Does a wind turbine generates AC or DC current?

Answer 1

The turbine doesn't generate anything. It just spins. Turbines can be spun by gasses, steam, water, wind, etc....

The GENERATOR connected to the turbine, determines what type of electricity is produced.

Answer 2

Ac Wind Turbine

Answer 3

The website typically don't tell if it is ac or dc. AC is likely as it is a more reliable machine. The several megawatt size are likely 3 phase of variable frequency. but someone may make a phase lock alternator that is grid feed direct. Some of the new inverters for grid feed will possibly accept either dc or variable frequency ac input or both at once from multiple sources. Turbines that produce a few hundred watts possibly have built in bridge rectifiers and possibly output terminals for both variable frequency ac and dc. I suppose both commutators and slip rings are are available in the same machine. Perhaps all of the above is standard practice for some manufacturers. Neil

Answer 4

The typical wind turbine spins an AC generator for transmission onto the electrical grid. This is why it has adjustable blade pitches etc - it must stay synchronous to the AC 3-phase grid (60Hz).

This is in respect to large industrial turbines, not sure about the little ones by the ponds on farms.

marc

Answer 5

Unless it is an older type generator with brushes and a commutator, most all rotary alternators/generators produce AC sine wave voltage - if DC is required, it is rectified either externally or internally with extra circuitry.
When DC is required, the alternators usually have three separate windings, producing three phase AC, which provides a much smoother DC when rectified.
When the alternators speed is regulated to 3600 RPMs and 120 volts, the common household 60 Hz AC voltage is produced.

Answer 6

both but without the rectifier it will generate an ac current but with a rectifier it will generate a dc current

(the ampage and voltage level of the turbine will depend on how fast it is spinning)

wind turbines are basically just wind pushed alternators and obvousivly alternators genorate ac currents so that expalins alot
so in ordor to straiten everything out (you can't do much with an ac current) you'll neeed a rectifier

Answer 7

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That would depend on how the generator is designed. A small house or caravan wind generator uses a generator that's similar to the one a motorbike has, with a stator wound to have lots of poles and permanent magnets that are spun closely around it as the rotor in a casing similar to a bike flywheel. Because it has lots of poles and because the magnets are permanent magnets it both generates at low speeds and doesn't need to have power fed to it to make it generate. (excitation). These generate AC which is then rectified into DC. As for large commercial generators, I'd guess that they probably generate AC but never having had a close look at one I can't say for sure.

Answer 8

Almost all of them actually generate 3-phase AC

The large ones then go through transformers and in some cases feed the national grid.

Smaller private ones usually get rectified (diodes used to convert AC to DC) and are used to charge batteries.

Answer 9

It generates direct current, which is DC.

Only a power plant can generate alternating current.

Answer 10

AC. It has to do with electromagnetism, and the manner in which the copper wire is wound inside the generator.