The 5 kilo watt grid tie wind turbine system is designed to operate automatically. Whenever there are high or extreme wind speeds, the wind turbine turns itself 45 and 90 degree away from the wind. The wind turbine also applies the dump load and brake, if required. The rotor diameter of the wind turbine is 21 feet. The maximum wind speed this wind turbine can withstand is 100 miles per hour. The cut-in wind speed of the 5 kilo watt grid tie wind turbine is 4.4 miles per hour, while the rated wind speed is 22 miles per hour.
The DC-AC inverter has the capability to handle power ranging from 100 watts to 2,500 watts. The DSP chip design incorporated in this inverter facilitates low distortion. The distortion is as low as 3 per cent even during maximum output power conditions. The DC-AC inverter is available in different models with varying output voltage of 120 volts and 240 volts AC as well as frequencies of 50 hertz and 60 hertz.
The Go Power 175W DC to AC power inverter can be installed easily. When this inverter is plugged into a lighter socket of a vehicle, it provides alternative current power. The surge output of the inverter is 210 watts. The maximum long term power output of the modified sine wave inverter is 175 watts, while the output voltage is 115 volts AC. The efficiency rate of the inverter ranges from 80 to 90 per cent.
The five dual capacity sizes of the Envision series make them more reliable and versatile for use in varied applications. The refrigerant utilized in these Envision units is of the R-410A type, which does not pose any threat to the ozone layer. It also complies with various standards set by the EPA. As the air coils of these Envision units are coated, they offer a longer and more durable life than traditional systems. The operations and processes of these units are controlled by an advanced microprocessor.
The BWC Tilt.Tower kit includes fasteners and components required for assembling and grounding the tower. It can be installed in areas with minimum rocks and good soil without any concrete work. In weak or rocky soils, concrete is used to fix the anchors. The tower kit also includes "earthing" to protect the system against lightening damages. This tilt-up wind turbine tower is available in the following heights: 18 meters, 24 meters and 29 meters.
Bauer Power installs all kinds of renewable energy solutions for solar electric, solar pool heating and solar thermal projects. Elzinga & Hoeksema Greenhouses is one of the solar hot water projects, which the company has handled successfully. The project includes 200 solar thermal collectors to heat the completely organic greenhouse. This greenhouse is used to grow potted plants and organic vegetables.
The OWS aerating windmill is available in packages that comprise a windmill tower, a windmill, pond diffuser, pressure release valve, foot valve and ½ air tubing. The windmill has an overall diameter of 70 inches, while the windmill towers are available in different heights of 12 feet, 16 feet, 20 feet and 30 feet. The OWS aerating windmill has a simple design with few moving parts thereby facilitating easy maintenance.
Growing world economies will increase energy demand by about 35 percent in 2030 compared to 2005, requiring trillions of dollars in investment and a commitment to innovation and technology, Exxon Mobil Corporation (NYSE:XOM) said today as it released its new edition of Outlook for Energy: A View to 2030.
Gurit (SIX Swiss Exchange: GUR), has signed an agreement to acquire Suzhou Red Maple Wind Blade Mould Co. Ltd., Taicang, Jiangsu/China, by taking over the entirety of its parent company Cheer Tech Investment Limited, Hong Kong, from Windy Shore Holdings Limited, British Virgin Islands. The acquisition is expected to be closed before year-end 2009 and will allow Gurit to substantially increase its strategic technology and product offering in the rapidly growing Wind Energy market, especially in Asia.
A global renewable energy company, Helix Wind Corp. announced on 3 December, 2009 that the company in union with its distributor EDAL Re, Buenos Aires will provide about 90 to 100 wind turbines for the rural electrification and off-grid generation project in Jujuy, Argentina.
Pacific Gas and Electric Company have announced on 3 December, 2009 that they have signed a contract with Iberdrola Renewables, which is considered as the largest wind power provider in the world. With this contract, Pacific Gas and Electric Company will purchase and operate a wind generating plant that will be built in Southern California with an intention to provide better service to its customers.
U.S utility photovoltaic (PV) market has surged high in the past 18 months despite recession and slowdown in the energy sector investments. At present only 77 MW of utility-driven PV projects are operating. More than 4.8 GW of utility-scale PV projects are in the pipeline as announced by U.S. utilities. According to the study conducted by Emerging Energy Research, the U.S utilities will play a key role in the solar PV market.
Environmental Defense Fund released a case study on 3 December, 2009. This case study projected all the efforts carried out by Poland Spring Water Company in order to reduce the emissions of carbon by reducing the idling time of the truck fleet. Maine’s environment has been protected by Poland Spring for a long time with an aim to develop measures that would create a meaningful impact on the local communities.
Anheuser-Busch, a leading American brewer, has promised to the U.S. Environmental Protection Agency's Climate Leaders program to reduce its greenhouse gas emissions at its operations and breweries by 5% from the year, 2005 through the year 2010. Anheuser-Busch had given this commitment in the year 2007 at the time of joining EPA’s Climate Leaders program. Anheuser-Busch has met its goal to reduce the emissions one year ahead of schedule. This achievement was commended at the Climate Leaders Partners’ annual meeting on December 2, 2008.
A new method to measure CO2 absorption by oceans was developed by an international team of scientists. This initiative was led by University of East Anglia (UEA), and the CO2 uptake for the whole of North Atlantic was mapped for the first time.
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