| Solar Power Inverters, AC Voltage, Modified Sine Wave or True Sine Wave. There are many types of solar inverters. We in the home owners or the do it your self field, are mainly concerned with two types. The first is the Modified Sine Wave Inverter and the second is the True Sine Wave inverters. Both are capable of producing AC house current to operate your kitchen appliances or your computer and TV sets. |
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| Modified sine wave inverters do have a use. I have one in my truck which plugs into the lighter/hot point on the dash. I use it to charge my laptop or my cell phone. I have read stories saying the modified sine inverters will confuse the battery chargers and they will not stop charging. I have never had this problem because I keep a watch on it. If I’m charging it from my truck I am in a big need for my laptop anyway. True sine wave AKA Pure sine wave inverters do not have any of the above problems to worry with. If it works great in your home it will work great with Pure/True sine wave. The hair dryer is the biggest and meanest power user that I know of at 120 volts. These things will use as much as 1800 watts of power. That is a full 15 amps which just so happens to be the breaker size in some homes. On a 12 volt battery bank it would be about 150 amps (that is more then most batteries have in them). Did you know you can weld metal with 60 amps of power and less? This justifies 2000 watt inverters and larger. Microwaves use around 11 amps power or about 1300 watts. You do need a little extra power for lighting so she can see her pretty hair while she is blow drying it. So in this case an 1800 watt inverter would be too small for your needs. Stackable power inverters are normally found in the larger sizes as well. Most of the bells and whistles are found in the 2000 watt range or higher. A built in and programmable battery charger is a good option in inverters. If you are using a 24 volt battery bank you don’t have to spend the extra cash and buy a charger if it is already built into the inverters. Normal battery chargers you find in a department store or auto shop are not what you need to charge a deep cycle battery. Most will not even equalize the batteries. |
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True Sine wave and Modified Sine Wave |