Solar charge controllers are foremost part of any solar installation - off grid or grid. In addition to ensure that right amount of current supplied to the battery, charge controllers also prevent flow back power from the battery panels. During nighttime when voltage of the battery is higher than that of solar panels then current in the opposite direction can flow harm your precious solar panels, but solar controller take care for this. These unlimited facilities motivate people to buy cheap solar controller in Nairobi from here. When you design off-grid system, you get the size of your system; we would like to guide you through the calculations.
In general, to provide the system large enough to handle all your energy needs for several cloudy days, but still small enough to be charged by solar panels. Here are the steps to resize your system; there are converters, batteries and solar controllers necessary. To determine the inverter size we need to find the peak load or maximum wattage of your home. It is found by adding the wattage of the equipment and accessories that can simultaneously run. It includes everything from microwaves and lights to computers and watches. The amount will tell you that inverter size you need. Do not forget that some devices take more than their rated power at start-up. The inverter's growth rating should cover these alternate increases. For example, a room has two 60 watt bulbs and a 300 watt PC. Next find the energy use of the house for a day. To find out how long each electronic device will run in hours per day. Multiply the power of each device its running time for energy in watt-hours per day. Add up all the watt-hours values to get a total of your home. This estimate is likely to lose too low because there will be efficiency. To get an idea of the real value lost system, multiplied by 1.5. This will help to account for the reduction in performance when the temperature rises. For example: Bulbs run for 5 hours a day. Computer runs for 2 hours per day. But the above has more to do with the installation off-grid. Charge controllers are also required when there are no batteries involved. For example, all grid-tie inverters have built solar charge controller. MPPT solar charge controller in grid-tie inverters you limit extracted from solar panels to run your connected electrical appliances. For example, if solar panels make 5 amps than MPPT charge controller in a grid-tie inverter would give a boost to 7amps and use it to power connected electric charge. Then, you also need solar regulators; the size of the solar controller is the next step when the system is dimensioned. s you probably have not yet found these components once you have seized the battery bank and solar panel, determining which charge controller is relatively simple to use. Due to this easy use people buy cheap solar controller in Nairobi. All we have to do is find the current through the controller by using power. Take the energy produced by solar panels and divide by the battery voltage.
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