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Category Archives: Water Power Energy
A new design for a hydroelectric generator could cheaply light up off-grid areas. The Hydro-Electric Barrel is a spinning water wheel that floats on the water surface and turns in the current. The spinning motion drives permanent magnet generators inside. It could generate enough power to light banks of LEDs and light up bridges, buoys, or even charge mobile devices in off-grid areas and developing countries. And, because it sits on the surface, it doesn’t disrupt the environment as much as other hydro-power technologies.
Mr. Mike Lowery made a prototype for a whimsical-looking amphibious vehicle with a design flaw that, decades later, seeded his idea for a cheap hydro-power generator. His concept is called the Hydro-Electric Barrel, a floating water wheel that turns on top of a current to generate power using permanent magnet generators. Now, Lowery, a retired engineer and inventor, is looking for teams around the world to help develop prototypes.
The idea started with a prototype of a light one-seater amphibious vehicle for recreation or rescue. It placed a driver between three large, plastic spinning spheres. A pusher propeller scooted the thing along. Over land, it worked as planned, but over water, the spheres began to dive when Lowery opened it up to speeds faster than 4 mph. He had bumped into a principle called the Coanda Effect: The water flowing below the spheres curved around them and dragged them toward it.
There are three types of hydropower facilities: impoundment, diversion, and pumped storage. Some hydropower plants use dams and some do not. The images below show both types of hydropower plants.
Many dams were built for other purposes and hydropower was added later. In the United States, there are about 80,000 dams of which only 2,400 produce power. The other dams are for recreation, stock/farm ponds, flood control, water supply, and irrigation.
Hydropower plants range in size from small systems for a home or village to large projects producing electricity for utilities. The sizes of hydropower plants are described below.
The most common type of hydroelectric power plant is an impoundment facility. An impoundment facility, typically a large hydropower system, uses a dam to store river water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity. The water may be released either to meet changing electricity needs or to maintain a constant reservoir level.
A diversion, sometimes called run-of-river, facility channels a portion of a river through a canal or penstock. It may not require the use of a dam.
When the demand for electricity is low, a pumped storage facility stores energy by pumping water from a lower reservoir to an upper reservoir. During periods of high electrical demand, the water is released back to the lower reservoir to generate electricity.
Sizes of Hydroelectric Power Plants
Facilities range in size from large power plants that supply many consumers with electricity to small and micro plants that individuals operate for their own energy needs or to sell power to utilities.
Although definitions vary, DOE defines large hydropower as facilities that have a capacity of more than 30 megawatts.
Although definitions vary, DOE defines small hydropower as facilities that have a capacity of 100 kilowatts to 30 megawatts.
A micro hydropower plant has a capacity of up to 100 kilowatts. A small or micro-hydroelectric power system can produce enough electricity for a home, farm, ranch, or village.
In 1980s, The inventor Stanley Meyer invented a car using water powered energ, this is the first one to make physicists impossible thought become true. This car make the water into hydrogen fuel – first stage appearance, Myers attracted a large number of curious eyes. However, after shortly celebrating the advent of water with his brother and two Belgian inventors, Myers has passed away, leaving a "they poisoned me" this shocking testament.
Conspiracy theorists pointed out that under the sentence last words, lest those who come to the end of fossil fuels brutally murdered this inventor. A few years later, in 2007, it was discovered that the old car is stored in the Myers a friend's basement. Currently, this friend is selling the Myers water powered car.
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Water-powered street lights. Water + a little generator + LED street fixture = happy illumination for everyone.
Well, we don't know quite yet. Ireland is testing a water-powered lamp for street lighting – just one right now, flanked by two solar-powered LED fixtures. The fixture is powered by a little turbine powered by the stream under the footbridge where the test fixture is installed; one generator can power three of these street lamps. Oh, did I mention that the water-powered setup is €3,000? The water-powered lamp is backed up with a solar collector for those days when the stream is low, or something like that.
So, the conversion is €3,000 = $243,712.67 USD. I'm kidding, of course.
Does anyone have an image of this water or powered source and its generator?