Small wind turbine

Diagram of a small wind turbine and repeller.
A 1 kW micro windmill installed in the suburbs of Lahore, Pakistan.
Small wind turbine power output
Ground mounted small wind turbines are typically supported by four guy-wire, and a gin pole used to raise and lower the tower. Full mounting sets called "tower kits" are available.
Wind turbines small enough to be held by a single steel pipe are often secured with scaffold base plate mounted to a concrete foundation. A hinged design allows easy lowering for maintenance.
A high level wiring diagram for an off-grid hybrid wind/PV system.
A three phase rectifier being used on a rooftop mounted urban wind turbine.
Resistors being used as a diversion load which protect the turbine in the event of strong winds.
A small-scale wind tower in rural Indiana, United States
Hybrid system, 2400W windturbines, 4000W solar modules, island Žirje, Croatia

Small wind turbines, also known as micro wind turbines, are used for microgeneration of electricity, as opposed to large commercial wind turbines, such as those found in wind farms.

- Small wind turbine
Diagram of a small wind turbine and repeller.

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Thorntonbank Wind Farm, using 5 MW turbines REpower 5M in the North Sea off the coast of Belgium.

Wind turbine

Device that converts the kinetic energy of wind into electrical energy.

Device that converts the kinetic energy of wind into electrical energy.

Thorntonbank Wind Farm, using 5 MW turbines REpower 5M in the North Sea off the coast of Belgium.
James Blyth's electricity-generating wind turbine, photographed in 1891
Nashtifan wind turbines in Sistan, Iran.
The first automatically operated wind turbine, built in Cleveland in 1887 by Charles F. Brush. It was 60 ft tall, weighed 4 tons (3.6 metric tonnes) and powered a 12 kW generator.
The three primary types: VAWT Savonius, HAWT towered; VAWT Darrieus as they appear in operation
Components of a horizontal axis wind turbine (gearbox, rotor shaft and brake assembly) being lifted into position
A turbine blade convoy passing through Edenfield, England
Offshore Horizontal Axis Wind Turbines (HAWTs) at Scroby Sands Wind Farm, England
Onshore Horizontal Axis Wind Turbines in Zhangjiakou, Hebei, China
The rotor of a gearless wind turbine being set. This particular turbine was prefabricated in Germany, before being shipped to the U.S. for assembly.
A vertical axis Twisted Savonius type turbine.
Components of a horizontal-axis wind turbine
Inside view of a wind turbine tower, showing the tendon cables
Nacelle of a wind turbine
Development in size and power of wind turbines, 1990–2016
Nordex wind turbine manufacturing plant in Jonesboro, Arkansas, United States
The Nordex N50 wind turbine and visitor centre of Lamma Winds in Hong Kong, China
A small Quietrevolution QR5 Gorlov type vertical axis wind turbine in Bristol, England. Measuring 3 m in diameter and 5 m high, it has a nameplate rating of 6.5 kW to the grid.
Workers inspect wind turbine blades
Fuhrländer Wind Turbine Laasow, in Brandenburg, Germany, among the world's tallest wind turbines
Éole, the largest vertical axis wind turbine, in Cap-Chat, Quebec, Canada

Smaller wind turbines are used for applications such as battery charging for auxiliary power for boats or caravans, and to power traffic warning signs.

IEC, API, ISO etc. standards used to certify US offshore wind turbines

IEC 61400

International standard published by the International Electrotechnical Commission regarding wind turbines.

International standard published by the International Electrotechnical Commission regarding wind turbines.

IEC, API, ISO etc. standards used to certify US offshore wind turbines

Small wind turbines are defined as being of up to 200 m2 swept area and a somewhat simplified IEC 61400-2 standard addresses these.

Cement factories, part of the manufacturing industry, produce product for the construction industry (also known as the building industry). This factory is in Malmö, Sweden.

American Wind Energy Association

Washington, D.C.-based national trade association formed in 1974, representing wind power project developers, equipment suppliers, service providers, parts manufacturers, utilities, researchers, and others involved in the wind industry.

Washington, D.C.-based national trade association formed in 1974, representing wind power project developers, equipment suppliers, service providers, parts manufacturers, utilities, researchers, and others involved in the wind industry.

Cement factories, part of the manufacturing industry, produce product for the construction industry (also known as the building industry). This factory is in Malmö, Sweden.

In December 2009, AWEA coordinated with the Telecommunications Industry Association's Engineering Committee, to research and formulate recommendations to address the technical aspects of the design and maintenance of structures supporting small wind turbines based upon the approaches outlined in the existing communications tower standard.

Elementary generator is an example of single-phase generators with two poles

Single-phase generator

Alternating current electrical generator that produces a single, continuously alternating voltage.

Alternating current electrical generator that produces a single, continuously alternating voltage.

Elementary generator is an example of single-phase generators with two poles
Armature of revolving armature single-phase generator with 4 windings and its output sine wave.
Single phase generator with four poles
Diagram of revolving field single-phase generator with two poles
Diagram of revolving field single-phase generator with four poles
In-conduit hydro turbine with single-phase generator at St. Louis Municipal Electric Power Plant in 1902
Pelton wheel on the left connected to single-phase generator on the right at Walchensee hydro station.
Single-phase generator driven by steam engine at St. Louis Municipal Electric Power Plant in 1902 (right)
Neckarwestheim Nuclear Power Plant

Another application is in small wind technology.

Schematic representation of the main wind turbine components. The yaw system is located between the wind turbine nacelle and tower.

Yaw system

Component responsible for the orientation of the wind turbine rotor towards the wind.

Component responsible for the orientation of the wind turbine rotor towards the wind.

Schematic representation of the main wind turbine components. The yaw system is located between the wind turbine nacelle and tower.
a) Upwind wind turbine equipped with an active yaw system, b) Upwind wind turbine equipped with a passive yaw system, c) Downwind wind turbine equipped with a passive yaw system.
The main components of a typical yaw system found on most modern medium or large wind turbines.
Schematic representation of a wind turbine pneumatic yaw brake system.

The tail fin (or wind vane) is commonly used for small wind turbines since it offers a low cost and reliable solution.

The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site

Wind power in Indiana

Limited to a few small water-pumping windmills on farms until 2008 with construction of Indiana's first utility-scale wind power facility, Goodland with a nameplate capacity of 130 MW.

Limited to a few small water-pumping windmills on farms until 2008 with construction of Indiana's first utility-scale wind power facility, Goodland with a nameplate capacity of 130 MW.

The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site

Utility incentives target customers that have their own small wind energy systems (no greater than 1 MW).

Outwood Academy Bydales

Mixed secondary school with academy status in Marske-by-the-Sea, North Yorkshire, England.

Mixed secondary school with academy status in Marske-by-the-Sea, North Yorkshire, England.

Outwood Academy Bydales has a small wind turbine, solar panels and a hydrogen fuel cell.

Saco, Maine

City in York County, Maine, United States.

City in York County, Maine, United States.

Saco Mayor and City Council
Saco Transportation Center
The Saco and Biddeford mills today
Amos Chase house on Ferry Road; built {{circa|1743}}
York Manufacturing Co. in 1916
Civil War memorial in Eastman Park
Saco City Hall
Masonic Hall

In early 2007 a small wind turbine was erected near the water treatment plant at the foot of Front street.

Norman, Oklahoma

Third-largest city in the U.S. state of Oklahoma, 20 mi south of downtown Oklahoma City.

Third-largest city in the U.S. state of Oklahoma, 20 mi south of downtown Oklahoma City.

Main Street in Norman, circa 1900
Welcome marker on Main Street
Lightning strikes Norman during a nighttime thunderstorm
National Weather Center at the University of Oklahoma
Main Street in downtown Norman
Fred Jones Jr. Museum of Art
OU takes the field at Oklahoma Memorial Stadium
Brandt Park, "The Duck Pond"
Bizzell Memorial Library, University of Oklahoma
Visitor's Center, University of Oklahoma
Amtrak train stopping in Norman
Norman Regional HealthPlex
A neighborhood in west Norman
Campus Corner near Boyd and Asp

Bergey Windpower is a supplier of small wind turbines.

Ram air turbine on a Republic F-105 Thunderchief fighter-bomber

Ram air turbine

Ram air turbine on a Republic F-105 Thunderchief fighter-bomber
Ram air turbine on a Dassault Falcon 7X business jet
Argus As 410 engine and propeller spinner
A Messerschmitt Me 163B Komet showing its nose-mount ram-air turbine

A ram air turbine (RAT) is a small wind turbine that is connected to a hydraulic pump, or electrical generator, installed in an aircraft and used as a power source.