نتایج جستجو برای: wind power farm

تعداد نتایج: 587876  

2009
Andrew Kusiak Haiyang Zheng Zhe Song

A data-driven approach for maximization of the power produced by wind turbines is presented. The power optimization objective is accomplished by computing optimal control settings of wind turbines using data mining and evolutionary strategy algorithms. Data mining algorithms identify a functional mapping between the power output and controllable and non-controllable variables of a wind turbine....

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 ...

Reducing fossil energy resources and increasing greenhouse gases necessitate the need of clean sources of energy. One of the sources of renewable energy is wind power which has been developed in recent years. Sometimes, wind power in peak hours does not respond. Hence, a storage system and backup power for such power plants seem necessary. In this study, a hybrid system, consisting of electroly...

2013
Jin Tan Weihao Hu Xiaoru Wang Zhe Chen

This paper describes a frequency domain approach for evaluating the impact of tower shadow and wind shear effects (TSWS) on tie-line power oscillations. A simplified frequency domain model of an interconnected power system with a wind farm is developed. The transfer function, which relates the tie-line power variation to the mechanical power variation of a wind turbine, and the expression of th...

2001
Mituharu Hayashi Bahman Kermanshahi

Wind power generation increases rapidly. The available wind energy depends on the wind speed, which is a random variable. For the wind-farm operator, this poses difficulty in the system scheduling and energy dispatching, as the schedule of the wind-power availability is not known in advance. In this research, we propose an intelligent technique for forecasting wind speed and power output of win...

Encountering series-compensated transmission lines, sub-synchronous resonance (SSR) may strike the power system by jeopardizing its stability and mechanical facilities. This paper aims to verify the capability of static synchronous series compensator (SSSC) in mitigating the mechanical and electrical oscillations such as SSR in wind farm integrations. A wind turbine with a self–excited inductio...

2010
Arthur Bossavy Robin Girard Georges Kariniotakis

The continuous improvement of the accuracy of wind power forecasts is motivated by the increasing wind power integration. Today forecasters are challenged in providing forecasts able to handle extreme situations. This paper presents two methods focusing on forecasting large and sharp variations in power output of a wind farm called ramps. The first one provides probabilistic forecasts using lar...

2014
Mohamed Edrah Kwok L. Lo Olimpo Anaya-Lara Abdussalam Elansari

With the increased levels of offshore wind power penetration into power systems, the impact of offshore wind power on stability of power systems require more investigation. In this paper, the effects of a large scale doubly fed induction generator (DFIG) based offshore wind farm (OWF) on power system stability are examined. The OWF is connected to the main onshore grid through a voltage source ...

Journal: :CoRR 2015
Charalambos Konstantinou

Wind is becoming an increasingly significant source of energy in modern power generation. Amongst existing technologies, Variable Speed Wind Turbines (VSWT) equipped with Double Fed Induction Generators (DFIG) is widely deployed. Consequently, power systems are now experiencing newer power flow patterns and operating conditions. This paper investigates the impact of a DFIG based Wind Farm (WF) ...

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