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11 Glossary

Abbreviationfor„AlternatingCurrent“.

WiththeCEidenticationcode,themanufacturerconrmstheconformityoftheproductwiththe

validECGuidelineandcompliancewiththesignicantrequirementsstipulatedtherein.

Abbreviationfor„DirectCurrent“.

EMC

TheElectro-MagneticCompatibility(EMC)concernsthetechnicalandlegalbasicsofthemutual

inuencingofelectricaldevicesthroughelectromagneticeldscausedbytheminelectricalengi-

neering.

Anti-islanding protection

Thisisaunitfornetworkmonitoringwithassignedswitchingelements(anti-islandingprotection)

andisanautomaticisolationpointforsmallpowergenerationsystems(to30kWp).

Initialization

Underinitialization(cf.Englishtoinitialize)isunderstoodthepartoftheloadingprocessofapro-

gram,inwhichthestoragespacerequiredfortheexecution(e.g.variable,code,buffers...)forthe

programisreservedandislledwithinitialvalues.

LOCALUTILITYCOMPANY

Bylocalutilitycompanyismeantacompanywhichgenerateselectricalenergyanddistributesit

overthepublicmains.

MPP

TheMaximumPowerPointisthepointofthecurrent-voltagediagramofasolarcellatwhichthe

largestpowercanbetappedoff,i.e.thepointatwhichtheproductofcurrentandvoltagehasits

maximumvalue.

Nominal power

Nominalpoweristhemaximumpermissiblecontinuouspoweroutputindicatedbythemanufacturer

foradeviceorasystem.Usuallythedeviceisalsooptimizedsothattheefciencyisatitsmaximum

incaseofoperationwithnominalpower.

Nominal current

Nominalcurrentistheabsorbedcurrentincaseofelectricaldevicesifthedeviceissuppliedwith

thenominalvoltageandyieldsitsnominalpower.

Inelectricsystemsandcablesaprotectiveearthconductorisfrequentlyemployed.Thisisalsocalled

groundingwire,protectivegroundingdevice,soil,groundingorPE(English„protectiveearth“).

Photovoltaics(abbr.:PV)

Theconversionofsolarenergyintoelectricalenergy.

Thenameiscomposedofthecomponentparts:Photos-theGreekwordforlight-andVolta-after

AlessandroVolta,apioneerinelectricalresearch.

Delta SI 5000 Operation And Installation Manual

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