Sentences with phrase «turbines operate»

Wind turbines operate on a simple principle to capture the energy in this moving air and convert it into electricity.

Her symptoms seem to be progressing the longer the turbines operate.

So, how would wind turbines operate in below zero temperatures in one of the most hostile environments on Earth?

Should commercial - size high speed wind turbines operate so close to roads?

Gas turbines operate at extremely high RPM by comparison, and exhibit narrow powerbands, and poor throttleability and throttle response.

Given that some of Vestas's turbines operate 70 to 105 meters above the ground, where the winds are strong, the heaviest cranes are required to do repair work.

The gas turbine operates like a jet engine but drives a generator instead of fan blades.

According to the American Wind Energy Association (AWEA), there are more than 48,800 turbines operating in the United States, allowing for a total installed wind capacity of 73,992 MW in 2015.

The turbine operates in the middle layer of the current, 100 m below the surface, where the waters flow calmly and steadily, even during strong storms.

«We have utility - scale turbines operating in 39 states today, and if these trends continue and stable policy is in place, we can see wind deployment in even more states.»

Initially, most wind turbines operated at fixed speed when producing power.

Utility owners must be certain that the boiler design is effectively matched with the new turbine operating conditions and that this matching produces the maximum MW output with the best heat rate.

However, the capital cost needed to keep these turbines operating are probably low enough (especially compared with the initial investment) to keep these turbines operating until the tower threatens to collapse.

There are 883 wind turbines operating in Michigan, and the number is expected to rise.

From day 1 of the turbines operating, Jan has suffered from the pulsating noise that the turbines produce within her home.

note 9; «Spanish Wind Power Industry Attacks New Rules,» Reuters, 2 February 2007; «EWEA Aims for 22 % of Europe's Electricity by 2030,» Wind Directions (November / December 2006), p. 34; a 1 - megawatt wind turbine operating 36 percent of the time generates 3.15 million kilowatt - hours and the average U.S. home consumes 10,000 kilowatt - hours per year; average energy consumption per U.S. home from DOE, EIA, Regional Energy Profile — U.S. Household Electricity Report (Washington, DC: July 2005); capacity factor from NREL, op.

A 2 - megawatt wind turbine operating 36 percent of the time generates 6.3 million kilowatt - hours of electricity per year; capacity factor from NREL, op.

«Texas Decision Could Double Wind Power Capacity in the U.S.,» Renewable Energy Access, 4 October 2007; coal - fired power plant equivalents calculated by assuming that an average plant has a 500 - megawatt capacity and operates 72 percent of the time, generating 3.15 billion kilowatt - hours of electricity per year; an average wind turbine operates 36 percent of the time; Iceland geothermal usage from Iceland National Energy Authority and Ministries of Industry and Commerce, Geothermal Development and Research in Iceland (Reykjavik, Iceland: April 2006), p. 16; European per person consumption from European Wind Energy Association (EWEA), «Wind Power on Course to Become Major European Energy Source by the End of the Decade,» press release (Brussels: 22 November 2004); China's solar water heaters calculated from Renewable Energy Policy Network for the 21st Century (REN21), Renewables Global Status Report, 2006 Update (Washington, DC: Worldwatch Institute, 2006), p. 21, and from Bingham Kennedy, Jr., Dissecting China's 2000 Census (Washington, DC: Population Reference Bureau, June 2001); Philippines from Geothermal Energy Association (GEA), «World Geothermal Power Up 50 %, New US Boom Possible,» press release (Washington, DC: 11 April 2002).

* The large number of 660 kV wind turbines operating at the ambitious capacity factor of 35 % that would be required to provide an equivalent number of kilowatt - hours of electricity (ignoring the intermittent availability of wind energy); specifically:

Don Roberts, the Senior Engineer with DNV Renewables, showed the workshop a picture of a gearbox — the biggest source of turbine operating problems and the source of more than a third of all O&M costs — and asked how the crack in it could have been avoided or circumvented, «What can you do to limit cost and downtime?»

For an owner - operator with seven wind farms, each composed of 15 1.5 - megawatt turbines operating at a 25 percent capacity factor, every one percent production increase represents 241,000 euros per year.

A 2 - megawatt wind turbine operating 36 percent of the time generates 6.3 million kilowatt - hours of electricity per year; capacity factor from DOE, NREL, op.

South Lakeland district council refused an application by the wind farm operator to keep the turbines operating for another ten years until 2027.

The wind farm now has seven Enercon E-92 wind turbines operating with a total capacity of 16.1 megawatts — which is enough to power 4,900 Nova Scotian homes.

A single, typical 2 MW wind turbine operating at a typical capacity factor of 35 % will generate around 6 000 MWh each year and save about 6 000 tonnes of CO2 from entering the atmosphere each year.

* If those wind turbines operated at full capacity for 24 hours per day and 365 days per year, they would produce 3,416,400,000 kWh of electricity (i.e., 390,000 kW x 8760).

This video clip, taken from a light aircraft, shows wind turbines operating in low cloud, but without causing any apparent turbulence.

Keep your wind turbines operating smoothly in challenging weather conditions with Vestas Cold Climate Solutions.

I am not sure about that ratio being OK you know Stuart — according to this old tool — we will need to have approx 9255 wind turbines operating by 2020 to meet the predicted demand.

Cumulative wind capacity was almost three times solar at the end of 2012, with 278,000 megawatts of turbines operating compared with about 104,000 megawatts of panels, BNEF data show.

Our turbine operates not only on land but also underwater in the tidal and ocean regions of our planet.

According to figures from the German Federal Ministry, the 22,962 wind turbines operating at the end of 2012 provided only 7.3 percent of the nation's electricity and about 1.8 percent of the nation's energy consumption.

Despite the location of many turbines on the windy North Sea, German wind turbines operated at a capacity factor (actual output vs. rated output) of only 17 percent in 2012.

Not exact matches

Danish wind turbine manufacturer Vestas was down almost 8 percent, after reporting lower - than - expected operating profit in its second quarter results released Thursday.

AARHUS, Denmark, Oct 3 - Ailing Danish wind turbine manufacturer Vestas said on Wednesday it is stopping all non-profitable projects as it battles worsening prospects by slashing costs and jobs to lift medium - term operating margins to high single digit levels.

We source energy as responsibly as we can, including operating our own renewable energy sources like wind turbines and biogas plants.

Avista owns a 15 - per - cent - stake in two of the four units at the Colstrip plant in Montana — a major coal - mining state — and plans to use them for electricity production until 2035, said a spokesperson for the company that also operates hydroelectric dams, natural gas and biomass generating plants and wind turbines.

Alstom, a French maker of natural - gas turbines and high - speed trains, said its operating profit margins will fall in this fiscal year and next, having previously said the margins would improve, as its cash flow turns negative.

Deepwater Wind, the Rhode Island company that built and operates the Block Island Wind Farm, a five - turbine installation that is the nation's first offshore wind farm, seeks to construct the 15 - turbine South Fork Wind Farm approximately 36 miles southeast of Montauk.

As Deepwater Wind begins a two - year process of applying for permits to construct and operate a 15 - turbine wind farm approximately 36 miles off Montauk, the Town of East Hampton's fisheries advisory committee has chosen Julie Evans, the captain of a...

In order to provide electricity on the scale of wind farms, hundreds of airborne wind turbines will need to be launched and operated, necessitating such a central hub.

In superheating, water is heated well beyond its boiling point — in this case from 1,000 to 1,300 degrees Celsius — producing high - temperature steam to run turbines and also to operate solar reactors to split the water into hydrogen and oxygen.

Parker's initial blade prototype looked a lot like a wind turbine blade, but the end result (because of manufacturing, safety and operating concerns) was a hybrid between a standard ceiling fan blade and a wind turbine blade.

«Because we could operate around the clock, the steam turbines run continuously and shutdowns and restarts are not required.

Although Bevirt still insists that wind turbines can fly in the jet stream, he accepts that the first units will probably have to operate at just a few thousand feet to prove they can be trusted by utility companies and big - time energy spenders.

However, over a turbine's operating life, the climate becomes a larger factor.

The wind behaves differently 200 to 400 feet up, where the turbines actually operate, than it does near the ground.

Wind measurements are also crucial for determining safe flying conditions, understanding how pollution moves through the air and efficiently operating wind turbines.

The Vestas machine will be a conventional geared turbine, while the Siemens one operates with direct drive.

This summer, the Caltech team operated six vertical turbines north of Los Angeles.