Archive for the tag: Electricity

generate electricity from table fan motor / hydro power generator homemade

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generate electricity from table fan motor / hydro power generator homemade

how to make electricity from water / hydro power generator homemade

about the video
hydro power, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy. In the early 21st century, hydroelectric power was the most widely utilized form of renewable energy; in 2019 it accounted for more than 18 percent of the world’s total power generation capacity.

hydroelectricity working model – electricity generation using rain water | howtofunda

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hydroelectricity working model - electricity generation using rain water | howtofunda

hydroelectricity working model – electricity generation using rain water by harvesting it – diy science project
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Short information :

Hydroelectricity is a form of electricity that is produced by using the kinetic energy of moving water to generate electricity.

A dam is a barrier built across a river or other body of water (on roof top) to create a reservoir. Water from the reservoir is released through a channel or pipe, called a penstock, and falls down to a lower elevation, creating kinetic energy. This kinetic energy is used to turn a turbine, which generates electricity.

Overall, hydroelectricity is a clean, renewable energy source that can be a reliable source of electricity, particularly in areas with abundant water resources.

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This Overlooked Energy Source Could Supply 50% Of Electricity

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Miles below the Earth’s surface, there’s enough thermal energy to power all of humanity for the foreseeable future. It’s called geothermal energy, and it’s poised to play an increasingly large role as a source of always available, renewable power. Now, there are a number of startups in the geothermal space, working to figure out how to access this heat in difficult to reach geographies, at a price point that makes sense. And it’s even gotten the attention of oil and gas industry giants, who are interested in greening their portfolios while sticking to their core competencies – extracting energy resources from deep within the Earth. 

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How Geothermal Energy Could Power The Future

How a dam generates electricity

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Have you ever seen a dam in real life? Those huge structures are not only vital for our water needs in dry seasons but are also quite helpful in providing extra energy.

By repurposing rivers and lakes, they reimagine vast ecosystems. They supply millions of homes around the globe with electricity, but how do these structures provide an alternative power source to humanity?
The short answer is by generating electricity from water. Acquiring dam power is simple in principle. Using the water’s kinetic energy and converting it into electricity is not something new and people have been benefiting from it since the first civilizations. They do this by using gravity to their advantage.

However, producing the amount of energy in today’s scale is not an easy task for sure. It is easier said than done. Therefore, it takes quite a number of professionals and engineers to build an electric generating dam. Thanks to the high efficiency of this conversion, hydroelectric dams are still one of the most convenient and preferred ways for alternative energy sources. Composing of four different parts, these magnificent engineering wonders have been providing us with energy while also helping the environment.
Dam energy has been used for quite a while, and the reason is clear.

If you also find these structures interesting and want to know more about how they function, we highly recommend you watch this video. You will be surprised how much you can learn about how dams are capable of converting the water-energy into electricity.

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How to Make Free Energy Generator 220v With 5kw Water Turbine Generator Free Electricity

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How to Make Free Energy Generator 220v With 5kw Water Turbine Generator Free Electricity

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Homemade Hydro Electric Station! Alternative energy! Free Electricity! Autonomous energy

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how to make hydro electricity generation at home | free energy school project

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how to make hydro electricity generation at home | free energy school project

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It's cheaper than solar panel and gives electricity at night

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It's cheaper than solar panel and gives electricity at night

I described a new (3rd) class of solar power plants (in addition to solar panels and traditional CSP) and formulated the goals that we must achieve

Now we see solar energy which is reflected from this mirror, and focused in this way, and this receiver converts solar energy into water steam. It is a prototype of one of my solar heaters. My goals are described by this formula, which leads us to the cost of solar heat at the level of 0.5 cent / kWh, and it is approximately 10 times cheaper than the cost of heat from natural gas. In addition, this cheap thermal energy can be used to generate solar electricity which is cheaper than electricity from thermal and nuclear power plants. The 2nd half of this video will describe how we can turn this thermal energy into electricity 24 hours a day, both during the day and at night.

This is the prototype of my 2nd idea for the production of very cheap solar heat. I remind you that such experiments are described in detail in other videos of my YouTube channel, and this 2nd idea aims at these goals which lead us to this cost of our solar heat, 0.5 cent / kWh.

Here we can see that the total construction cost of my mirror should be about 10 $ / sq. m. This is realistically achievable because my mirror consists of this mesh of steel rods worth $ 3, and this reflective film at a price of 25 cent / sq. m.

The mirror of my 1st idea is more expensive, and it is a mirror version of cheap stainless steel. The wholesale prices of these mirror sheets are less than 10 $ / sq. m. I remind you that I am aiming for this cost of my stainless mirror, about 15 $ / sq. m.

This is just the beginning of my experiments, which will be described in my future videos. I will also research and describe other types of mirrors for cheap solar heaters, and for example, now I am showing the idea of this American company. It is a balloon, made of this transparent film and this reflective film which focuses solar radiation. This is also a balloon, but it is very large and was proposed by this Austrian company. Its reflective film focuses solar radiation in this receiver.

This German idea is the 2nd example, and the basis of this mirror is cheap and long-lasting concrete. I plan to start experimenting with the cheapest option of similar concrete mirror in 2 months. This is the 3rd example of cheap mirrors, and I have been testing these mirrors at this my solar station for almost 8 years.

Of course, we know about traditional solar heaters for large solar power plants, and this is the 1st type of the traditional heaters. This is the 2nd traditional type of solar heaters, and this is number 3. This is type number 4, and now I am showing the fifth traditional solar heater type which is used by this new solar power plant in China.

Unfortunately, these 5 traditional types use very expensive mirrors and systems to turn them according to the movement of the sun across the sky. Their cost is about several hundred dollars per square meter, and it is 30 or 50 times more expensive than those cheap mirrors which I will research and describe in my future videos.

So, I propose the 2nd road to cheap solar electricity, which is parallel to the 1st road of these 5 traditional types of solar heaters. The 2nd road goes through experimental and economic testing of various types of extremely cheap mirrors and through maximum simplicity of our solar heaters. The simplicity gives us the following advantages: Low cost, Reliability, Small investment.

Which of the two roads is better, we can understand by similar formulas, and the winner will be the road that will offer cheaper thermal energy at the temperature we need. So, it is only competition, and I am not an enemy of these traditional ways, and I believe in their prospects and ability to win against solar panels.

In addition, we understand that I must find cheap options for such turns according to the movement of the sun. That is why I am looking for different options which are several dozen times cheaper than traditional ones, and i will describe them in my future videos.

Solar Panel Installation - Which? guide

0:00 Intro
0:36 How the system works
1:12 Arranging a survey
1:24 How long do they take to instal?
1:42 The installation process
2:55 Can the panels damage the roof?
3:14 The currents
3:40 Generation meter
3:45 When do they start working?

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What is a WIND TURBINE and how does generate electricity? Wind power – Components – Accidents

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Wind turbines are devices that convert the wind’s kinetic energy into electrical energy.

We can simply describe the wind as moving air, caused by differences in atmospheric pressure between different regions of our planet.
Differences in atmospheric pressure arise as a result of temperature differences.
When the air moves from an high pressure region into a low-pressure region, we feel the moving air as wind.

On the other hand, we can describe wind energy as the process in which wind is used to generate mechanical energy or electricity.

Since the beginnings of civilization man has always took advantage of wind energy: from the simple sail boats, to the grinding grain with the windmills, up to the actual production of electricity thanks to the wind energy converters, also known as WIND TURBINES.

There are different types and different sizes of wind turbines.
In this video we will focus on the most common horizontal axis turbines:
-We’ll find out which are the main components of this particular type of wind turbine
-We will understand how these devices are able to transform wind energy into electric current.
-We’ll see why don’t wind turbines have more than 3 blades, through the observation of their airfoil shape.
-And we will also see what are the main causes of accidents that can occur during the operation of these devices.

The first wind turbines were built towards the end of the nineteenth century with the aim of supplying electricity to small isolated villages

In the following years, the gradual structural and technological improvements of these devices, allowed the creation of real wind farms entirely dedicated to the production of electricity

Nowadays there are about 26 companies in the world specialized in the production of wind turbines

As we already mentioned at the beginning of this video, wind turbines transform mechanical energy into electrical energy. The wind energy caught by the wind turbines is in fact transferred thanks to a mechanical shaft to a generator.

The generator transforms the rotation energy into electrical energy, which in turn is transferred to a transformer, usually placed at the base of the wind tower. The transformer acts as a link between wind turbines and distribution grid. It steps up the low output voltage from the generator to higher distribution voltage level.

Let’s take a look at the various components of a wind turbine:

This is the TOWER, one of the most important parts. It represents the supporting structure of the wind turbine and has the function of absorbing the vibrations generated by the rotary motion of the blades.

These are the BLADES which are aerodynamically optimized to capture the maximum power from the wind and transfer it to the rotor hub. Each blade is usually 20 m or more in length, depending on the power level.

The ROTOR is the rotating part of the wind turbine. The rotor hub holds the wind turbine blades while connected to the gearbox via the low-speed shaft. Here we can find the pitch control system. Thanks to the pitch control, blades are turned in their longitudinal axis to change the angle of attack according to the wind directions. This mechanism also blocks the rotation of the rotor when the wind is too strong, or too weak.

The NACELLE is instead the enclosure of the wind turbine that houses all of the generating components, including: the gear box, the braking system and the generator, but also the pitch control system and the yaw system, which is responsible for the orientation of the wind turbine rotor towards the wind.

An anemometer places at the rear of the nacelle, in fact, constantly detects the wind direction. Whenever there’s a change in wind direction, the anenometer sends a signal to the yaw system, that provides to rotate the entire nacelle and consequently the rotor and the blades , to meet the wind at the best angle.

But now let’s see in detail what happens when the wind turbine goes into action:
The blades starts to turn when the wind reaches the so called “cut-in wind speed”, that is the point at which the turbine starts generating electricity from turning.

The rotor is connected to the drive shaft, which rotates inside the necelle.
The rotational energy of the drive shaft is transformed into electrical energy by the generator.
A generator is in fact a device that uses electromagnetic induction to produce electrical voltage…
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How to Make Free Energy Generator 220v Recycle Real Free Electricity Generator

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How to Make Free Energy Generator 220v Recycle Real Free Electricity Generator
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