So you’ve decided to generate your own electricity, albeit, the clean way? Welcome to the world of wind turbines. Wind turbines not only allow you to power your home but also help you earn by selling electricity to a supplier. However, you might find it a little difficult as well as confusing to hit upon the right wind turbine since the current market is replete with a too many options for you. Here’s a roundup of a few tested methods to choose the right wind turbine for home.

Understand the nature of your site

This is the most important step that will help you decide whether or not your location is suitable for a wind turbine installation. The best places for setting up turbines are long stretches of open fields located at a higher altitude. There should ideally be no wires, trees or any kind of obstruction between the turbine and the wind.

Decide on your requirements

Determine the actual energy requirement for your home by taking into accounts various factors such as your monthly consumption, your saving habits, insulation of your home and so on. This will help you to understand the amount of electricity your have to generate.

Reduce your consumption

Fix the air leakage issue of your home, if any. This will go a long way to ensure that you won’t have to generate too much electricity. Minimizing your consumption will automatically allow you to install smaller wind energy system that would be cost-effective as well.

Monitor the average wind speed

The wind speed decides the amount the electricity generated. Greater wind speed means more electricity. Therefore, it’s important for you to monitor the wind speed at your location to avoid excess energy production. Many turbine manufacturers hand out a power curve diagram to their customers for this purpose.

Ask your dealer everything you wish to know

Don’t keep yourself from asking questions. And yes, as many as you want! Clarify each and every doubt with your dealer and see if he is explaining each detail to you with patience. This is a clear signal of whether or not you’ve chosen the right dealer. Consider asking questions like:

Is this particular model right for my site?

Is there any warranty provided? (a warranty of at least 2 years is a must)
Are the parts and spares readily available in case of a breakdown?

Do you provide installation service as well?

What are the precautions I must take while using them?

Also read reviews and testimonials before you zero in on a particular dealer. Word-of-mouth recommendations are great too.

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Wind turbines- how it all started?

Wind turbine originated at the end of the 19th century as a device to generate electricity. However, it is the 21st century that has taken wind turbines to heights of popularity. The reasons for this, of course, were evident- issues such as depletion of fossil fuels, global warming and the global concerns regarding energy security have led to the popularity of wind turbines with wind inverter. Today, they are one of the prime sources of renewable energy across the world.

In Europe alone, wind energy is responsible for 8% of the Eu’s electricity consumption which clearly indicates the growing popularity of wind turbines.

The mechanism behind wind turbines

If we put it simply, wind turbines work in an exact opposite way to how electric fans operate. While a fan uses electricity to give wind, a wind turbine uses wind to generate electricity.

The following is the step-by-step process of how a wind turbine works:

The blades of the turbine move with the help of wind.
These moving blades turn a shaft placed inside a box at the top of the turbine.
The shaft enters the gear box and increases the speed of rotation.
With the help of the generator, rotational energy gets converted into electrical energy.
The transformer helps in converting the electricity from nearly 700 Volts (V) to 33,000V (the estimated voltage appropriate for distribution).
The power thus generated is transmitted by a central grid.

Let us know a wind turbine better

The following are some of the parts of a wind turbine:

Tower

These are cylindrical columns made of steel ranging from a height of 25 to 75 metres.

Gear Box

Responsible for increasing the rotational speed, the gear box is located at the top of the wind turbines. However, nowadays, the direct drive generators are on the rise.

Rotor blades

Wind turbines can have anything from one to three rotor blades which range from 30 and 80 metres in diameter. Longer blades cause better energy output. Pitch angle can be changed and power output can be modified by rotating the blades.

The Yaw System

The yaw mechanism directs the wind turbine rotor towards the wind.

Wind speed and direction monitor

Sensors help to monitor wind direction. Power is auto-controlled with the varying wind speed since very high wind speed may damage the machines.

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