Delta SI 5000

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Potential isolation
Noconductiveconnectionbetweentwocomponentparts.
Power dissipation
Powerdissipationisdesignatedasthedifferencebetweenabsorbedpowerandpowerofadevice
orprocessyielded.Powerdissipationisreleasedmainlyasheat.
PV generator
Systemcomprisinganumberofsolarmodules.
Solar inverter
isanelectricaldevicewhichconvertsDCdirectvoltageintoACvoltageand/ordirectcurrentinto
alternatingcurrent.
RJ45
Abbreviationforstandardizedeight-poleelectricalconnectorconnection.RJstandsforRegistered
Jack(standardizedsocket).
RS485(EIA485)
Differentialvoltageinterfaceonwhichthegenuinesignalistransmittedononecoreandthene-
gated(ornegative)signalontheothercore.
Separate network system
Energysupplyequipmentwhichiscompletelyindependentofaninterconnectednetwork.
Solar cell
Solarcellsarelarge-surfacephotodiodeswhichconvertlightenergy(generallysunlight)intoelectri-
calenergy.Thiscomesaboutbyutilizationofthephotoelectriceffect(photovoltaics).
Solar module
PartofaPVgenerator;convertssolarenergyintoelectricalenergy.
String
Designatesagroupofelectricalsolarmodulesswitchedinseries.
String solar inverter (solar inverter concept)
ThePVgeneratorisdividedupintoindividualstringswhichfeedintothenetworkovertheirown
stringsolarinvertersineachcase.Inthisway,theinstallationisconsiderablyfacilitatedandthe
gaindecrease,whichcanarisefromtheinstallationorfromdifferentshadingconditionsofthesolar
modules,isconsiderablyreduced.
TAB (2000)
TheTAB2000arethetechnicalregulationsgoverningconnectiontothelow-voltagegridoperated
bydistributionsystemoperatorsinGermany.TheseTechnischenAnschlussbestimmungenorTAB
forshorthavebeeninforcesincetheyear2000.TheydenetherequirementsimposedbyDSOs
ontheelectricalsystemsoperatedbytheendcustomersofutilitycompanies.
VDE
VerbandderElektrotechnik,ElektronikundInformationstechnike.V.
(AssociationofElectricalEngineering,ElectronicsandInformationTechnology).
VDEW
UnionofGermanElectricalPowerStations.