Solar power technology has been around for a long time now. We all have used some devices that use solar power in some way. Despite the fact that it has been around for a long time now, we still haven’t seen its use becoming more common. There are solar panels now that can be bought and installed at homes, but we haven’t seen them becoming a common thing. This fact leads one to wonder if solar panels and the technology behind them are really effective or if they still have a long way to go before they could become viable alternative sources of electricity in our homes.
What Are Solar Panels- Before we can effectively discuss the effectiveness and efficiency of solar panels, we have got to know what solar panels are in the first place. These are discs or plates from semiconductors, such as silicon for example. They have electrical circuits connected at the back. When light strikes the surface of the disc, the light is converted into electricity and this energy is picked up by the circuits and then transferred to where devices can pick it up for use or to batteries that can be charged. The use of batteries allows the storage of energy so that it would still be available even if there is no sunlight.
Effectiveness of Solar Panels- How effective are solar panels when it comes to converting light to electricity? The average solar panel that can be used in homes can convert 14-20% of the light energy that reaches it. That doesn’t sound much? Well just think of the fact that sunlight is sunlight is free and it doesn’t cost anything to produce it, unlike other sources of electricity where some form of fuel would have to be burned. Solar panels would just have to be placed in the right position and angle.
One good thing about solar panels is that they do not wear out very quickly when compared with other sources of electricity. The effectiveness of solar panels normally decreases less than 5% each year. That is very low when you compare it with other sources of electricity. The difference is mainly because solar panels do not have any moving parts that can get worn out. The decrease in effectiveness is mostly because of the effects of exposure to the elements.
The one thing holding back most people from using solar panels is their high cost. If they can be made more affordable in the future then we would see their use becoming more common.
Posted by admin on November 16, 2012
Most appliances can be used right after being taken out of the box. You can just plug it to a wall outlet and use it right away. They are designed that way. Your TV for example can be used in that way and some other small appliances. There are some devices however that are not so simple to use. There are some appliances that would have to be installed by an electrician before you can hope to use them.
Electrical Appliances Installation- Normally these are the large appliances that use up a great amount of electricity. One such example is the air conditioning unit. It eats up a lot of electricity because of the motors that run it. Because of fact that it draws a great amount of electricity to it, there might be a need for making some changes with the electrical wiring of the system first. This should only be done by a licensed electrician for a couple of reasons. Here are just some of the reasons:
- Safety should come first. Making changes with the electrical system of your home means some level of danger. There is always the chance that you could get electrocuted if you do it on your own.
- In some areas it is actually against the law for someone who is not licensed for it to make changes with the electrical system of a house.
- An electrician would know of all the right materials to use in making the electrical changes at home. You should know that electrical wires used in installation would have certain ratings. They can only handle current up to a certain level. An electrician would know the right rating of wires to use.
Because of these reasons you should always make sure that you hire a good electrician whenever you are going to use a new appliance that is larger than the ones that you have and has a higher rating as well. In fact it would be better if you consult with an electrician first and find out if your home electrical system can handle the new device, or if you would have to make some major changes. The electrician might be able to make some suggestion for your purchase that would require little or no changes in your home, which can be a big hassle. The changes can also cost a lot since there are many things that would have to be changed.
Posted by admin on October 19, 2012
Are you planning on buying a new set of appliances for your home? Then here are some tips that you should keep in mind to make sure that your choices would all be okay:
Learn from Others- You can’t base your decisions solely on what you read on product reviews and descriptions. The best move for you to know about certain appliances is to find out about other people’s experiences with them. You can visit your friends in their homes and then you can ask them about what they like and don’t like with their appliances.
Don’t Buy Impulsively- You walk past an appliances store and you see on display that washing machine that you have always wanted, so you whip out your credit card to get it. You can bet that you would be regretting your decision in a day or two. Remember appliances are not like clothes. Buying them can be a serious addition to your expenses so you have to consider their purchase carefully.
Know Your Needs- You should know your needs for home appliances before making any purchase. The most modern features would mean nothing to you if you don’t have any use for them. You should only buy devices that you can actually utilize.
Read First- Try reading the manual for the device first before purchasing. Did you get lost in reading it? Are the instructions clear enough? If you can’t figure everything out from the instructions then that means you should keep looking for other options.
Make Sure it Fits- Before you pay for an appliance, make sure that it could get to where you want to place it in your house. A lot of homeowners make the mistake of buying something that is too bulky for their home.
Don’t Go for Looks- Don’t buy an appliance just because it looks so pretty. Chances are it would not be able to do the things that you want. You should only consider the specs of the device and see if it is ideal for the use that you want it for.
How Noisy is it? – Some devices are just way too noisy for some people. Most appliances would have rating for the decibel levels of noise that they produce and you should check those first before you buy anything.
Which Side it Goes? – If you are planning on buying a new fridge, you should check on which side it opens. Make sure that it opens on the right side for you.
These are just some of the tips that you can follow, when you are purchasing some new home appliances.
Posted by admin on October 2, 2012
If you are looking to get the latest devices and appliances for your kitchen, then you ought to look into the possibility of adding a griddle to your acquisition. What’s in a griddle or what is a griddle in the first place?
Griddle? – A griddle is a cooking device that is made up mostly of a broad and flat surface. That surface is heated by different means. It can use some form of fuel such as gas or it can be heated by electricity. A griddle can be used both at home and at commercial establishments. Sometimes the term is used to refer for a device that can be placed on a heat source as needed.
In its form that we are most familiar with, the cooking surface of a griddle consists mainly of a large metal plate that is heated, but in other cultures other materials such as baked clay and stones can also be used as the cooking surface.
For residential griddles the most commonly used metals for the cooking surfaces are the following:
- Wrought iron- The problem with this material of course is that it is prone to rust.
- Steel- Sometimes this can be combined with other metals.
- Aluminium- Many users prefer aluminium because it is the best conductor of heat.
Griddle appliances are available in a wide variety of designs and styles. Despite the variety all modern griddles are actually made up of three major components, these are the cooking surface, the heat source and the temperature control. The type of temperature control would depend on the heat source. In this aspect a griddle that uses electricity as its heat source has an edge over one that uses gas. This is because an electrical device would have greater amount of control than one that is dependent on some fuel. Controlling a flame is more difficult and less precise than controlling the electrical current that flows into a device.
Common Uses- It is possible to use a griddle for dry cooking, which would be similar to broiling a piece of food. The most common use for it however, is in shallow frying certain types of food. Burgers, steaks and other pieces of meat are the most common types of food that are cooked on a griddle. This is the reason why this device is most often found in fast food restaurants where shallow fried food is served in great amounts. The grease and residual material generated by cooking is collect on troughs on the side. You can find awesome griddle appliances on Oneflare.
Posted by admin on July 24, 2012
Our lives would be unthinkable today without the aid of electric appliances backings us up. We have become so dependent on them that we would be at a total loss without their help. How did it come about that way?
The Early Beginnings- Humans have been aware of electricity since the ancient times, but there is no clear understanding of the way that it really works. There was also no idea on how it could be harnessed. It was Benjamin Franklin who was one of the first scientists to have investigated electricity with some success. He studied the nature of lightning and electricity with some of his famous experiments. He was also able to build an electric battery.
The findings of Franklin were the basis upon which some of the great scientists of the 19th century built their findings. One of the greatest inventors of all time Thomas Alva Edison created the first practical electric light bulb that can be used at homes for lighting. His next effort was in building power plants that could supply enough electricity to a whole city. The first city where he built such a plant was New York, but it did not take long before other cities in America and the rest of the world followed.
Once there was a stable supply of electricity that can be used by everyone, the inventors came up with ideas on how to use it for making life easier. The early part of the 20th century marked breakthroughs when it comes to inventions. That was the time when the air conditioner, the vacuum cleaner and washing machine were invented. During that time the new electrical inventions were mostly considered to be novelty items. As time went on however people realized that those devices could really be used in order to make life a lot easier.
The Next Wave- The telegraph has been an earlier invention, but with the development of wireless telegraph new avenues were opened up. The radio was soon developed and it was not only a major help to communication, but it was also a boost when it comes to entertainment. The development of the radio also led to the development of television a few years later.
Electric Appliances Today- Each year there are some new inventions being rolled out by companies, but most of the basic ones that were invented at the early years of the 20th century are still around, though they are much improved now.
Posted by admin on July 1, 2012