A power solar inverter converts DC (Direct Current) electricity from your solar or wind charged battery into AC (Alternating Current). Whatever plugs into a wall outlet in your house runs on AC.
RV (Recreational Vehicle) power solar inverters are designed to be used mounted solar panels. Having an RV solar power system is like having a mini power plant that is onboard. It allows you the independence and flexibility to camp out where there is no standard power source; what’s commonly known as living off the grid.
The key to portable solar is investing in a correctly sized power solar inverter. As with everything else, when you purchase an RV power solar inverter you get whatever you buy.
A well made power solar inverter should be efficient at all input levels, robust enough to endure shifting surroundings and won’t overheat while providing the power to run your little appliances.
Various brand name solar inverters contain Go Power, Xantrex and Outback, Magnum. Picking and installing a correctly sized solar inverter is a task best left to your own local RV alternative energy store or professional.
You will have to supply some basic information to your local professional, in order to pick out an RV solar inverter perfectly suited to your own needs.
You must know what appliances will be powered with the system, how much electricity they
Use up (amp/hours) , and the phantom load.
Phantom load is the electricity consumed by an appliance when it’s turned off. These transformers are 60% to 80% inefficient and should be unplugged when not in use.
The electricity consumption of each appliance is stated somewhere on the appliance itself, and is expressed in terms of AC amps or AC watts. What the RV owner actually has to know is the equivalent in DC amps, since that’s what the battery bank is furnishing.
Where the power consumption of an appliance is expressed regarding AC watts, one can utilize an easy formula to compute the same power expressed in DC amps:
Example: A TV set with a 100 (AC) watt evaluation used for one hour would consume 9.17 DC amps.
Look for an solar inverter with three different charging rates: a bulk charge at 100 amps; then falling into a lesser speed as the voltage increases in the battery bank; and eventually using a float charge just sufficient to maintain the batteries in a fully charged state. The result is considerably faster recharging of the batteries, either from your motor home or tow vehicle alternator or from shore power.
A high quality solar panel can deliver about 3 amps of power during day hours. A conservative estimate for bright weather might be 6 hours of full solar power daily and more during summertime. So one panel would place 3 panels 52 amps; and roughly 18 amps back in the batteries; 2 panels 36 amps.
Control mechanism and the distant monitor mounted inside the coach performs a wide range of functions pertaining to the solar inverter and charger functions. Additionally, it has the fundamental “on/off” switch for the solar inverter.
The solar inverter mode will let you know the present level of amps being used up and the present voltage under that load if operating in it.
The charger mode shows the present amount in, alongside the voltage where it has been charged as well as various warning functions pertaining to overheating and overloads, if in it.
Clearly it is not a “one size fits all” selection. Particularly significant is the need when determining whether or not an solar inverter will be a valuable resource to consider your RV lifestyle.
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