Probabilistic model of a two-site wind energy conversion system

Karaki, S.; Salim, Basharat; Chedid, R.

doi:10.1109/tec.2002.805215

Cited by 42 publications

(9 citation statements)

References 8 publications

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“…The interaction between wind fluctuations and the turbine is very complex and a thorough model of the turbine, generator and control system is needed for simulating the influence of wind turbulence in power output (Karaki et al, 2002;Vilar-Moreno, 2003). The control scheme and its optimized parameters are proprietary and difficult to obtain from manufacturers and complex to induce from measurements usually available.…”

Section: Interaction Of Wind With Turbine Dynamicsmentioning

confidence: 99%

Power Fluctuations in a Wind Farm Compared to a Single Turbine

Mur-Amada¹,

Sallán-Arasanz²

2011

From Turbine to Wind Farms - Technical Requirements and Spin-Off Products

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Section: Interaction Of Wind With Turbine Dynamicsmentioning

confidence: 99%

Power Fluctuations in a Wind Farm Compared to a Single Turbine

Mur-Amada¹,

Sallán-Arasanz²

2011

From Turbine to Wind Farms - Technical Requirements and Spin-Off Products

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“…In this field, many foreign and domestic scholars have carried out some research [1,2,3] . Paper [4] researched the characteristics of output power of wind farm and wind farm group, compared the different characteristics of different timescales of wind output power.…”

Section: Introductionmentioning

confidence: 99%

Time-frequency Analysis of Output Power of Wind Turbine Based on Wavelet Transform

Hao¹,

Li²

2015

Proceedings of the 2nd International Conference on Civil, Materials and Environmental Sciences

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Abstract-Instability is one of shortcomings for wind power. Along with the increasing of the number of wind farms, power instability also increased. The fluctuation of wind power will cause the variation of voltage in access point .The impact of this fluctuation to power grid is more and more bigger. To reduce this impact, we should smooth and filter the output power. Therefore, a detailed analysis of the characteristics of output power is very necessary. This paper starts with the study of stationary principle. Then study second-time-scale output power. We find the power is non-stationary random signal sequence. This sequence does not have the concept of spectrum, so we choose wavelet analysis, which is commonly used in non-stationary random signal analysis, to do the time-frequency analysis of the output power.

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“…Analytical technique [2] is an approach to evaluate risk indices using mathematical models of system components with direct numerical solutions. References [3][4][5] use analytical techniques for reliability evaluations. Simulation technique on the other hand, uses computer generated random numbers to represent system states.…”

Section: Introductionmentioning

confidence: 99%

“…Correlation has a big impact on the fluctuations and should therefore be an important consideration in reliability modeling and evaluations. Some papers have incorporated the effect of correlations between multiple wind farms in reliability studies [4][5][6][7][8][9]. An auto-regressive time series based mathematical model for wind speeds of correlated wind farms was introduced in [9].…”

Section: Introductionmentioning

confidence: 99%

“…The analytical method, on the other hand, is a relatively simple method, and should therefore be more attractive to system operators and planners. Reference [4] introduced an analytical model of a WECS using conditional probabilities to obtain joint model of correlated WECSs. References [7] and [8] used this conditional method to build an analytical wind model.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

An Appropriate Wind Model for Wind Integrated Power Systems Reliability Evaluation Considering Wind Speed Correlations

2013

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Adverse environmental impacts of carbon emissions are causing increasing concerns to the general public throughout the world. Electric energy generation from conventional energy sources is considered to be a major contributor to these harmful emissions. High emphasis is therefore being given to green alternatives of energy, such as wind and solar. Wind energy is being perceived as a promising alternative. This source of energy technology and its applications have undergone significant research and development over the past decade. As a result, many modern power systems include a significant portion of power generation from wind energy sources. The impact of wind generation on the overall system performance increases substantially as wind penetration in power systems continues to increase to relatively high levels. It becomes increasingly important to accurately model the wind behavior, the interaction with other wind sources and conventional sources, and incorporate the characteristics of the energy demand in order to carry out a realistic evaluation of system reliability. Power systems with high wind penetrations are often connected to multiple wind farms at different geographic locations. Wind speed correlations between the different wind farms largely affect the total wind power generation characteristics of such systems, and therefore should be an important parameter in the wind modeling process. This paper evaluates the effect of the correlation between multiple wind farms on the adequacy indices of wind-integrated systems. The paper also proposes a simple and appropriate probabilistic analytical model that incorporates wind correlations, and can be used for adequacy evaluation of multiple windintegrated systems. OPEN ACCESSAppl. Sci. 2013, 3 108

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Probabilistic model of a two-site wind energy conversion system

Cited by 42 publications

References 8 publications

Power Fluctuations in a Wind Farm Compared to a Single Turbine

Power Fluctuations in a Wind Farm Compared to a Single Turbine

Time-frequency Analysis of Output Power of Wind Turbine Based on Wavelet Transform

An Appropriate Wind Model for Wind Integrated Power Systems Reliability Evaluation Considering Wind Speed Correlations

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