Help in calculating power numbers for green electricity project

jackorocko

Apr 4, 2010
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Apr 4, 2010
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I am curious in knowing how I would go about figuring some numbers for a project I am interested in doing. My project involves using a wind turbine to produce power to charge some batteries. Very basic green energy system.

What I want to know is how much power I will be producing and how much I can store of that produced power. the capacity of the batteries I would need to store the power and how much energy I could get back out of the batteries.

These are some of the questions I have pondered but have not found all the answers, hoping someone here can help me out.

1. The generator I am looking at is a 750 watt generator. I know that it will produce a fraction of that power at varying lower speeds to its max, but what does that translate into kWh or even Wh? I am assuming 750 Wh of power at max output.

2. If I was to use this generator to charge a battery bank, how much of this power could I actually store and what losses would I incur in this process? ex. if i generated .75 kWh of electricity, how much could I store and what would be the capacity battery needed to store that amount of power? I would enjoy seeing the formulas involved in calculating these values.

3. once stored, how much power could a potential battery bank provide back to me. In other words I would like to calculate how many hours of power I would have to run say 1000 watt heater.

if someone could explain to me the formulas involved in these calculations I would appreciate it. I hope someone understands exactly what I am looking for.
 
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