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Analysis of the Capacity Credit of Wind Farms
오량(Liang Wu),박정제(Jeongje Park),최재석(Jaeseok Choi) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.11
Because of being environmentally friendly, renewable energy resources has been growing at a high rate. Wind energy is one of the most successfully utilized of such sources for producing electrical energy. Due to the randomness of wind speed, wind farms can not supply power with a balanceable level as well as conventional power plants. The reliability evaluation of wind power is more and more important Capacity credit is used to estimate the capacity credit of power systems including wind farms. This paper presents a method of capacity credit calculation for a power system considered wind farms and shows how it gets study on an actual power system (the Jeju Island power system). The paper describes the step of capacity credit calculation and presents test results, which indicate its effectiveness.
太陽光發電源을 고려한 電力系統의 確率論的인 信賴度評價에 관한 硏究
박정제(Jeongje Park),오량(Wu Liang),최재석(Jaeseok Choi),차준민(Junmin Cha) 대한전기학회 2009 전기학회논문지 Vol.58 No.3
This paper proposes a new methodology on reliability evaluation of a power system including solar cell generators(SCG). The SCGs using renewable energy resource such as solar radiation(SR) should be modeled as multi-state operational model because the uncertainty of the resource supply may occur an effect as same as the forced outage of generator in viewpoint of adequacy reliability of system. While a two-state model is well suited for modeling conventional generators, a multi-state model is needed to model the SCGs due to the random variation of solar radiation. This makes the method of calculating reliability evaluation indices of the SCG different from the conventional generator. After identifying the typical pattern of the SR probability distribution function(pdf) from SR actual data, this paper describes modelling, methodology and details process for reliability evaluation of the solar cell generators integrated with power system. Two test results indicate the viability of the proposed method.
朴正濟(Jeongje Park),吳量(Wu Liang),崔在錫(Jaeseok Choi),車濬敏(Junmin Cha) 대한전기학회 2008 전기학회논문지 Vol.57 No.12
This paper develops an algorithm for probabilistic production cost credit evaluation of wind turbine generators (WTG) with multi-state. Renewable energy resources such as wind, wave, solar, micro hydro, tidal and biomass etc. are becoming importance stage by stage because of considering effect of the environment. Wind energy is one of the most successful sources of renewable energy for the production of electrical energy. Case study demonstrates that the wind speed credit in view point of economics can be assessed by using the proposed methodology.
풍력발전기를 고려한 전력계통의 확률론적인 신뢰도 평가에 관한 연구
朴正濟(Jeongje Park),吳量(Wu Liang),崔在錫(Jaeseok Choi),文承逸(Seungil Moon) 대한전기학회 2008 전기학회논문지 Vol.57 No.9
This paper presents a study on reliability evaluation of a power system considering wind turbine generators (WTG) with multi-state. Renewable energy resources such as wind, wave, solar, micro hydro, tidal and biomass etc. are becoming importance stage by stage because of considering effect of the environment. Wind energy is one of the most successful sources of renewable energy for the production of electrical energy. But, reliability evaluation of generating system with wind energy resources is a complex process. While the wind turbine generators can not modelled as two-state model as like as conventional generators, they should be modelled as multi-state model due to wind speed random variation. The methodology for obtaining reliability evaluation index of wind turbine generators is different from it of the conventional generators. A method for making outage capacity probability table of WTG for reliability is proposed in this paper. The detail process is presented using case study of simple system
박정제(Jeonje Park),오량(Liang Wu),최재석(Jaeseok Choi) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
The application of renewable energy in electric power systems is growing rapidly in order to make provision for the inequality of the climate, the dwindling supplies of coal, oil and natural gas and a further rise in oil prices. Solar cell generators(SCG) is one of the fastest growing renewable energy. A study on the renewable energy is getting more important for the application of renewable energy. This paper presents the capacity factor of SCG by calculating the probabilistic production energy of SCG.
Jeongje Park(박정제),Liang Wu(오량),Jaeseok Choi(최재석) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.11
Renewable energy resources such as wind, wave, solar, micro hydro, tidal and biomass etc. are becoming importance stage by stage because of considering effect of the environment. Solar energy is one of the most successful sources of renewable energy for the production of electrical energy following wind energy. And, the solar/photovoltaic cell generators can not make two-state model as conventional generators. but should be modeled as multi-state model due to solar radiation random variation. The method of obtaining reliability evaluation index of solar cell generators is different from the conventional generators. This paper presents a basic study on reliability evaluation of power system considering solar cell generators with multi-states.