News tagged with solar array

Juno solar panels complete testing

The three massive solar panels that will provide power for NASA's Juno spacecraft during its mission to Jupiter have seen their last photons of light until they are deployed in space after launch. The last ...

Space & Earth / Space Exploration

created May 30, 2011 | popularity 5 / 5 (6) | comments 1 | with audio podcast

While you're up, print me a solar cell (w/ video)

The sheet of paper looks like any other document that might have just come spitting out of an office printer, with an array of colored rectangles printed over much of its surface. But then a researcher picks ...

Chemistry / Materials Science

created Jul 11, 2011 | popularity 4.8 / 5 (17) | comments 5 | with audio podcast

$21 Billion Orbiting Solar Array will Beam Electricity to Earth

(PhysOrg.com) -- The Japanese are preparing to develop a two trillion yen (approximately $21 billion USD) space solar project that will beam electricity from space in the form of microwaves or lasers to around ...

Technology / Energy & Green Tech

created Sep 15, 2009 | popularity 3.5 / 5 (42) | comments 73 weblog

Researchers develop a way to funnel solar energy

(PhysOrg.com) -- Using carbon nanotubes (hollow tubes of carbon atoms), MIT chemical engineers have found a way to concentrate solar energy 100 times more than a regular photovoltaic cell. Such nanotubes could ...

Nanotechnology / Nanomaterials

created Sep 12, 2010 | popularity 4.7 / 5 (32) | comments 15 | with audio podcast

Turning plants into power houses

(PhysOrg.com) -- "I have a slide that has a photo of a cornfield and a big photovoltaic array," says Robert Blankenship, a scientist who studies photosynthesis at Washington University in St. Louis. "When ...

Biology / Biotechnology

created May 12, 2011 | popularity 5 / 5 (4) | comments 2 | with audio podcast

NREL simulates shade conditions in repeatable test for solar arrays

The DOE's National Renewable Energy Laboratory (NREL) has released a new repeatable test protocol that simulates real shade conditions and can predict with much greater precision the effects of shade on a solar array.

Technology / Energy & Green Tech

created May 15, 2012 | popularity not rated yet | comments 0

Precise Radio-Telescope Measurements Advance Frontier Gravitational Physics

(PhysOrg.com) -- Scientists using a continent-wide array of radio telescopes have made an extremely precise measurement of the curvature of space caused by the Sun's gravity, and their technique promises a ...

Physics / General Physics

created Sep 01, 2009 | popularity 4.5 / 5 (12) | comments 7

5 Feasible Renewable Energy Sources

(PhysOrg.com) -- President Barack Obama has made no secret of his desire to develop a "green economy" that includes renewable energy projects meant to benefit the environment. He has said that part of the economic recovery in ...

Technology / Energy & Green Tech

created May 08, 2009 | popularity 4.4 / 5 (44) | comments 24 weblog

New materials turn heat into electricity

Most of today's power plants--from some of the largest solar arrays to nuclear energy facilities--rely on the boiling and condensing of water to produce energy.

Technology / Energy & Green Tech

created Nov 07, 2011 | popularity 5 / 5 (19) | comments 8 | with audio podcast

Daunting space task -- send astronauts to asteroid

With the space shuttle now history, NASA's next great mission is so audacious, the agency's best minds are wrestling with how to pull it off: Send astronauts to an asteroid in less than 15 years.

Space & Earth / Space Exploration

created Jul 23, 2011 | popularity 4.1 / 5 (13) | comments 77

A New Method of Estimating Stellar Distances

(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...

Space & Earth / Astronomy

created Dec 21, 2009 | popularity 4.4 / 5 (15) | comments 2

High-efficiency solar power that floats in water

Sometimes you encounter an idea so seemingly brilliant you wonder why you didn't think of it yourself. OK, here goes: Utility-grade "concentrating" solar power ... in water. You're not applauding - what's going on?

Technology / Energy & Green Tech

created Apr 25, 2011 | popularity 4 / 5 (6) | comments 7

Alternatives have begun in bid to hear from Spirit

(PhysOrg.com) -- Hopes for reviving NASA's Spirit Mars rover dimmed further with passage last week of the point at which the rover's locale received its maximum sunshine for the Martian year.

Space & Earth / Space Exploration

created Mar 21, 2011 | popularity not rated yet | comments 0 | with audio podcast

How Capt. Kirk Changed the World

"Standard orbit, Mr. Sulu." Captain Kirk barks out the order with such confidence. He knows the USS Enterprise can slip in and out of planetary orbits with ease. But it's only easy in the realm of science ...

Space & Earth / Space Exploration

created May 05, 2010 | popularity 4.6 / 5 (21) | comments 10 | with audio podcast

Lotus Plant-Inspired Dust-Busting Shield to Protect Space Gear

(PhysOrg.com) -- A NASA team is developing a transparent coating that mimics the self-cleaning properties of the lotus plant to prevent dirt from sticking to the surfaces of spaceflight gear and bacteria from ...

Chemistry / Materials Science

created Sep 23, 2009 | popularity not rated yet | comments 0

Photovoltaic array

A photovoltaic array is a linked collection of photovoltaic modules, which are in turn made of multiple interconnected solar cells. The cells convert solar energy into direct current electricity via the photovoltaic effect. The power that one module can produce is seldom enough to meet requirements of a home or a business, so the modules are linked together to form an array. Most PV arrays use an inverter to convert the DC power produced by the modules into alternating current that can plug into the existing infrastructure to power lights, motors, and other loads. The modules in a PV array are usually first connected in series to obtain the desired voltage; the individual strings are then connected in parallel to allow the system to produce more current. Solar arrays are typically measured by the peak electrical power they produce, in watts, kilowatts, or even megawatts.

For more information about Photovoltaic array, read the full article at Wikipedia.
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