for a real size power system model on the $5^{th}$ power plan in Korea.

양수발전소의 모델링에 관한 연구 (A Study on Modeling of Pumped Storage Power Plant)

  • 한윤교;이승윤;박철원
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2015년도 제46회 하계학술대회
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    • pp.77-78
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    • 2015
  • For the smooth operation and efficient management of pumped storage power plants, we should be understand a generator, turbine, exciter, governor, and stabilizer and prepare an abnormal accident through an accident simulation by software such as PSCAD, PSS/E. This paper investigates configuration of the generator system of ${\bigcirc}{\bigcirc}$ pumped storage power plant. And describes the modeling and fault simulation studies using PSCAD.

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빠른 응답성을 갖는 가변속 DFIM 분석 (Analysis of Doubly Fed Variable-Speed Pumped Storage Hydropower Plant for Fast Response)

  • 손금뢰;서정진;차한주
    • 전력전자학회논문지
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    • 제27권5호
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    • pp.425-430
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    • 2022
  • A pumped storage power station is an important means to solve the problem of peak load regulation and ensures the safety of power grid operation. The doubly fed variable-speed pumped storage (DFVSPS) system adopts a doubly fed induction machine (DFIM) to replace the synchronous machine used in traditional pumped storage. The stator of DFIM is connected to the power grid, and the three-phase excitation windings are symmetrically distributed on the rotor. Excitation current is supplied by the converter. The active and reactive power of the unit can be quickly adjusted by adjusting the amplitude, frequency, and phase of the rotor-side voltage or current through the converter. Compared with a conventional pumped storage hydropower station (C-PSH), DFVSPS power stations have various operating modes and frequent start-up and shutdown. This study introduces the structure and principle of the DFVSPS unit. Mathematical models of the unit, including a model of DFIM, a model of the pump-turbine, and a model of the converter and its control, are established. Fast power control strategies are proposed for the unit model. A 300 MW model of the DFVSPS unit is established in MATLAB/Simulink, and the response characteristics in generating mode are examined.

양수발전소의 화재안전 대책에 관한 연구 (A Study on the Fire Safety Measure of Pumped Storage Power Plant)

  • 김유식
    • 한국화재소방학회논문지
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    • 제20권4호
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    • pp.125-130
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    • 2006
  • 양수발전소는 여러 발전소에서 생산되는 전력에너지를 심야시간에 남을 경우 잉여분의 전기를 이용하여 저지대의 물을 양수하여 고지대로 이동하여 필요시 물의 낙차 압력을 이용하여 전기를 재생산하는 발전 설비이다. 전국의 양수발전소는 "전원개발에 의한 특례법 제6조"로 인한 건축물대장에 미 등재로 인하여 건축물이 아닌 구조물로 분류되어 인가와 완공까지 소방행정의 참여가 배제되어 소방시설허가가 필요치 않게 되어 왔다. 따라서 향후 전국에 운영 및 시설 중에 있는 양수발전소에 유사한 화재로 인하여 똑같은 피해가 반복되지 않도록 하기 위하여 "전원 개발에 의한 특례법 제6조"의 적용에 따른 문제점과 시설의 보완 그리고 안전관리의 문제점을 개선하여 유사 피해를 최대한 막고자 한다.

양수발전소 SFC 감시시스템 개발 (Development of monitoring system of static frequency converter in pumped storage power plant)

  • 이주현;임익헌;류호선;신만수;김봉석
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2006년도 심포지엄 논문집 정보 및 제어부문
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    • pp.213-215
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    • 2006
  • A static frequency converter(SFC) in a pumped storage power plant is important equipment for converting electric motor kinetic energy into electric Bower. A SFC monitoring system consists of high voltage thyristor firing equipment, fault detection module, data gathering module, real time data processing equipment and man machine Interface system. This paper describes SFC system overview, developed SFC monitoring system configuration including system characteristics. and successful application result to San-Cheong pumped storage power plant.

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신뢰도 및 경제성에 기반한 양수 발전 설비의 예방점검 주기 최적화 연구 (Optimization of Preventative Maintenance Cycle for Equipments of Pumped-Storage Power Plant by Taking into Account Reliability and Economical Efficiency)

  • 김종성
    • 대한기계학회논문집A
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    • 제34권9호
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    • pp.1331-1338
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    • 2010
  • 최근 심야 전기 수요의 증가로 인해 양수 발전 설비의 이용률이 감소하고 있다. 이러한 이용률 감소는 양수 발전 설비를 운용/정비하는 측면에서 경제성을 향상시킬 필요성을 증가시킨다. 양수 발전 설비의 경제성 향상을 위해서는 예방점검 주기, 특히 분해점검 주기를 연장하여야 한다. 그러나, 무조건적인 연장은 불충분한 정비에 기인하는 예기치 못하는 파손을 발생시킬 수 있기 때문에 수행될 수 없다. 따라서 본 연구에서는 양수 발전 설비의 특성을 고려하고 기존 신뢰도 연구들을 검토하여 신뢰도와 경제성을 모두 고려하는 예방점검 주기 최적화 방법론을 제안한다. 최종적으로 실제 양수 발전 설비에 제안된 방법론을 국내 양수발전소에 적용하여 연장된 최적화 분해 점검 주기를 도출한다.

양수 발전소 디지털 여자시스템 관한 연구 (A Study of digital excitation system for pumped storage power plant)

  • 류호선;신만수;이주현;임익헌
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2002년도 하계학술대회 논문집 B
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    • pp.1018-1020
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    • 2002
  • For the life extension of the aged pumped storage power plant, the static digital excitation system had been developed by KEPRI(Korea Electric Power Research Institute). This paper will discuss the control design conception of pumping mode and the application results of system.

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양수발전 설비에 적용 가능한 새로운 고장 예측경보 알고리즘 개발 (Development of a New Prediction Alarm Algorithm Applicable to Pumped Storage Power Plant)

  • 이대연;박수용;이동형
    • 산업경영시스템학회지
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    • 제46권2호
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    • pp.133-142
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    • 2023
  • The large process plant is currently implementing predictive maintenance technology to transition from the traditional Time-Based Maintenance (TBM) approach to the Condition-Based Maintenance (CBM) approach in order to improve equipment maintenance and productivity. The traditional techniques for predictive maintenance involved managing upper/lower thresholds (Set-Point) of equipment signals or identifying anomalies through control charts. Recently, with the development of techniques for big analysis, machine learning-based AAKR (Auto-Associative Kernel Regression) and deep learning-based VAE (Variation Auto-Encoder) techniques are being actively applied for predictive maintenance. However, this predictive maintenance techniques is only effective during steady-state operation of plant equipment, and it is difficult to apply them during start-up and shutdown periods when rises or falls. In addition, unlike processes such as nuclear and thermal power plants, which operate for hundreds of days after a single start-up, because the pumped power plant involves repeated start-ups and shutdowns 4-5 times a day, it is needed the prediction and alarm algorithm suitable for its characteristics. In this study, we aim to propose an approach to apply the optimal predictive alarm algorithm that is suitable for the characteristics of Pumped Storage Power Plant(PSPP) facilities to the system by analyzing the predictive maintenance techniques used in existing nuclear and coal power plants.