Archive for the 'Save Electricity' Category

How to Save Electricity – Change things at Home

Save ElectricitySaving electricity is not only a matter of money that you pay for your electricity bill there are rather issues related to the amount of resources that are used to create the electricity. The researches have projected that in the next 20 years even with diligent conservation of energy, the world will need one third more electricity than it currently is using.
A great aspect that can help you to save electricity is to look at the design of your home. If you live in an older home that was built long time back, it may be worthwhile to consult an electrical contractor to find out whether or not your electrical wiring is up to code and functioning at its optimum best. Although implementing these suggestions might cost you a bit right now, but in long term aspects it would definitely help you to save a fortune.
It is an astonishing fact that homes that have electrical systems that are not energy efficient, the amount of electricity wastage can add up to hundreds of kilowatts per year as well as thousands of pounds in the bills. Also surprisingly, as winter rolls around energy consumption also rises, which bad news for a house that is not energy efficient is resulting in even higher bills.
It has been noticed that many homes use a central heating system that runs on electricity. But instead of using this you can save a lot by simply using space heaters in the specific room. Most of the modern space heaters today are designed to conserve electricity and be easy to use for safe handling. Moreover, the evaporative coolers are very effective when installed correctly. The operating cost of an evaporative cooler is only a fraction of that of a refrigerated unit.
There are tiny things that make huge differences altogether and may prove very useful to save electricity. For instance remember not to leave heating or cooling appliances on when rooms are unoccupied. You may consider the option of using personal fans and ceiling fans for relief from hot weather, as these fans cost much less to run than the air conditioners.
While cooking, a microwave is very economical option for suitable functions. It is excellent for reconstituting food, so avoid using bigger electrical appliances to save the electricity. Try not to use grill-boiler plate on top of range for utensils that are not large enough to cover it. Instead of considering the option of boiling the water on a hotplate, you may rather use an electric kettle. Another thing you should ensure is that sure your door of the microwave or the oven seals properly.

Although these advices may sound quite silly, but still most of us tend do commit these tiny mistakes which result in huge wastage of precious electricity as well as many. As there are countless things that may help you to save electricity, so the best possible thing that you can do would be to try to change your habits, and change whatever you can to save electricity.

Making Efficient Photovoltaic Systems Using Solar Panels

How Solar WorksThere is never a better time than now to start making the changes that you would probably like to see in your world. A good idea would be to start off by using the abundant sunlight to offset energy consumption with photovoltaic systems!

Photovoltaic systems basically use the photo electric effect to generate electricity by utilizing the solar energy. Almost all the efficient and popular categories amongst these photovoltaic systems incorporate solar panels.

Solar panels transform the sunlight into usable forms of energy for on-grid or off-grid applications. Wired together in highly efficient modular array systems, solar panels allow custom, expandable design to meet a variety of energy demands, from powering a remote pump to lighting an urban home.

In photovoltaic systems such as the crystalline silicon solar cells, the orderly arrangement of atoms results in the efficient conversion of sunlight to electricity. A typical crystalline silicon solar panel consists of a transparent glass surface, ethyl vinyl acetate, encapsulated with a rear layer and an aluminum outer frame.

There are primarily two efficient methods of solar panel production namely thin-film deposition and the crystalline silicon-ingot growth method. Thin-film deposition is easier and less expensive than crystalline silicon-ingot growth techniques because it uses lesser amount of semiconductor material.

The three principal thin-film technologies are amorphous silicon, cadmium telluride and copper indium gallium di-selenide which is popularly known as CIGS. These processes produce highly efficient photovoltaic systems especially the solar panels that can be built directly into roofing shingles for aesthetic architectural considerations.

Effective string-ribbon manufacturing combines conventional crystalline silicon and emerging thin film technology. The high-temperature, molten process contributes to a double yield over conventional solar cell construction per pound of silicon making the material highly efficient.

In addition to solar panels, an efficient photovoltaic system requires a mounting structure to tilt panels toward the sun, an inverter to convert panel-generated direct current into appliance-friendly alternating current, battery storage to compensate for unfavorable weather conditions, and a charge controller to regulate battery operation.

As mentioned previously, solar panels are utilized in grid-tie systems that are interconnected to the utility network. Wired with an efficient synchronizing inverter, grid-tie systems feed surplus electricity back into the local utility. The utility acts as an infinite storage system, eliminating the need for batteries.

Off-grid systems are stand-alone systems designed for remote, backup and portable power applications.

These solar panels find extensive use in hybrid off-grid systems, although a gasoline, propane or diesel generator compensates for solar power production that is insufficient for energy demands. Adding these efficient solar panels as per your budget, reduces the generator run time.
Photovoltaic
Despite the significant initial cost of solar systems, the efficient renewable nature of photovoltaic technology, low system maintenance, numerous tax incentives and plenty of other such benefits make these solar panel systems an attractive option for investment to empower homes and businesses.

You may surely consider the usage of the highly efficient panels in your business requirements because apart from utilizing its attractive features and cutting down your expenses, you are also helping the world in minimizing the consumption of conventional electricity and contributing in living green!

Solar Energy

The heat and radiations from the sun act as an abundant source of energy that can be harnessed in many ways. There are a variety of technologies that have been developed to take advantage of solar energy. Some of these include concentrating solar power systems, passive solar heating and day lighting, photovoltaic systems, solar hot water, and solar process heat and space heating and cooling.

The solar energy can be utilized in both large-scale applications and in smaller systems for the home. The businesses and industry can diversify their energy sources, improve efficiency, and save money by choosing solar technologies for a variety of applications such as heating and cooling, industrial processes, electricity, and water heating.

Residential Solar Energy Solar technologies may also prove useful to the homeowners who can use the solar energy for heating and cooling and water heating, and may even be able to produce enough electricity to operate “off-grid” or to sell the extra electricity to the utilities, depending on local programs.

The use of practices like efficient passive solar heating and day lighting design strategies can help both homes and commercial buildings operate more efficiently and make them more pleasant and comfortable places in which to live and work.

There are many other applications beyond these localized uses of solar power, as utilities and power plants are also taking advantage of the sun’s abundant energy resource and offering the benefits to their customers. Power plants incorporate the use of concentrating solar power systems to produce electricity from the sun on a larger scale, which in turn allows consumers to take advantage of solar power without making the investment in personal solar technology systems.

As most the conventional power plants today use fossil fuels as a heat source to boil water. The steam from the boiling water rotates a large turbine, which activates a generator that produces electricity, but this method results in heavy wastage of these precious non renewable fossil fuels. However, a new generation of power plants, with concentrating solar power systems, uses the sun as a heat source. There are three main types of concentrating solar power systems which include the parabolic-trough, dish engine, and the power tower.

Another popular application is the solar water heating system which can be either active or passive, but the most of the common ones are active systems. Active systems rely on pumps to move the liquid between the collector and the storage tank, while passive systems rely on gravity and the tendency for water to naturally circulate as it is heated.

The simpler applications include the swimming pool systems. The pool’s filter pump is used to pump the water through a solar collector, which is usually made of black plastic or rubber and quite obviously of course, the pool stores the hot water.

Make Solar PowerAll the solar power technologies right from the individual home systems to large-scale concentrating solar power systems have the potential to help meet growing energy needs and provide diversity and reliability in energy supplies.

So the solar energy must be harnessed to greater extents to avoid crisis of shortage of the non renewable sources of energy across the world.

Wind turbine

What is a wind turbine?

A wind turbine is also referred to as a windmill or wind generator. Though the terms are used interchangeably, there is a minor difference. The wind turbine is the device that makes use of the wind energy to produce mechanical energy. This mechanical energy is then used as is or converted into electrical energy. A windmill uses the mechanical energy as is for pumping out water or for grinding purposes whereas the wind generator is the one that produces electrical energy.

What are the different types of wind turbines?

Wind turbines are classified into two kinds based on their orientation:

• Horizontal axis turbines – The blades in these wind turbines rotate along a horizontal axis.

• Vertical axis turbines – The blades in these turbines rotate along a vertical axis.

The horizontal axis wind turbines are more commonly used. They are more efficient that vertical axis turbines.

What are the advantages of installing a wind turbine?

Let’s look at the major advantages of a wind turbine:

• Power-saving: Since the wind turbines use a free energy, the wind energy, they prove to be a very cost-effective mechanism for generating electricity, thus helping not only save power but also generate power for the world.

• Cost-effective: The only cost involved in installing a wind turbine is the initial cost and the cost of maintenance. The energy comes free and there is no other fuel.

• Environment-friendly: The wind turbines are environment friendly in a way that they do emit harmful gases or affect the environment in any way.

• Uninterrupted power supply: A wind generator helps you become independent of government’s electricity supply. Moreover, you overcome the hurdles of power outages.

What are the factors you should consider for installing a wind turbine?
While installing a wind turbine is extremely beneficial for you and for the rest of the world, you must take care not to implement the solution in an incorrect way. You should take into consideration the following when installing a wind turbine.

Make sure the following two pre-requisites are met:

• The site for installation is at least of one acre area.

• The average wind speed is around 11 miles per hour.

• Make sure the tower and the base are sturdy. It is important to foresee the turbulence in the wind before you invest in the wind turbine.

• Make sure the tower’s height and the distance between the wind generator and the cells are optimum.

Install solar power

With the world faced with a severe energy crisis, it is wise to invest in an alternate power solution at home. It not only helps the government fight energy crisis in a better way, but also helps save power for the rest of the world. Installing an alternate energy solution at home is no less than a great humanitarian effort.

Among the alternate power solutions, the solar power system and the wind power system are the most popular being less cumbersome. Though wind power is a great idea, not all of us can implement it at our homes because of its pre-requisites. For implementing a wind power system, we need a large area and the average wind speed in the area should be 11 miles per hour. In comparison, the solar power system is easier to implement. All you need is abundant sun light.

The complete solar power system has different components. Most people implement a few of these components as per their needs. Let’s look at the various solar power components.

Solar cooker: The solar cooker is the most popular solar energy system implemented at homes. Let’s look at its advantages:

• Healthy cooking – The food cooked using a solar cooker is considered very healthy. You can cook for a family of five in a small cooking box at a time.

• Variety cooking – You can boil, roast, and bake using the same system!

• No fuel - The solar cooker does not use any other fuel other than the sun’s light, thus helping you save power.

• No emissions - The solar cooker neither emits any gases nor does it leave any residue. It makes for the most environment-friendly cooking system.

Solar generator: The solar generator is a device that runs all your electrical appliances using the solar energy. This device converts solar energy into electrical energy using photovoltaic cells. The solar generator is also referred to as the solar lighting system. The solar generator stores electrical energy in cells for later use. Installing a solar generator at home is a great power-saving and cost-saving idea. Imagine running the electrical appliances without worrying about paying any bills!

Solar thermal system: Implementing a solar thermal system or solar heating system at home takes care of your home’s temperature needs. You can maintain a steady temperature at your house without worrying about bills. Thanks to its popularity, the heating systems will not only suit your budget but also please your eyes. These systems are no longer an eye sore.

Windmill design

What constitutes a windmill?

A windmill is device that converts wind energy into mechanical energy which is later converted into electrical energy. A windmill typically consists of the following parts:

• The blades – A windmill can consist of any number of blades from four to 20. Some special wind mills have higher number of blades.

• The tower – The tower holds the rotating blades high up in the air so that the winds rotate them.

• The shaft – The shaft is responsible for joining the blades with the tower and for the smooth rotation of blades.

• The generator – The generator is what generates electricity from the mechanical energy. It also stores power for future use.

• The base: The base of the windmill keeps it grounded to the earth.

What factors affect windmill design?
There are many factors that affect the design of a windmill. Let’s understand the major ones:

• Wind speed: The wind speed can be accurately measured with the help of an anemometer. It is not possible to determine the right kind of wind mill without knowing the accurate wind speed.

• Wind direction: For designing a windmill, it is also important to know the direction from which the wind flows most of the time.

• Change in wind speed: Apart from the constant speed of mind, it is required that you know how the wind changes its speed.

• Change of wind direction: The direction of wind will not be constant, so it important to note the way it changes its direction.

• Obstructions on the site: It is best t install a windmill at a place without many obstructions. Look out for existing and potential structures that may affect the performance of your windmill.

• Wind turbulence: The movement of wind is not always predictable. However, it is a good idea to understand the patter of wind turbulence in your site.

• Distance of wind activity from the ground: The height of the tower is dependent on the height at which the wind is active.

What are the possible designs of windmills?
Aerodynamics determines the design of a windmill based on the factors mentioned in the section above. The designs of windmills vary in the following measures:
• Number of blades
• Shape of the blades
• Height of the tower
• Kind of generators
• Distance of the installation spot from the ground
• Distance between the tower and the generator

Making electricity

How is electricity produced conventionally?

Conventionally, electricity is produced by moving colossal turbines. These turbines are moved with the help of various types of energy. Let’s look at the most conventional ways of producing electrical energy:

• By using various fuels and water - Water is heated on a large-scale in furnaces. The vapor generated helps move the blades of turbines. Fuels like petroleum, coal, and natural gas are used to heat large quantities of water.

• By nuclear fission - Electricity is produced in nuclear reactors by making use of the heat generated in the chain reaction caused by nuclear fission. This heat boils water on a large scale converting it into vapor that turns the blades of the turbines.

• By bio-waste - Electricity is now also being produced by burning bio-fuels instead of fossil fuels. Bio-fuels are obtained from biological waste, mainly from plants. Bio-fuels are considered safer than fossil fuels.

• By hydro-power - Water is also a popular method of producing electricity. Rivers and large bodies of water are used to move huge turbines. Though this method of electricity production does not affect the air around us, it spoils the ecological balance inside the water bodies.

• By wind - Electricity is produced by wind generators. These wind generators convert wind energy into mechanical energy which is further converted into electrical energy.

Why is there a need for looking for alternate electricity sources?

Alternate power solutions are needed in the light of highly-depleting fuels and energy sources. Moreover, most of the convention ways of electricity production harms the environment in one way or the other.

The world is currently faced with tremendous power-crisis. We can no longer depend on fossil fuels for power. At the same time, we need to take measures to prevent the harmful effects that convention power production has on the environment.

How can we produce electricity?

In times of global power-crisis and severe environmental-damage, the question is: what can we do to help? We can do plenty if we want to. We need to start with consuming less power. Next, we can employ any of the following energy solution to make electricity:

• Wind power solution – Installing a wind turbine can help generate electricity for our homes and farms.

• Solar power solution – Using the solar power to cook light up and heat our homes is a wise idea.

• Bio-gas – Bio-gas can be used to produce electricity on small scales.

Solar Generator

The sun is the most abundant and the cheapest source of energy, yet we do not exploit its potential. In these times of depleting resources and increasing prices, the solar energy proves to be the most beneficial and the most economical power solution.

What are the uses of solar energy?

Solar energy has multiple uses, especially in the current times of energy crisis. Solar energy finds its use in the following areas:

• Cooking: The solar energy can be used in cooking with the help of a cooking utensil called the solar cooker. This cooker uses just one fuel – the sun’s light. A typical solar cooker can cook food for five people. A solar cooker does not limit itself to boiling food; it can bake and roast as well. You just need to have a little patience while cooking with a solar cooker.

• Generating electricity: With solar energy, you can run all your electrical appliances. The solar generators store electricity in cells that you can use at night.

• Heating systems: With solar energy heating systems, you can keep your house warm without worrying about electricity bills.

What is a solar generator?

A solar generator is a device that converts solar energy into electrical energy. The sun’s light energy is converted into electrical energy by solar cells also known photovoltaic cells. The return on investment of a solar generator is very fast, thus making electricity available at very low costs. The solar generator also does away with our dependence on the government for electricity. In the current times of fast-depleting fuel resources, it is only wise that we look towards implementing alternate energy solutions.

A solar generator also helps store power in cells for later use. Thus, you can illuminate your house even when the sky is cloudy. The solar generator definitely proves to be a silver lining.

What are the advantages of using a solar generator?
Pollution-free: Using a solar generator paves way to a greener environment. It does not pollute the environment in any way. Moreover, it does not make use of any of the scarce fuels.

Cost-effective: The solar generator makes use of a free energy, thus helping save money. In the long run, the electricity produced by the solar generator turns out to be available for free.

Power storage: The solar generator helps store power for the rainy days, literally. It thus ensures that you have uninterrupted power supply to your home around the clock, everyday.

Low-maintenance: The solar generator is very easy to maintain, helping you save time, effort, and money.

Make power at home with solar and wind energy to eliminate your power bill. Get the complete guide at Earth4Energy

Wind generator

What is a wind generator?

A wind generator is a machine that uses wind energy to produce electrical energy. It captures wind energy and converts it into mechanical energy that moves the blades of a motor to produce electrical energy. Wind generators help produce thousands of megawatts of electricity. They are also a very popular power solution for individual farms. They are ideal for large areas with good wind speed.

Setting up a home wind generator does not need professional help; individuals can easily set it up with the help of numerous guides available in the market. The components of a wind generator are also easily available in the market.

How does a wind generator differ from a windmill or wind turbine?

Wind generators have been in use for a long time in the form of windmills or wind turbines. Years ago, when electricity was not invented, wind turbines were used to pull boats and pump out water.

Even now, the terms, wind generator, windmill, and wind turbine are used to refer to the same device.

What are the advantages of using a wind generator?
The advantages of a wind generator are many. Let’s look at a few of them.

Environment-friendly: Wind generators prove to be environment-friendly in two ways:

• They do not emit harmful gases in the atmosphere nor do they leave any harmful residual component.

• They do not use any fuel to produce electricity, thereby helping the cause of the environment.

Power-saver: Wind generators are an alternative power solution. They do not use any non-renewable sources of energy, thus helping in times of energy crisis.

Economical: Though the initial cost of setting up a wind generator seems high, the cost of generating electricity in the long run becomes nil. So, you will be getting electricity absolutely free after a few years.

Independent option: Wind generators do away with the dependence on power plants and the government for electricity. With a wind generator in your land, you have your own power plant for life.

24/7 power: With wind generators, you can say bye to power outages forever. You will get continuous, uninterrupted power supply for your entire house and land.

Power storage: A wind generator also allows you to store power for use later. This feature makes it an amazingly lucrative power solution.

If you want to help the world and fight the current energy crisis, invest in a wind generator.

Make solar power

The sun’s energy or the solar energy is the most abundant form of energy available on earth. The sun is capable of giving us more than heat and light. The sun has been one of the biggest factors dictating every living being’s stay on the earth. If we go the right path, we can harness more from the solar energy, like generating power for daily use.

What are the advantages of solar power?

The solar energy solution is gaining popularity amongst the alternate energy solutions.

• Green energy solution: When you look at the solar energy solution, you will realize that it uses absolutely no fuel other than the sun’s light. Moreover, it does not release into the atmosphere anything harmful.

• Cheapest power solution: First, the energy comes free. Then, the installation cost is a one-time cost. Finally, the investment is recovered within a few years of installation, making the power generated by solar energy absolutely free.

• Convenience of storage: You cannot store conventional power but you can store solar power for future use. The sun’s energy comes to rescue even in the times of darkness! Storing it also ensures a 24×7 supply of power, thus saving you from any power outage.

• Low on maintenance: The solar energy systems are easy to maintain. They do not involve high costs or too much effort, thus letting you reap the benefits of the solution comfortably.

How can solar power be used?
Solar power can be used in our everyday lives by adopting the following solar power systems:

• Solar cooking system: Solar cooking is about cooking without lighting a fire or using electricity! Before you wonder, let me tell you that solar cooking is not about bland food. You can cook in more ways than one – boil, roast, or bake, cook the way you want! The only demand that solar cooking makes of you is being patient; it is a matter of more than a few minutes. However, it is not asking for too much given that you will get tasteful and healthy food without worrying about paying your gas or electricity bill.

• Solar lighting system: You can now light up the entire house, use every electrical appliance without thinking about cutting down bills. The solar lighting system lights up your house even in the nights, thanks to the power storage feature it has.

• Solar heating system: You can keep your house cozy and warm using the solar heating system without worrying about costs.