Tag:power=generator

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Public-images-osm logo.svg power = generator
Eoliennes Gaspesie.jpg
Description
A device converting kind of power to another. Edit this description in the wiki page. Edit this description in the data item.
Group: Power
Used on these elements
may be used on nodesshould not be used on waysmay be used on areasshould not be used on relations
Useful combination
Incompatible with
Wikidata
Status: approvedPage for proposal

A generator (IEC 151-13-35) is a device which converts one form of energy to another, either as part of a power plant, or as as small distributed generator. This tag is most commonly used for devices which generate electricity.

The generator itself should be tagged, if visible (such as a wind turbine or solar panel). If the generator is contained within a building (such as with a nuclear reactor or hydroelectric turbine), the generator can be tagged as a node, or the smallest building containing the generator can be tagged.

Commonly Used Tags

Key Value
power generator
generator:source Power source of the generator
generator:method Method of power generation
generator:type Type of generator
generator:plant When the generator is part of a power plant, use output when it produces output power of the plant or intermediate when it only feeds other generators.
name Given name of the generator
operator Operator's name
generator:output Nominal maximum output power (rated power) of the generator
frequency The frequency generated by the generator. This should be used if the generator is known to operate at a different frequency from the national transmission grid, for example to supply traction power to a railway.

How to map

Geometry

Add a node at the centre of the power generator or preferably create an area around the boundary of the generator using aerial photography if available. Tag with power=generator and also a name=* and operator=* if known.

If the generator is part of a power plant, use power=plant to tag the whole facility.

Energy source

The energy source for the generator should be identified using the generator:source=* tag (power_source=* is obsolete).

See generator:source=* for a complete list of approved values

Method of generation

The tag generator:method=* is used to describe the technical process or method used to convert the energy source into the energy output.

See generator:method=* for a complete list of approved values.

Type of generator

A new attribute is added, generator:type=*. This attribute is intended to define the type of generator among a single source/method. As a concrete example of what a type is, think about of rendering a map of all nuclear reactors of the same type as those used in Fukushima.

See generator:type=* for a complete list of approved values.

Output power rating

The tag generator:output=* can be used to specify the forms of energy generated, and the rating if known. You can simply use yes as a value if the precise numerical rating is unknown.


Power generators can output multiple forms of energy. For example, a boiler will only output hot water, but a combined heat and power plant will typically output hot water and electricity. Add as many values as are relevant.

If the rating of the output is known, add a numerical value followed by the unit. Otherwise simply add 'yes'.

generator:output:electricity=* yes / x W / x kW / x MW / x GW
generator:output:heat=* yes / x W / x kW / x MW / x GW
generator:output:hot_water=* yes / x W / x kW / x MW / x GW
generator:output:hot_air=* yes / x W / x kW / x MW / x GW
generator:output:cold_water=* yes / x W / x kW / x MW / x GW
generator:output:cold_air=* yes / x W / x kW / x MW / x GW
generator:output:compressed_air=* yes / x W / x kW / x MW / x GW
generator:output:steam=* yes / x W / x kW / x MW / x GW
generator:output:vacuum=* yes / x W / x kW / x MW / x GW
generator:output:biogas=* yes / x W / x kW / x MW / x GW

History

This tag was historically used to map whole power plants, often as an area. In 2013 the Power refinement proposal introduced power=plant for such features..

Examples

To tag a 15 MW biomass gasification combined-heat-and-power generator use:

Key Value
power generator
generator:source biomass
generator:method gasification
generator:type gas_turbine
generator:plant output
name biomass generator usual name (see also ref=*)
operator operator's name
generator:output:electricity 5 MW or yes if unknown
generator:output:hot_water 10 MW or yes if unknown

Or to tag a solar thermal panel use:

Key Value
power generator
generator:source solar
generator:method thermal
generator:type solar_thermal_collector
generator:plant output
name thermal solar panel usual name (see also ref=*)
operator operator's name
generator:output:hot_water 200 kW or yes if unknown

Or to tag a wind turbine (a modern electricity-generating wind mill):

Key Value
power generator
generator:source wind
generator:type horizontal_axis
generator:plant output
height height=133 - center of rotor is 133 meters above ground
rotor diameter rotor:diameter=60 - rotor diameter is 60 meters
name modern wind mill usual name (see also ref=*)
operator operator's name
generator:output:electricity 3 MW or yes if unknown

Maps rendering Power Generators

See also