Posts Tagged: Photovoltaic Cell

When you think about solar energy, you may think of those funky looking houses that have those weird looking panels on them. solar energy has many uses beyond those of producing electricity for houses or for motor cars. The advantages and disadvantages of solar power are many, small electrical contraptions can be powered by solar energy in lieu of a battery cell or any outlet plug-in. contraptions such as mobile phones, GPS units, and laptops can be solar energyed. The main disadvantage is that they only produce energy when they are in direct sunlight.

Here are some more advantages and disadvantages of solar power. You can adapt and customize your solar panels and battery bank to collect any amount of energy you wish up to the threshold. After the threshold, or when the battery bank is full, the solar energy is just being reflected from the solar panels. The battery should be compatible with the device you want to use it for. How many times have you been out fishing or camping and your mobile phone battery bank goes out? Most people carry mobile phone adapters for their motorcars so that they may recharge the battery bank in their auto. This is fine if the engine is on or the engine has been used to charge the battery bank in the automobile. But running the engine is a cause of pollutants and other toxic materials which you are releasing out into the environment just by charging up your mobile phone.

By having a mobile phone solar powered battery charger, you are able to take your mobile phone outside and leave the solar photovoltaic cells out in the direct sunlight. You can even do this inside on a windowsill that is directly influenced by the direct sunlight. You don’t have to worry about where to plug in your charger, you just have to worry about where the direct sunlight is and how long the solar photovoltaic cell needs to stay out to charge a battery bank. It is convenient and easy-to-use, in spite of the fact that it is a little expensive.

As industrial science advances and the demand for solar powered instruments increases, prices should go down and the industrial science should be accelerated. Right now only 1% of all homes in the America are powered by solar energy. If we think outside the box and go beyond the house there is an entire world of implements that can be powered by the sun. All it takes is a little imagination and a little inquiry and someday soon we will be out of the grips of fossil fuels and nonrenewable energy. There are plenty of advantages and disadvantages of solar power but the advantages are far out weighing the disadvantages and as industrial science moves forward, this gap will only get larger.

One of the most commonly asked questions in the field of energy and electricity management is how does solar energy work. We have to realize that the sun is one of the most plentiful forms of power that we could utilize, but only a small number of people are relying on it.

Since the sun touches the whole planet in cycles of 12 hours, energy could be easily derived to support many of our daily functions. It is such a waste of money since people have disregarded this as a regular, renewable source of power and electricity.

Here are some of the significant scientific processes involved in solar energy conversion and utilization:

- Solar energy contains a number of molecules including electrons and protons which are important in the life cycles found in plants, animals, weather and biological processes. In the case of utilizing solar power as an energy source, electrons are the ones that are used for electricity.

- Electrons can be gathered and manipulated through the use of materials which can be purchased at any utilities store. Basically, sunlight can be quickly transformed to electricity due to the fact that the molecule it contains is full of energy.

- Electrons move at a very fast rate, which is an advantage. It can be isolated easily due to its rapid movement.

- The solar plates coupled with a photovoltaic cell can isolate the electrons so they can be utilized as an energy source.

- The first stage is the absorption of the molecules through the solar plates. The solar plates have the ability to gather concentrated electrons and channel them to the semiconductor plates.

- Once the electrons have been assembled, their transport to the battery is the next stage. The electrons pass through a series of filters known as the converter and semiconductor wires and plates.

- This is to ensure that the electricity produced is composed of pure electrons. Having protons mixed in the process would only cause power interruption. The protons are absorbed and disposed through an alternate exhaust, which diverts the molecules away from the battery connection.

- The final process to make use of electricity is the storage in the batteries. Usually, a set of 10 batteries are used to allow a large amount of electricity to be stored. At this point, what are left are pure electrons, which are considered the source for electrical power that is used by electrical gadgets and appliances.

The process of transforming sun light into electrical energy is a very innovative process, which could save people a lot of money. Power plants and fossil fuels need a lot of resources to process and cause massive pollution. This is very damaging in the long-term consideration of the condition of the planet.

Experts are continually formulating new scientific strategies on how to utilize the sun as an energy source. Scientific institutions regarding energy manipulation have a lot of guidelines regarding the question how does solar energy work.

For more information, see Are Solar Power Homes In Your Future

Thinking of using solar power in your home? Discover how, in one weekend, you can reduce your electric bill and give you bragging rights in your neighborhood. Learn which do it yourself guides are easiest to follow and give you the most bang for your buck.
Click here now >>> DIY Residential Solar Power and Windmill Power Reviews

Solar power homes are the latest technological innovations in the field of engineering and science. People have long searched for fresh ways to live economically amidst the crisis occurring in the country. The budget allotted to pay for electricity is significantly crippling for families in the middle class, which is the majority of the general population. The answer to the frequent question of how to live cheaply, but appropriately is the creation of solar power homes.

Homes powered by the sun are made achievable through the technology of solar panels. Solar panels are made out of many components which are cheap, but effective. These include photovoltaic cells, semiconductor plates, converters, conductor wires and a battery.

Electrical companies around the country install solar power homes with the needed equipment to allow power diversion from the sun into electrical storage. The price for these services is reasonably low considering the fact that long-term reliance on renewable, solar energy will save households thousands of dollars a year.

Instructions on how to assemble and establish working conditions for these systems are found in many scientific electronic books, journals and websites. Here is an overview:

- Basically, the photovoltaic cell is the one responsible for utilizing the energy found in the sunlight. It dissects the molecular components of the sun’s rays into electrons, protons and neutrons.

- The subjects of interest are the electrons, which in a collective state, supply ample electrical power to make appliances such as televisions, radios, refrigerators, and ovens work.

- The electrons are separated from the other molecules and are sent through the conduction pathway of wires and converter plates. This further cleans out the rest of unwanted molecular particles, which is important to prevent electrical problems such as failure, disruption and surges.

- The final step in the utilization of sunlight as an energy source is the storage of the isolated electrons in the battery. The battery used is normally large in size to be able to accommodate large amounts of power which could supply homes days at a time.

- The recharge rate during the day is enough to provide the necessary power to supply the battery.

- The sun’s energy produces no significant emissions and nature-damaging products from the mechanisms which create electricity. This is a good measure of how valuable it is in producing electricity in an ecologically friendly manner.

The existence of solar power homes is a testament to the innovation of technology with respect to the consciousness on protecting our planet. Research has shown that almost half of the pollution rate comes from power plants, oil refineries and other electrical producing companies, which result to massive production of byproducts that disrupt normal biological cycles. The destruction of the ozone layer and global warming are some of the degrading effects of energy production to nature.

The future of solar power homes is considered brighter due to the constant research by scientists and ecologists in collaboration with engineers and mechanics. By taking advantage of the sun’s tremendous energy, we can save money and preserve the planet’s condition at the same time.

For more information, see How Does Solar Energy Work

Thinking of using solar power in your home? Discover how, in one weekend, you can reduce your electric bill and give you bragging rights in your neighborhood. Learn which do it yourself guides are easiest to follow and give you the most bang for your buck.
Click here now >>> DIY Residential Solar Power and Windmill Power Reviews

As the world advances, new technologies arise - or, in some cases, older technologies are exhumed and improved upon.

Although most people are under the impression that the field of photovoltaics is a new subject, based on recent invention, this is not actually the case. But first of all lets take a look at what “photovoltaic” means.

The word “photovoltaics” can be split up in to two parts: “photo” and “voltaic”. The term “photo” is derived from the Greek word “phos” which means “light.” A “volt” is a measurement unit for electrical force. So, literally, “photovoltaic” means “electricity through light.” And that is exactly what the word means: “capturing solar energy in the form of light and converting it into electricity.”

So how do we convert sunlight into solar energy and electricity?

In order to convert sunlight into electricity you need to use a material called a “semiconductor”.

In simple terms, a semiconductor is a material that acts as an insulator, but is also capable of conducting electricity under certain conditions. We employ the characteristics of semiconductors when we convert solar energy (in the form of sunlight) into electricity. It is done as follows:

When a semiconductor (such as silicon) is exposed to sunlight, it releases small amounts of electrical energy. This is due to the process of electrons (bits of electricity) leaving the surface of the semiconductor, in response to being hit by light. We call this the “photoelectric effect.”

Sunlight is made up of “photons”, which are particles of solar energy. Not all photons are the same and not all carry the same amount of energy. The simplest explanation I can think of for this is that light comes in many colors - some forms of light are visible to the eye, and some are invisible (such as infrared or ultraviolet light). But, regardless of color or visibility, the fact remains that light is still light and the basic particle of light is still a photon.

When a photon hits a photovoltaic cell (also called a “PV cell” for short) one of three things occurs:

1. The photon can be reflected by the photovoltaic cell

2. The photon can be absorbed by the photovoltaic cell

3. Or (believe it or not) the photon can even pass right the photovoltaic cell. Only the photons which are absorbed by the photovoltaic cell are converted into solar energy (in the form of electricity).

When a photon is absorbed by the semiconductor (the material in the photovoltaic cell which produces electricity) the solar energy of the photon is passed to an electron in one of the atoms of the semiconductor. With this additional energy the electron is able to break away from its atom. Thus an electrical current is established.

This is the simplicity of what occurs in a photoelectric cell, when sunlight is converted into electricity. The electricity so produced can now be power an electrical device.

As you can see, the field of photovoltaics consists of the technology and the principles we use to convert solar energy into a usable form.

- Photovoltaic Systems

Now that we know what a photovoltaic cell is and how it works, lets take this a step further and take a look at what a photovoltaic system is.

A photovoltaic system has consists of the following components:

- A “photovoltaic module”, or “pv module”. This is a group of photovoltaic cells connected together, commonly referred to as a solar panel, though the terms “PV module” and “solar charger” are used to describe it as well.

- One or more batteries to collect and store the solar energy, which was converted into electricity by the PV modules (or solar panels, solar chargers, or whatever you choose to call them).

- A “charge controller”. This an electrical device which prevents the batteries from being ruined through overcharging, and which also prevents electrical current from flowing back out of the battery into the PV module or solar panel.

- “An inverter.” An inverter an electrical device which changes the electricity produced by the PV modules into alternating current. Alternating current is the type of electricity you get from your wall sockets at home. An inverter is only used with PV systems when you want to produce alternating current as your end result. If you run your house on solar energy, the inverter is installed between the batteries and the fuse panel.

A good quality PV system will operate for more than twenty years. The PV module, having no moving parts, has an expected lifetime exceeding thirty years. Most system problems occur due to poor or sloppy installation.

So how much electricity does a photovoltaic system generate?

The average PV system will generate about 180 kilowatt-hours per square meter, in most areas of the United States.

A PV system rated at 1 kilowatt will produce 1800 kilowatt hours per year.

In case you are not clear on what a “kilowatt-hour” is, this is a way of measuring the amount of electricity produced or consumed.

Let me put it in monetary terms, which might be easier to understand. Many PV panels are guaranteed to last twenty years or more - most even claim to last thirty years. Even if we factor in the natural loss of efficiency in the PV modules over a period of twenty to thirty years, a PV system will generate close to 36,000 Kilowatt-hours in twenty years and 54,000 kilowatt hours over thirty years.

This is the equivalent of $10,000 worth of electricity at current energy prices.

Therefore, though initial installation of a PV system might seem a little costly, in the long run it is far cheaper to run on solar energy.

There are different types and sizes of solar panels (photovoltaic cells) which produce varying amounts of solar power.

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For more information on solar cells and solar power, please visit Solar Cells, DIY Solar Power, or Solar Energy News.

Ecologically and economically practical sources of energy are in the form of systems which utilize solar and wind power for residential purposes. The improvement of the use of solar and wind as a source of power for residential homes gives users countless advantages since it addresses many problems encountered by people today.

Solar and wind power could be derived through an easy yet practical way of utilizing the mechanical and heat energy emanating from the elements. Windmills have long existed and have improved through years of research and redesign.

Solar power is another good source of energy due to its great abundance. Scientists have long searched for practical institutions to cater to the needs of electrical consumers. Here is a review behind the solar and wind utilization process:

Solar Power:

- The latest technology used is that of solar panels. These panels work by absorbing heat from the sun and isolating the electrical components, which are the electrons. Electrons are the driving force to power electrical devices.

- The process of separating electrons from sunlight is a simple one. The parts of the panels include the photovoltaic cell and semiconductor plates that isolate electrons and store them in batteries. This process is quick, which assures reliability of solar energy.

- Tropical countries in the eastern part of the world are perfect sites for solar powered systems. In fact, people in the area have used solar plates for various purposes to power houses, cars, and cooking tools.

Wind Power:

- The blades from windmills are the key to turning mechanical energy into electricity. The blades are designed to react to wind in a rapid manner.

- Once the blades start to rotate, the mechanical force is converted into electrical impulses through the use of converters. The converters are connected to batteries, which store the energy created.

The use of solar and wind power for residential purposes allows homes from various countries to benefit from the natural, renewable resources abundant in the area. The next few decades will give people a bright future due to the steady advances in the use of these systems.

Research has shown that the continuous use fossil fuels to produce electricity have dramatically contributed to the imbalance in the weather and life cycle found in nature. This is a grave problem, which should be addressed by the government to avoid long-term destruction of our planet.

It is the responsibility of homeowners to resort to a better way of producing electricity. The best way is the use of solar and wind power for residential purposes. Millions of dollars have been saved in just a few years due to the use of the energy produced by the sun and wind by thousands of homes throughout the world.

Thinking of using solar power in your home? Discover how in one weekend, DIY solar power kits can reduce your electric bill, save you money, and give you bragging rights in your neighborhood. Click here now >>> DIY Residential Solar Power and Wind Power.