DR. ARNO SMETS Welcome to the Delft University of Technology. My name is Arno Smets and it's my pleasure to be your lecturer in the course, Solar Energy. In this course, you will be introduced to technologies which convert sunlight into electricity, heat and solar fuels. We will discuss the fundamental physical principles of how a solar cell works and the current status and future challenges of solar energy technologies. I will teach you how to design a solar system for any application. SPEAKER 1 After completion of the course SPEAKER 2 I can analyze the performance of solar cells and modules.
SPEAKER 3 I can explain the various concepts to convert solar energy into electricity, heat and solar fields. SPEAKER 4 I can design on paper a complete photovoltaic system for any application. SPEAKER 5 I can explain the physical working principles of photovoltaic conversion in solar cells. SPEAKER 6 I can describe various solar technologies and their future challenges. SPEAKER 1 On this course, you can also interact with your fellow students all over the world by sharing your own ideas and experiences. GUILLERMO I'm Guillermo and I'm from Ecuador. SPEAKER 7 INAUDIBLE Bangladesh.
SPEAKER 8 I'm INAUDIBLE Achmed from Institute of Renewable Energy at Technology University of INAUDIBLE. SPEAKER 9 I'm a student of the massive open online course of solar energy. SPEAKER 10 Solar energy is becoming more popular in Mexico every day. SPEAKER 11 I am INAUDIBLE from Morocco. SPEAKER 12 Welcome to the Institute of Renewable Energy University of Dhaka, Bangladesh. SPEAKER 13 I will show you my own PV systems. SPEAKER 14 You can watch the system consist of light INAUDIBLE post. SPEAKER 1 You'll surely need and enjoy this course on solar energy.
Energy 101 Solar PV
MR. All right, we all know that the sun's energy creates heat and light. But it can also be converted to make electricity, and lots of it. One technology is called solar photovoltaics or PV for short. You've probably seen PV panels around for years, but recent advancements have greatly improved their efficiency and electrical output. Enough energy from the sun hits the earth every hour to power the planet for an entire year. Here's how it works. You see, sunlight is made up of tiny packets of energy called photons.
These photons radiate out from the sun, and about 93 million miles later, they collide with a semiconductor on a solar panel here on Earth. It all happens at the speed of light. Take a closer look, and you can see the panel is made up of several individual cells, each with a positive and a negative layer, which create an electric field. It works something like a battery. So the photons strike the cell, and their energy frees some electrons in the semiconductor material. The electrons create an electric current, which is harnessed.
By wires connected to the positive and negative sides of the cell. The electricity created is multiplied by the number of cells in each panel and the number of panels in each solar array. Combined, a solar array can make a lot of electricity for your home or business. This rooftop solar array powers this home, and the array on top of this warehouse creates enough electricity for about a thousand homes. OK, there are some obvious advantages to solar PV technology. It produces clean energy. It has no emissions, no moving parts, it doesn't make any noise and it doesn't need water.
Federal Tax Credit for Solar Energy TurboTax Tax Tip Tutorial
Hello, I'm Jeremy from TurboTax with important news on how you can reduce your tax bill and protect the environment at the same time. Have you installed solar powered equipment in your home this year Or are you considering it If so, the federal government will reward your environmentally conscious home improvements with a tax credit equal to 30 percent of your purchase and installation costs. There is no maximum on the amount of credit you can claim. Essentially, the credit works like this. If you spend 10000 dollars to buy and install solar panels on your roof,.
Your credit will equal 3000 dollars. If at the end of the year, you owe 5000 dollars in taxes, the credit reduces your tax liability to 2000 dollars. If you haven't purchased the solar powered equipment yet, don't worry. You have until 2016 to do so. There is, however, one notable limitation to the credit. It is only available for improvements that you make to your main home which is generally your principle residence where you live for most of the year. You can also increase your tax savings by claiming similar credits for energy efficiency improvements.
DIY Solar Panel System Cost
The total of the system and materials was $22K. I ended up spending about another $1,800 in permit fees and a structural engineer and $400 for an electrician, several hundred dollars for a guy to come help me out for the two afternoons he spent with me. Xcel Energy gave me $16,538 rebate. Fix cost based on the number of kilowatts you are installing and has nothing to do with how much you pay the permit office or the electrician. My final cost after rebate was $7,237. I started my research in solar probably about a year before I actually installed it went.
And got a couple of bids from some of the local solar people both from contractors that my friends have used as well as just searching the internet and while talking to one of the guys I find of developed a good feeling from him, and I asked the question Would it be possible to do some of the work myself and kind of learn along the way he said Sure I absolutely support the doityourselfer DIY so I said why don't you throw me bids, what it would cost just come home and have solar one day and what it would cost to have.
It done where I do some or all the work myself. And throw them both to me and I said let's try the second one. The guys name is Steve Cross from Sun Spot Solar. I gave him my electric bills and said this is how much I think I need to generate and he said I agree and lets do these types of panels 180 watts each, you will need some where around 19 to 22 we figured out 21 fit pretty well. So I went and got all the permit information from Golden, filled it out. He came by 12.
Hour one day he type all the Xcel application on the internet and I kind of ran the process and when I had a question I would just send him an email and he helped me out. I think in parallel we order the equipment he dropped off in my driveway. Then one of his installers came out and helped me for two afternoons and I pretty much myself put in the whole rack system on the roof and the installer came out and helped me kind of a two man job carrying the panels up, putting the panels down and bracketing them down.
A new 9th planet for the solar system
Thousands of years ago the sky gazers of the classical world knew about six planets Mercury, Venus, Earth, Mars, Jupiter, and Saturn. Thanks to the invention of the telescope, Uranus was discovered in 1781. But discrepancies in its orbit meant that something was tugging at it. Sure enough that something turned out to be Neptune. Ever since scientists have wondered if there might be yet another planet in our solar system sometimes called Planet X. Now astronomers have strong evidence for one. A planet roughly the size of Neptune with a mass ten times the Earth's and a thick atmosphere of.
Hydrogen and helium. Just as Neptune was predicted based on its influence on Uranus, the evidence for Planet X is indirect. Astronomers observed six small solar system objects and noticed they come closest to the Sun in a unique configuration. There's only a one in fifteen thousand chance that this orbital clustering is a coincidence. It is much more likely that Planet X has shepherded the six objects into their orbits. This explodes our conception of the solar system because Planet X would loop around the Sun unimaginably far away, in a strange elliptical orbit so far away that it takes fifteen thousand.
FYI Four Main Types of Solar Systems
Hi, and welcome to FYI , a new informational tutorial series from Wholesale Solar. My name is Josh Roelofs and today we're going to talk about the different types of solar systems available. The first and most common option for a PV system is a gridtied power system in which the solar panels and your inverter is tied into the household electrical system and it simply offsets your energy usage. A gridtied system offers the lowest overall system cost, fastest return on investment. It saves money on energy expense by sending energy back into the grid and turning your.
Meter backwards. It's ideally suited for people who are trying to save money on energy costs. The drawback to a gridtied system is that it does not offer protection from power outages. When the power goes out, your gridtied system is going to shut down. So if you're in an area where the power is unreliable, or you want to protect against power outages, you'll want to consider one of our other options. A gridtied with battery backup system is going to offer the best and most comprehensive features for most people. It can provide backup power to your appliances during a power outage.
It can also turn back your meter to offset energy costs. This system is especially suitable for people who live in an area where the power is unreliable or people with critical equipment like computers, or a pump, or something you need to run during a power outage. Like coffee. Gridtied with battery backup is going to offer a combination between cost savings and independence from the power grid. An offgrid system is completely independent from the power grid. It's especially great for areas where there's no grid power available, or where it's incredibly expensive to bring.
In the power grid. You can literally buy land anywhere and install your own power system. This offers the highest level of independence for people who are seeking selfsufficiency. However, there's a price for that independence. The batteries are going to wear out quicker because they're being cycled every day. Typically they'll be replaced every 510 years, depending on the system. BUT. did I mention total independence A gridassist system works similar to and uses the same equipment as an offgrid system. Solar panels recharge your batteries and your appliances run off the battery system.
The difference is A gridassisted system can use the power grid as a backup power source. The grid will turn on automatically when the batteries are low, because it's nighttime, or because there's not enough solar power to support your appliances. This will save you some money on your energy bill, especially if you're in an area where they charge higher rates during the day based on TimeofUse Metering. These are your 4 main system options available from Wholesale Solar. If you have questions or need more information, feel free to check out our website or give.
Solar Panels 10 things you need to know Tutorial 25 solarwindheat
Here are 10 things that you need to know. It's about light, not heat. It can be overcast and the panels still generate electricity. In summer you generate more money because the days are longer and brighter but even in the winter your panels still work for you. Solar panels are suitable for the vast majority of homes and businesses across the whole of the U.K. as long the roof is structurally sound. Electricity is created by the solar panels during daylight hours. The electricity is not 'stored' in batteries. It's a boiler sized device called an inverter that converts the energy from the panels so it can be used.
The inverter is usually fitted in your loft or garage. Here's how you make money and you save money. You are paid by your electricity supplier for every unit you generate. The amount you are paid for each unit is called the 'generation tariff'. Whilst you're producing electricity during daylight hours you are allowed to use as much of it as you want for FREE! Electricity that you generate but don't use, you export back to the grid. You get paid for this too! This is called the 'export tariff'. Whenever your panels are not generating enough electricity for your home or business.
You draw electricity from the grid as normal. Your generation tariff and export tariff are set and paid under the government's feedin tariff FIT scheme. Your tariff rates are guaranteed in UK law for 20 years. They are also index linked, which means they go up in line with inflation. You receive your income every 3 months, into your bank account or by cheque, whichever suits you. It's paid by an electricity provider of your choice from the Ofgem list. You will still receive an electricity bill for the electricity you draw from the grid.
Are Solar Panels Worth It Watch This Tutorial To Find Out
Are Solar Panels Worth It Watch This Tutorial To Find Out Are Solar Panels Worth It YES THEY ARE We will show how they save you thousands of dollars in energy bills so please watch the tutorial for instructions. How Can I Start Using Green Energy Yes, Solar Panels are a very good way to dramatically cut your energy bills and if you can't afford the investment to buy them you can now EASILY CHEAPLY make solar panels, or a wind turbine at home with very little investment all.
Solar Panel Systems For Beginners Pt 1 How It Works How To Set Up
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EEVblog 724 Home Solar Power System Analysis Update
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