Embedded Systems in Egypt: DIY Wind Turbine

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Showing posts with label DIY Wind Turbine. Show all posts

Tuesday, September 19, 2017

Half Brainer Wind Turbine

Half Brainer Wind Turbine

If I managed to build it and it works so you can make it too. This is no joke. I've built this one with only half brain.

I came back from my exhausting night shift at work and wanted to spend some time in something useful and guess what I could come up with. Yes. A working wind turbine.

I really come from night shift feeling that I am only thinking and seeing the world with only half a brain. Let's get started.

Note:

This is how I look after coming home from a night shift.

Step 1: Collect Stuff

Components:

Here are the components for this project , you can see that nearly all of them are recycled materials :

Motor Amazon US , Amazon DE , Amazon FR, Amazon UK , Amazon CA , Amazon ES , Amazon IT , eBay , Banggood , FlipKart India , Lazada Malaysia , aliexpress

This was the only new component I bought for this project.

Old steel groom --- This is the main pole for the wind turbine

Tie rap Amazon US , Amazon DE , Amazon FR, Amazon UK , Amazon CA , Amazon ES , Amazon IT , eBay , Banggood , FlipKart India , Lazada Indonesia , Lazada Malaysia , aliexpress

Old CD-Rom player metal cover --- This is the directing rudder. For wind turbine automatic direction through all wind situations.

PET bottle ---- To cover and protect the motor against dust and water.

Some Wires

1 mm Copper wire

1.5 Pet Bottles

Tools :

Pliers Amazon US, Amazon UK , Amazon CA , Amazon DE , Amazon FR , Amazon ES , Amazon IT , Banggood , Aliexpress , eBay

Scissors Amazon US , Aliexpress , eBay

Gardening Scissors Amazon US , Amazon UK , Amazon CA , Amazon DE , Amazon FR , Amazon ES , Amazon IT , Banggood , Aliexpress , eBay

Step 2: First Trial

Actually I intended to build a vertical axis wind turbine using two PET bottles.

First, I cut the two bottles to make fins.

Then I welded the two bottles from their top using heat.

And made holes for generator and for Copper wires.

Then installed the generator and fixed it using Copper wires.

Failure. Just another none rotating vertical axis wind turbine.

The bottles didn't make enough torque to rotate the generator.

Step 3: Second Trial - Success

Using half brain, I've decided to cut the bottles bottoms hoping to make some rotation.

Using trial and error, I've discovered what works and what doesn't.

And then I cut the bottles to shape each one if them into something that looks similar to wind turbines blades to generate enough torque for rotation.

Success. It works and generates electricity.

Also another thing I discovered about this wind turbine is that it is completely safe to you and to your kids.

The blades are very elastic and delicate. Even if it hits something while rotating there is no problem at all.

Thanks for reading my post.

From my instructable

https://www.instructables.com/id/Half-Brainer-Wind-Turbine/

Thursday, February 11, 2016

TurbineOne - Basic Wind Turbine That Anyone Can Make

Have you ever wanted to have a wind turbine like this one ?

Did you really like it so much that you always wanted to make it yourself ?

This is my first working practical wind turbine. I really love green projects and renewable energy stuff. Last year I 've made a small modification on an old PC fan to convert it into a small wind turbine. It had enough output power to light an LED. It was a huge project for me at that time because I 've always wanted to much to get even little power form wind.

The huge number of people on instructables who successfully built different sizes and shapes of practically working wind turbines has motivated me to build my own next level wind turbine to have higher scale of power output.

That 's where TurbineOne came from.

TurbineOne is my first practical power generating wind turbine.

I named it TurbineOne because I intend to build many other turbines.

I 'll explain how I built it in the next steps.

I know, when it comes to technical appeal ,engineering calculations or technology practices TurbineOne is not very awesome.

Believe me, I'm not so handy when it comes to mechanics and using power tools.

Please make good comments and productive criticism.

Thank you for spending time reading my instructable.

Generator eBay or From Banggood

This is the most important piece of equipment for your wind turbine.

Actually, it was the first thing I started to look for when I decided to build my own wind turbine.

I thought to buy a DC motor from any hardware store who sells this kind of motor as a spare part for any appliance

( e.g dishwasher , blender ... etc ) .

Then I found an old blender motor that has a permanent magnet inside it.

The motor generates electricity when it is turned by hand.

I measured the output and found to be nearly 14 Volts on the Voltmeter.

If you don't have an old motor to use as a generator, you still can buy a new one from eBay , I got this one and it was useful.

Material :

This wind turbine is 100% recycled. I got all parts from scrap and used stuff.

It took me a long time to collect some of the materials used for building it, but you can just buy them or be lucky to find them easier than I did.

Motor . From Banggood

PVC pipe --------- I found an old PVC pipe of suitable length to be used as turbine blades.

5 CD roms ------- I used old CD Roms and DVD as wind turbine hub.

Fax paper plastic roll ----- > used as a coupler between CD roms and motor shaft.

Old Plastic bottle ------ > used as a cover for the generator

Some screws.

Some wires.

Old metallic rod used as a tower

Plastic tie raps

Tools

This project is made using fairly power tools. Please be careful when using these stuff.

- Saw

- Screw Driver

- Sand paper

- Pliers

Hub Assembly :

I started by the turbine hub.

Cut the plastic fax tube to 5 cm long .

I put the plastic tube around the motor rotating shaft .

Use the sand paper in cdrom center to make the plastic tube fit into it.

Put CDroms and DVDs around the plastic pipe and motor shaft.

Step 5: Blades Assembly :

I wanted to cut the turbine blades into the usual turbine blades shape.

I really liked the idea of using PVC pipe as a fan blade. I got this idea from the internet.

But when I got the old PVC pipe I stated by drawing the fan blade on a template to draw it on the PVC pipe.

Then I couldn't get the tools to cut pipe in the fine shape of the fan blade.

So I've chosen to make the easy way and cut the PVC pipe into straight three equal pieces.

But how are these pieces going to generate rotational motion from the wind.

I decided to install each blade on the hub so it becomes nearly perpendicular to the hub and the round shape of the pipe does the rest.

Step 6: Turbine Assembly :

I installed the hub around the motor and secured them together using the fax paper plastic tube. Then I cut the extra piece of plastic from the small plastic tube. I drilled the metallic tube to install screws to fix the two tubes together. I installed the turbine with its pole on the roof of my apartment. It really rotates when the wind is fairly blowing.

TO DO : I 'll make a battery charging circuit and connect a sealed Lead-Acid battery to make a steady supply power source.

I posted this project on the DIY website instructables.com

The post got featured on the website and in the weekly news letter.

I 've participated at the Leftovers Contest on the website and got a runner prize.

http://www.instructables.com/id/TurbineOne-Basic-Wind-Turbine-That-Anyone-Can-Make/

You can read this article in Arabic Language From Here :

يمكنك قراءة هذه المقالة باللغة العربية من هنا

http://arabic-embedded-egypt.blogspot.com.eg/2016/02/turbineone.html

إذا أعجبتك هذه المدونة يمكنك دعمنا بأحد هذه الطرق المجانية

لاستمرار نشر مثل هذه المقالات

اترك تعليقاً لنشر وجهة نظرك بخصوص هذه المقالة

قم بشراء كتابنا على موقع أمازون أو مشاركته مع أصدقاءك من

المهتمين بكتب الإلكترونيات

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Friday, July 12, 2013

PC Fan Wind Turbine - How to turn a PC Fan into a small Wind Turbine

This post is not about Embedded Systems. But it is about a DIY project of mine. Old cheap PC Fan to a small Wind Turbine.

I looked at the some old PC Fans I have and thought that they can be used as Small Wind Turbines.

PC Fan from Banggood

The PC Fan is Brush less DC ( BLDC ) Motor. It can be converted to a generator in 5 Minutes.

The concept is simple. You can skip this part and start directly with the conversion.

The BLDC motor used here has a stator winding and a Permanent Magnet Rotor. The motor is supplied by 12V DC. But the magnetic field rotation is generated by electronics ( Electronic Commutator ) . As the name implies , the electronics components convert DC into AC which makes the magnetic filed in the stator rotate.

The electronic commutation is achieved by a small IC.

To get the induced current from the motor used a generator , you must remove this IC .

This is what I 'll show you how.

All what you'll need is this tool

crocodile clip

First remove sticker on the back of the fan.

Then you 'll find a small piece of plastic lock that holds Fan shaft secured , Don't brake it. Remove it with a crocodile clip .

PC Fan from Banggood

You may like some vidoes from my YouTube Channel AeroArduino

You can see 4 poles of winding connected in series and have only 2 terminals. To get the induced current , connect supply wires to those terminals and let the fan rotate.

With a solder iron , gently remove solder under IC pins and then remove the IC.

Remove this IC.

PC Fan from Banggood

You can see that the winding is connected to the board at three points. One common and tow other terminals.

Remove the supply wires form there place to put them in the points where the tow winding wires are connected to the board.

Now , you have the stator ready to generate current. Now install the fan.

PC Fan from Banggood

Assemble the fan in its place and lock it with the piece of plastic I told you about.

Put back the sticker.

Connect LED terminals to the Supply wires. Don't worry about +ve and -ve terminals , the LED will light if you connect it any way , trust me.

Roll the Fan

This video can give you a step by step quick guide