![]() ![]() ![]() The next thing is to choose the right components to match your load requirement. So total Watt Hour per day = 365 x 1.3 = 474.5 Wh which can be round off to 475 Wh Calculate the total Watt Hour: Just like a CFL calculate the watt-hour for all the appliances and add them together.Ĭonsidering 30% energy lost in the system. Lets you want to run an 11W CFL for 5hour from the solar panel, then the watt-hour is equal toĤ. Calculate the Watt Hour which is equal to the product of power rating of your appliances and time ( hr) of the run. See the specification chart in your appliances for power rating.ģ. Decide what appliances (light, fan, tv, etc ) you want to run and how much time (hour).Ģ. If anyone knows basic maths then It is very simple to calculate.ġ. But during the calculation, I have taken a smaller solar system example for better understanding.īefore choosing the components you have to calculate what is your load, how much time it will run etc. Note: In the picture I have shown a big solar panel of 255W 24V, two batteries of 12V 100Ah each, 30A 12/24V PWM solar charge controller and a 1600 VA pure sine wave inverter. In the next few steps, I will explain in details how you can choose the above components according to your requirement. ![]() Instead of this, I have attached links of my other Instructables to make the charge controller and energy meter.įor an off-grid solar system, you need four basic componentsīesides the above components you need a few more things like Copper Wire, MC4 Connector, breaker, meter, and fuses, etc. Only you have to know some basic electrical and math for designing the entire system. I have tried my best to guide you step by step from buying different components to wiring everything by yourself. If you are decided to install a solar panel system to cover your home power needs. So I write this instructable to get all the components of your solar system separately and assemble it all by yourself.Ĭheckout my updated V2.0 Instructables on Off-Grid Solar System But still, installation of a complete off-grid solar system is costly. Day by day the price of the solar panel falls gradually. ![]()
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