Our animated correspondent “Little Lee Patrick Sullivan” explains how the wind can be used to generate power, including where wind comes from, its history as a power source, how wind farms generate electricity and what’s likely to be the first major offshore wind project in the U.S.
Hydroelectric Power Plant || Hydro Power Plant || Pumped Storage Power Plant
world’s largest hydroelectric power plant – https://youtu.be/LUC4fxMYllQ
At thermal power station generate electricity from steam to convert water from water to steam high grade of coal burned at the thermal station. but in hydroelectric power stations, direct water is used to generate electricity.
the hydroelectric power plant is the best renewable power plant, the hydro plant is purely environmentally friendly.
in this video talking about how hydroelectric power plant works and also talking about pumped storage hydroelectric plant, their working efficiency and cost of the plant.
topic covered in this video
hydroelectric power plant working
pumped-storage power plant
how hydroelectric power generation work
pump storage hydropower different from the hydropower station
the efficiency of the hydroelectric plant
cost of hydroelectric plant
synchronous generator at hydropower plant
penstock pipe
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#hydroelectric
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✔️ Topic Name: Hydro Power Plant
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In the past decade, wind power capacity has tripled, and it’s projected to double in the decades to come. Wind is now America’s top renewable source of electricity generation, and the domestic offshore industry is finally taking off, as major manufacturers debut ever larger and more powerful turbines. While the industry faces some challenges with permitting, public opposition from various interest groups, and the obvious intermittency issues, there’s no doubt that wind is poised to play a major role in the energy transition. The question is just how fast it will grow.
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The Rise Of Wind Power In The U.S.
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The meltdown at a nuclear power station in Fukushima, Japan, ten years ago stoked anxieties about nuclear energy. But nuclear is one of the safest, most reliable and sustainable forms of energy, and decarbonising will be much more difficult without it.
Further content:
Sign up to our newsletter about climate change: https://econ.st/38bLSO9
The Economist also has a new weekly newsletter, Simply Science: https://econ.st/3uWjw4b
Find all our coverage on science and technology: https://econ.st/3c3aEB1
See our latest coverage on climate change: https://econ.st/3uY1ZZd
Why didn’t the Fukushima disaster spur reforms in Japan? https://econ.st/3e8BDxS
The lessons about nuclear power, ten years on from Fukushima: https://econ.st/3c2fcYC
What is the future of Britain’s nuclear reactors? https://econ.st/3bg8ejt
Why smaller nuclear reactors might be better: https://econ.st/38dMQcz
How the world relies on Russia for nuclear power plants: https://econ.st/3kMqy6V
Listen to an episode of The Intelligence podcast about nuclear arms control: https://econ.st/3kO6i4N
Will nuclear energy power war zones? https://econ.st/3qsdipr
Could floating reactors be a better option? https://econ.st/3uTIvVM
The most promising zero-carbon resources: https://econ.st/3kLlYG9
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Greg Foot is joined by explorer and explainer extraordinaire Tom Scott at Kelvedon Hatch to demonstrate nuclear energy!
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Watch Part Two: https://youtu.be/-GGx6bBJv2U
Watch Tom Scott’s video all about Britain’s end-of-the-world-bunkers: https://www.youtube.com/watch?v=BTPToO-gfTE
Footnote 1 – http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/radiation/nuclearfissionrev2.shtml
Footnote 2 – http://www.nytimes.com/1999/02/27/us/glenn-seaborg-leader-of-team-that-found-plutonium-dies-at-86.html
Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Lab experts.
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https://youtu.be/X0OZ6tpZ3Mc
Hi Friends,
Welcome to Let’s Grow Up Youtube channel. Today we are launching a fantastic video. in this video, we explained the History of Hydropower or Hydroelectric. What is Hydro Power? What is History? Everything you will learn in this video. Not only history but also learn about some scientists and how the turbine was invented.
#History of Hydro Power
# Hydropower
#Hydroelectric Power Plant
#how hydroelectric power works
#What is Hydro Energy
# History of the water wheel
Thank You
Let’s Grow Up Team
Never Stop Your Learning:)
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Let’s learn about solar energy basics! Watch this to know more about how solar power works. (Presented by AlliantEnergyKids.com)
When it comes to solar, Power (kW) and Energy (kWh) are two of the things I see people get mixed up the most – I’ve even seen trained solar salesmen confuse the two, especially when talking about batteries.
If you want to fundamentally understand solar power, batteries, electric cars, and the future of energy so you can reap the benefits of the technology instead of being bewildered by it all, then understanding the difference between power and energy is your first step.
In this video, I break down how the two relate to solar power and solar batteries in a simple, intuitive way.
If you know almost nothing about solar, consider this video your entry point :). You can also read about the difference between power and energy here: https://www.solarquotes.com.au/good-solar-guide/power-energy-difference/
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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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This off-grid hydro power system has a major problem; too much power. Jeff has stumbled upon a small clan of off-grid homeschoolers and discovers that their power system is a major source of angst.
Their stream engine produces around 1200-1300 Watts continuously and their load controller must get rid of any excess power by dumping the power into a hot water tank. Image the struggle to use copious amounts of hot water!
Hydropower has been the largest global provider of renewable electricity for over 100 years and represents the first mainstream source of renewable energy. However, many environmental groups don’t view large-scale hydro as truly renewable. So what is it? Is hydroelectricity a foundation of our energy future or something better left in our past?
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Want to know more?
Check out a transcript and references for this video here https://energyminute.ca/video/286/hydropower
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