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Namespace Prefixes

PrefixIRI
n2http://qudt.org/vocab/quantitykind/
dctermshttp://purl.org/dc/terms/
n4http://qudt.org/vocab/unit/
n3http://qudt.org/schema/qudt/
rdfshttp://www.w3.org/2000/01/rdf-schema#
skoshttp://www.w3.org/2004/02/skos/core#
n6http://qudt.org/vocab/dimensionvector/
n9http://qudt.org/2.1/vocab/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdhhttp://www.w3.org/2001/XMLSchema#

Statements

Subject Item
n2:InstantaneousPower
rdf:type
n3:QuantityKind
rdfs:label
Instantaneous Power
rdfs:isDefinedBy
n9:quantitykind
skos:broader
n2:ElectricPower
dcterms:description
"Instantaneous Power}, for a two-terminal element or a two-terminal circuit with terminals A and B, is the product of the voltage \(u_{AB}\) between the terminals and the electric current i in the element or circuit: \(p = \)u_{AB} \cdot i\(, where \)u_{AB" is the line integral of the electric field strength from A to B, and where the electric current in the element or circuit is taken positive if its direction is from A to B and negative in the opposite case. For an n-terminal circuit, it is the sum of the instantaneous powers relative to the n - 1 pairs of terminals when one of the terminals is chosen as a common terminal for the pairs. For a polyphase element, it is the sum of the instantaneous powers in all phase elements of a polyphase element. For a polyphase line consisting of m line conductors and one neutral conductor, it is the sum of the m instantaneous powers expressed for each line conductor by the product of the polyphase line-to-neutral voltage and the corresponding line current.
n3:applicableUnit
n4:NanoW n4:THM_US-PER-HR n4:KiloW n4:BTU_IT-PER-HR n4:FT-LB_F-PER-MIN n4:MilliW n4:FT-LB_F-PER-SEC n4:FT-LB_F-PER-HR n4:PlanckPower n4:HP_Electric n4:MegaBTU_IT-PER-HR n4:HP_Metric n4:HP_Boiler n4:HP_Brake n4:J-PER-SEC n4:HP n4:PicoW n4:TeraW n4:PA-M3-PER-SEC n4:PA-L-PER-SEC n4:GigaW n4:MilliBAR-L-PER-SEC n4:MilliBAR-M3-PER-SEC n4:KiloCAL-PER-SEC n4:J-PER-HR n4:MegaW n4:MicroW n4:KiloCAL-PER-MIN n4:BAR-L-PER-SEC n4:BAR-M3-PER-SEC n4:ERG-PER-SEC n4:PSI-YD3-PER-SEC n4:KiloBTU_IT-PER-HR n4:PSI-M3-PER-SEC n4:MegaPA-M3-PER-SEC n4:PSI-IN3-PER-SEC n4:TON_FG n4:MegaPA-L-PER-SEC n4:BTU_IT-PER-SEC n4:W n4:MegaJ-PER-SEC
n3:hasDimensionVector
n6:A0E0L2I0M1H0T-3D0
n3:informativeReference
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=141-03-10 http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=141-02-14 http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=31891 http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=131-11-30 http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=131-11-31 http://en.wikipedia.org/wiki/Power
n3:latexDefinition
\(p = ui\), where \(u\) is instantaneous voltage and \(i\) is instantaneous electric current.
n3:symbol
p