Solar Power Systems - What Other Components Are Needed?

Here is a list of components you will need and somemultistage charging and delivers more power to the
options available.battery bank by matching the bank voltage to the
Once you complete your solar panels you will need tovoltage of the solar panels. Because of different levels
connect them to an AC inverter, unless you want toof sunshine MPPT charge controllers are more
change your lighting fixtures and appliances to theefficient.
ones the run on direct current. There are differentBattery Banks
types of inverters for use with your solar generator. 12You will store the power that your energy generator
24/48 volt inverters are most common with solarproduces in batteries. Battery banks should have the
energy systems used in home applications.same voltage as your solar panels. Common types of
Power Invertersbatteries used to store solar energy are:
1. Square wave: Is not used much anymore because1. Flooded Batteries- Flooded batteries are the ones
they are very limited devices they can power.with removable service caps that you use to replace
2. Modified sine wave: Can run most of your householdthe water that is boiled off during the charging process.
appliances and lights, but some that have digital timersThese battery banks should not be used indoors or
may not work correctly.near any sparks or flames, because the water that
3. True Sine Wave also called Pure Sine Wave: Is asboils off is in the form of hydrogen gas
close to the power provided by your utility company. It2. Sealed Batteries- These type batteries do not have
is the best type of power inverter to use. It does costthe removable service caps, so no water is added.
more, but it is more efficient than the other types ofThe hydrogen gas that is produced by flooded
inverters. You will recover the extra expense quicklybatteries is not an issue with sealed batteries, so they
and not be bothered by the noise or uneven currentare considered safer for indoor use. Because of their
the other types produce.indoor location the temperature will be more constant,
Charge Controllersthereby making them more efficient.
Charge controllers prevent your batteries beingI recommend a True Sine Wave inverter that matches
overcharged and will not allow any reverse currentwhatever battery bank voltage you will be using along
flowing back from your battery bank to the solarwith a MPPT charge controller. These are the best
panels when panels are not producing current, like nightoptions and do cost more but, you will recover your
time hours or long periods of very overcast days.expenses faster and have far fewer headaches if
you start with the right game plan. Which ever
1. PWM charge controllers: Pulse Width Modulation is acomponents you decide to use for your solar energy
three stage charging type controllersystem, you can use the battery bank that best suits
2. MPPT charge controller: Maximum Power Pointyour location and price range. Put them all together to
Tracking is the newer type controller that providesform your own solar generator system!