wind energy system Articles

  • Wind Energy Production Estimates: Moving Beyond Time Averages

    No need to be a statistician to see that averages are often useful to compare different things. And yet, they often fall short as a true measure of performance. For instance, we use averages to compare the current weather against the climate normals or to get a sense of how our favorite sport team or player is doing. Team (player) statistics are a concise way of combining the scores from many ...


    By AWS Truepower, LLC

  • Powering Renewable Programs: The Utility Perspective

    When considering how to build out a renewable energy portfolio, there are a lot of factors and many points of view to consider. For purposes of this narrative, we will take the point of view of the electric utility itself. Your electricity providers are quite familiar with the concept of a “smart grid.” According to the Department of Energy (DOE), a smart grid “generally refers ...


    By Smart Grid Observer

  • ´More Stations. More Data. Better Forecasts.´ – the NYS Mesonet

    “More Stations. More Data. Better Forecasts.” – that’s the slogan of New York State Mesonet. The weather observation network consists of a total of 125 weather stations all over the state of New York and Lufft was selected as one of the vendors to support them in capturing the data. All 125 of the weathers stations have the standard instrumentation suite. Of those 125, 17 ...

  • 100 Simple Ways To Save Water

    To improve water conservation install a rain sensor, it turns off your irrigation when it rains. Use a weather-based controller. The use of smart controllers can reduce water usage 24% a year on average. Learn about available rebate programs ...


    By Jain Irrigation, Inc

  • The advantages and disadvantages of wind energy

    The wind power generation is developing fast during the past several years. As a source of Green energy is a possible solution for the energy crisis in the near future. But it's not a perfect type of energy without any drawbacks. So, let's look into this type renewable energy for get some more idea. Advantages: 1. Wind energy is clean energy, consuming no fossil fuels to generate ...


    By Stanford Magnets

  • Verification of wind energy related measurements with a SODAR system

    Abstract Complex terrain and growing wind energy converters (WEC) in wind parks generate increasing interest in determining wind profiles and turbulence besides the general forecast of annual energy production. Increasing hub heights and growing rotor diameters of advanced WEC make SODAR systems a valuable alternative to meteorological towers. SODAR systems provide wind profiles as well as ...

  • Application of neural network to wind energy conversion systems

    In the previous study, the energy generation of two WECS deployed at Darling site were estimated using the statistical–based technique. A total energy generation of 178.43 MWh at 50 m and 196.17 MWh at 70 m height were estimated from both WECS for the month of January 2010. In this study, the energy generations of both WECS for the same month were estimated using a developed wind power predictor. ...


    By Inderscience Publishers

  • Issues related to wind energy conversion systems

    There is growing interest in the development of more sustainable electricity systems employing renewable, low-emission resources. In this context, the number of wind power generators installed in the world is increasing, and there are strong indicators that such growth should continue in the next decades. The intensity of wind power expansion depends on different factors related to technical, ...


    By Inderscience Publishers

  • On the application of miniSoDAR technology to wind energy

    Introduction In the late 1990’s wind turbines with nacelle heights exceeding 60 meters were introduced to the wind energy community. Initially, wind prospecting and siting studies continued to use 50-meter wind towers and extrapolate the measurement to the nacelle heights. It was quickly determined that this approach was not sufficient for the placement of these tall turbines. The next ...

  • Wind & solar energy and nature conservation

    Climate change and the degradation of ecosystems and biodiversity cannot be solved in isolation. Land and marine ecosystems play a crucial role in the climate system, capturing roughly half of carbon dioxide emissions generated by human activities (UNEP, 2009). Protecting biodiversity preserves ecosystem services that are important for regulating the climate and helping us to adapt to the impacts ...

  • How sustainable are our energy technologies? Photovoltaics and wind energy systems as examples

    The energy sector plays a key role within the concept of Sustainable Development. Therefore, sustainability aspects should be considered when new energy systems are assessed. How does a specific supply option contribute to a desired sustainable development of the energy system? To answer this question, indicators are needed. These should cover the most significant sustainability issues of the ...


    By Inderscience Publishers

  • Integrated solar and wind energy powers oil recovery system

    Recovery of free-product petroleum at the former St. Croix Alumina (SCA) site in Kingshill on St. Croix, VI, is addressing ground-water contamination caused by past releases of fuel and refined petroleum at SCA. The oil recovery system employs wind-driven turbine compressors (WTCs), wind-driven electric generators (WEGs), and photovoltaic (PV) panels to power pneumatic and electric submersible ...

  • International energy technology collaboration: wind power integration into electricity systems

    A rapid growth of wind power since the 1990s has led to notable market shares in some electricity markets. This growth is concentrated in a few countries with effective Research, Development and Demonstration (RD&D) programmes and with policies that support its diffusion into the market place. The speed and depth of its penetration in these electricity markets have amplified the need to address ...


    By Inderscience Publishers

  • Zig–zag transformer for neutral current compensation in an isolated wind energy system

    This paper presents a voltage and frequency controller with neutral current compensation in a stand alone wind energy conversion system (WECS) employing an asynchronous generator. The proposed controller consists of a three leg insulated gate bipolar junction transistor (IGBT)–based voltage source converter and a battery energy storage system (BESS) at its DC bus. The neutral terminal for the ...


    By Inderscience Publishers

  • Wind energy and system security – the grid connection moratorium in Ireland

    This examines the interaction between technical challenges and policy choices that are made regarding wind power, and uses the grid connection moratorium in Ireland as a case study. While total installed wind capacity in Ireland is low compared with Germany, Spain and Denmark, wind power penetration is higher in the Irish system than in either the British, UCTE or NORDEL systems. In December 2003 ...


    By Inderscience Publishers

  • Dispatching of wind farms using battery energy storage

    In this paper, a STATCOM interfaced battery energy storage system (BESS) is considered for smoothing intermittent power output of a large wind farm so that it can be dispatched. The main advantage of the system is that it can inject both real power (by charging/discharging the BESS) and the reactive power to the system. The paper investigates the main design issues related to BESS – the control ...


    By Inderscience Publishers

  • Wind energy in Italy: regulatory and technical aspects

    Italy has carried out the deregulation of the electricity sector. The EU 'Renewable Directive' gave Italy a very ambitious burden sharing: by 2010, 25% of the demand will be faced by renewable energy against a 1997 baseline of 16%. To sustain such development, the producers/importers have a yearly obligation to inject into the system 'green production': in 2002 by 2% increasing to 3.05% by 2006 ...


    By Inderscience Publishers

  • Prospect of offshore wind energy development in Japan

    In Japan, the cumulative capacity of wind turbine generation systems on land has increased steadily in recent years. To install a large number of wind turbines has inherent problems such as shortage of suitable land, and inadequate infrastructure such as power cables and roads. The necessity for development of offshore wind turbine generation systems has been recognised based on the above ...


    By Inderscience Publishers

  • Environmental impacts of integrating wind energy systems and supplemental energy generation and storage systems

    Wind energy systems offer a promising alternative energy source due to the environmental, economic, and social benefits and, as a result, have garnered support for development and implementation. One of the major drawbacks of wind energy, however, is its variability due to the stochastic nature of wind, thus, supplemental energy generation or storage technologies are required. In this study, a ...


    By Inderscience Publishers

  • Aiming High Rewarding Ambition in Wind Energy - Report

    EXECUTIVE SUMMARY With 392 GW installed, wind energy can be the single largest source of power generation in the EU by 2030 ahead of coal and gas. Wind energy already plays a significant role in the European power sector. In 2014, the wind industry installed 11,791 MW in the EU - more than gas and coal combined. Today wind energy can meet 10.2% of Europe’s electricity demand ...


    By WindEurope

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