Hydroelectric generation uses water power to drive turbines and is an important means for producing the electricity so essential for modern life. Facilities have been becoming smaller, with generators able to use diverse water power sources. We’ll look at an ultra-small generator developed in Gifu that’s highly portable and works even with shallow, slow moving water. Already tested powering street lights, it promises to allow people in the world’s remote regions to generate their own electricity for the first time.
0:00 Overview
0:36 Advantages and Disadvantages
1:22 3 Types of Hydro Power
1:59 Primary vs. Secondary Sources
2:52 Equation for Potential Energy
4:12 Example Problem 1
5:59 Example Problem 2
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Energy too cheap to meter – that was the promise of nuclear power in the 1950s, at least according to Lewis Strauss chairman of the Atomic Energy Commission. That promise has not come to pass – but with some incredible new technologies, perhaps it still could. The question is – should it?
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If we want to convert mass into energy, fission gives the most bang for our buck. Unfortunately that “bang” can be literal. Use of nuclear energy may risk the proliferation of nuclear weaponry, and there’s also the problem of nuclear waste, and the specter of horrible accidents. This last one was painted in terrifying detail in the recent dramatization of the Chernobyl disaster. Nuclear reactors sound scary because the disasters are pretty epic. However the reality is that far, far more people die from straight up air pollution due to coal-fired power plants than ever died in a nuclear reactor accident. In fact the radioactivity around coal-fired plants is also higher due to the trace but completely uncontained radioactive products of coal burning.
But the most compelling attraction is that nuclear power doesn’t directly produce carbon emissions. In fact nuclear power may be our most sure path to reducing carbon emissions and halting climate change. But can we do nuclear power safely enough? There are modern ideas – including the much-hyped thorium reactor – that suggest maybe we can. Before we can understand those we’ll need to review how nuclear reactors work.
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In this video Paul Andersen explains how energy can be harnessed was water moves through a turbine. Three types of systems are discussed in the video; run-of-the-water, impoundment, and tidal. Several advantages and disadvantages of dams are discussed.
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All of the images are licensed under creative commons and public domain licensing:
Delphi234. (2014). English: Total world energy consumption by source 2013, from REN21 Renewables 2014 Global Status Report. Retrieved from https://commons.wikimedia.org/wiki/File:Total_World_Energy_Consumption_by_Source_2013.png
File:Flag of Costa Rica (state).svg. (n.d.). Retrieved from https://commons.wikimedia.org/wiki/File:Flag_of_Costa_Rica_(state).svg
Fundy. (2003). English: The SeaFlow tidal stream generator prototype with rotor raised. Retrieved from https://commons.wikimedia.org/wiki/File:Seaflow_raised_16_jun_03.jpg
Rehman, S. file: L. G. P. work: (2009). English: The Three Gorges Dam on the Yangtze River, China. Retrieved from https://commons.wikimedia.org/wiki/File:ThreeGorgesDam-China2009.jpg
unknown, U. S. A. C. of E. photographer. (Unknown date or not specified). English: Chief Joseph Dam on the Columbia River near Bridgeport, Washington, USA. The dam is operated by the U.S. Army Corps of Engineers. Retrieved from https://commons.wikimedia.org/wiki/File:Chief_Joseph_Dam.jpg Video Rating: / 5
For more information on Michael Shellenberger, please visit www.tedxberlin.de. Michael Shellenberger is co-founder and Senior Fellow at the Breakthrough Institute, where he was president from 2003 to 2015, and a co-author of the Ecomodernist Manifesto.
Over the last decade, Michael and his colleagues have constructed a new paradigm that views prosperity, cheap energy and nuclear power as the keys to environmental progress. A book he co-wrote (with Ted Nordhaus) in 2007, Break Through: From the Death of Environmentalism
to the Politics of Possibility, was called by Wired magazine “the best thing to happen to environmentalism since Rachel Carson’s Silent Spring,” while Time Magazine called him a “hero of the environment.” In the 1990s, he helped protect the last signi cant groves of old-growth redwoods still in private hands and bring about labor improvements to Nike factories in Asia. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx Video Rating: / 5
Revisiting Small Modular Reactors – The Future of Nuclear Energy? Get Surfshark VPN at https://surfshark.deals/undecided and enter promo code UNDECIDED for 83% off and 3 extra months for free! Although nuclear energy is reliable and a sustainable energy source, the nuclear energy debate rages on. It’s not considered the go-to solution in the renewable energy transition. Solar, wind, and hydro are getting all the attention. Nuclear reactors are big, expensive, and take a long time to build, but what if we could make them smaller, portable, cheaper, and safer. Small modular reactors are getting a lot of interest with the first versions coming online in China and new locations popping up in Canada. As well as former SpaceX engineers that have made things even smaller … to a micro reactor scale. Could this be the future of nuclear energy?
Correction on NuScale: “A single NuScale Power Module (NPM) provides 77 megawatts electric (MWe), with a 12-module design resulting in a total gross output of 924 MWe.”
Watch Revisiting Thorium Energy – The Future of Nuclear Power?: https://youtu.be/uv6qt45lXDM?list=PLnTSM-ORSgi55IJwXkqPkgtq03bgQDNoH
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CBSE Class 10 Science – Sources of Energy – The Principal behind the Hydro Power Plant is converting the Kinetic energy into Electrical Energy. The energy due to motion of substance is known as Kinetic Energy. If we connect the turbine to flowing water the Kinetic Energy of Water will then get converted into Electrical Energy
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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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✔️ Topic Name: Hydro Power Plant
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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.
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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
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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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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
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