city of the cable (Iz): theoretical: 634 Ax correction factors (real conditions of use): 600 Aconstraint: overloads: Temperature correction factor 1thermal resistivity correction factor Not applicableneutral correction factor 1conductors correction factor 0.98
User correction factor 1
/type correction factor 1
_______
. 98
CSA (mm?) UsedmetalPhase1x240CopperNeutral1x240CopperPE or PEN1x50Copper
Voltage dropupstreamcircuitdownstreamdU (%) 00.170.17 results in accordance with CENELEC report R064-003 (1998) .assumptions and device choices are the user's responsibility.
Circuit-breaker: Q1: Compact NSX630Hrating: 630 Aunit: Micrologic 2.3unit rating: 630 A: 4P4dlimit: Nonereinforced by cascading: 0 kA
Residual-current protection:
Residual-current device :::
Settings:
Long time: Ir=0.92 x In=580 Atime: Im/Isd=5 x Ir=2 898 A
tm=20 ms
Circuit: L3 - C3 - Q3: ITand type of live conductors: 3Ph + Nbreaker: Q3: Compact NSX400Hrating: 400 Aunit: Micrologic 2.3unit rating: 400 A: 4P4dlimit: Nonereinforced by cascading: 0 kA
Residual-current protection:
Residual-current device :::
Settings:
Long time: Ir=0.72 x In=288 Atime: Im/Isd=5 x Ir=1 440 A
tm=20 ms
Cable: C3: 50 mof installation: 31: Single-core or multi-core cables on perforated trayconductor type: Single-core conductor: XLPE Number of additional touching circuits: 0arrangement: Touching, flat
: THDi3: 0% carrying capacity of the cable (Iz): theoretical: 342 Ax correction factors (real conditions of use): 300 Aconstraint: overloads: Temperature correction factor 1thermal resistivity correction factor Not applicableneutral correction factor 1conductors correction factor 0.98
User correction factor 1
/type correction factor 1
_______
. 98
CSA (mm?) UsedmetalPhase1x95CopperNeutral1x95CopperPE or PEN1x50Copper
Voltage dropupstreamcircuitdownstreamdU (%) 0.171.691.86 results in accordance with CENELEC report R064-003 (1998) .assumptions and device choices are the user's responsibility.
Load L3: 286 A Number and type of live conductors: 3Ph + N: 160 kW System earthing arrangement: IT (Phin) 0.85: 1results: C1
Isc upstr.Ik3 maxIk2 maxIk1 maxIk2 minIk1 minI fault (kA) 14.914.412.511.411.310.22.61R (m?) 5.355.356.975.467.1910015.23X (m?) 15.915.920.1415.920.1439. 06Z (m?) 16.7816.7821.3116.8121.3810015.31 results: C3
Isc upstr.Ik3 maxIk2 maxIk1 maxIk2 minIk1 minI fault (kA) 14.49.58.256.156.985.052.12R (m?) 15.0915.0926.4617.9332.1310042.86X (m?) 20.420.429.1420.429.1428. 69Z (m?) 25.3825.3839.3627.1643.3710042.9
Calculation results in accordance with CENELEC report R064-003 (1998).
All assumptions and device choices are the user's responsibility.:
SwitchgearQ1Q3RangeCompactCompactDesignationNSX630HNSX400HTrip unit/CurveMicrologic 2.3Micrologic 2.3Rating630 A400 AResidual-current deviceLong timeIoIr580 A288 Atr16000 ms16000 msShort timeI2t - Im/Isd2898 A1440 ATm/Tsd20 ms20 msInstantaneousIi6900 A4800 Ati60 ms60 msResidual currentIdndtDiscriminationLimitNoneNone
Малюнок 3.9
RangeDesignationIn (A) Thresholds (A) Temp. (s) Ik (kA) Ik max (kA) BC (kA) CompactNSX630H630Ir=580 Im=2 898 Ii=6900Tr=16 Tm=0.02 Ti=0.0610.214.920CompactNSX400H400Ir=288 Im=1440 Ii=4800Tr=16 Tm=0.02 Ti =0.065.0514.420
Upstream switchgearDownstream switchgearReinforced break. cap. (kA) Discrimination limit (kA) Q1Q30None
CompanyPrepared by домProject ProjectDesigner15/06/2013 Description ніколайChecked byDepartment трансформаторний підстанція навантаження потужність
Малюнок 3.10
RangeDesignationIn (A) Thresholds (A) Temp. (s) Ik (kA) Ik max (kA) BC (kA) CompactNSX630H630Ir=580 Im=2 898 Ii=6900Tr=16 Tm=0.02 Ti=0.0610.214.920CompactNSX400H400Ir=288 Im=1440 Ii=4800Tr=16 Tm=0.02 Ti =0.065.0514.420
Upstream switchgearDownstream switchgearReinforced break. cap. (kA) Discrimination limit (kA) Q1Q30None
TransformerT1SrT400 kVAUrT2380 VUkr4% PkrT4.96 kWConnectionDynInsulationImmersed-type
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