Solar Power – Anyone Can Understand


September 6th, 2009

Today there are classes to teach us anything and everything we ever wanted to know about solar energy. Many people just want to know the hard basic facts to kick them around in your had and see if they start to make sense. If that is you and you'd like to learn more, start slow, then continue reading.

Start by trying a solar project. You will need a battery, but car batteries are not designed for deep discharge. They have very thing plates that will keep their weight to a minimum. It's necessary for solar batteries to have the ability to provide longer periods of deep discharge with only a few hours to fully recharge during sunlight. A golf cart battery is your best choice of battery. They are slow to discharge, and have thick plates that only need small amounts of charging. Golf cart batteries have small amounts of amperage, but are very heavy even though they have a small amount of amperage. You will need to bank many together for a large need for electricity.

The next item you need are the solar panels. The size is not as important as the voltage. The voltage must be higher than that of the battery. Case being, if there is less power going into the battery, there will not be any power coming out of the battery, thus, your panel has to have more pressure to push into the battery. The wattage also must be higher. You can purchase one large panel or several small panels as long as the volts and watts equal what you need.

Figure out the amount of power you will need or intend to use, and that will determine how big your batteries will need to be. This takes more work but the basic rule of thumb is watts = volts x Amps. Adding up volts and amps of everything you would like to run on solar to get the grand total with the formula.

Your panels are determined by the number of amp hours that you will use in 24 hours during the time of full sun. Using 6 hours as an estimate of total sun hours, take 1/6 of an amp times your 14 volt panel and you come up with 2.33 watts, rounding to 3. You need a 14 volt, 3 watt panel to generate one amp of power for your pond pump.

The power will now be stored in your batteries, so the DC needs to be converted over to AC in order to power your electrical products. There are many different inverters which come with all different options to them. You only need a simple inverter unit that will need to support the load you want to draw through it. Remember the formula we did to get the estimated voltage, you will need to realize that some products will need seven times their power just to start up.

Your cables and connections are very important in also being able to support the load of the current so you do not want to cut corners in buying small wire that may burn out (and take other surrounding items with it).

There is also maintenance to take care of everything and check the process of your energy and battery function. If this makes sense to you, and your following it than your ready to learn more through a class.

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