Candy PVI 7500 Dokumentacja Pobierz pdf (Strona 7)

InstallationandOperationManual(REVH) PVI6500/PVI7500

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7

1Introduction

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ThePVI6500andPVI7500aresinglephase,grid‐tiedPVinvertersdesignedtobeinterconnectedtotheelectricutilitygrid.By

followingtheinstructionsinthismanual,thePVI6500‐PVI7500canbeinstalledandoperatedsafely.Thisinstallationguideis

tobeusedasreferencefor

commissioningandasaguidelineonhowtousetheinvertermosteffectively.

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Feeding power onto the grid involves conversion of the DC‐voltage from the PV‐array to grid compatible AC‐voltage by

“inverting”DCtoAC.Thisunitfeedspowerintoastandard240VACsplitphaseelectrical

systemortwophasesofa208VAC,3‐

phasecommercial,industrialorinstitutionalfacility’selectricalsystemthatisconnectedtotheelectricutilitygrid.Theinverter

canalsobeconnectedtoonephaseandneutralofa277VACelectricalservice.

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IfthePVsystemandinverterareproviding

thesameamountofelectricalpowerthatthefacilityisusing,nopoweristakenfrom

orfedontotheutilitygrid.IfthefacilityisusingmorepowerthanthePVsystemisproviding,thentheutilitygridprovidesthe

balanceofpower.Ifthefacilityisusinglesspower

thanthePVsystemisgenerating,theexcessisfedintotheutilitygrid.

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Be sure to look intolocal regulationsregarding netmeteringandinterconnectionin your local area.Note thatsome utilities

needtochangetheirrevenuekWhmetertoabi‐directionaltypeforpropernetmetering

measurementorincentives/billing.

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Fig.1.1Grid‐tiedinverterapplication

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Photovoltaic

Array

PVI6500‐7500

Inverter

ElectricUtility

Grid

1 2 3 4 5 6 7 8 9 10 11 12 ... 74 75

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Candy PVI 7500 Dokumentacja Strona 7