Questions tagged [windturbine]

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Need help with 5v output from wind turbine

Im trying to make wind turbine that is able to charge devices (phone, powerbank etc.) at 5 volts. Due to the constantly changing wind conditions the output voltage is unstable. At the moment I'm using ...
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1answer
47 views

Circuit for stabilizing the mini - 3 phase wind turbine output to 5 Volt using 7805 IC

I am trying to get some stable output from a Brushless power generator/motor/turbine which i purchased from Aliexpress Mini Micro Small 3 Phase Turbine To check if it works i tried to rotate it and ...
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4answers
65 views

Torque of motor vs operation as generator

While trying to work out which motor to use for a wind turbine project, I'm coming across torque numbers for DC motors. I'm mainly looking at a BLDC motor right now. Clearly, for a smallish turbine ...
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0answers
29 views

Fitting a BQ24650 based MPPT charge controller to a permanent magnet generator wind turbine

I am investigating MPPT charge controllers modules for wind turbines. I came to the conclusion that my MPPT controller design investigations are more fitted to wind turbine MPPT than solar. I need ...
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2answers
75 views

Unstable DC voltage ~ 300v to regulated 120V conversion

I need your advice for transforming DC voltage which is coming directly from many bridge rectifiers connected the pluses and minuses (from custom made multi phase wind alternator). At the bridges ...
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2answers
590 views

Homemade dynamo and alternator

I'm a curious person that knows only basic physics, and I want to craft a homemade power generator (eolic, magnetic or hydroelectric, the origin of the energy doesn't matter yet). I would like to ...
8
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3answers
15k views

Wind turbine generator: brushed or brushless DC motor?

I am trying to use a DC motor as a generator for a wind turbine but then there are two possibilities for the DC motor which are brushed and brushless. Which one is more efficient to use? I know that ...
6
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2answers
1k views

How does a wind farm prevent the fastest spinning turbine from driving the slowest one?

Just what the title says. On a wind farm spread across several score hectares, I assume, the wind-speed wouldn't be uniform. The faster spinning turbines would probably induce more electricity than ...
9
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3answers
1k views

Harvesting energy from a small amount of wind

I am currently investigating the feasibility of a project that would include the need of harvesting some energy from wind. The size constant of the generator and fans is about 2"x2"x2". The end goal ...