Solar Power Systems - The New Era of Generating Energy

Due to the increasing improvement in solar power systems lately, many homes are solely dependent on solar power globally. This leads to the question of how solar energy is put to use. It is claimed that most solar power systems can collect heat created by sunlight striking an object. An example of this is to simply concentrate light with mirrors or lenses to produce enough heat to start a fire. This indirect method of producing solar power is known as "Concentrating Solar Power" (CSP). As briefly mentioned earlier, CSP systems use the simple technology of lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. The consequential heat is then used as the heat source for a conventional power plant. The "Parabolic Trough" and the "Stirling Dish" are two examples of concentrating technologies. In all concentrating solar power systems a working fluid is heated by the concentrated sunlight.

It is then used for either power generation or energy storage. Furthermore, it is important to provide the continuous availability of energy since solar energy is not available during the night. Since solar power is an intermittent energy source, all available energy made available should be taken when available, stored, or transported via transmission lines to where it can be used. In storage solar energy is stored at high temperatures using molten salts. These molten salts have low-cost, high specific heat capacity and can distribute heat at temperatures compatible with conventional power systems. This expertise helps increase efficiency of the system.

A direct method of solar technology involves the "Photoelectric Effect". It was in 1839 that Edmund Becquerel discovered the technique of producing an electric current in a solid material using sunlight. Once this method developed it was found out that photoelectric or photovoltaic effects caused certain materials to switch light energy to electrical energy at an atomic level. The Photoelectric Effect uses the simple method of reflecting, absorbing or direct pass of light. However, it is only the absorbed light that can actually generate electricity.

Hopefully this information should be useful if you are considering using solar power as an energy source for your home. Just remember even though there are certain disadvantages to think about, the number of advantages outweigh the number of disadvantages. These disadvantages can be improved vastly as technology improves. Additionally, it is important to keep in mind that solar powered appliances have vastly changed for the better when compared to ten years ago.

Bear in mind that home solar power systems are suitable in regions with a lot of available sunlight. So do not opt out to get a solar panel system unless you are completely sure of the surroundings. Again, as suggested earlier, it is best to have an alternate energy source in case of low availability of sunlight. Although solar power is an energy source that has only been recently utilized, it might just become the most crucial energy source of the future. Learn how to build a solar panel today!

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Making Electricity With Solar Panels

At the heart of a home solar power system is, of course, the solar panel itself. There are various types of solar panels and I’ll describe them all in more detail later on.

Solar panels generate electricity from the sun. The more powerful the sun’s energy, the more electricity is generated. Solar panels continue to generate small amounts of electricity even when in the shade.

Most solar panels are designed to produce around 14-16 volts when put under load. This allows a solar panel to charge up a 12 volt battery.

Incidentally, if you connect a voltmeter up to a solar panel when it is not under load, you may well see voltage readings of up to 22 volts. This is normal in an ‘open circuit’ on a solar panel – as soon as you connect the solar panel into a circuit, this voltage level will drop to around 14-16 volts.

Solar panels can be linked together in an ‘array’ to create more power, or to run the system at a higher voltage. Connecting the panels ‘ in series’ allows a solar array to run at a higher voltage c typically 24v or 48v – whilst connecting the panels ‘in parallel’ allows a solar array to produce more power at a lower voltage.

In a solar array where the panels are connected in series, you add the voltages of each panel together and add the power (in watts) of each panel together to calculate the maximum amount of power and voltage the solar array will generate.

In a solar array where the panels are connected in parallel, you take the average of all the solar panels (i.e. if all the panels are 12 volt panels, the average voltage is 12v) and you add the power (in watts) of each panel to calculate the maximum amount of power the solar array will generate. Learn how to build your own DIY solar panel today!

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Living Off The Grid With Stand Alone Solar Power System

Worldwide, stand alone solar installations are the most popular.

Whether it is powering a shed light, providing power for a pocket calculator, or powering a complete home, stand alone home solar power systems fundamentally all work in the same way – power is generated by solar, stored in a battery and then used as required.

Almost everyone can benefit from a standalone solar power system for something – even if it is something as mundane as providing an outside light somewhere. Even if you are planning on something much bigger and grander, it is often a good idea to start with a very small and simple stand alone solar power system first and then progress from there. Learn how to build your very own DIY solar panels today!

Grid tie

Grid tie is gaining popularity – particularly in Europe and the United States – thanks to the availability of grants to reduce the installation costs, and the ability to earn money by selling electricity back into the power grid.

In a grid tie system, power generated when the sun shines is used to power your home. Any surplus power generated is sold back to the power companies.

When the sun is not shining, you then buy your power from the power companies in the usual way.

One disadvantage of most grid tie systems is that if there is a power cut, power from your solar array is also switched off.

The benefits of a grid tie solar installation are that they can be used to reduce the reliance on the national utility grid, ensuring that more of your electricity is produced in an environmentally efficient way. It is considered to be an environmentally friendly generator after all.

Grid tie can work especially well in hot, sunny climates where peak demand for electricity often coincides with the sun shining, thanks to the high power demand of air conditioning units.

Grid tie with power backup combines a grid the installation with a bank of batteries.

As with grid tie, the concept is that you use power from your solar array when the sun shines and sell the surplus to the power companies. Unlike a standard grid tie system, however, a battery bank provides contingency for power cuts – so that you can continue to use power from your system.

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Solar Electricity and Solar Heating

Solar electricity is produced from sunlight shining on photovoltaic solar panels. This is different to solar hot water heater or solar heating systems where the power of the sun is used to heat water or air.

If you are planning to use solar power to generate heat, solar heating systems are far more efficient than solar electricity, requiring far smaller panels to generate the same amount of energy.

Solar electricity is often referred to as photovoltaic a solar, or PV Solar. This describes the way that electricity is generated in a solar panel.

Deep in the center of the sun, the intense nuclear activity generates huge amounts of radiating. In turn, this radiation generates photons – quite literally bundles of light energy. These photons have no physical mass of their own, but carry huge amounts of energy and momentum.

Different photons carry different wavelenghths of light. Some photons will carry non-visible light (infra-red and ultra-violet), whilst others will carry visible light (white light).

Over time, these photons are pushed out from the center of the sun. it has been estimated that it can take one million years for a photon to be pushed out to the surface from the core. Once they reach the sun, these photons are pushed out through space at a speed of 670 million miles per hour and reach earth in around eight minutes.

On their travel from the sun to earth, photons can collide with and be deflected by other particles, and are destroyed on contact with anything that can absorb radiation, generating heat. That is why you feel warm on a sunny day; your body is absorbing photons.

Our atmosphere absorbs a lot of these photons before they reach the surface of the earth. That is why the sun feels so much hotter in the middle of the day – when the sun is directly overhead and the photons have to travel through a thinner layer of atmosphere to reach us – compared to the end of the day when the sun is setting and the photons have to travel through a much thicker layer of atmosphere to reach us.

This also explains why a sunny day in winter is so much colder than a sunny day in summer – the earth is angled away from the sun and the photons have to travel through a much thicker layer of atmosphere before they reach the surface of the earth.

Take a look into new ways to generate electricity and even discover how you can build your very own DIY solar panels.

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Why Choose a Solar Power System?

There are a number of reasons why you may wish to consider installing home solar power systems:

Where there is no other source of electrical power available, or where the cost of installing mains electrical power is too high.

• Where other sources of electrical power are not reliable – i.e. when power cuts are an issue and a solar system can act as a cost effective contingency,
• When a solar power system is the most convenient and safest option – installing low voltage solar lighting in a garden, for instance.
• You can become entirely self sufficient with your own electrical power.
• Once installed, solar power provides virtually free power without damaging the environment.

Calculating the true cost of installing a solar power system depends on various factors:

• The power of the sun at your location at different times of the year
• How much energy you need to generate
• How good your site is for capturing sunlight.

Compared to other power sources, solar power systems typically have a comparatively high capital cost, but a low ongoing maintenance cost.

To create a comparison with alternative power sources, you will often need to calculate a payback of costs over a period of a few years in order to justify the cost of a solar electric system.

On all but the most simplest of installations, you will need to carry out a survey on your site and carry out some of the design work before you can ascertain the total cost of installing photovoltaic systems. Don’t panic – this isn’t as frightening as it sounds. It isn’t difficult and it is covered in detail in later chapters.

We can then use this figure to put together a cost justification on your project that can then be compared to the alternatives. Learn how to build a solar panel today!

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DIY Solar Panels

For those who are making plans for crafting your own personal home solar power systems, DIY solar panels have been available for some time, nevertheless only a short time ago have people taken matters in their very own hands and looked seriously at how to make their personal solar power installation.

Precisely why would any one desire to create his very own solar panel setup? Besides, can't they be purchased via vendors? Although this is correct, the actual pitfall is that photo voltaic energy designs procured by professional companies happen to be incredibly overpriced. You are able to actually save big bucks by generating their own. They are also much easier to generate electricity than what you may think.

House owners might spend as much as $20,000 or over on professional solar power packages. This is certainly clearly lots of money and quite a few people would be challenged to make a case for this type of significant expense. The good news is that homeowners need not invest this amount of hard earned cash in order to get access to a solar panel for his or her household.

Producing DIY solar power power plants is easy to accomplish and it is possible to save a great deal of money performing it your self. An individual photovoltaic solar panel can be engineered for about $100 which will make it possible for you to get started on creating electric power without delay. Everything that is needed is a solar photovoltaic panel, a battery including a direct current meter.

All these standard parts can be obtained at any local home improvement center. You will discover no requirement to special order them. Once you have the photovoltaic panel, you'll need a battery pack. They are going to be used in order to store power created by your trusty solar panel. I would endorse a twelve volt battery for folks who are just getting started.

A direct current meter is also required to transform the power created through your trusty photovoltaic solar panel into alternating current power which just about all home electronics use. Once you have these parts you are essentially done producing DIY solar power.

What comes next will be to join the Power meter to your power supply making use of protected wiring. When you've carried out this you are prepared to commence making your own source of electricity. Solar panels perform best through direct sun rays so you are going to have to look for a area around your domicile that features accessibility to the maximum amount of sunshine as you can.

How long does it take to power the 12 volt battery? You need at the very least eight hours in order to completely charge your battery. You are at this instant ready to begin using the power and saving money on your electricity costs through DIY solar panels.

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Solar and Wind Energy Systems

Don't be fooled into thinking that you cannot use solar or wind energy to power your home, as many countries now are using these energy as part of their power system. Not only they are helping our environment, but they can also save a great deal of money for people who have decided to make the switch from your normal energy source. The popular way of harnessing energy is using DIY Solar Panels and Home Wind Turbine.

Before you run out to get your own alternative energy source, there a few things which you need to consider, especially one that might land you in trouble! First and foremost, make sure you consult with your own city zoning ordinances before you implement any form of tools that collect these energy. Make sure you get consensus to do so, especially if you're planning to install a large windmill right at your own home.

You'll most likely need some form of permit or so from your local council, check with your local authorities to make sure that they're not against it and sometimes you might be surprise to know that they actually do support the project. All you need to do is to ask.

The initial of setting up these solar and wind energy system can be quite costly, especially if you're paying someone else to have it set up for you. Therefore spend some time on the net, or over the phone with the company you might hire to determine the costs of set up. You should not be put off by the price tag because in the long run it might be cheaper for your household!

Find out from them whether it can be integrated together with your current utility company, many times we find that by using solely earth energy alone are not enough to power your whole house. This is especially true for areas that do not get much sun light and wind throughout the year.

That being said, it is still well worth it to implement the system because not only it can save you money on your utility bills, you are also helping the environment by not polluting the environment further with your alternative energy sources, as they are renewable.

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