Biofuels have been around as long as cars have.

A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms.

Generating Electricity from Wing Waves.

Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind.

Producing electricity from solar energy.

Solar energy is a free, inexhaustible resource, yet harnessing it is a relatively new idea. The ability to use solar power for heat was the first discovery.

Turbines catch the wind's energy with their propeller-like blades.

A blade acts much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on the downwind side of the blade.

Solar energy may have had great potential

Solar technology advanced to roughly its present design in 1908 when William J. Bailey of the Carnegie Steel Company invented a collector with an insulated box and copper coils.

We have been harnessing the wind's energy for hundreds of years.

For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant.

Biofuels are produced from living organisms.

In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.

Geothermal energy is the heat from the Earth.

Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.

Geothermal heat pumps can tap into this resource to heat and cool buildings.

A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building.

In the future, civilization will be forced to research and develop alternative energy sources.

Possession of surplus energy is, of course, a requisite for any kind of civilization, for if man possesses merely the energy of his own muscles, he must expend all his strength - mental and physical - to obtain the bare necessities of life.

Showing posts with label electrical engineering. Show all posts
Showing posts with label electrical engineering. Show all posts

Thursday, August 29, 2013

Solar Power Plant With Solar Ac Titan Power Grid

Solar Power Plant With Solar Ac Titan Power Grid
TITAN POWER GRID, based in Hyderabad, India, offers SOLAR POWER PLANT WITH SOLAR AC, among other solar-based products/solutions. I met their representatives at the recently concluded HYREX 2015 Solar Expo at Hyderabad.

This is the Solar AC they had displayed in their stall. It seems they make the Solar AC in association with SHARP. As you can guess, the Solar AC uses Inverter AC technology that can adjust the speed of the compressor based on the ambient air temperature which results in lower energy consumption/energy bills, and quieter operation.

But the Solar AC developed by Titan Power Grid, the company representatives say, is more efficient than Inverter ACs because they use more energy efficient parts and power the motor, compressor, fans, etc. through solar. Hence, their 1 Tonne AC is rated at 560W that can be provided by 600W Solar Panels, which is lower than the 1000W+ power rating of normal ACs (according to their website).

They provide three options for Solar AC:


* Stand-alone energy efficient Solar AC that is not powered by Solar Panels.
* Solar AC powered by Solar Panels and with AC Synchronization Controller to enable the AC to be operated with Solar power or Grid.
* Solar AC with Solar Panels, AC Synchronization, and Batteries to enable the AC to be operated with Solar Power, Grid or Saved solar power in the batteries.

For further details on Titan Power Grid Solar AC, please refer to their product page. It seems, currently they are offering Solar ACs only along with 3KW (or more) Solar Power Plants. Right now you can find the prices of Solar Power plants from the right-hand side news section of their website. Their representatives told me that they hope to sell Stand-alone Solar ACs shortly.

Also, have a look at their excellent guide (pdf) explaining the basic components that go into the making a solar power plant.

Credit: www.garvindirect.com

Thursday, May 30, 2013

Wind Turbine Blade Length Ge Incredibly Should We All Give Solarpower Yet Another Attempt

Wind Turbine Blade Length Ge Incredibly Should We All Give Solarpower Yet Another Attempt
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Sunday, January 6, 2013

Ensupra Grid Tie Inverter 500W Adv Design 1 Yr Wrty 25 46Vdc To110Vac 1Yr Wrnty Power From Solar Panel Wind Generator

Be realistic

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Wednesday, April 25, 2012

How To Make A Solar Inverter Circuit

How To Make A Solar Inverter Circuit
Solar power is abundantly available to us and is free to use, moreover it's an unlimited, unending natural source of energy, easily accessible to all of us. We have discussed how to use solar panels for generating electricity from solar or sun power, in this article we are going to discuss a simple arrangement which will enable us to use solar energy for operating our household appliances.

A solar panel is able to convert sun rays into direct current at lower potential levels. For example a solar panel may be specified for delivering 36 volts at 8 amps under optimal conditions, but we cannot use this magnitude of power for operating our domestic appliances, because these appliances can work only at mains potentials or at voltages in the ranges of 120 to 230 V. Further more the current should be an AC and not DC as normally received from a solar panel.

We have come across a number of inverter circuits posted in this blog and we have studied how they work.

Inverters are used for converting and stepping up low voltage battery power to high voltage AC mains levels.

Therefore inverters can be effectively used for converting the DC from a solar panel into mains outputs that would suitably power our domestic equipment.

Basically in inverters, the conversion from a low potential to a stepped up high mains level becomes feasible because of the high current that's normally available from the DC inputs such as a battery or a solar panel. The overall wattage remains the same.

For example if we supply an input of 36 volts @ 8 amps to an inverter and get an output of 220 V @ 1.2 Amps would mean that we just modified an input power of 36 x 8 = 288 watts into 220 x 1.2 = 264 watts. Therefore we can see that it's no magic, just modifications of the respective parameters.

If the solar panel is able to generate enough current and voltage, its output may be used for directly operating an inverter and the connected household appliances and also simultaneously for charging a battery. The charged battery may be used for powering the loads via the inverter, during night times when solar energy is not present.

However if the solar panel is smaller in size and unable to generate sufficient power, it may be used just for charging the battery, and becomes useful for operating the inverter only after sunset.

Referring to the circuit diagram, we are able to witness a simple set up using a solar panel, an inverter and a battery. The three units are connected through a solar regulator circuit that distributes the power to the respective units after appropriate regulations of the received power from the solar panel.

Assuming the voltage to be 36 and the current to be 10 amps from the solar panel, the inverter is selected with an input operating voltage of 24 volts @ 6 amps, providing a total power of about 120 watts.

A fraction of the solar panels amp which amounts to about 3 amps is spared for charging a battery, intended to be used after sunset.

We also assume that the solar panel is mounted over a solar tracker so that it is able to deliver the specified requirements as long as the sun is visible over the skies.

The input power of 36 volts is applied to the input of a regulator which trims it down to 24 volts.

The load connected to the output of the inverter is selected such that it does not force the inverter more than 6 amps from the solar panel. From the remaining 4 amps, 2 amps is supplied to the battery for charging it.

The remaining 2 amps are not used for the sake of maintaining better efficiency of the whole system.

The circuits are all those which have been already discussed in my blogs, we can see how these are intelligently configured to each other for implementing the required operations.

A MINI solar inverter circuit with relay changeover is discussed HERE

FOR CHARGING BATTERIES UP TO 250 AH


The charger section in the above circuit may be suitably upgraded for enabling the charging of high current batteries in the order of 100 AH to 250 AH.

An outboard transistor TIP36 is appropriately integrated across the IC 338 for facilitating the required high current charging.

The emitter resistor of TIP36 must be calculated appropriately otherwise the transistor might just blow off, do it by trial and error method, start with 1 ohm initially, then gradually go on reducing it until the required amount of current becomes achievable at the output.

Sunday, July 10, 2011

Wind Turbine For Home Use

Wind Turbine For Home Use
Heap kinfolk are arrival to relish the judge of DIY wind turbines. The biggest issue slowing the amplified use of this energy source is the fact that most kinfolk don't detect how good the rate of refurbishment on this investment superlatively is. They in the same way don't detect that you can conform how to do a wind turbine with a totally small investment.

We all need to comprehend that these home prepared wind turbine plans as an alternative power source, are totally important. Light wind power can slacken off the descendants on current energy belongings and natural resources. It is in the same way an really clean source of energy. If we purpose to game reserve to gain our natural resources and be trustworthy that we specter game reserve to grasp energy for the future we call for sensible to alternative energy that is renewable.

To single-mindedness that issue you need to conform how to make your own wind turbine. A more readily unfamiliar source is wind power. Being the wind is blowing we can grasp a tap down avoid of electrical energy to solution our desires and we specter be using handsomely none of our non-renewable energy sources.

Homebrew wind turbines specter not commit unappealing by products or dirt. They specter not unhook any deadly gasses in vogue the air such as other non renewable energy sources we grasp apt to depend on so compactly. Being you do a diy wind turbine, using unmarried energy makes wind turbines really helpful conclusive that initial startup investments can be totally downgrade. This source of energy specter free quite a few of the alarm about sky- rocketing energy assign and natural resource advantage. Moreover by production a diy wind turbine you are your own energy source and in overfed dominance of assign.

Being you affect a home prepared wind turbine plan you specter fetch wind energy and convert it in vogue automatic energy which can after that be persuaded in vogue electrical energy.

Being you conform how to make a wind turbine you specter safe stamp out or at least slacken off the need and organization on our naturally stirring unprocessed fuels and detain us a speed more rapidly to relieving the command on our environment.

Your own wind turbine for home use is in actuality a totally strict way to supply electrical energy for your home. You may be taken aback to conform that it is more readily reduced to grasp one of these homemade wind turbines on your attribute and the charge of startup can be less than two hundred dollars.

Elfin homemade windturbines can there power dedicated slightly to your own home in arrange to supply electricity for elucidation, refrigeration, TV and other building appliances. If you discriminate to do a diy wind turbine you specter return quite a few colossal rewards. You can see in many in black and white articles that It is strict to cause a fully system that can stock a thousand dollars per blind date on electrical energy assign.

Having your own dc wind turbine specter approve of you to much slacken off the assign of electricity utilizing what can fundamentally be exact a source of unmarried electricity. Rationally grant are two athletic approaches to do a home prepared wind turbine. You specter perceive a smooth focus turbine and a perpendicular focus turbine. The smooth focus turbines are the exceptional ordinarily used and you necessity sincerely tactic these since deciding how to make a wind turbine. This awareness has the knife and rotor is positioned on top of a enlargement.

The perpendicular focus turbine has the main rotor shaft level vertically which advantageous that grant is no need to persistently cylinder it according to wind rule. The fan blades pick up the wind from any rule. This windturbine awareness is exceptional as it should be to regions where wind rule can turn ordinarily. This awareness in the same way allows the gearbox and generator to be positioned on the possibility, making fascinate for keep exceptional user cheery. This awareness all the same may be less effective and possibly will cable the strip of the knife while the awareness is less energy effective.

You may be asking yourself "what is a low charge wind turbine?" You can get started sedated 200. Light wind power is expert, clean and renewable. Constructing a homemade wind turbine for your own use is not only entirely realistic, but is in the same way an environmentally cheery express to match today's energy desires.

Tom Henricks manages abundant small websites to avoid kinfolk in reasoning flank products and information on the internet. For exceptional information about the undertake to slacken off your energy assign much contents pay a visit to http://www.your-home-energy.com.

The pronounce Light wind Turbine For Catch Use appeared formerly on wind turbine lifts.

Sunday, September 7, 2008

23Mw Solar Inverters To Pv Plant In Chile At Altitude Of 2800M High

23Mw Solar Inverters To Pv Plant In Chile At Altitude Of 2800M High
POWER ELECTRONICS PROVIDES 23MW SOLAR INVERTERS TO PHOTOVOLTAIC PLANT IN CHILE AT 2800m ALTITUDE The plant will be located to the north of the country, in Antofagasta 2,800m above sea level and will inject energy into the SING during the third quarter of 2015. This is the second project after commissioned PV Park Puquios 3MW last January. Chile is a country that gradually consolidated like solar market leader with 456 MW under construction, more than 5 gigawatts (GW) system approved by the Environmental Impact Assessment (SEIA) and another 4.7 GW in rating process. Climatologically and demographic diversity of the country is not a handicap for Power Electronics which has long been operating throughout the country demanding sectors such as mining. "In Chile we have delegation since 2007, we have strategic locations for the supply of spare parts allows us to provide technical support 24 hours in minimum time" said Miguel Angel Escribano, Director of Solar Power Electronics Division. The outdoor inverters Freesun GenII Series HEC will be responsible for supplying power to the electrical system of the country. The benefits of this unique modular inverter, redundant elements, stainless steel construction with mineral insulation and also offer the best rates of availability and durability of the market for large scale PV plants. La entrada 23MW SOLAR INVERTERS TO PV PLANT IN CHILE AT ALTITUDE OF 2800m HIGH aparece primero en Power Electronics.

Source: battleforgreenearth.blogspot.com