荷兰150MVA 220kV 电力变压器英文招标书.docx
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荷兰150MVA220kV电力变压器英文招标书
SpecificationPowerTransformer
150MVA;220/30kV
Thisspecificationrefersto:
Application:
seeattendantletter
Applicant:
Tenderer:
..................……………………..
Tender:
.....................d.d.........................
Note:
explanationofusedsignsandletterswhichareusedinthecolumns:
RequiredbytheOwner.
IftheContractorwantstodeviatefromtherequirement,thantheContractorhastowritedownthedeviationaccordingtotherequirement.
GeneralinformationsuppliedbytheOwner.
SassumesthattheContractorusesstandarddesignandconstructionmaterialsandreportingallrelevantinformation.
AadviceoftheContractor.
XinformationfillinbyContractor.
PartA1
GeneralTechnicalDescription
Specificationofspecificandofgeneraltechnicalinformation
PartA1GeneralTechnicalDescription
Specificationofspecificandofgeneraltechnicalinformation
ContentsPage
1APPLICABLEREQUIREMENTSANDGUIDE-LINES5
4.1Site7
4.2Climate7
4.3Infrastructure7
4.4Operationschedule7
5ASSIGNDATA8
inaphasewindingthatisconnectedtoaneffectiveearthed220kV-grid.
1
APPLICABLEREQUIREMENTSANDGUIDE-LINES
EveryNENstandardand– asfarasnoDutchstandardexists IECpublications,inadditiontowhichtransformersareofimportance:
1.1
NEN-EN-IEC60076-1:
1999/A12:
2002
Energietransformatoren–Algemeen
1.2
NEN-EN-IEC60076-2:
1999
Energietransformatoren–Temperatuurverhoging
1.3
NEN-EN-IEC60076-3:
2001
Energietransformatoren-Isolatieniveausendiëlektrischeproeven
1.5
NEN-EN-IEC60076-5:
2000
Energietransformatoren-Kortsluitsterkte
1.6
NPR-IEC60076-8:
2000
Energietransformatoren-Leidraadvoordespecificatieendetoepassing（+correctie1986）
1.7
NEN-EN-IEC60214:
1998
Regelschakelaarsvoorenergietransformatoren
1.8
NPR10354（1992）
Energietransformatoren-Leidraadvoorhetbelastenvanolietransformatoren
1.9
NEN10542（1989）
Regelschakelaarsvoorenergietransformatoren-Leidraadvoordetoepassing
1.10
NEN10137（1996）
Doorvoerisolatorenvoorwisselspanningenboven1000 V
1.11
NEN-EN-IEC60044-1:
2000/A1:
2000
Stroomtransformatoren
1.12
NEN-EN-IEC60076-10:
2001
Energietransformatorenensmoorspoelen-Bepalingvangeluidniveaus
1.13
NEN10296（1985）
IsolatieoliënvoortransformatorenenschakelmaterieelEisenvoornieuwemineraleoliën
1.16
NEN10422（1990）
IsolatieoliënvoortransformatorenenschakelmaterieelRichtlijnenvoorhetonderhoudendecontrolevaningebruikzijndemineraleolie
1.17
NEN10616（1979）
Energietransformatoren-Aanduidingenvanklemmenenaftakkingen
1.20
NEN10071-1（1995）
Coördinatievanisolatie-Deel1:
Definities,uitgangspuntenenregels
1.21
NPR10071-2（1997）
Coördinatievanisolatie-Deel2:
Leidraadvoordetoepassing
Theseregulationsarerelevantorthisscopetellsotherwise.ThisismentionedinpartB“requirementsandtestsapplytoPowertransformers”.
Forthetotalsupply,establishstandards,bytheDutchlegislativepublicjudicatureororganizationsarevalid.
Inrelationtothosestandardstheseprescriptionsarevalid:
a）eachofthementionedregulationisoperativeonthedayoftheassignment.
b）eachofthereferencesinthisscopeisbasedonthementionedversion（yearofpublication）fromtheregulations.
c）referencesinthisscopetowardssections,pagesandtable-numbersfromaregulationcanbeincorrectifinthemeantimeanewversionoftheregulationappears.
2
SCOPE
2.1
Numberoftransformers
3
0
2.2
Manufacture
................
X
0
2.3
Design
Oiltransformer
0
2.4
Position（seealsochapter4）
Outside
0
2.5
Numberofphases
3
0
2.6
Numberofwindings
2
0
2.7
Factorgroup
Ynd3
0
2.8
Frequency
50Hz
0
3GRIDSITUATION
HVside
MVside
3.1
Voltage
220kV
30,3kV
0
3.2
Voltagefluctuation
242-198kV
30,3–31,5kV
0
3.3
Highestindustrialvoltage
（accordingtoNEN10071）
245kV
36,0kV
0
3.4
Earthconditionofthegrid
effective
0
3.5
Earthfaultfactor
0,83
3
0
3.6
Maximumtimeearthfault
1sec.
3sec.
0
3.7
Short-circuitPowerofthegrid（3-fases）
40kA
25kA
0
3.8
Durationoftheincomingshort-circuitcurrent
1sec.
3sec.
0
3.9
GridratioX0/X1
1,44
………
0
4
OPERATINGCONDITIONS
Thesymbol（）inthefirstrow,whichisbehindthetext,meansthatthisitemisforContractorinformation.InthesecondrowContractormustindicate,incircular（0）,thathehastakennoticeofthisinformation.
4.1Site
Location:
Europe.
integratinginexistinginstallationoftheOwner´sPlant.
0
Latitude:
400meters.
0
Longitude:
1300meters.
0
Elevation:
0.87m+NAP（sealevel）
0
Soilcondition:
±1metersandfilloversoftclaylayersuptoadepthof20-40meters.
0
4.2Climate
Operatingconditions:
Atmosphericaircontainsdust,SO2andlowconcentrationsofHF（10mg/m3
）,saltwaterthroughseawinds;
0
Relativehumidity:
50-95%;averaging80%
0
Ambienttemperature:
-25Cto+40C
0
Rainfall:
800mmperyear:
-90l/sec/haper15minutes.
-20l/sec/haper2hours.
0
Snow:
0,5mmax.loadforroofs.
0
Winds:
slightlyprevailingwestwinds.
0
Windloads:
NEN3850forcoastalzone.
0
Seismicactivity:
Verylowtonone.
0
Groundwaterlevel:
-0.8mNAPoriginalwatertable
0
Apparentwatertable:
0.3-0.7mbelowplantlevel
0
4.3Infrastructure
Road:
Thesiteentrancewillgivedirectaccessfromthepublicroadsystemtosite;
Siteentrance:
Widthaprox.6m;clearance9.5m（highvoltagelines）,height3.9meter
0
Rail:
Anindustrialrailwaysystemispassinginfrontofthesite,whichisconnectedtothepublicgrid;
0
Sea:
ThefacilitiesarereachablebymediumsizeseashipsasaretheharbourfacilitiesattheOwner´sPlant.
0
Channel:
Max.draught4.5m;width12m;length80metermax.
0
4.4Operationschedule
24hours
0
5ASSIGNDATA
5.1MainVoltage（Un）
Maintap
Regulationtap
Meansofregulation
0
HV
220kV
+7X±3,0kV
-12à14X±3,0kV
Underload
X
0
MV
30,3kV
0
5.2Categoryoftheregulation
SRCF
0
Poweronthetap
full
0
5.3Outcomingpower
MVside
-coolingONAN:
100MVA
0
-coolingONAF:
150MVA
0
5.4Limitforraiseoftemperature
-winding（average）
65K
0
-top-oil
60K
0
-calculatedhighesttemperaturejumpinwinding
....K
X
0
5.5Circumstances
Insection4.1and4.3assignvoltagesandloadsarebasicconditionsforunderneathmentionedoperatingconditions.
Twowindingtransformer
HV/MV
HVside
MVside
MinimumVoltage
（kV）
198
30,3
MaximumVoltage
（kV）
242
30,3
0
Energydirection
HS=>
MS
0
Max.powerconsumption
（MVA）
....
X
0
Max.effectiveoutput
（MVA）
150
0
Cos
0,9
X
0
Maximumenergization
（%）
fullload
…………
X
5.6Connectionbymeansof
-
HV-side:
gasisolatedtube（GIL）
0
-
MV-side:
copperbusbarwithdetachedjoints
0
Seealsodrawing1
5.7Insulationlevel
4.7.1
Ofthewinding
HV
MV
typeofwindinginsulation
....
....
X
0
phasepoint:
0
-Voltagelowfrequency
kVeff
325
70
-Lightningvoltage1,2/50s
kVtop
750
170
.schakelisolatie-
niveau（SIN）,
fase-aarde
kVtop
450
95
.SIN,fase-fase
kVtop
450
95
neutralpoint:
0
-Voltagelowfrequency
kVeff
140
n.a.
-Lightningvoltage3-10/50s
kVtop
325
n.a.
4.7.2
Thebushinginsulator
HV
MV
Phaseterminal:
0
-Voltagelowfrequency
kVeff
460
70
-Lightningvoltage1,2/50s
kVtop
1050
170
Neutralpointterminal:
0
-Voltagelowfrequency
kVeff
185
n.a.
-Lightningvoltage1,2/50s
kVtop
450
n.a.
Applied:
DINtype........
InneedofMV-side
S
0
5.8Short-circuitvoltage,-lossandresistance
X
0
Position
Tapchanger
High
（1）
Nom.
（8）
Low
（20/22）
Transformationratio
kV
242
220
175
kV
30,3
...
30,3
...
30,3
（1）
（8）
（20/22）
Shortcircuitvoltageat75C
（guaranteed）
?
...
17,5
...
?
Valuerelatedto
MVA
150
...
150
...
150
Limitstoshort-circuitvoltage
%+
5
...
5
...
...
%
5
...
5
...
Short-circuitloss
at75C
kW
...
...
...
...
...
JoulelossesI2R
（R = direct-currentresistanceat75C）
kW
...
...
...
...
...
Valuerelatedto
MVA
150
...
150
...
150
Theunderlinedreadout（value’s）areguaranteedterms.Theyothervalue’sareonlyforinformation.Iftheconditionsofguaranteeoftheshort-circuitlossexceedthevalueof10%,measurementuncertaintyareincluded,Principalhastherighttorefuse,rejectthetransformer.
Resistancetoshortcircuit:
Transformerhastowithstandshort-circuitcurrentswhichoccur
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