نتایج جستجو برای: wind farm

تعداد نتایج: 117910  

2015
Meng Xiong Feng Gao Kun Liu Siyun Chen Jiaojiao Dong Frede Blaabjerg

Energy storage devices are expected to be more frequently implemented in wind farms in near future. In this paper, both pumped hydro and fly wheel storage systems are used to assist a wind farm to smooth the power fluctuations. Due to the significant difference in the response speeds of the two storages types, the wind farm coordination with two types of energy storage is a problem. This paper ...

2017
Anand P. Deshmukh James T. Allison

Wind energy is a rapidly expanding source of renewable energy, but is highly intermittent. The performance of a wind farm, composed of a collection of wind turbines, depends not only on the placement of wind turbines in a farm, but also control actions taken by individual turbines. The wind turbine placement (layout) design problem involves adjusting turbine locations within a given area to imp...

2012
Anuradha S deshpande

Abstract Presented work has made an attempt to establish details of connectivity of Wind Farms with isolated installations. Paper has shown ACDC-AC connectivity of wind farm through Rectifier inverter to an AC load. Mat Lab simulation results of wind farm connectivity to an AC load of lumped type is done. Developed work has focussed on necessity of energy storage during high wind situations so ...

2013
Simon Chapman Alexis St. George Karen Waller Vince Cakic

BACKGROUND AND OBJECTIVES With often florid allegations about health problems arising from wind turbine exposure now widespread, nocebo effects potentially confound any future investigation of turbine health impact. Historical audits of health complaints are therefore important. We test 4 hypotheses relevant to psychogenic explanations of the variable timing and distribution of health and noise...

2015
Ju Feng Wen Zhong Shen Frede Blaabjerg

Reliable wind modelling is of crucial importance for wind farm development. The common practice of using sector-wise Weibull distributions has been found inappropriate for wind farm layout optimization. In this study, we propose a simple and easily implementable method to construct joint distributions of wind speed and wind direction, which is based on the parameters of sector-wise Weibull dist...

Journal: :pollution 2015
angel m. costa feliciano fraguela josé a. orosa gholamreza roshan

the purpose of this article is to present the development of a wind farm, with a condition monitoring system (cms) based on control charts as the algorithm, centred on a new index, to prevent soil pollution by oil spills in wind farms. to this end, temperature sensors can be considered as one of the more significant sensors to be employed in this study, because the information obtained with reg...

2013
Rasoul Rahmani Rubiyah Yusof Mohammadmehdi Seyedmahmoudian Saad Mekhilef

Wind farms are producing a considerable portion of the world renewable energy. Since the output power of any wind farm is highly dependent on the wind speed, the power extracted from a wind park is not always a constant value. In order to have a non-disruptive supply of electricity, it is important to have a good scheduling and forecasting system for the energy output of any wind park. In this ...

2010
G. M. Joselin Herbert Ranko Goic Sardar Patel

In this paper, an analysis of the performance, failure and reliability, as well as a spare parts analysis have been conducted for a wind farm, which has 15 wind turbine generators (WTGs), each of 225 kW capacity. This wind farm is located at Muppandal, Tamil Nadu, South India. The average value of performance parameters such as technical availability, real availability and capacity factor for t...

2017
Abbas Rabiee Alireza Soroudi

This paper presents a model for a multi-period optimal power flow (MP-OPF) problem which includes offshore wind farm connected to the grid by line-commutated converter high-voltage DC (LCC-HVDC) link. The offshore wind farm is composed of doubly fed induction generators (DFIGs), and the DFIGs capability curve is considered in order to obtain a more realistic dispatch for wind farm. The uncertai...

Journal: :European Journal of Operational Research 2013
Zijun Zhang Andrew Kusiak Zhe Song

We present a model for scheduling power generation at a wind farm, and introduce a particle swarm optimization algorithm with a small world network structure to solve the model. The solution generated by the algorithm defines the operational status of wind turbines for a scheduling horizon selected by a decision maker. Different operational scenarios are constructed based on time series data of...

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