Where Wind Powered Electricity Can be Generated

People feel the countryside should be left intact for everyone to enjoy its beauty. Where Wind Powered Electricity Can be Effectively Generated.

Places in the world where wind blows strong and often, people and businesses can harness the wind as an option to use in the generation of electricity. Globally, these places include much of North America, southern South America, Greenland, most of Europe, Northern Africa, eastern Asia, most of Australia, and anywhere there are mountains or large hills. The top 5 countries producing electrical wind power in 2007 were: Germany, United States, Spain, India and China, respectively.

Considerable wind speeds also occur across oceans and large water bodies. Since most of the world's population lives near oceans, wind farms with strong offshore and onshore breezes could produce an abundant amount of electricity. On land in the USA, the major wind corridor is the Great Plains which includes the states of North Dakota, South Dakota, Nebraska, Kansas, Oklahoma and Texas. The wind turbine also extends into the states west to the great mountains west, including eastern Montana, Wyoming, Colorado, and New Mexico. There are also considerable wind resources in eastern and southern Minnesota and the entire state of Iowa, diminishing south through Missouri and east through southern Wisconsin and northern Illinois, Indiana and Ohio. Parts of New York and the New England states also have considerable wind.

The Department of Energy (DOE) estimates that wind power could supply the US with 100% of its electricity, just from the Great Plains wind corridor or from offshore wind farms alone. According to the "Pickens Plan," a $10 billion wind farm with 2500 generators can supply enough energy for 1.3 million homes, and for $1 trillion the Great Plains wind corridor could supply 20% of America's electricity. That would be about 250,000 wind generator to supply 130 million homes.

In a report published by the U.S. Department of Energy, "20% Wind Energy by 2030: Increasing Wind Energy's Contribution to U.S. Electricity Supply," that report concluded that:

Reaching 20% wind energy will require enhanced transmission infrastructure, streamlined siting and permitting regimes, improved reliability and operability of wind systems, and increased U.S. wind manufacturing capacity.

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Defining Wind Generated Electrical Power

Introduction

Wind generator electrical power exists through harnessing wind-power energy with turbines. To fully understand wind generated electrical power, one must understand how wind powered electricity is made; resources needed to utilize wind power; types and sizes of wind turbines; building a wind turbine; potential positive and negative impacts of the technology; where wind powered electricity can be effectively generated; and, offsetting the costs of wind powered electrical technology.

How Wind Powered Electricity is Made

The technology of wind generated electrical power functions by creating electricity through the use of various styles of wind turbines. Initially, one might ask, "So how do wind turbines make electricity?" Simply said, a wind turbine works the opposite of a fan. Instead of using electricity to make wind, like a fan, wind turbines use wind to make electricity. The wind turns the blades, which spin a shaft, which connects to a generator and makes electricity.

Resources Needed to Utilize Wind Power

The primary resource of Wind powered technology is, of course, wind. Wind is very abundant in many parts of the United States and other parts of the world. Wind resources are branded by wind-power density classes, ranging from class 1 (the lowest) to class 7 (the highest). Good wind resources (e.g., class 3 and above, which have an average annual wind speed of at least 13 miles per hour) are found in many areas. Wind speed is a critical of wind resources, because the energy in wind is proportionate to the cube of the wind speed. In other words, a stronger wind means more power.

Wind resource development requires land and may compete with other uses of that land, and those alternative uses may be more highly valued than electricity generation. However, wind turbines can be positioned on land that is also used for grazing or even farming. Wherever a wind farm is to be built, roads are cut to make way for shipping parts. At each wind turbine location, the land is graded and the pad area is leveled. Wind energy also requires the building of wind turbines.

Types and Sizes of Wind Turbines

Modern wind turbines fall into two basic groups: the horizontal-axis variety and the vertical-axis design, like the eggbeater-style Darrieus model, named after its French inventor. Horizontal-axis wind turbines typically either have two or three blades. These three-bladed wind turbines are operated "upwind," with the blades facing into the wind. Darrieus models, or vertical-axis wind turbines, have two vertically oriented blades revolving around a vertical shaft.

In addition to different types, there are many different sizes of wind turbines. Utility-scale turbines range in size from 100 kilowatts to as large as several megawatts. Larger turbines are grouped together into wind farms, which provide bulk power to an electrical grid. Single small turbines, below 100 kilowatts, are used for homes, telecommunications, or water pumping.

Small wind generator are sometimes used in connection with diesel generators, batteries, and photovoltaic systems. These systems are called hybrid wind systems and are typically used in remote, off-grid locations, where a connection to the utility grid is not available.

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Combination of Electromagnetic and aerodynamic

Combination of Electromagnetic braking and aerodynamic braking maximizes energy capture by extending Windmax H series turbine's operating speed range into higher speed winds and lower speed winds which are missed by the old style wind turbines.

1. Electromagnetic speed limitation:

Controller will monitor the wind generator rotation through the wind generator output voltage and frequency, and will timely control wind generator rotation by generating reverse reluctance torque if necessary, according to different wind conditions and battery status. Electromagnetic control features quick response, high reliability and therefore ensures the entire control system to be highly reliable.

2. Blade aerodynamic braking:

In high wind speed conditions, patented blades will generate a reverse reluctance torque, so that the blade efficiency falls and the blade rotation speed starts to decline. With the continuing reluctance torque, blade rotation speed is limited to a certain range to prevent damage to the wind turbine blades.

Higher performance at low wind speed Problem with small wind turbine system on the market today The most challenging problem facing small wind turbine systems is that power output is very low or close to nothing under low wind condition. The wind speed in most locations don't stay at rated wind speed all the time, wind turbine actually operates at wind speed lower than rated wind speed at most of the time. In order to have good overall energy output, it is critical for small wind turbine to output as much as power at low wind speed. WindMax Solution: Strong Neodymium magnet PMA, unique winding and multi pole design reduces the start-up torque of the alternator that assures the WINDMAX-H series can generate electricity at low wind speed. WindMax system components such as wind generator and blades are designed to output more electricity at low wind speed than other small wind turbines on the market today. WindMax system's excellent power output under low wind speed results in greater energy production yield and lowest ownership cost.

Wind-solar hybrid power generation wind turbine system

Problem with single source renewable energy system:

1st Generation single source renewable energy systems such as solar systems or wind turbines don't use renewable energy efficiently. Wind turbines creates less output during the summer, whereas during the winter the solar panels will produce less output.

Windmax Solution:

Our Windmax hybrid solar-wind turbine integrated wind and solar power sources capture the most energy in all conditions. Since solar and wind energy availability differs by locations, seasons and climates, solar and wind energy can be mutually complementary in that solar and wind hybrid systems make full use of wind and solar energy together to generate as much power as possible compared to a single energy source for Small wind generator. A solar & wind hybrid system is more cost-efficient than wind or solar alone.

Easy-to-install, light weight, compact, reliable and maintenance-free wind turbines, designed for both land-based and marine applications.

Problem with old style wind turbine systems:Most old style wind turbines are heavy weight with unpredictable reliability, hard to install and require lots of maintenance. Due to the fact that most installations are in very remote and inaccessible locations, the old style systems make regular maintenance costly and sometimes impractical. Windmax Solution:Windmax H series maintenance free design has a minimum of moving parts with inherent reliability. Our light weight, compact die-casting aluminum alloy generator design makes installation very easy. Rotor blades built with latest advanced thermoplastic engineering and precision injection molding technology is durable and efficient.

WindMax H series components built with advanced technologies Generator:

Generator: The generator is built using high-performance rare earth neodymium permanent magnets, so the alternator is compact and light weight with a high power generating efficiency. The unique winding and multi pole design reduces the start-up torque of the alternator that assures the WINDMAX-H series can generate electricity at low wind speed. The generator features class B insulation, IP55 class protection, and is designed with a sufficient cushion of overload to ensure overall wind turbine reliability.

Generator housing is made with precision cast technology from high strength aluminum to assure a high quality finish. It is designed for various working conditions such as severe climate, sand and salt corrosive environments and marine usage. Aluminum die cast alloys can withstand the highest operating temperatures of all die cast alloys. Ideal for demanding environments, it offers high strength and rigidity along with good corrosion resistance and heat dissipation.

Rotor blades:Patented Blade design vs. traditional hand made fiber glass blades.

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