(may be broke/outdated!)
or is it that the faster the rpm, the more the production. (of course this in itself is dependent on the above two criteria) what i need to know is whether a alternator produces same energy at 100 rpm and 300 rpm. also what are the factors that decide how much energy a alternator produces.
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6 Responses
rpms proportional to watts
coil winds, friction are factors
The total power is based on wind speed, swept area and efficiency. There is an rpm which will create the highest efficiency. Too fast or too slow will loose some power.
Wind generation doesn’t rely on speed. The wind generator generates a variable frequency ac supply, the frequency is determined by the wind speed, which is converted to dc, and then converted back to 50Hz ac to supply the national grid
Rpm doesn’t matter on the blades as the system is geared and large models have transmissions.
Rpm in the generator does matter there is a highest efficiency “rpm” this will vary.
As for same at 100rpm to 300 rpm. In most cases 300 will make more energy.But that 300 over 100 might so low on the efficiency scale that it wouldn’t help.
Well, you seem to be asking about two different things. Wind turbines usually turn generators to create power. These usually have a wind speed operating range that they function within. When the wind speed is too low, it won’t produce energy and when it gets too high, it also stops producing energy.
An alternator is usually found in a vehicle and is used to recharge your car’s battery and run the electrical devices in the car.
Now in the case of both these devices, yes they are somewhat speed dependant, that is their output increases with increased speed.
IDK