Solar PV systems capture the sun's energy using solar photovoltaic cells. The cells convert the sunlight into electricity and make a major contribution to powering your home. PV panels don't need direct sunlight to work. You still generate electricity on a cloudy day. Let's take a look at the process stepbystep. Light shines on the PV panels and create a direct current of electricity. The brighter the light the more electricity generated. The DC current flows through an inverter converting it into alternating current. The type of electricity used in your home.
From the inverter, the electricity flows through a meter in your mains consumer unit within your fuse box where it connects with your home's electrical system. The solar energy powers your home in exactly the same way as electricity from the grid, except that it's free and always used before any power from the grid. At night or if there isn't enough part from the panels to meet your needs your normal electricity supply continues to make sure everything work smoothly. Any clean green solar power you don't use flows back into the grid.
For someone else to use which means your solar PV is helping to come general carbon emissions. An inverter is used to convert the directcurrent or DC power produced by the system to alternating current or AC the inverter is an important part of a solar PV system, as it ensures that the output voltage from the PV modules is likely higher and the voltage coming from the grid. This means that your home will use the electricity from the PV system before drawing from the grid. Thus reducing consumption more expensive electricity. Any surplus.
SEA Energy Storage Systems
Jeff Chan works in a downtown Portland Oregon laboratory, what he's tinkering with may not look all that special but the contraption in the glass box he is tending to has the potential to radically change the way we store and use energy in this country. It's called the Redox Flow Battery and it's the brainchild of Craig Evans. The main product of our battery is water. That's right, water. Along with table salt and iron chips, forming a brandnew type of battery for large industrial scale storage of electricity. And so when you look at lithium ion batteries, or you look at your lead acid.
Batteries that you would typically use your car, their very expensive and they don't have long life. And so when you are doing grid scale storage You want something that is going to operate for twenty years, and it's going to be very inexpensive to put in. You're going to have a quick pay back and so, irons cheap, and Redox Flow Batteries is something that's scalable for the grid, and so the two married together are perfect pair. The Redox Battery can allow electric utilities to store excess energy on a massive scale when production is high and then use that.
Energy when production is low saving money and energy. But first Craig must prove the technology works, which he has, and can be scaled up to work in realworld situations, which he and cofounder Julia Song are in the process of doing. But Craig's idea and his company might never have existed had he not lost his job a few years ago and then happened on a program run by the State of Oregon Employment Department called SelfEmployment Assistance WorkSource Employment this is Pat may I help you Pat Sanderlin helps run the program, it works like this,.
Someone has lost their jobs through no fault of their own applies to the program, the person supplies a business plan and other key information and if Pat the other technicians agree, the claimant can continue receiving unemployment checks, doesn't have to look for work, and can pocket any money they make by starting their own business. Pat says to good deal for the State too They took all the risk, they put their money into it, you know, we simply paid them the unemployment that they would have gotten any way,.
Maybe to look for jobs that they would never have found. But that's not the only benefit, Jacob and Sean are two of Energy Storage System's 9 employees. Craig Evans took the money received for unemployment and used it to help hire staff taking more men and women of the unemployment lines, effectively multiplying the effects of the SEA program. It feels good to be able to higher mechanical engineers that are degreed that are having a hard time time finding work. Back to Jeff Chan at the Energy Storage Systems lab, the company's landed some.
Hydrokinetic energy to power our future USA Science and Engineering Festival
CRAIG HILL The new age in hydropower is hydrokinetic energy. So hydrokinetic energy is the form of renewable energy. Very similar to wind energy only it uses the naturally occurring currents such as rivers or tidal channels. It's much more environmentally friendly. So there's a lot of research going on right now as to why these are more environmentally friendly and how to maximize their energy capturing ability. Yeah, so we've brought a little flue to demonstrate hydrokinetic energy. It just demonstrates how the flowing water can actually spin these rotors and eventually be used.
Home Improvements to Use Less Energy
Sharon Hawthorne I thought i was just doing it for a kind of ecological purposes because I want to want to cut down my energy consumption. And it did do that. It reduced my gas consumption by about twentyfive percent. But most notably it's my comfort in this house. Bruce Riezenman I lived in one room at a time and so now I have a house that I love that is comfortable temperature wise and my bills, my energy bills, are pretty much the same as they were before with a major upgrade in my lifestyle. So I think the house is worth.
A heck a lot more than I paid for it. June Brashares and Woody Hastings There is lots of little holes that remain after the house is constructed and so up in the attic they went up there and sealed all those little holes. Each one of those little holes if you add them all up adds up to a hole in the ceiling that is about this big. Barry Cogbill I would do these experiments where I would get the house up to sixty five degrees in January, turn off the heat at midnight, and it would be forty degrees in the morning.
And then I would really have to run the heater to get the heat back up. And then after we did the envelope sealing, and attic insulation, and wall insulation, and everything else, I ran the same experiment and the house only fell five degrees. Darren Patterson I always knew the house was drafty and cold and needed to be fixed. Once I learned about Energy Upgrade California it was like an instruction manual on how to make your house warm and efficient. Judy and Jeff Mazzeo We went from the previous year for the December bill using 1.3 therms.
Per day last year. We used 0.8 therms per day this year. June Brashares and Woody Hastings We were surprised how much better it was even than we expected because we had heard about upgrades and were motivated to do it. We heard it made the house more comfortable and saved energy all these benefits. But I think we were surprised how much different the house felt. Darren Patterson Our gas bill hasn't been over to one hundred dollars since we had it done. Judy and Jeff Mazzeo Now we set it to sixty nine and the house is more comfortable and.
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Covering everything from the service, transport, horses, memorial masonry and much more. We can even arrange for overseas relatives and friends to view the service via the web. But we can help with looking to the future too. You may have heard about prepaid funeral plans Belfast. Prepaid funeral plans can help you ensure the cost of your funeral is covered and not left for family to meet. O'Neill's Funeral Directors Belfast our family helping yours. For more information please call 0289062009 or visit our website oneillsfuneraldirectors Contact us for prepaid funeral plans Belfast.
Howto Buy a Quality, High End Bike
Hey Bart Miller her with Cycling Strong I want to do one other little quick tutorial on how do you buy a high end bike or what priority should you put on a bike when your actually going out there to look for one the number one thing that you want to be looking for is the frame and all carbon is not created equal remember that so when you go to buy a frame make sure you're thinking about what quality carbon it is and how high end of the carbon years.
Because your frame is working the whole entire time you're doing the ride it puts the most effort into everything you're doing and has to fits you the most so your frames the most critical second would be wheels look at a wheel that you gonna keep true and it's going to be really light for you and gonna work really really well all the time for you cause thats the next part of the bike it's gonna be doing the most work you want it to be light and you want it to really feel.
Good for you the third thing is gonna be all your components that's gonna be out there but once you're in a gear you're in a gear it's gonna work for you and keep going so you know your components are really important but they're kind off along for the ride like your brakes and the other things the other thing is to make sure that you've got this bike fit to you so that it really fits your body and it fits you so that you could be on it for a long period of time you know your sadles comfortable.
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