Wind turbine generator

1. How big of a wind turbine Do you need to power a house?
2. Which generator is used in wind turbine?
3. How does a wind turbine generator work?
4. Do wind turbines use AC or DC generators?
5. How much power can a homemade wind turbine generate?
6. Can a small wind turbine power a house?
7. Are there different types of wind generators?
8. How does a turbine power a generator?
9. How do wind turbines turn when there is no wind?
10. What is difference between wind turbine and windmill?
11. What is the difference between turbine and alternator?
12. Why do wind turbines blink red?
13. Do wind turbines need inverters?
14. What RPM do wind turbines spin at?
15. How many houses can one wind turbine power?
16. How many homes can 1.5 megawatts power?
17. What is the cheapest way of generating electricity?

How big of a wind turbine Do you need to power a house?

A 1.5kW wind turbine situated in an area with an average wind speed of 14mph would be sufficient to meet the needs of a home requiring 300kWh per month, for example.

Which generator is used in wind turbine?

The type of generator most used in wind turbines are the permanent magnet synchronous generators.

How does a wind turbine generator work?

Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a generator to create electricity. Click NEXT to learn more.

Do wind turbines use AC or DC generators?

Wind turbines work on a very simple principle: the wind turns the blades, which causes the axis to rotate, which is attached to a generator, which produces DC electricity, which is then converted to AC via an inverter that can then be passed on to power your home.

How much power can a homemade wind turbine generate?

A small wind generator that you might put in a backyard might have a capacity of about one kilowatt. An average annual wind speed of nine mph would produce more than 200 kilowatt hours of electricity per year, and average wind speeds of 14 mph could produce more than 600 kilowatt hours per year.

Can a small wind turbine power a house?

Small wind turbines used in residential applications typically range in size from 400 watts to 20 kilowatts, depending on the amount of electricity you want to generate. A typical home uses approximately 10,649 kilowatt-hours of electricity per year (about 877 kilowatt-hours per month).

Are there different types of wind generators?

Traditionally, there are three main types of wind turbine generators (WTGs) which can be considered for the various wind turbine systems, these being direct current (DC), alternating current (AC) synchronous and AC asynchronous generators. In principle, each can be run at fixed or variable speed.

How does a turbine power a generator?

In a turbine generator, a moving fluid—water, steam, combustion gases, or air—pushes a series of blades mounted on a rotor shaft. The force of the fluid on the blades spins/rotates the rotor shaft of a generator. The generator, in turn, converts the mechanical (kinetic) energy of the rotor to electrical energy.

How do wind turbines turn when there is no wind?

If there is too little wind and the blades are moving too slowly, the wind turbine no longer produces electricity. The turbine starts to create power at what is known as the cut-in speed. Power output continues to grow as the wind speed increases, but at a slower rate than it does right after the cut-in point.

What is difference between wind turbine and windmill?

The difference between Windmill and Wind Turbine is that Windmill is a device that converts wind power into rational energy comes from the wind, where Wind Turbine is a device that converts kinetic energy into electrical energy. ... Windmill consists of vanes which are known as sails or blades.

What is the difference between turbine and alternator?

Turbines can be used to power generators, but they are also used in many other applications to produce rotating power, mainly for transportation. ... Cars have small generators called alternators to produce electricity for charging the car battery and, emergency generators are used when the main power fails.

Why do wind turbines blink red?

The lights sit atop wind turbines and blink every few seconds to alert pilots flying in the dark. ... The radar-based technology is known as an “aircraft detection lighting system.” It sits atop a tower within a wind farm and communicates to the surrounding turbines when the lights should start blinking.

Do wind turbines need inverters?

For most small-scale do-it-yourself power generation (like what folks are doing with WindyNation's products), the power coming out of your wind turbine or solar array is DC power. ... In order to use this power with normal household appliances and lights, you need an inverter to invert the current to produce AC power.

What RPM do wind turbines spin at?

Wind power is generated by the force wind exerts on the blades of a turbine, causing the turbine's shaft to rotate at a speed of 10 to 20 revolutions per minute (rpm). The rotor shaft is connected to a generator that converts mechanical energy into electrical energy.

How many houses can one wind turbine power?

At a 33% capacity factor, that average turbine would generate over 402,000 kWh per month - enough for over 460 average U.S. homes. To put it another way, the average wind turbine generates enough energy in 94 minutes to power an average U.S. home for one month.

How many homes can 1.5 megawatts power?

An average 1.5-MW turbine (26.9% capacity factor) would produce the same amount of electric energy as that used by almost 332 households over a year.

What is the cheapest way of generating electricity?

The consensus of recent major global studies of generation costs is that wind and solar power are the lowest-cost sources of electricity available today.