About: Instantaneous Power

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An Entity of Type : http://qudt.org/schema/qudt/QuantityKind, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

Attributes	Values
type	Quantity Kind
label	Instantaneous Power (en)
isDefinedBy	QUDT Quantity Kind Vocabulary Version 2.1.29
has broader	electric power
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. (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/sc...dt/applicableUnit	Bar Litre Per Second Bar Cubic Metre Per Second BTU per Hour BTU per Second Erg per Second Foot Pound Force per Hour Foot Pound Force per Minute Foot Pound Force per Second Gigawatt Horsepower Boiler Horsepower Horsepower (brake) Horsepower (electric) Horsepower (metric) Joule Per Hour Joule Per Second Kilo British Thermal Unit (International Definition) per Hour Kilocalorie Per Minute Kilocalorie Per Second Kilowatt Mega British Thermal Unit (International Definition) per Hour Megajoule Per Second Megapascal Litre Per Second Megapascal Cubic Metre Per Second MegaW Microwatt Millibar Litre Per Second Millibar Cubic Metre Per Second MilliW Nanowatt Pascal Litre Per Second Pascal Cubic Metre Per Second Psi Cubic Inch Per Second PSI Cubic Metre Per Second Psi Cubic Yard Per Second Picowatt Planck Power Therm US per Hour Ton of Refrigeration Terawatt watt
http://qudt.org/sc...asDimensionVector	http://qudt.org/vocab/dimensionvector/A0E0L2I0M1H0T-3D0
http://qudt.org/sc...ormativeReference	http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=131-11-31 http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=141-03-10 http://en.wikipedia.org/wiki/Power http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=131-11-30 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://qudt.org/sc...t/latexDefinition	\(p = ui\), where \(u\) is instantaneous voltage and \(i\) is instantaneous electric current. (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/schema/qudt/symbol	p
is seeAlso of	Active Energy Active Power Resistance

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