The Future of Renewable Energy.is Coming from Drones
The drones are coming! And they're making renewable energy You know, the trouble with wind power is that it needs to be windy. And if it's not you really only have two solutions go out and find the wind, or create it. So, how does one create wind Well that's why I've cooked up this huge vat of chili. Just kidding. Actually, there's a company called Solar Wind Energy Tower that has a solution. They propose building towers out in the desert that will suck up hot, dry air. Now that hot, dry air.
Goes up the tower until it hits the top, where they add in water vapor, making that air heavy. And then the air rushes down at speeds upwards of fifty milesperhour, until it hits turbines which then will generate electricity. The best place to harvest wind energy tends to be the coastline. And if you're like me, you like to get your shade from a nice beach umbrella, not a noisy 300ft tall windmill. Luckily, Makani Power, an engineering firm run by a California wind surfer has come up with a pretty cool idea. They have a wind harvesting drone attached to a rope, which.
Sounds pretty radical if you ask me. The most effective part of a turbine blade is the tip. So the Makani Airborne Wind Turbine travels in a vertical circle in the same path as the tip of a conventional turbine blade. Wing mounted rotors catch the rushing wind, which is converted into electricity by small generators and sent back to the ground via the tether, which is a conductive cable. So why is this any better than a traditional windmill The same reason it's better to live in an RV than an Egyptian pyramid. It takes a lot less material to make, and it's portable.
Mental note. Really need to work on my analogies. It's possible that these Makani turbines could be flown out over the ocean where winds are particularly strong. Now the electricity they generate could just be sent down to buoys floating in the ocean and collected later to be sent back to land. Now of course this doesn't mean we should just abandon our traditional wind harvesting strategies, we just have to make them smarter. Which is what companies like GE are doing. You see, they're adding sensors to wind turbines to collect oodles of data, and turn it into.
Dynamic action on the turbines themselves, so if the wind conditions change, the turbine can automatically adjust the tilt of the blades and maximize efficiency. Clearly, none of these solutions are perfect, which is why we're going to have to continue to innovate in this space. After all, when it comes to renewable energy, the winds of change are always blowing. And that leads us to a question. What renewable energy source do you think is the most promising Is it solar, wind, hydroelectric, geothermal Let us know in the comments below.
Why Teslas Powerwall Battery Is Amazing
All of humanity just won a really important victory in our battle to lower the CO2 emissions that are causing climate change. Tesla CEO Elon Musk introduced the world to the Powerwall, a wallmounted battery for your house which aims to accelerate our transition to clean solar and windpower. Before the powerwall, there was no way to store the energy generated from the panels that capture sunlight on our roofs. So during the day they could give you the power you needed, but at night, you had to rely on the grid, which gets most of its.
Electricity from coal, natural gas, and nuclear reactors. There had been some early home batteries out there, but nothing that was nearly this affordable. But Tesla, which has built thousands of large, lithiumion battery packs for its growing electric car business, was able to produce a similar battery for buildings at a scale that dropped the production costs dramatically. The lowest capacity model will cost just $3,000. And this is the first generation of the productbefore Tesla's even completed building its massive new Gigafactory, or any real competitors have entered the market, events that will surely push the price down.
Even further, while increasing the energy storage capacity of the Powerwall. Here's how it works. When the sun is out, solar panels will power your house and charge the Powerwall at the same time. And when the sun goes down, this charged battery will kick in to meet most or all of your electricity needs until the sun comes back up again the next morning. This is gamechanging. More and more people will go completely offgrid. Every building whether it's a home, office, business, warehouse, factory they can all.
Install solar panels and some Powerwalls and instantly see their fossil fuelgenerated electricity needs drop significantly. Not every building will be able to go completely solarpowered, but most will get pretty close, especially as our appliances become more and more energy efficient. And it gets even better. The powerwall will be connected to the Internet and the rest of the energy grid. Here in Southern California, and most other heavily populated places, the electricity company charges us a lot more when we use electricity during peak timethat's in the afternoon and early evening when the temperatures are warmest and most of us are.
Home and still awake. The Tesla battery is smart, and knows when electricity is cheapest, so that's when it will draw from the grid to charge itself. And then, during peak time when you need electricity, the battery will power the house. Sometimes, you'll be able to sell back unused power to the utility company during peak time to even make a profit. It's basically going to make each individual building its own power station. Overnight, Tesla seems less a futuristic car company, and more like the man who inspired the company's name, a revolutionary electricity engineer named Nikola.
Thanks for watching. If you liked this tutorial, help the conversation spread by hitting that thumbs up button. For TDC, I'm Bryce Plank. on the screen to watch more TDC, like our tutorial running down ten possible clean energy sources of the future or the ten fastest electric cars on the road. You can click to go back on our channel or take us up on our offer for a free audiobook of your choice from Audible, like the soontobereleased profile of Elon Musk. You have to put your credit card number in, but you get to try the service without charge for a whole month,.
Vortex Bladeless develops a Wind Turbine without Blades
Vortex Bladeless is a Spanish tech startup. It wants to completely change the way we get energy from the wind. Think wind stick instead of a massive tower with blades that capture blowing winds. The Vortex is a new kind of Wind Turbine being developed without any blades. The conical shape harnesses the oscillating motion caused by the wind and converts that to kinetic energy. When wind hits a structure and flows over its surfaces the flow changes and generates a cyclical pattern of vortices at the tail end of the flow. This is known as the vortex.
Shedding effect which creates something known as vorticity and that is what Vortex Bladeless uses to generate energy. Vorticity has long been considered the enemy of architects and engineers, who actively try to design their way around these whirlpools of wind. Where designers see danger, Vortex Bladeless's founders see opportunity. The team started Vortex Bladeless in 2010 as a way to turn this vibrating energy into something productive. This is not your usual wind turbine. It consists of a fixed mast, a power generator that has no moving parts which come into contact with each other and a semirigid fiberglass cylinder.
The power generator is a system of magnetic coupling devices which means there are no gears needing lubrication and an overall system needing less maintenance. The Vortex team says there are some clear advantages to their model It's less expensive to manufacture, totally silent, and safer for birds since there are no blades to fly into. According to conservative estimates Vortex saves 53 in manufacturing costs and 51 in operating costs compared to conventional wind turbines. Vortex is much smaller than traditional wind turbines, allowing you to use your space more.
Efficiently. Initially, the cofounders were looking at large generating devices. That remains a longerterm goal but a much shorter range goal is a device of 4kW Vortex that would be about 13 meters tall. The company sees this generator being used in conjunction with solar generation for homes that are either off the grid or want to be off the grid. This spanish company has already raised $1 million from private capital and government funding in Spain. In February of this year, Vortex Bladeless relocated to Boston. There it is working with.
myNCstory Niagara College Renewable Energies Powering up students for indemand careers
Bryan Well, the program is designed to give the students a comprehensive, working knowledge of the various technologies in the renewable energies field, so wind systems, solar system, geothermal. computerized voice Chris For me it's very simple. The fact of the matter is that fossil fuels will run out one day, whether it's our generation, two generations, three generations down the road. Eventually we do need to have a solution to this problem. Bryan Well, as we know, the world is changing quickly. We need there's a need for students to be informed.
And able to work with renewable energies technologies. The field is really calling for students who have the ability to really have a handson working knowledge of the various technologies in the field. soft guitar music Chris Sort of the stuff that we're doing right now, the lab work and actually getting to use the equipment. Josh But now we are testing voltage levels on a generator. This would be for a wind turbine, and it's adjusting to see if there's any faults. And in the real world, if there were faults,.
We would be troubleshooting it to fix the problem. Chris If there was a real fault, the wind turbine, itself, would shut down and then there'd be a team going in to up the tower wherever they have to go to fix the problem. Josh Being able to do all these tests and work with the equipment before you go out there gives you a lot more confidence when you're actually in the field, as to being able to measure something instead of being up there and being confused and being scared.
Rural Australia and the Renewable Energy Target
The drought, it's awe consuming. You come home and you know that you're going to have to try and sleep and get up and do it all again. We were approached to host a wind farm, we're reaping the benefits of a decision in a really tough time through the drought. If the government cut the renewable energy target, all of that opportunity has disappeared overnight, it's gone offshore. The best way to support famers is to have a stable renewable energy target that encourages investment in regional Australia. I'm not a scientist, I'm not an economist either, but it's pretty simple isn't it.
NREL SolarCity Maximizing Solar Power on Electrical Grids
The growth of distributed energy resources is becoming real and tangible. Solar technologies, particularly those distributed, rooftop, PV solar technologies, add a lot of variability to the energy supply coming onto the grid. Reliability has been one of the highest responsibilities or roles of utilities. They have to deliver reliable energy to their customers. Folks that have PV on their rooftops want to make sure at the end of their day that they still have a resilient, energyefficient system. The Energy Systems Integration Facility is the only place in the country that has utilityscale capabilities.
In terms of testing and validation. Companies that are out there providing power to consumers don't want to experiment with that. They don't want to experiment with their own systems. And so, the ESIF offers them a place just like their own to do the work that will advance clean, affordable, and reliable power. Putting actual devices that we use in the field into a live circuit at NREL and doing simulation around it is a capability we can't do anywhere else. NREL partnered with SolarCity and HECO to bring together a provider of solar.
Technologies and advanced power electronics and inverters with a utility that had real concerns about operating their grid. SolarCity came in to the Energy Systems Integration Facility. They wanted to better understand how smart inverters would play with Hawaiian Electric. And as an integrator, they wanted to make sure that what they were promoting and what technology they were trying to push forward was actually sound and valid. We have five research projects with NREL. The first one is completed, and the results are done, and it's had a tangible impact in the industry, and specifically in.
Hawaii already. The test relates to a term called transient overvoltage. That was essentially a limiting factor that Hawaiian Electric Company was concerned about as far as installing distributed energy resources on their grid. Once the results came back, it basically said that transient overvoltage was not the limiting factor that we thought it might be. From a technology perspective, it was not the limiting factor on the grid anymore in Hawaii. We have these specific results in Hawaii. We anticipate, and we're getting the interest, to take those results and apply them to utilities across the country. Utilities are reaching out, they're.
Asking about it, and there's an appetite to revisit these limits. I'm a big believer in collaboration. This sort of collaboration, collaboration with utilitiesdistributed energy resource providers like SolarCity and national labs like NRELit's critical because of the pace of change in the industry. NREL can be that convening authority, that facilitator for these collaborations to bring groups together in ways that they may not individually do on their own. I think this is absolutely the beginning of a new paradigm for relationships on tackling these really challenging topics on the grid.
We hope that bringing industry partners, the utility folks together with our staff, our Energy Systems Integration Facility capabilities, all the research teams will be able to have that much further impact towards the smart grid of the future. The grid is evolving, and it's one of the biggest assets we have as a country. To change that, to bring a new technology to engage new consumers, and doing all of this in an equitable way that reduces carbon and supports the environmentit's a whole set of large, audacious goals that are incredible to work on.
Power electronics company employs Innovate for Maine interns after they graduate
I'm Ben Polito. I'm the cofounder and president of Pika Energy. We're located in Westbrook, Maine. Pika Energy builds power electronics that help customers to produce and manage their own power. So, rather than buying electricity from the utility, they can actually make and manage their own power using our technology. They can cut their costs. We can provide secure power, so that their system doesn't go down in a blackout. Even allow them to sell power back to the utility. Actually, the company started out in my basement. There were three of us at first. We were developing.
The core technology. As we've grown over the years, we eventually outgrew the basement and moved to Westbrook, where we're located now. We have a team of 12 people. The Innovate for Maine Internship Program has been a fantastic help to our company. We've been involved in the program from the very first year. We had an intern named Tony Nuzzo, who's the engineering student out of the University of Maine System. The program matched us with the absolute perfect candidate. He actually had experience building wind turbines, which is one of the products we make.
Fenix ReadySet Solar Charger from MTN Brings New Energy and Income to Uganda
Here in Uganda, people are having funds. But they don't have power. I use the ReadySet to charge people's phones and get some income from it. I put the solar panel up on the roof, and it started working. I charge between 68 phones per day. I was able to collect 100,000 $40 from the charging of the people's phones last month. When I know the power is on, I charge 500 shillings $0.20 each. And when the power is off, I charge them 1,000 $0.40. And there are those ones who come for express.
Immediately they come, they want their phones on. They also pay 1,000 $0.40 each. I put on one light, and it saves me 15,000 shillings $6 per month. Because I no longer buy paraffin to use in the house. I no longer use these Tadobas paraffin lamps, which burn children. Even if I'm out, I know that my kids in the house are safe because of that light. I had my kid who is in a boarding section of school. I bought him a mattress, I bought a suitcase, and one pair of shoes.
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