SOLAR ENERGY

Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. Solar radiation, along with secondary solar-powered resources such as wind and wave power, hydroelectricity and biomass, account for most of the available renewable energy on earth. Only a minuscule fraction of the available solar energyis used.

Solar powered electrical generation relies on heat engines and photovoltaics. Solar energy's uses are limited only by human ingenuity. A partial list of solar applications includes space heating and cooling through solar architecture, potable water via distillation and disinfection, daylighting, solar hot water, solar cooking, and high temperature process heat for industrial purposes.To harvest the solar energy, the most common way is to use solar panels.

Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy. Active solar techniques include the use of photovoltaic panels and solar thermal collectors to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air.

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HYDRO ELECTRIC POWER PLANT

Hydroelectric power plants convert the hydraulic potential energy from water into electrical energy. Such  plants are suitable were water with suitable head are available. The layout covered in this article is just a simple one and only cover the important parts of  hydroelectric plant.

Dams are structures built over rivers to stop the water flow and form a reservoir.The reservoir stores the water flowing down the river. This water is diverted to turbines in power stations. The dams collect water during the rainy season and stores it, thus allowing for a steady flow through the turbines throughout the year. Dams are also used for controlling floods and irrigation. The dams should be water-tight and should be able to withstand the pressure exerted by the water on it. There are different types of dams such as arch dams, gravity dams and buttress dams. The height of water in the dam is called head race.

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WIND CHARGER

Windcharger is unquestionably the fastest on the ground, at least for short distances. Of all Autobots living or deactivated, he is among the quickest; he can go from zero to 60 MPH virtually instantly, limited only by the traction between his tires and their driving surface. Frequently, after tearing away with a neck-snapping jerk, he will just as rapidly squeal to a halt to investigate something that caught his eye, for Windcharger is impulsive as well as impatient, both in mind and in body.

Naturally, such quick starts require a huge burst of energy from Windcharger's power systems. He can also use this energy in another way. In robot mode, he can energize his arms and make them the poles of a precisely controllable electromagnet, powerful enough to levitate ten tons of steel 700 feet away. With care, he can draw objects gently toward him or hurl them violently away. Also, as the long-suffering laws of physics dictate, this field is extremely strong near Windcharger; at close range, he can tear magnetic objects to shreds.

Unfortunately for Windcharger, his power supply, biased as it is toward a brief, heavy overload, is prone to failure if the overload is too severe or too long-lasting. Even worse, his impulsive nature makes him hardly willing to exercise the mental control he needs to avoid overusing his power. As a result, Windcharger often finds himself stumbling home, reeking of ozone and burned insulation, and needing medical attention and a nice, tall, chilled glass of dielectric oil.

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HYDRAULIC CRANE

Hydraulic crane is one of the machine which works with hydraulics. Hydraulic cranes are very simple by design but can perform Herculean tasks that would otherwise seem impossible. In a matter of minutes, these machines are able to raise multi-ton bridge beams on highways, heavy equipment in factories and even lift beachfront houses onto pilings. Hydraulic truck cranes are also used to lift killer whales like Shamu out of water tanks when places like Sea World ship the whales to new destinations.

When watching a hydraulic truck crane in action, it's hard to believe just how much weight it's moving because it deals with these multi-ton objects with relative ease. Hydraulic truck cranes vary in lifting power.
Similar to the above one,we do have light duty hydraulic cranes which are used for lifting light weight objects.the main advantage of that this type of hydraulic cranes is that they do not require much power and economically and mechanically efficient.

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