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Sensors / Detectors: Wind Speed Direction Monitors and Anemometer Circuits
Sensors / Detectors -- Main Page
Last Updated on: Thursday, April 07, 2016 01:01 PM


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17 Foot Wind Turbine. Part 3. Stator Fabrication -  Continuation The coils for the new 17 foot wind turbine are larger than those for the first 17 footer we made. We actually use exactly the same size and shape of coil that we did for the 20 foot diameter wind turbine. Again -- if you're thinking. . .  

17 Foot Wind Turbine. Part 4. Assembly and Blades -  Continuation This page is about the assembly of the alternator. Pictured above we have the back magnet rotor assembled to the wheel hub with all the studs on. The back rotor lays right on the back machined surface of the wheel hub. Again. . .  

Anemometer Circuit -  A totally Electronic circuit to measure Air Flow, Zero to 250 feet per Minute  Thats only 2. 84 MPH, But MAYBE it can be Modified for other Rates of Air Flow. . . .  [G.L. Chemelec, designer]
 
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Anemometer Fights Dust -  08/30/01  EDN Design Idea   As higher levels of power dissipation underscore the need for cooling, and fans are finding their way into small electronic enclosures. The dust that fans pull into these enclosures can, however, cause major problems for high-reliability. . .  [by Jim Christensen, Maxim Integrated Products, Sunnyvale, CA]

Homemade Easter Egg Anemometer -  In any wind generator installation, it's critical to be able to measure wind speed. That gives you a baseline against which to measure your machine's performance, and anemometers respond much more quickly to changes in windspeed than do wind generators. Commercial anemometers. . .  [from OtherPower.com's website]

How I Built a Wind Generator in My Backyard for $150. Part 1 -  I've been spending a great deal of time working on ways to generate my own electricity. It isn't a necessity for me yet, but someday being electrically self-sufficient could really come in handy. My interest started a. . .  Kevin Harris, Oklahoma Lately

How I Built a Wind Generator in My Backyard for $150. Part 2.

 -  Tools Required Surprisingly, building a simple wind generator only requires very basic hand tools, and if you are desperate you won't necessarily need all of them. I used Jigsaw (or a hacksaw and a lot of determination) Drill (2) Drill Bits. . .  

How I Built a Wind Generator in My Backyard for $150. Part 3

 -  The next obstacle is building a hub to attach the blades to. There are many types of ways that this can be done. I have used circular sawblades and scrap steel disks. I recommend the sawblade approach, as they are readily. . .  Hub Blade Assembly

How I home-built an electricity producing Wind turbine. Part 1 -  Several years ago I bought some remote property in Arizona. I am an astronomer and wanted a place to practice my hobby far away from the sky-wrecking light pollution found near cities of any real size. I found a great piece of property. . . .  Mike Davis

How I home-built an electricity producing Wind turbine. Part 2 -  I managed to score one of the good 30 volt Ametek motors off of Ebay. for only $26. They don't go that cheap these days. People are catching on to the fact that they make great wind generators. Other brands will work, so don't fret about the price. . .  

How I home-built an electricity producing Wind turbine. Part 3 -  Next I needed a mounting for the turbine. Keeping it simple, I opted to just strap the motor to a piece of 2 X 4 wood. The correct length of the wood was computed by the highly scientific method of picking the best looking piece of scrap 2 X 4 off. . .  

How I home-built an electricity producing Wind turbine. Part 4 -  I never got a chance to properly test the unit before heading to Arizona. One windy day though, I did take the head outside and hold it high up in the air above my head into the wind just to see if the blades would spin it as well as I had hoped. . . .  

How I home-built an electricity producing Wind turbine. Part 5 -  In operation, the wind turbine is connected to the controller. Lines then run from the controller to the battery. All loads are taken directly from the battery. If the battery voltage drops below 11. 9 volts, the controller switches the turbine. . .  

How I home-built an electricity producing Wind turbine. Part 6 -  The first order of business was setting up and bracing the tower. After arriving at my property and unloading my van, I drove to the nearest Home Depot (about 60 miles one way) and bought the 10 foot long piece of 1 1/4 inch conduit I needed for. . .  

How I home-built an electricity producing Wind turbine. Part 7 -  This photo shows the controller, battery and associated electronics all wired up. I have a 120V inverter connected to the battery and a multimeter to keep track of the battery voltage and wind turbine output voltage. Also my electric shaver and. . .  

How I home-built an electricity producing Wind turbine. Part 8 -  This web site has become very popular. Thank you all for your interest and encouragement. I am getting tons of email questions from people about all sorts wind power related (and not so related) issues. Many are the same few questions asked over. . .  

How I home-built an electricity producing Wind turbine. Part 9 -  UPDATE 05/17/07 Here is a photo of me setting up the wind turbine on my remote property during our May 2007 trip to Arizona. I had left most of the equipment on-site in Arizona. I only brought the turbine head and charge controller back home with. . .  

Low-Cost Anemometer Fights Dust -  08/30/01  EDN Design Idea   As higher levels of power dissipation underscore the need for cooling, and fans are finding their way into small electronic enclosures. The dust that fans pull into these enclosures can, however, cause major problems for high-reliability. . .  [by Jim Christensen, Maxim Integrated Products, Sunnyvale, CA]

Micro wind power with a Savonius rotor. Part 1. -  This wind turbine cost nothing virtually nothing to make and can produce enough power for small applications There are many situations where you might need a small amount of electricity, for instance running gate openers, safety. . .  Lance Turner

Micro wind power with a Savonius rotor. Part 2. -  Generating the power The generator I used was actually a large permanent magnet DC motor from an old vertical computer tape drive. These are very robust, well built motors about the size of a large car starter motor. They are simple. . .  Lance Turner

Self-Heated Transistor Digitizes AirFlow -  03/13/96  EDN Design Idea   A sensitive and reliable way to measure airflow is to exploit the predictable relationship between airspeed and the heat dissipated by a sensor exposed to the flow while being held at a constant temperature differential above. . .  [by Stephen Woodward, University of North Carolina, Chapel Hill, NC]

Transistor and FVCs Make Linear Anemometer -  09/26/96 EDN Design Idea   The basic operation of this front-end sensor is identical to that of the earlier circuit. Q1 is the self-heated airflow sensor; Q2 senses ambient temperature. Zero-adjust resistor R2 sets the zero-airflow quiescent bias currents . . .  [by W Stephen Woodward, University of North Carolina, Chapel Hill, NC]

Wind Direction and AirFlow Measurement -  The LTC2990 is used to monitor system temperatures, voltages and currents. Through the I2C serial interface, the device can be configured to measure many combinations of internal temperature, remote temperature, remote voltage, remote current and internal VCC. The internal 10ppm/C reference minimizes the number of supporting . . .  [Linear Technology App Note, Mar 16th 2011]

Wind gauge -  On this page, I will introduce the wind gauge using PIC. There are various methods of measuring the speed of a wind. With this equipment, a hemispherical window cup is rotated and the method of measuring wind velocity at that number of rotations is used. The measured number of rotations is sent to a personal computer with a USB interface, and wind velocity is displayed on a screen. . . .  [Seiichi Inoue's Web Site]

Wind speed logger -  . . .  [Written by Hans Summers]

Wind speed logger Mk2 -  . . .  [Written by Hans Summers]

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Sensors / Detectors: Wind Speed Direction Monitors and Anemometer Circuits
Sensors / Detectors -- Main Page


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