wind energy grid Articles
-
A review of wind energy developments in India
Climate change, dwindling reserves of fossil fuels and shortage of electricity have prompted the government to give an impetus to renewable energy sources. Wind energy, with an average growth rate of 30%, is the fastest growing source of renewable energy in the world. India has a potential capacity of over 45,000 MW out of which 1869 MW has been extracted from this eco-friendly source. India ...
-
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 ...
-
Grid integration of renewables in Egypt - Case Study
Integration of large Amounts of Renewable Electricity in the Egyptian Energy Grid - Capacity Building for Management and Engineer-Technical Level (Egypt-RE-Grid). The electricity sector of the Arab Republic of Egypt produces large amounts of electricity through thermal and hydroelectric power stations. Egypt has diminishing proven oil reserves and declining production. Natural gas production is ...
-
Power plants coordination for economic and environmental load dispatch of thermal power plants with wind generation systems
Economic load dispatch (ELD) and economic emission dispatch (EED) have been applied to obtain generation scheduling of thermal power plants at optimum fuel cost and emissions. Due to limited availability of quality coal, issue of environmental emissions and high prices of coal, installation of renewable energy systems are suggested in power grid. Renewable energy system preferably wind generators ...
-
DNV GL: A Cleaner, More Electrified World Is Within Reach by 2050
Earlier this month (9/5), DNV GL published its first Energy Transition Outlook (ETO): Renewables, Power and Energy Use. The industry implication report is part of DNV GL’s new suite of Energy Transition Outlook publications. The report reviews global energy demand and energy supply and summarizes the implications for the power and renewables sector and large industrial energy users. An era ...
By DNV GL
-
CSP cost forecasts undervalue benefit to future grid balancing
CSP generation costs could drop to $77/MWh by 2025 but storage and hybrid solar plants can provide further value by following load, Jose Alfonso Nebrera, Director of Spanish engineering firm ACS SCE, said at the MENASOL 2016 conference on May 26. Global renewable energy expansion is reducing the cost of solar and wind energy while increasing grid intermittency and the need for dispatchable power ...
-
Intermittency of wind: the wider picture
This paper puts the discussion on intermittency of wind into its wider context: in the first part, it reviews the natural variability of all resources that power renewable energy technologies. This highlights how intermittency of wind influences the degree of variability relative to other renewable energy technologies, but does not change its kind. In the second part, management options for ...
-
Reactive capability limits of wind farms
Wind Energy Conversion Systems (WECS) technology can be classified into two main types: fixed speed and variable speed. Fixed speed WECS use an induction generator connected directly to the grid while variable speed WECS use a power converter to connect the generator to the grid. Fixed speed WECS require shunt capacitors for reactive power compensation, while variable speed WECS have reactive ...
-
Wind power prefeasibility study for agricultural applications in Kerman, Iran: a case study
In the present paper, wind characteristics have been analysed for three agricultural sectors in Kerman (30°15'N,56°58'E), Iran. Wind data collected from three synoptic stations for the period of July 2006 to June 2011 at the height of 40 m has been used to study the monthly and annual wind energy potential. Two statistical methods (Meteorological and Weibull) have been applied to ...
-
Using a DFIG–based wind farm for grid node reactive power compensation
Grid nodes voltages are not allowed to deviate excessively from nominal value. Appropriate measures should be taken to prevent such a deviation. The voltage difference between two nodes is strongly affected by reactive power flow. In contrast to frequency control, node voltage control must be achieved locally. This article investigates the use of a wind farm based on a doubly fed induction ...
-
A comparative study on the grid integrated wind energy conversion systems (WECS) using different generator models
A huge number of wind generators are going to be connected with the existing network in the near future. Therefore, it is necessary to analyse various models of wind energy conversion systems (WECS) for the purpose of studying the impacts upon grid. This paper presents comparative study on grid connected WECS having two different wind turbine generator systems (WTGS): model 1 [WTGS having doubly ...
-
Many hamsters: how the EU can enable private firms to provide renewable energy
This paper investigates the energy investment needs of the European Union (EU), including renewable energy. Europe currently has little or no economic growth, and interest rates are expected to rise. Given the state of many EU countries' economies, this is a good time to encourage investment because - according to Keynesian economics - extra spending can stimulate economic activity. The current ...
-
Vector control of current regulated inverter connected to grid for wind energy applications
Connecting variable speed wind turbine connected to the grid requires a proper control of the inverter to improve the power quality for the system. The vector control of an inverter connected to the grid is presented. The proposed control technique implies a hysteresis current controller in the inner loop. The complete control system has been developed, analysed, and validated by simulation ...
-
Why the fossil-fuelled reactor fleet in France will not be affected by an evolution of the wind power capacity
Today's power electronics can confer high-performance adjustment capabilities on any technological object, including the frequency-power and voltage tuning of modern, synchronous-type wind turbines. However, this will not enable such devices to steadily produce electric power from an uncontrolled mechanical energy. Thus they cannot be considered independent generation units: the need to ...
-
Planning of the grid integration of wind energy in Germany onshore and offshore up to the year 2020
The ongoing penetration of large amounts of wind power capacities in Germany has strong impacts on the necessary promotion volumes (direct costs of Renewable Energy Source (RES) promotion) but also on necessary grid extensions, the future need for regulating and reserve power capacities, the thermal power plant system and the electricity price for end-consumers (indirect effects). On behalf of ...
-
Look what’s cooking in the world of renewable energy
The solar and wind innovations that got us where we are today — and those waiting in the wings — point to a hopeful future. Inside a sprawling single-story office building in Bedford, Mass., in a secret room known as the Growth Hall, the future of solar power is cooking at more than 2,500 °F. Behind closed doors and downturned blinds, custom-built ovens with ambitious names like ...
By Ensia
-
As renewable electricity is added to the grid, are power markets misfiring?
When increasing megawatt-hours of variable solar and wind energy began coursing through the grid, the initial concern was an operational one—could grid reliability be maintained. But it turns out those megawatt-hours are creating market challenges, as well. What needs to be done to right the markets? Travis Kavulla, vice chairman of the Montana Public Service Commission, and Albert Cheung, ...
-
Home Battery Storage 101
In order for you to obtain cheaper and cleaner electric energy, the energy storage battery 101 can help you to better understand the related knowledge of energy storage.Here's what you need to know before choosing a solar energy storage battery for your home: What is an home battery storage?Energy storage battery is mainly used to store electric energy from solar energy, wind power or local ...
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you