TECHNICAL SPECIFICATION

Power Station PS500-1000 - Technical specification
Power station for photovoltaic applications
KEEP FOR FUTURE REFERENCE
For the entire life of the appliance
TECHNICAL SPECIFICATION
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
Page 1 of 25 + FR
Power Station PS500-1000 - Technical specification
CONTENTS
1
BASIC CHARACTERISTICS ............................................................. 3
2
Operating principle ....................................................................... 5
2.1
Standard version ..................................................................... 5
2.2 Version with motor driven MV switch, rotary disconnecting switch
and optional protection interface (CEI016) .......................................... 6
3
PS1000 MECHANICAL DRAWINGS................................................. 7
4
COMPONENTS ............................................................................... 8
4.1
MV board: sections arrangement ............................................... 8
4.1.1
Standard version (with disconnecting switch featuring fuses) ............ 9
4.1.2
Version with motor driven switch and rotary disconnecting switch ..... 11
4.2
Medium voltage connections ................................................... 14
4.3
Medium voltage transformer ................................................... 14
4.4
Inverter Soleil 500 ................................................................. 16
4.5
Switching board and auxiliary circuits protection ........................ 18
4.6
LV UTF meters (optional) ........................................................ 18
4.7
Air conditioning system (optional) ............................................ 18
4.8
UPS ..................................................................................... 20
5
TGS2 COMMUNICATION PLATFORM ............................................ 21
6
TECHNICAL SPECIFICATIONS ..................................................... 24
7
APPLIED REGULATIONS .............................................................. 25
7.1
MV board.............................................................................. 25
7.2
Switches: ............................................................................. 25
7.3
MV transformer ..................................................................... 25
7.4
Inverter ............................................................................... 25
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
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Power Station PS500-1000 - Technical specification
1 BASIC CHARACTERISTICS
PS500 and PS1000 are power generation units for photovoltaic systems with direct MV
connection,idealforlargeinstallationsandsolarenergyplants.
Theunithasapaintedandinsulatedcarbonsteelstructureofthefollowingsize:
PS1000:
L=7108,W=2438,H=2660mm,weight10.000kg.
PS500:
L=7108,W=2438,H=2660mm,weight8500kg.
Internally,itisdividedintothreemainsections:
x MVlineinputcompartment,formclientbox
x Transformercompartment
x Technicalcompartment
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
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Power Station PS500-1000 - Technical specification
MVlineinputcompartment,formclientbox
Itincludes:
x MVlineinputboardwithisolationvoltage24kV;
x 400A16kAdisconnectingswitchwith63A24kVfuses;
x instrumentboardwithauxiliarycircuits;
x Temperaturecontrolunitforthetransformerandtherespectiveauxiliarydevices.
Alternativeversions:
x MV cell with motor driven switch, rotary disconnecting switch, MV interface protection
(optional,accordingtoCEI016)withrespectivemeasuringTAandTV;
Options:
x AdditionalMVcellforINPUTͲOUTPUTconfiguration.
Transformercompartment
Itincludes:
x stepͲup epoxy resin transformer with two secondary windings and a suitable conversion
ratiofor15kVplants(or20kVoptionally),;
x afansystemoneachtransformercolumn;
x apowertakeoffsystem;
x transformertemperaturesensor.
Technicalcompartment
Itincludes:
x SOLEIL® 500kWac photovoltaic inverters for the connection to the power grid (two
invertersforPS1000,oneinverterforPS500),eachfeaturingadouble250kWacmodule;
x low voltage control board for auxiliary services and respective distribution (optional
lightingandairconditioning);
x differentialrelays;
x TGS2supervisionsystembasedonaI/OcollectingmodulesetandaGPRSmodem;
x UPSunitforTGS2supervisionsystem.
Options:
x powermeteringsystembasedonUTFcertificatedmeasuringdevices;
x airconditioningsystem(twomodulesforPS1000,onemoduleforPS500);
x weathercontrolunit;
x LVtransformer(25KVA,200/400V)forsupplyingauxiliaryunitsandrespectiveprotection
switch(200Vside),locatedintheLVswitchingboard.
The access to each compartment is protected by a door with lock and alarm, monitored by the
supervisionsystem.
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
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Power Station PS500-1000 - Technical specification
2 OPERATING PRINCIPLE
2.1 Standard version
"InputǦoutput"schemeoption
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
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Power Station PS500-1000 - Technical specification
2.2 Version with motor driven MV switch, rotary disconnecting
switch and optional protection interface (CEI016)
"InputǦoutput"schemeoption
Note:Intheaboveschemes,thedashedsectionsareoptional.
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
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Power Station PS500-1000 - Technical specification
3 PS1000 MECHANICAL DRAWINGS
Q. INVERTER
QGBT + Q.AUX
C
C
A
A
SWITHC
LINE
SWITCH
Note:PS500hasoneinverterandoneexternalconditioningunit.
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
4 COMPONENTS
4.1 MV board: sections arrangement
TheMVboardisbuiltassemblingthestandardpreͲengineeredsections.
Eachsectionisinternallydividedintoacertainamountofcells,whicharemetallicallysegregated
fromeachother,asdescribedinthefollowingparagraphs.
MVboardfeatures
Insulation voltage:
24kV
Ratedvoltage 20kV(15kVoptionally)
Numberofphases:
3
Ratedvoltageofauxiliarycircuits:
24Vcc–220Vca
Ratedcurrentofbusbars:
400A
Shorttermallowablecurrent(1s):
16kA
Shorttermallowablecurrent(peak): 40kA
Ratedfrequency:
50Hz
MVboxesareequippedwithalltherequiredaccessoriesaccordingtotheDL81Ͳ2008lawandto
the
mostupdatedsafeworkingstandardsandspecifically:
x rubbernonͲconductivemat(testvoltageisatleasttwicetheoperatingvoltageofthebox)
locatedalongtheareainfrontofthecells;
x nonͲconductivegloveswithrespectivecase;
x warningsigns"Whattodoincaseofelectricalshock","Donotenter""Lifehazard","Do
notenterifvoltageisconnected","Donotusewatertoextinguishfire",
x singleͲwirewiringdiagramlocatedoncells.
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
4.1.1 Standardversion(withdisconnectingswitchfeaturingfuses)
Instrumentcell
Groundingswitchcontrol
Rotarydisconnectingswitch
control
Inputlinesectionandbusbarsrisingwithdisconnectingswitch
Thebusbarscellcanbeaccessedfromthesectiontopfromthefrontiftheauxiliarydevicescellis
notpresent.
Thecompartmentincludes:
x Busbarssupportinsulators
x Copperbusbars
x Triadofcapacitordividerincludingsignallinglampsassembly;
x Instrumentboardwithauxiliarycircuits;
x Sectioncompletionaccessories.
MVdisconnectingswitchsection
x
x
x
x
x
400A16kAdisconnectingswitchwith63A24kVfuses;
Shiftedlowergroundingswitch;
Triadofcapacitordividerincludingsignallinglampsassembly;
Instrumentboardwithauxiliarycircuits;
Sectioncompletionaccessories.
Instrumentcell
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Power Station PS500-1000 - Technical specification
Theinstrumentcellislocatedabovetheswitchcellandisclosedwithaplatebymeansofsuitable
cableglandstoaccesstheabovemountedelectricalconduit.
Theinstrumentsinstalledinthecellare:
x Techsystem(orequivalent)controlunitformonitoringMVtransformerovertemperature
alarmandprotection;
x Generalprotectionrelayscontrolunit(REF601CEI016);
x Differentialrelaysmonitor(DER2/D2B).
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
4.1.2 Versionwithmotordrivenswitchandrotarydisconnectingswitch
A.
B.
C.
D.
E.
F.
Switchcell(ifany)
Busbarscell
Lineinputcell
Instrumentcell
LVauxiliarydevicescell.
TVcell.
ThefollowingpictureshowthefrontviewoftheMVboardintheversionwithmotordrivenswitch
androtarydisconnectingswitch.
D
E
F
Groundingswitch
control
Rotary
disconnecting
A
Operatingswitchcontrol
C
Alltheordinaryoperationproceduresarecarriedoutfromthefrontsectionwithcloseddoors.
Inordertocarryoutmaintenanceandreplacingprocedure,opendoorsorpanelsonthefrontor
ontheback.
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
Inputlinesection(C)andbusbarsrising(F)withdisconnectingswitch
Thebusbarscellcanbeaccessedfromthesectiontopfromthefrontiftheauxiliarydevicescellis
notpresent.
Thecompartmentincludes:
x Busbarssupportinsulators;
x Copperbusbars
MVswitchsection
This section includes:
x
x
x
x
x
x
x
x
x
ABBSACESRND/ti(orequivalent)noͲloadrotarydisconnectingswitch;
switchinSF6from630A,16kAABBSACEHD4(orequivalent);
Electronicmax.currentprotection50/51,withTA;
Shiftedlowergroundingswitchwithmechanicalinterlock;
Opening,closingandminimumvoltagecoilHD4;
MotordriveforHD4;
Triadofcapacitordividerincludingsignallinglampsassembly;
Instrumentboardwithauxiliarycircuits;
Sectioncompletionaccessories.
TVvoltagetransformercell
ThecellincludesthreesinglephasevoltagetransformerwithpoleͲtoͲearthandtwoconcatenated
voltagetransformer.
Voltagetransformersaremountedonaremovableplate.
TVsecondarycircuitsareconnectedwiththeauxiliarydevicessectionbymeansofsuitablewires
placedin
separatedroutes.
TheTVsectionisaccessiblethroughahatchmechanicallyinterlockedwiththegroundingswitch.It
canbeopenedonlyifthegroundingswitchisclosed.
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
MVswitchcell
Theswitchcellisdesignedtoaccommodatetheswitch.Thesegregationbetweenswitchcelland
busbarscellisaccomplishedbymeansofarotarydisconnectingswitch;insidethecellagrounding
switchisalsoinstalled.
Specifically,thefollowingelementsareinstalledinsidethecell:
x switchguides;
x socketfortheconnectorofswitchauxiliarycircuits,mountedontheswitchitself;
x suitablyratedcurrentreducers;
x rotary disconnecting switch (against bus bars) creating the segregation of switch
compartmentandbarscompartment, withswitchkeyinterlock (itcannotbe operatedif
theswitchisclosed);
x groundingswitchallowingsafeaccesstoswitchcompartment.
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Power Station PS500-1000 - Technical specification
Instrumentcell
Theinstrumentcellislocatedabovetheswitchcellandisclosedwithaplatebymeansofsuitable
cableglandstoaccesstheabovemountedelectricalconduit.
Theinstrumentinstalledinthecellare:
x Thytronic NV10P (or equivalent) interface protection control unit (optional), for
monitoringvoltageandfrequencyrelays;
x Techsystemcontrolunit(orequivalent)formonitoringMVtransformerovertemperature
alarmandprotection;
x Generalprotectionrelayscontrolunit(REF601CEI016);
x Differentialrelaysmonitor(DER2/D2B).
4.2 Medium voltage connections
ThethreeͲphaseMVconnectionbetweenMVboardandtransformeriscreatedbywiringRG7H1R
12/20 kV 1x50 mm² conductors. Conductors are equipped with specific preformed terminals,
appropriateforthemaximumoperatingvoltageandfeaturingpressurecablelug.
4.3 Medium voltage transformer
ThemediumvoltagetransformerinstalledonthePSseriesismanufacturedwithepoxyresinand
bymeansofforcedcooling.
Ventilationisguaranteedbyfansmountedonthethreecolumns.Thefansfunctionautomatically
accordingtotheinternaltemperatureofwindings.
The transformer compartment is provided with appropriate openings allowing a natural air flow
fromthegridsfacingtheexternalenvironment.
Thetransformer’sfeaturesareillustratedinthetablebelow.
SP139E Rev. 003 SIEL S.p.A.
Date of issue: 2010-11-29
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Power Station PS500-1000 - Technical specification
PS1000
PS500
Ratedpower(kVA)
1000
630
N°ofsecondarywindings
2
1
Concatenatedvoltageof
primarywinding(kV)
20(*)
20(*)
Concatenatedvoltageof
primarywinding(kV)
200
200
Classofinsulation(kV)
24
24
Frequency(Hz)
50
50
Vectorialgroup
Dy11–y11
Dy11–y11
Induction(T)
<1.6
<1.6
Shortcircuitvoltage(%)
4
4
Note(*):onrequest,thisisavailablealsowith15kVprimarywindingvoltage.
Thetransformerisdeliveredwiththefollowingstandardaccessories:
x dataplate;
x liftingeyebolts;
x earthterminals,revolvingwheels;
x T154temperaturecontrolunitandtriadofthermoresistorPT100onsecondarywindings;
x forcedventilationonthecoreandontherespectivecontrolunit;
x electrostaticscreen;
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
4.4 Inverter Soleil 500
ThePS1000unitisequippedwithtwothreeͲphaseSoleil500withnoneutral(oneinverteron
PS500).
Soleil 500 inverter consists of a double IGBT type power module, with forced switching PWM
(PulseWidthModulation)controltechnology.
Thecurrent waveformdeliveredtothepowerdistributiongridisidenticaltothatofthe voltage
withaunitypowerfactorinanyoperatingcondition.
Each Soleil 500 uses a system which tracks the maximum power point of the photovoltaic
generator(MPPT)thusachievingthemaximumpowerefficiencyinanyoperatingstate.
Soleil 500 is controlled from two touch screen control panels allowing to view all system operating
parameters of each system module (electrical values, states and alarms) and to input the basic commands.
Pleaseseedocument‘InverterSoleilDSPͲTechnicalspecification"formoredetails.
Thetechnicaldataoftheinverterarelistedasfollows:
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
Type
Soleil 500TL
1. DC input side
Recommended power of modules
Minimum [KWp]
Rated [kWp]
Maximum [kWp]
mppt voltage [V]
Max. voltage V a (at -10°C)
Min. voltage V a (+70°C)
Modules max. I [A]
Nr. of DC inputs
No. of MPPT
450
500
612
330-700
780
330
2 x 779
8x2
2
2. AC output side
Rated power [kW]
Maximum power [KW]
Connection
Rated voltage [V]
Rated current [A]
Max current [A]
Min. operating voltage [V]
Max. operating voltage [V]
Operating frequency [Hz]
Frequency tolerance [Hz]
Max. efficiency [%] (*)
Euro efficiency [%] (*)
THD% I (@Pnom)
Power factor
500
500
200
1443,4
1698,1
Vn – 15%Vn
Vn + 15%Vn
50
+/- 0,3
97,5
96,3
3
1
3. Other data:
Ventilation system
Dissipated power at no-load [KW]
Control
Output wave form
Operating temperature
Storage temperature
Max. relative humidity
Forced air
64
Digital
sine-wave
0°C / +40°C at full power
-20°C / +50°C
95% with no condensing
4. Mechanical specifications
Noise at one meter according to ISO
03746 (dBA)
Protection class
Dimensions (mm)
Weight (kg)
68
IP20
1500x1000x2000
1300
Note(*):maximumefficiencyismeasuredataninputvoltageof400Vdc
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Power Station PS500-1000 - Technical specification
4.5 Switching board and auxiliary circuits protection
Theboardincludesallswitchesinvolvedintheprotectionandswitchingofallauxiliarycircuitsand
asastandarditissuppliedfromtheexternalpowerlinewhichhastobeprovidedbytheclient.
Theelectricalboardisenclosedinfibreglasscabinet,withthefollowingfeatures:
x
x
x
x
Protectionclass:
IP55
Operatingvoltage:
400V
Ratedcurrent:100A
Shortcircuitcurrent: 16kA
Theboardalsoincludestwoadjustabledifferentialrelaysequippedwithtoroid,whoseactivation
causes the opening of the MV switch. The condition of these relays is controlled by DER2/D2B
installedontheinstrumentpaneloftheMVboard.
Theboardalsoincludesthecommunicationdevices(I/OacquisitionmodulesandGPRSmodem),
seeChapter5.
Options
As an option, the board may be fed by a dedicated 25 kVA 200/400V transformer, directly
connected by the MV transformer secondary winding, located in the board itself and equipped
withprotectionswitchontheprimarywindingsideandwiththerequiredpowerconnections,built
withFG7/or0,6/1kVtypewiresofappropriatecrosssection.
4.6 LV UTF meters (optional)
Onrequest,twoUTFmetersaredelivered,GAVAZZIEM2696AV63HO3S1PF002type(orsimilar).
Themetersinclude1600/5AmeasuringTA,GAVAZZItype,CTD9V16005AXXX,plusoutputsignals
forpowermeteringwithterminalboardpresetfortheconnectiontoamonitoringsystem.
4.7 Air conditioning system (optional)
Thesystemisoptionallyequippedwithanoptimizedairconditioningsystem,basedonStulzCVSͲ
A2units(orequivalent),dualforPS1000,singleforPS500,andoperatingin‘freecooling’mode.
Thetechnicaldataoftheairconditioningsystemarelistedasfollows:
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Power Station PS500-1000 - Technical specification
TECHNICALDATA
11.9
R407C
Coolingpower(kW)
Cooler
«500axial
Number/Type
1/diam.
Condenserfan
Aircapacity(m^3/h)
Availablestaticpressure(Pa)
4900
5
Voltage(V)
24/48
Number/Type
Aircapacity(m^3/h)
Availablestaticpressure(Pa)
3/diam.280radial
2850
25
Evaporatorfan
Externaloperatingtemperature
(°C)
Internaloperatingtemperature
(°C)
Ͳ20/+45
+20/+40
ELECTRICALDATA
x
x
x
x
Supplyvoltage(V):
400
N.ofphases 3F+N
Frequency(Hz):
50
Totalpowerconsumption(kW):4.2
Dimensions(mm)
A=1170
B=1910
C=910
SP139E Rev. 003 SIEL S.p.A.
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Power Station PS500-1000 - Technical specification
4.8 UPS
PS1000andPS500areequippedwitha2KVAUPSunitforsupplyingthemonitoringplatform
(Chap.5).
ThetechnicaldataoftheUPSarelistedasfollows:
INPUT
Phases
Single phase
Voltage (Vac)
175-285
Frequency (Hz)
(46~54)/(56~64)
Current (A)
12
OUTPUT
Power
2KVA/1.4KW
Voltage (Vac)
208/220/230/240 (±2%)
Frequency (Hz)
50/60 ±0.2Hz (battery mode)
Wave form
sine-wave
Standard
runtime (8x12V,
7.2Ah internal
batteries)
100% charge: 21 min
50% charge: ± 9 min.
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Power Station PS500-1000 - Technical specification
5 TGS2 COMMUNICATION PLATFORM
PS1000 is equipped with a supervision system which allows to monitor the basic operating
parametersofinverters,ofconnectedsmartstringboxesandofthesystem.
AnapplicationinstalledonaSIEL(TGS2)serverrunsthetestoftheHWpresentinthesystemand
maintainsanhistoricallogofallthecollecteddata.
Moreover,shouldanyfaultoccur,theTGS2systemcansendanemail/smstoaconfigurablesetof
recipients,indicatingthetypeoferrorsotheproblemcanbesolvedinthemostappropriateway.
Whenthefaultisrepaired,anadditionalnoticeissent(eͲmailand/orsms)toinformtheproblem
issolved.
The user is given an IP address corresponding to the Power Station and, using any internet
browser(e.g.MSExplorer),he/shecanaccessasetofgraphicalscreensindicatingconditionsand
diagramsofthegeneralsystem,ofthesingleinverterandofeachCSP12smartstringbox.
Thefollowingpictureshowstheoverviewscreenofthesystem:
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Power Station PS500-1000 - Technical specification
Systemconditionmonitoring
Asetofacquisitionmodulesallowsthemonitoringofthefollowingsignals(contacts)relatedto
thesystem(container):
x
x
x
x
x
x
x
x
x
x
x
x
ConditionoftheMVdisconnectingswitchfuse(open/closed),ifpresent;
Conditionofthemotordrivenswitch(open/closed),ifpresent;
ConditionofCEI016interfaceprotection,ifpresent;
Conditionofmax.currentprotection50/51,51N;
Max.temperaturealarmofMVtransformer;
Max.temperatureprotectionofMVtransformer;
Firedangeralarm;
Internaltemperaturealarm;
OpenQBTswitchalarm;
UPSoperatingfrombattery;
OpenUPSswitch;
Containeropendooralarm.
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Power Station PS500-1000 - Technical specification
Moreover,theconditions,thealarmsandthevaluesofthebasicinverterdataarealsomonitored.
Pleaseseedocument‘InverterSoleilDSPͲTechnicalspecification"formoredetails.
Externalweathercontrolunit(optional)
On request, a weather control unit is supplied, with the respective acquisition sensors for the
followingvalues:
x
x
x
x
Roomtemperature
Cellstemperature
Windspeed
Radiationlevel
Receiverunitmonitoringkit(optional)
Onrequest,akitisavailablefortheacquisitionofthefollowingcontactsoftheclientreceiver:
x ConditionofthegeneralMVswitch(open/closed);
x Conditionofmax.currentprotection50/51,51N;
x Usercontactcondition.
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Power Station PS500-1000 - Technical specification
6 TECHNICAL SPECIFICATIONS
TYPE
SOLEILPS500
PS1000
INPUTPARAMETERS
Recommendedpowerofmodules
450Ͳ608
900Ͳ1224
330/700
330/700
780
780
Modulesmax.current(A)
2x779
4x779
NumberofMPPT
Upto2
Upto4
(KWp)
Min/maxMPPT(V)voltage
Max.inputvoltageatͲ10°C(V)
OUTPUTPARAMETERS
Maximumpower(kW)
500
1000
N.ofphases
3ph.
3ph.
15or20
15or20
<3
<3
Max.inverterefficiency(%)
97,5
97,5
InverterEuroefficiency(%)
96,3
96,3
1
1
Ratedconcatenatedvoltage(kV)
Harmonicdistortionofcurrentat
ratedpower(%)
Powerfactor(cosphi)
GENERALSPECIFICATIONS
Operatingtemperature(°C)
-5 / +45ഒ
-5 / +45ഒ
Dimensions(LxDxH)mm
7108x2438x2660
7108x2438x2660
12500
15000
Weight(kg)
Canbeinstalledexternally
Installation
MODBUS/LAN/ADSL/GPRS
Communicationsystem
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Power Station PS500-1000 - Technical specification
7 APPLIED REGULATIONS
7.1 MV board
x
x
x
x
CEI17Ͳ06(section1126)
CEI70Ͳ6V1(section1295V)
IEC298
DL81Ͳ2008
7.2 Switches:
x
x
x
CEI17Ͳ9(section357andversionn.2)
IEC265cat.B
ENELDY1511specifications
7.3 MV transformer
x
x
CEIEN60300
CEIEN60076
7.4 Inverter
x
x
EMC2004/108/ECdirective
2006/95/ECdirective
x
x
x
x
x
x
EN61000Ͳ6Ͳ1(immunity)
EN61000Ͳ6Ͳ3(emissions)
EN50178(safety)
EN61000Ͳ3Ͳ12(harmonics)
EN61000Ͳ3Ͳ11(voltageflickers)
GuidefortheconnectiontopowergridfromEnelDistribuzione
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