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CABLES
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XLPE INSULATED CABLES
Need Power Connections? We Have The Solutions! 12
TABLE SPECIFICATION
1A Single-Core 600/1000V Unarmoured Cables (Copper Conductor) 12A-1N BS 5467 / IEC 60502-1
1B Single-Core 600/1000V Armoured Cables (Copper Conductor) 12A-1A BS 5467 / IEC 60502-1
2A Two-Core 600/1000V Unarmoured Cables (Copper Conductor) 12-2N BS5467 / IEC 60502-1
2B Two-Core 600/1000V Armoured Cables (Copper Conductor) 12-2S BS5467 / IEC 60502-1
3A Three-Core 600/1000V Unarmoured Cables (Copper Conductor) 12-3N BS5467 / IEC 60502-1
3B Three-Core 600/1000V Armoured Cables (Copper Conductor) 12-3S BS5467 / IEC 60502-1
4A Four-Core 600/1000V Unarmoured Cables (Copper Conductor) 12-4N BS5467 / IEC 60502-1
4B Four-Core 600/1000V Armoured Cables (Copper Conductor) 12-4S BS5467 / IEC 60502-1
4C Four-Core 600/1000V Armoured Cables (Aluminium Conductor) T13-4S BS5467 / IEC 60502-1
4D Four-Core 600/1000V Copper Tapes Screened Cables (Aluminium Conductor) T13-4C TNB Specification
REFERENCE
5A Single Core 6kV Unarmoured Cables (Copper Conductor) TC-6-1-N TNB Specification
6A Single Core 11kV Unarmoured Cables (Copper Conductor) GC-11-1-N BS 6622 / IEC 60502-2
6B Single Core 11kV Armoured Cables (Copper Conductor) GC-11-1-A BS 6622 / IEC 60502-2
7A Single Core 11kV Unarmoured Cables (Aluminium Conductor) GA-11-1-N BS 6622 / IEC 60502-2
7B Single Core 11kV Armoured Cables (Aluminium Conductor) GA-11-1-A BS 6622 / IEC 60502-2
8 Single Core 11kv Unarmoured Cables (Aluminium Conductor) TA-11-1-N TNB Specification
9A Three Core 11kV Unarmoured Cables (Aluminium Conductor) GC-11-3-N BS 6622 / IEC 60502-2
9B Three Core 11kV Armoured Cables (Copper Conductor) GC-11-3-S BS 6622 / IEC 60502-2
10A Three Core 11kv Unarmoured Cables (Aluminium Conductor) GA-11-3-N BS 6622 / IEC 60502-2
10B Three Core 11kV Armoured Cables (Aluminium Conductor) GA-11-3-S BS 6622 / IEC 60502-2
11 Three Core 11kV Armoured Cables (Aluminium Conductor) TA-11-3-S TNB Specification
12 Three Core 22kV Armoured Cables (Aluminium Conductor) GA-22-3-S BS 6622 / IEC 60502-2
13 Single Core 22kV Unarmoured Cables (Aluminium Conductor) TA-22-1-N TNB Specification
14A Single Core 33kV Unarmoured Cables (Copper Conductor) GC-33-1-N BS 6622 / IEC 60502-2
14B Three Core 33kV Armoured Cables (Copper Conductor) GC-33-3-S BS 6622 / IEC 60502-2
15 Single Core 33kV Copper Wire Screened Cables (Aluminium Conductor) TA-33-1-W TNB / KLIA Specification
16 Single Core 33kV Copper Wire Screened Cables (Copper Conductor) TC-33-1-W TNB / KLIA Specification
17 Single Core 11kV Copper Wire Screened Cables (Copper Conductor) TC-11-1-W TNB / KLIA Specification
18 Single Core 11kV Copper Wire Screened Cables (Aluminium Conductor) TA-11-1-W TNB / KLIA Specification
19 Single Core 11kV Double-sheathed Cables (Aluminium Conductor) TA-11-1-DS TNB Specification
20 Single Core 22kV Double-sheathed Cables (Aluminium Conductor) TA-22-1-DS TNB Specification
21 Three Core 11kV Double-sheathed Cables (Aluminium Conductor) TA-11-3-DS TNB Specification
22 Triplex 11kV XLPE-Insulated Cables (Aluminium Conductor) TA-11-3-T TNB Specification
A Technical Data For Cable Installation
A.1 Minimum Bending Radius
A.2 Maximum Pulling Tension
A.3 Maximum Side Wall Pressure
1 Low Voltage Aerial Bundled Cable 2 11kv Aerial Bundled Cable 3 33kv Aerial Bundled Cable
LOW VOLTAGE XLPE INSULATED POWER CABLES
AERIAL BUNDLED CABLES
MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
13
600/1000V SINGLE CORE XLPE INSULATED POWER CABLES
BASIC CONSTRUCTION
UNARMOURED CABLES
ARMOURED CABLES
Conductor
XLPE Insulation
Sheath
Conductor
XLPE Insulation
Bedding
Armour Wire
Outer Sheath
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - ROUND CIRCULAR STRANDED OR COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
BEDDING - PVC OR POLYETHYLENE
ARMOUR WIRE - ALUMINIUM WIRES
SHEATH MATERIAL - PVC OR POLYETHYLENE
X L P E I N S U L AT E D C A B L E SLOW VOLTAGE XLPE CABLES. MEDIUM VOLTAGE XLPE CABLES.
14
BS 5467IEC 60502-1
REFERENCE12A-1N
TABLE 1A SINGLE-CORE 600/1000V UNARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm507095
120150185240300400500630800
1000
Shape
circularstranded
or
circularcompacted
Thicknessof
Insulation
mm1.01.11.11.21.41.61.71.82.02.22.42.62.8
Thicknessof
Sheath
mm1.41.41.51.51.61.61.71.81.92.02.22.32.4
OverallDiameter
mm14.015.817.820.022.224.427.530.333.937.742.647.552.6
Approx.Weight
kg/km560770
1020131016001980256031904040507065108250
10330
Reactanceat 50HzΩ/km0.09050.08700.08510.08370.08370.08260.08120.08010.07920.07850.07760.07590.0749
Short CircuitCurrent for 1 sec
kA7.1510.013.517.121.426.434.342.957.271.590.0
114.0143.0
Electrical CharacteristicsCurrent Rating Conductor Resistance
Black PVC sheath
Conductor
BS 5467IEC 60502-1
REFERENCE12A-1A
TABLE 1B SINGLE-CORE 600/1000V ARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm507095
120150185240300400500630800
1000
Shape
circular
stranded
or
circular
compacted
Thicknessof
Insulation
mm1.01.11.11.21.41.61.71.82.02.22.42.62.8
Thicknessof Extruded
Bedding
mm0.80.80.80.81.01.01.01.01.21.21.21.41.4
Thicknessof Outer Sheath
mm1.51.51.61.61.71.81.81.92.02.12.22.42.5
Nominalof ArmourDiameter
mm0.9
1.251.251.251.61.61.61.62.02.02.02.52.5
OverallDiameter
mm17.319.821.924.027.129.632.435.240.044.148.354.860.0
Approx.Weight
kg/km740
10201330161020302460308037504830604074309550
11750
Reactanceat 50HzΩ/km0.1130.1070.1020.101
0.09990.09750.09460.09200.09230.09030.08780.08630.0847
Short CircuitCurrent for 1 sec
kA7.1510.013.517.121.426.434.342.957.271.590.0
114.0143.0
Electrical CharacteristicsCurrent Rating Conductor Resistance
Black PVC sheathArmouring : hard drawn Aluminium wire
** In case of TAPED BEDDING : The thickness of taped bedding (approximately 0.8mm) need not be checked by measurement
Conductor
In Air at 40oCamp185235290340390455545630735850985
11501280
In Air at 40oCamp200255310365415480570650760870995
11501250
In Ground at 25oCamp205250300340385435500565635715800890940
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.06010.04700.03660.02830.02210.0176
50Hz at 90oCΩ/km0.4940.3420.2470.1960.1590.128
0.09820.07930.06320.05090.04150.03470.0300
In Ground at 25oCamp205250295340380430495560635715800895970
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.06010.04700.03660.02830.02210.0176
50Hz at 90oCΩ/km0.4940.3420.2470.1960.1600.128
0.09880.08010.06430.05210.04280.03630.0317
15
600/1000V TW0-CORE XLPE INSULATED POWER CABLES
BASIC CONSTRUCTION
UNARMOURED CABLES
ARMOURED CABLES
Conductor
Insulation
Filler
Core Wrapping
Outersheath
Conductor
Insulation
Filler
Core Wrapping
Bedding
Armour Wire
Outersheath
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - CIRCULAR STRANDED OR COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
BEDDING - PVC OR POLYETHYLENE
ARMOUR WIRE - GALVANISED STEEL WIRES
SHEATH MATERIAL - PVC OR POLYETHYLENE
16
BS 5467IEC 60502-1
REFERENCE12A-2N
TABLE 2A TWO-CORE 600/1000V UNARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm507095
120150185240300400
Shape
circularstranded
or
circularcompacted
Thicknessof
Insulation
mm1.01.11.11.21.41.61.71.82.0
Thicknessof
Sheath
mm1.81.81.92.02.22.32.52.62.9
OverallDiameter
mm21.024.026.929.933.437.141.745.851.6
Approx.Weight
kg/km115015452070258032003955515063408150
Reactanceat 50HzΩ/km0.06510.06370.06160.06130.06180.06230.06120.06050.0603
Short CircuitCurrent for 1 sec
kA7.1510.013.517.121.426.434.342.957.2
ELECTRICAL CHARACTERISTICSCurrent Rating Conductor Resistance
Black PVC sheath
Conductor
In Air at 40oCamp205255315370420485580665770
In Ground at 25oCamp230285340380435490565640725
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.06010.0470
50Hz at 90oCΩ/km0.4940.3420.2470.1960.1600.129
0.09930.08070.0650
BS 5467IEC 60502-1
REFERENCE12A-2S
TABLE 2B TWO-CORE 600/1000V ARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm507095
120150185240300400
Shape
circular
stranded
or
circular
compacted
Thicknessof
Insulation
mm1.01.11.11.21.41.61.71.82.0
Thicknessof Extruded
Bedding
mm1.01.01.21.21.21.41.41.61.6
Thicknessof Outer Sheath
mm1.81.92.02.12.22.42.52.62.8
Nominalof ArmourDiameter
mm1.61.62.02.02.02.52.52.52.5
OverallDiameter
mm26.529.533.136.139.344.749.053.559.0
Approx.Weight
kg/km18402450321038504650588073008740
11000
Reactanceat 50HzΩ/km0.06480.06330.06120.06090.06180.06230.06120.06050.0603
Short CircuitCurrent for 1 sec
kA7.1510.013.517.121.426.434.342.957.2
Electrical CharacteristicsCurrent Rating Conductor Resistance
Black PVC sheath** In case of TAPED BEDDING : The thickness of taped bedding (approximately 0.8mm) need not be checked by measurement
Conductor
In Air at 40oCamp210260315370425485570650745
In Ground at 25oCamp230280335380425480555620695
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.06010.0470
50Hz at 90oCΩ/km0.4940.3420.2470.1960.1600.129
0.09930.08070.0650
17
600/1000V THREE-CORE XLPE INSULATED POWER CABLES
BASIC CONSTRUCTION
UNARMOURED CABLES
ARMOURED CABLES
Conductor
Insulation
Filler
Core Wrapping
Outersheath
Conductor
Insulation
Filler
Core Wrapping
Bedding
Armour Wire
Outersheath
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - CIRCULAR STRANDED OR COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
BEDDING - PVC OR POLYETHYLENE
ARMOUR WIRE - GALVANISED STEEL WIRES
SHEATH MATERIAL - PVC OR POLYETHYLENE
18
BS 5467IEC 60502-1
REFERENCE12A-3N
TABLE 3A THREE-CORE 600/1000V UNARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm507095
120150185240300
Shape
circularstranded
or
circularcompacted
Thicknessof
Insulation
mm1.01.11.11.21.41.61.71.8
Thicknessof
Sheath
mm1.81.92.02.12.22.42.62.7
OverallDiameter
mm24.027.531.034.237.942.547.852.6
Approx.Weight
kg/km16002260303537904700581076009350
Reactanceat 50HzΩ/km0.06510.06370.06160.06130.06180.06230.06120.0605
Short CircuitCurrent for 1 sec
kA7.1510.013.517.121.426.434.342.9
Electrical CharacteristicsCurrent Rating Conductor Resistance
Black PVC sheath
Conductor
In Air at 40oCamp175220265300350410480570
In Ground at 25oCamp195235285325365410475535
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.0601
50Hz at 90oCΩ/km0.4940.3420.2470.1960.1600.129
0.09960.0809
BS 5467IEC 60502-1
REFERENCE12A-3S
TABLE 3B THREE-CORE 600/1000V ARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm507095
120150185240300
Shape
circular
stranded
or
circular
compacted
Thicknessof
Insulation
mm1.01.11.11.21.41.61.71.8
Thicknessof Extruded
Bedding
mm1.01.01.21.21.41.41.41.6
Thicknessof Outer Sheath
mm1.81.92.12.22.32.42.62.7
Nominalof ArmourDiameter
mm1.61.62.02.02.52.52.52.5
OverallDiameter
mm29.534.037.540.045.049.555.059.5
Approx.Weight
kg/km245034404380525066808050
1018012150
Reactanceat 50HzΩ/km0.06480.06330.06120.06090.06180.06230.06120.0605
Short CircuitCurrent for 1 sec
kA7.1510.013.517.121.426.434.342.9
Electrical CharacteristicsCurrent Rating Conductor Resistance
Black PVC sheath** In case of TAPED BEDDING : The thickness of taped bedding (approximately 0.8mm) need not be checked by measurement
Conductor
In Air at 40oCamp175220265300350410480570
In Ground at 25oCamp190235285325365410480570
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.0601
50Hz at 90oCΩ/km0.4940.3420.2470.1960.1600.129
0.09960.0809
19
600/1000V FOUR-CORE XLPE INSULATED POWER CABLES
BASIC CONSTRUCTION
UNARMOURED CABLES
ARMOURED CABLES
Conductor
Insulation
Filler
Core Wrapping
Outersheath
Conductor
Insulation
Filler
Core Wrapping
Bedding
Armour Wire
Outersheath
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - CIRCULAR STRANDED OR COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
BEDDING - PVC OR POLYETHYLENE
ARMOUR WIRE - GALVANISED STEEL WIRES
SHEATH MATERIAL - PVC OR POLYETHYLENE
20
BS 5467IEC 60502-1
REFERENCE12A-4N
TABLE 4A FOUR-CORE 600/1000V UNARMOURED CABLES (COPPER CONDUCTOR) LOWLOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm162535507095
120150185240300400
Shape
circularcompacted
or
shapedstranded
Thicknessof
Insulation
mm0.70.90.91.01.11.11.21.41.61.71.82.0
Thicknessof
Sheath
mm1.81.81.81.82.02.12.22.42.62.83.03.2
OverallDiameter
mm18.426.929.533.338.844.249.555.061.469.276.985.2
Approx.Weight
kg/km820
14401880247034804600590072509080
117901468018440
Reactanceat 50HzΩ/km0.07610.06830.06560.06510.06370.06160.06130.06180.06230.06120.06050.0603
Short CircuitCurrent for 1 sec
kA2.283.575.007.1510.013.517.121.426.434.342.957.2
Electrical CharacteristicsCurrent Rating Conductor Resistance
Black PVC sheath
Conductor
In Air at 40oCamp
88115140175220265300350410480570660
In Ground at 25oCamp100135160195235285325365410475535610
dc at 20oCΩ/km1.15
0.7270.5240.3870.2680.1930.1530.124
0.09910.07540.06010.0470
50Hz at 90oCΩ/km1.47
0.9270.6690.4940.3420.2470.1960.1600.129
0.09960.08090.0653
BS 5467IEC 60502-1
REFERENCE12A-4S
TABLE 4B FOUR-CORE 600/1000V ARMOURED CABLES (COPPER CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
sq. mm1.52.546
10162535507095
120150185240300400
Shape
circular
stranded
circular
compacted
or
shaped
stranded
Thicknessof
Insulation
mm0.70.70.70.70.70.70.90.91.01.11.11.21.41.61.71.82.0
Thicknessof Extruded
Bedding
mm0.80.80.80.80.80.81.01.01.01.21.21.41.41.41.61.61.8
Thicknessof Outer Sheath
mm1.41.41.41.51.51.61.71.81.92.12.22.32.42.62.72.93.2
Nominalof ArmourDiameter
mm0.90.90.9
1.251.251.251.61.61.62.02.02.52.52.52.52.5
3.15
OverallDiameter
mm13.114.615.918.220.421.425.427.930.836.140.045.049.253.759.565.679.3
Approx.Weight
kg/km380480580830
108014201970250031304460560073508750
10530132301610021760
Reactanceat 50HzΩ/km0.10100.09300.08710.08280.07800.07610.06790.06520.06480.06330.06120.06090.06180.06230.06120.06050.0603
Short CircuitCurrent for 1 sec
kA0.210.360.570.851.422.283.575.007.1510.013.517.121.426.434.342.957.2
Electrical CharacteristicsCurrent Rating Conductor Resistance
Colours for core identification : red, yellow, blue and blackBlack PVC sheath
** In case of TAPED BEDDING : The thickness of taped bedding (approximately 0.8mm) need not be checked by measurement
Conductor
In Air at 40oCamp
232938486688
115140175220265300350410480570655
In Ground at 25oCamp
2937496181
100135160190235285325365410475535605
dc at 20oCΩ/km12.17.414.613.081.831.15
0.7270.5240.3870.2680.1930.1530.124
0.09910.07540.06010.0470
50Hz at 90oCΩ/km15.49.455.883.932.331.47
0.9270.6690.4940.3420.2470.1960.1600.129
0.09960.08090.0653
21
TNBSPECIFICATION
REFERENCET13-4S
TABLE 4C FOUR-CORE 600/1000V ARMOURED CABLES (ALUMINIUM CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
Conductors
sq. mm2570
120185300
Thicknessof
Insulation
mm0.91.11.21.61.8
Thicknessof Extruded
Bedding
mm1.21.21.31.51.7
Thicknessof Outer Sheath
mm1.82.22.52.83.3
OverallDiameter
mm29.940.548.858.471.6
Approx.Weight
kg/km15302880447060609290
Reactance
at 50Hz
Ω/km0.0790.0750.0730.0730.072
Voltage Drop
mV2.7
0.990.580.390.26
Electrical CharacteristicsCurrent Rating Conductor Resistance
Core colour identification : Natural coloured insulation with red, yellow, blue and black tapesBlack PVC sheath
In Air at 40oCamp89
166238315434
In Ground at 25oCamp104180248315414
dc at 20oCΩ/km1.20
0.4430.2530.1640.100
50Hz at 90oCΩ/km1.54
0.5680.3250.2110.13
Nominalof ArmourDiameter
mm1.62.02.52.52.5
TNBSPECIFICATION
REFERENCET13-4C
TABLE 4D FOUR-CORE 600/1000V COPPER TAPES SCREENED CABLES (ALUMINIUM CONDUCTOR)LOW VOLTAGE XLPE INSULATED POWER CABLES
NominalArea
Conductors
sq. mm2570
120185300
Thicknessof
Insulation
mm0.91.11.21.61.8
Thicknessof Extruded
Bedding
mm1.01.21.31.51.7
Thicknessof Outer Sheath
mm1.72.12.42.73.1
OverallDiameter
mm25.236.645.956.469.0
Approx.Weight
kg/km820
1725270040206100
Reactanceat 50HzΩ/km0.0790.0750.0730.0730.072
Voltage Drop
mV2.7
0.990.580.390.26
Electrical CharacteristicsCurrent Rating Conductor Resistance
Core colour identification : red, yellow, blue and blackBlack PE sheath
* Copper Tapes shall be applied over the bedding
In Air at 40oCamp
89166238315434
In Ground at 25oCamp104180248315414
dc at 20oCΩ/km1.20
0.4430.2530.1640.100
50Hz at 90oCΩ/km1.54
0.5680.3250.2110.13
22
MEDIUM VOLTAGE SINGLE CORE XLPE INSULATED POWER CABLE
BASIC CONSTRUCTION
UNARMOURED CABLES
ARMOURED CABLES
ConductorConductor ScreenXLPE InsulationInsulation ScreenMetallic ScreenOuter Sheath
ConductorConductor ScreenXLPE InsulationInsulation ScreenMetallic ScreenBeddingArmour WireOuter Sheath
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
BEDDING - PVC OR POLYETHYLENE
ARMOUR WIRE - ALUMINIUM WIRES
SHEATH MATERIAL - PVC OR POLYETHYLENE
23
TNBSPECIFICATION
REFERENCETC-6-1-N
TABLE 5A SINGLE-CORE 6kV UNARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.094
Capacitance
μF/km0.64
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp629
In Ground at 25oCamp540
dc at 20oCΩ/km0.0601
50Hz at 90oCΩ/km0.0791
NominalArea of
Conductorssq. mm
300
Thicknessof
Insulationmm2.8
Thicknessof Outer Sheath
mm2.0
OverallDiameter
mm35.1
Approx.Weight
kg/km3560
BS 662IEC 60502-2
REFERENCEGC-11-1-N
TABLE 6A SINGLE-CORE 11kV UNARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1260.1190.1120.1080.1060.1030.0990.0960.0930.0900.087
Capacitance
μF/km0.270.310.340.370.400.440.490.540.590.660.74
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp217242306353400459544629714799944
In Ground at 25oCamp198243288324369414477540612675752
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.06010.04700.03660.0283
50Hz at 90oCΩ/km0.4930.3420.2470.1960.1590.128
0.09800.07900.06330.05110.0416
NominalArea of
Conductorssq. mm
507095
120150185240300400500630
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheath
mm1.71.71.81.81.91.92.02.12.22.32.4
OverallDiameter
mm23.725.327.128.630.031.734.036.439.442.746.5
Approx.Weight
kg/km950
1180147017402030242030103640451056207070
BS 6622IEC 60502-2
REFERENCEGC-11-1-A
TABLE 6B SINGLE-CORE 11kV ARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1260.1190.1120.1080.1060.1030.0990.0960.0930.0900.087
Capacitance
μF/km0.270.310.340.370.400.440.490.540.590.660.74
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp217242306353400459544629714799944
In Ground at 25oCamp198243288324369414477540612675752
dc at 20oCΩ/km0.3870.2680.1930.1530.124
0.09910.07540.06010.04700.03660.0283
50Hz at 90oCΩ/km0.4930.3420.2470.1960.1590.128
0.09800.07900.06330.05110.0416
NominalArea of
Conductorssq. mm
507095
120150185240300400500630
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheathmm1.81.91.92.02.12.12.22.22.42.52.6
OverallDiameter
mm31.733.335.136.638.840.542.845.247.952.055.6
Approx.Weight
kg/km16001870221025102950337040304720563069908520
Thicknessof Extruded
Beddingmm1.21.21.21.21.21.21.21.21.21.31.4
Nominalarmour
wirediameter
mm1.61.61.61.62.02.02.02.02.02.52.5
24
BS 6622IEC 60502-2
REFERENCEGA-11-1-N
TABLE 7A SINGLE-CORE 11kV UNARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1260.1190.1120.1080.1060.1030.0990.0960.0930.0900.087
Capacitance
μF/km0.270.310.340.370.400.440.490.540.590.660.74
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp153191238272310361425493570672774
In Ground at 25oCamp153189225252288324374428486549612
dc at 20oCΩ/km0.6410.4430.3200.2530.2060.1640.1250.100
0.07780.06050.0469
50Hz at 90oCΩ/km0.8210.5690.4100.3250.2650.2110.1610.1300.102
0.08160.0647
NominalArea of
Conductorssq. mm
507095
120150185240300400500630
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheath
mm1.71.71.81.81.91.92.02.12.22.32.4
OverallDiameter
mm23.825.427.128.630.031.734.036.239.242.546.3
Approx.Weight
kg/km650760880990
1110126014901720206024803010
BS 6622IEC 60502-2
REFERENCEGA-11-1-A
TABLE 7B SINGLE-CORE 11kV ARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1260.1190.1120.1080.1060.1030.0990.0960.0930.0900.087
Capacitance
μF/km0.270.310.340.370.400.440.490.540.590.660.74
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp153191238272310361425493570672774
In Ground at 25oCamp153189225252288324374428486549612
dc at 20oCΩ/km0.6410.4430.3200.2530.2060.1640.1250.100
0.07780.06050.0469
50Hz at 90oCΩ/km0.8210.5690.4100.3250.2650.2110.1610.1300.102
0.08160.0647
NominalArea of
Conductorssq. mm
507095
120150185240300400500630
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheathmm1.81.91.92.02.12.12.22.22.42.52.6
OverallDiameter
mm31.833.435.136.638.840.542.845.047.751.855.4
Approx.Weight
kg/km13101450161017602020222025102790318038404460
Thicknessof Extruded
Beddingmm1.21.21.21.21.21.21.21.21.21.31.4
NominalArmour
WireDiameter
mm1.61.61.61.62.02.02.02.02.02.52.5
TNBSPECIFICATION
REFERENCETA-11-1-N
TABLE 8 SINGLE-CORE 11kV UNARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.090
Capacitance
μF/km0.66
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp672
In Ground at 25oCamp549
dc at 20oCΩ/km0.0605
50Hz at 90oCΩ/km0.0816
NominalArea of
Conductorssq. mm
500
Thicknessof
Insulationmm3.4
Thicknessof Outer Sheath
mm4.0
OverallDiameter
mm46.7
Approx.Weight
kg/km2740
25
MEDIUM VOLTAGE THREE CORE XLPE INSULATED POWEDR CABLE
BASIC CONSTRUCTION
UNARMOURED CABLES
ARMOURED CABLES
ConductorConductor ScreenInsulationInsulation ScreenMetallic Screen
FillerBinder TapeOutersheath
Conductor
Conductor Screen
Insulation
Insulation Screen
Metallic Screen
Binder Tape
Filler
Bedding
Armour Wire
Outersheath
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
BEDDING - PVC OR POLYETHYLENE
ARMOUR WIRE - GALVANISED STEEL WIRES
SHEATH MATERIAL - PVC OR POLYETHYLENE
26
BS 6622IEC 60502-2
REFERENCEGC-11-3-N
TABLE 9A THREE-CORE 11kV UNARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1400.1240.1160.1110.1060.1000.0970.0940.0920.0890.0860.083
Capacitance
μF/km0.200.220.240.270.300.340.370.400.430.480.530.59
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp111123149187230281319366417485553629
In Ground at 25oCamp114126153189230270306342387441486540
dc at 20oCΩ/km1.15
0.7270.5240.3870.2680.1930.1530.124
0.09910.07540.06010.0470
50Hz at 90oCΩ/km1.47
0.9270.6680.4930.3420.2470.1960.1590.128
0.09840.07970.0639
NominalArea of
Conductorssq. mm
162535507095
120150185240300400
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheath
mm2.22.22.32.42.52.72.82.93.03.13.33.5
OverallDiameter
mm38.741.343.746.450.154.257.660.964.770.075.681.8
Approx.Weight
kg/km1660204024402910368046505530649077309650
1171014460
BS 6622IEC 60502-2
REFERENCEGC-11-3-S
TABLE 9B THREE-CORE 11kV ARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1400.1240.1160.1110.1060.1000.0970.0940.0920.0890.0860.083
Capacitance
μF/km0.200.220.240.270.300.340.370.400.430.480.530.59
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp111123149187230281319366417485553629
In Ground at 25oCamp114126153189230270306342387441486540
dc at 20oCΩ/km1.15
0.7270.5240.3870.2680.1930.1530.124
0.09910.07540.06010.0470
50Hz at 90oCΩ/km1.47
0.9270.6680.4930.3420.2470.1960.1590.128
0.09840.07970.0639
NominalArea of
Conductorssq. mm
162535507095
120150185240300400
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheathmm2.32.42.52.62.72.83.03.13.23.43.63.8
OverallDiameter
mm47.250.853.055.559.062.966.469.773.580.285.790.9
Approx.Weight
kg/km3750475052705870683079909080
1022011690149901732020500
Thicknessof Extruded
Beddingmm1.21.31.31.41.41.51.61.61.71.81.92.0
NominalArmour
WireDiameter
mm2.02.52.52.52.52.52.52.52.5
3.153.153.15
27
BS 6622IEC 60502-2
REFERENCEGA-11-3-N
TABLE 10A THREE-CORE 11kV UNARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1300.1240.1160.1110.1060.1000.0970.0940.0920.0890.0860.083
Capacitance
μF/km0.200.220.240.270.300.340.370.400.430.480.530.59
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp
8098
119145179213251281327383434502
In Ground at 25oCamp
87104122144176207239270302342392441
dc at 20oCΩ/km1.911.20
0.8680.6410.4430.3200.2530.2060.1640.1250.100
0.0778
50Hz at 90oCΩ/km2.441.541.11
0.8220.5680.4100.3250.2650.2110.1610.1300.102
NominalArea of
Conductorssq. mm
162535507095
120150185240300400
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheath
mm2.22.22.32.42.52.72.82.93.03.13.3
3.55
OverallDiameter
mm38.741.343.846.550.254.257.660.964.770.075.281.4
Approx.Weight
kg/km136015701780202024002860327036904240506059107070
BS 6622IEC 60502-2
REFERENCEGA-11-3-S
TABLE 10B THREE-CORE 11kV ARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1300.1240.1160.1110.1060.1000.0970.0940.0920.0890.0860.083
Capacitance
μF/km0.200.220.240.270.300.340.370.400.430.480.530.59
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp
8098
119145179213251281327383434502
In Ground at 25oCamp
87104122144176207239270302342392441
dc at 20oCΩ/km1.911.20
0.8680.6410.4430.3200.2530.2060.1640.1250.100
0.0778
50Hz at 90oCΩ/km2.441.541.11
0.8220.5680.4100.3250.2650.2110.1610.1300.102
NominalArea of
Conductorssq. mm
162535507095
120150185240300400
Thicknessof
Insulationmm3.43.43.43.43.43.43.43.43.43.43.43.4
Thicknessof Outer Sheathmm2.32.42.52.62.72.83.03.13.23.43.63.8
OverallDiameter
mm47.250.853.155.659.162.966.469.773.580.285.391.5
Approx.Weight
kg/km378042804610499055506200682074208200
103001149013070
Thicknessof Extruded
Beddingmm1.21.31.31.41.41.51.61.61.71.81.92.0
NominalArmour
WireDiameter
mm2.02.52.52.52.52.52.52.52.5
3.153.153.15
28
TNBSPECIFICATION
REFERENCETA-11-3-S
TABLE 11 THREE-CORE 11kV ARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1000.0940.089
Capacitance
μF/km0.340.400.48
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp213281383
In Ground at 25oCamp207270342
dc at 20oCΩ/km0.3200.2060.125
50Hz at 90oCΩ/km0.4100.2650.161
NominalArea of
Conductorssq. mm
95150240
Thicknessof
Insulationmm3.43.43.4
Thicknessof Outer Sheathmm2.83.13.4
OverallDiameter
mm63.870.581.1
Approx.Weight
kg/km579069409650
Thicknessof Extruded
Beddingmm1.51.61.8
NominalArmour
WireDiameter
mm2.52.5
3.15
BS 6622IEC 60502-2
REFERENCEGA-22-3-S
TABLE 12 THREE-CORE 22kV ARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1330.1270.1190.1130.1090.1050.1020.0980.094
Capacitance
μF/km0.1780.1940.2160.2400.2610.28
0.3030.3340.367
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp123149183221255285332391442
In Ground at 25oCamp122144176207234261297342383
dc at 20oCΩ/km0.8680.6410.4430.3200.2530.2060.1640.1250.100
50Hz at 90oCΩ/km1.11
0.8210.5690.4090.3240.2650.2110.1600.129
NominalArea of
Conductorssq. mm
35507095
120150185240300
Thicknessof
Insulationmm5.55.55.55.55.55.55.55.55.5
Thicknessof Outer Sheathmm2.82.93.03.23.33.43.63.73.9
OverallDiameter
mm62.865.569.173.177.981.185.090.295.4
Approx.Weight
kg/km587063106930767092709950
108501208013360
Thicknessof Extruded
Beddingmm1.51.51.61.71.71.81.92.02.0
NominalArmour
WireDiameter
mm2.52.52.52.53.23.23.23.23.2
TNBSPECIFICATION
REFERENCETA-22-1-N
TABLE 13 SINGLE-CORE 22kV UNARMOURED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.096
Capacitance
μF/km0.44
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp672
In Ground at 25oCamp549
dc at 20oCΩ/km0.0605
50Hz at 90oCΩ/km0.0790
NominalArea of
Conductorssq. mm
500
Thicknessof
Insulationmm5.5
Thicknessof Outer Sheath
mm4.0
OverallDiameter
mm51.3
Approx.Weight
kg/km3080
29
BS 6622IEC 60502-2
REFERENCEGC-33-3-S
TABLE 14B THREE-CORE 33kV ARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1430.1350.1280.1230.119
Capacitance
μF/km0.1550.1710.1880.2020.216
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp191234281323366
In Ground at 25oCamp189230266304338
dc at 20oCΩ/km0.3870.2680.1930.1530.124
50Hz at 90oCΩ/km0.4940.3420.2460.1960.159
NominalArea of
Conductorssq. mm
507095
120150
Thicknessof
Insulationmm8.08.08.08.08.0
Thicknessof Outer Sheathmm2.22.22.32.32.4
OverallDiameter
mm44.145.747.549.051.4
Approx.Weight
kg/km25902900326036004130
Thicknessof Extruded
Beddingmm1.21.21.21.21.3
NominalArmour
WireDiameter
mm2.02.02.02.02.5
BS 6622IEC 60502-2
REFERENCEGC-33-1-N
TABLE 14A SINGLE-CORE 33kV UNARMOURED CABLES (COPPER CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.099
Capacitance
μF/km0.35
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp961
In Ground at 25oCamp765
dc at 20oCΩ/km0.0283
50Hz at 90oCΩ/km0.0405
NominalArea of
Conductorssq. mm
630
Thicknessof
Insulationmm8.0
Thicknessof Outer Sheath
mm2.7
OverallDiameter
mm57.9
Approx.Weight
kg/km8050
30
TNB/KLIA SPECIFICATION MEDIUM VOLTAGE XLPE INSULATED POWER CABLE
BASIC CONSTRUCTION
SINGLE CORE COPPER WIRE SCREEN CABLE
CONDUCTOR - COPPER OR ALUMINIUM
CONDUCTOR SHAPE - COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
METALLIC SCREEN - COPPER WIRE SCREEN
METALLIC TAPE - LAMINATED ALUMINIUM TAPE
SHEATH MATERIAL - POLYETHYLENE
Conductor
Conductor Screen
XLPE Insulation
Insulation Screen
Semi-Conducting Swellable Tape
Metallic ScreenSeparator TapeSemi-Conducting Swellable TapeIdentification Tape
Metallic Tape
Outer Sheath
31
TNB SPECIFICATRIONKLIA/D/UTO6/O58/95
REFERENCETA-33-1-W
TABLE 15 SINGLE-CORE 33kV COPPER WIRE SCREEN CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.099
Capacitance
μF/km0.35
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp782
In Ground at 25oCamp621
dc at 20oCΩ/km0.0469
50Hz at 90oCΩ/km0.0630
NominalArea of
Conductorssq. mm
630
Thicknessof
Insulationmm9.0
Nominal ofPACW
Diametermm2.52
Thicknessof Outer Sheathmm5.0
OverallDiameter
mm71.4
Approx.Weight
kg/km7220
TNB SPECIFICATRIONKLIA/D/UTO6/O58/95
REFERENCETC-11-1-W
TABLE 17 SINGLE-CORE 11kV COPPER WIRE SCREEN CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.090
Capacitance
μF/km0.66
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp799
In Ground at 25oCamp675
dc at 20oCΩ/km0.0366
50Hz at 90oCΩ/km0.0511
NominalArea of
Conductorssq. mm
500
Thicknessof
Insulationmm3.4
Nominal ofPACW
Diametermm2.52
Thicknessof Outer Sheathmm4.0
OverallDiameter
mm54.4
Approx.Weight
kg/km8100
TNB SPECIFICATRIONKLIA/D/UTO6/O58/95
REFERENCETC-33-1-W
TABLE 16 SINGLE-CORE 33kV COPPER WIRE SCREEN CABLES (COBLES CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1120.099
Capacitance
μF/km0.220.35
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp629961
In Ground at 25oCamp540765
dc at 20oCΩ/km0.06010.0283
50Hz at 90oCΩ/km0.07850.0405
NominalArea of
Conductorssq. mm
300630
Thicknessof
Insulationmm9.09.0
Nominal ofPACW
Diametermm2.522.52
Thicknessof Outer Sheathmm5.05.0
OverallDiameter
mm71.472.1
Approx.Weight
kg/km7220
11320
TNB SPECIFICATRIONKLIA/D/UTO6/O58/95
REFERENCETA-11-1-W
TABLE 18 SINGLE-CORE 11kV COPPER WIRE SCREEN CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.0960.090
Capacitance
μF/km0.540.66
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp493672
In Ground at 25oCamp428549
dc at 20oCΩ/km0.100
0.0605
50Hz at 90oCΩ/km0.130
0.0816
NominalArea of
Conductorssq. mm
300500
Thicknessof
Insulationmm3.43.4
Nominal ofPACW
Diametermm3.002.52
Thicknessof Outer Sheathmm4.04.0
OverallDiameter
mm49.454.2
Approx.Weight
kg/km42504970
32
TNB SPECIFICATION MEDIUM VOLTAGE SINGLE-CORE XLPE INSULATEDDOUBLE-SHEATHD POWER CABLE
TNB SPECIFICATION MEDIUM VOLTAGE THREE-CORE XLPE INSULATEDDOUBLE-SHEATHD POWER CABLE
BASIC CONSTRUCTION
ConductorConductor ScreenXLPE InsulationInsulation ScreenMetallic ScreenInnersheathSeparator TapeOutersheath
Conductor
Conductor Screen
Insulation
Insulation Screen
Metallic Screen
Binder Tape
Innersheath
Separator Tape
Outersheath
CONDUCTOR - COPPER OR ALUMINIUM
MATERIAL SHAPE - COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
INNERSHEATH MATERIAL - POLYETHYLENE
OUTERSHEATH MATERIAL - POLYETHYLENE
33
TNBSPECIFICATION
REFERENCETA-11-1-DS
TABLE 19 SINGLE-CORE 11kV DOUBLE-SHEATHED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.090
Capacitance
μF/km0.66
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp672
In Ground at 25oCamp549
dc at 20oCΩ/km0.0606
50Hz at 90oCΩ/km0.0816
NominalArea of
Conductorssq. mm
500
Thicknessof
Insulationmm3.4
Thicknessof Outer Sheath
mm2.4
OverallDiameter
mm47.8
Approx.Weight
kg/km2780
TNBSPECIFICATION
REFERENCETA-22-1-DS
TABLE 20 SINGLE-CORE 22kV DOUBLE-SHEATHED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.090
Capacitance
μF/km0.66
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp672
In Ground at 25oCamp549
dc at 20oCΩ/km0.0605
50Hz at 90oCΩ/km0.0816
NominalArea of
Conductorssq. mm
500
Thicknessof
Insulationmm5.5
Thicknessof Outer Sheath
mm2.5
OverallDiameter
mm52.4
Approx.Weight
kg/km3145
TNBSPECIFICATION
REFERENCETA-11-3-T
TABLE 22 TRIPLEX 11kV XLPE INSULATED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1023
Capacitance
μF/km0.5490
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp500
In Ground at 25oCamp435
dc at 20oCΩ/km0.125
50Hz at 90oCΩ/km0.1611
NominalArea of
Conductorssq. mm
240
Thicknessof
Insulationmm3.4
Thicknessof Outer Sheathmm3.0
OverallDiameter
OverOutersheath
mm35.8
OverallDiameter
mm77.3
Approx.Weight
kg/km4680
TNBSPECIFICATION
REFERENCETA-11-3-DS
TABLE 21 THREE-CORE 11kV DOUBLE-SHEATHED CABLES (ALUMINIUM CONDUCTOR)MEDIUM VOLTAGE XLPE INSULATED POWER CABLES
Reactanceat 50HzΩ/km0.1120.1060.099
Capacitance
μF/km0.340.400.49
Electrical CharacteristicsCurrent Rating Conductor Resistance
In Air at 40oCamp238310425
In Ground at 25oCamp225288374
dc at 20oCΩ/km0.3200.2060.125
50Hz at 90oCΩ/km0.4100.2650.161
NominalArea of
Conductorssq. mm
95150240
Thicknessof
Insulationmm3.43.43.4
Thicknessof Outer Sheath
mm2.72.93.2
OverallDiameter
mm59.266.179.0
Approx.Weight
kg/km332540955565
Minimum thickness of the innersheath shall be 2.0mm
34
MEDIUM VOLTAGE XLPE INSULATED, MDPE OUTERSHEATED, TRIPLEX CABLE
BASIC CONSTRUCTION
Conductor
Conductor Screen
Insulation
Insulation Screen
Metallic Screen
Outersheath
CONDUCTOR - ALUMINIUM
MATERIAL SHAPE - COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
METALLIC SCREEN - COPPER TAPES
SHEATH MATERIAL - POLYETHYLENE
35
600/1000V XLPE INSULATED, PVC OUTERSHEATHED, QUADRUPLEX CABLE
BASIC CONSTRUCTION
Conductor
Insulation
Outersheath
CONDUCTOR - ALUMINIUM
CONDUCTOR SHAPE - COMPACTED CIRCULAR STRANDED
INSULATION - XLPE
SHEATH MATERIAL - PVC
36
TABLE A TECHNICAL DATA FOR CABLE INSTALLATION
A.1 MINIMUM BENDING RADIUS
CABLE TYPE
Unarmoured
Wire Armoured
Tape Armoured
SINGLE-CORE
20D
15D
15D
MULTI-CORE
15D
12D
12D
A.1 MINIMUM PULLING TENSION
A.3 MAXIMUM SIDE WALL PRESSURE The side wall pressure of the cable should not exceed 500kg/m.
The calculation:-
P = T/R
Where
P = Side Wall Pressure (kg/m)
T = Pulling Tension (kg)
R = Bending Radius (m)
D = Cable Overall Diameter
S = Total Cross Sectional Area of Conductors (mm2)
K = 7kg/mm2 for Copper Conductor; 4kg/mm2 for Aluminium Conductor
PULLING METHOD
Pulling Eye Attached to the Conductors
Pulling Grip Over the Cable Sheath
MAXIMUM PULLING TENSION, T IN KG
T = K x S
T = 500
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38
CALCULATION BASE FOR ELECTRICAL CHARACTERISTICS
CALCULATION BASE FOR ELECTRICAL CHARACTERISTICS
INSTALLATION CONDITIONS AND CORRECTION FACTORS FOR CONTINUOUSCURRENT RATING FOR:
1. XLPE Insulated & PVC Sheathed Cables 0.6/1kV IEC: 502
2. XLPE Insulated, Wire Armoured & PVC Sheathed Cables 0.6/1kV IEC: 502
INSTALLATIONIn Air (Ambient Temperature: 40oC) In the Ground (Ambient Temperature: 25oC)
Single-core cable Multi-core cable Single-core cable Multi-core cable70
0mm
700m
m
Ground level
Thermal resistivity120oC cm/w
15
1.22
1.07
20
1.18
1.04
25
1.14
1.0
30
1.10
0.96
35
1.05
0.92
40
1.0
0.88
45
0.95
0.83
50
0.89
0.78
55
0.84
0.73
Installation
Ambient Temperature(oC)
In Air
In the Ground
Thermal resistivity120oC cm/w
Plus 1 line
Delete this line
SHORT CIRCUIT CURRENT
XLPE PROPERTIES
Cross linked Polyethylene – (XLPE) materials are derived through processes which cause a cross-bonding activity among conventional polyethyl-ene (PE) molecules. Such cross-bonded PE matrixes, while retaining the same outstanding electrical properties as conventional PE, demon-strate, in this new form, vastly improved thermal and mechanical properties, especially with regard to high temperatures strength.
Figure 1 represents the structure of a conven-tional PE molecule. Such molecules will, in actu-ality, comprise somewhere between 1000 – 4000 carbon atoms. By causing the formation of cross-bonds (cross-linking Fig.2) between such enormous molecules, a very tough material will result (as is the case with vulcanized rubber), where only a slight deformation can possibly occur even at high temperature. This is the reason why XLPE is superior in heat resistance.
Today, there are several methods that can be applied top vulcanize polyethylene, and any one process is selected according to the kind of cable involved. For high voltage cable, chemi-cal vulcanization is used, wherein a low density polyethylene is mixed with a vulcanizing (cross-linking) agent and heated to let the chemical reaction take place.
The thermally permissible short circuit current for a Con-ductor of specified size may be calculated from the equations below. For the purposes of calculated, the standard short circuit duration period is up to 5 sec.
1. Copper conductor
2. Aluminium conductor
whereS = Conductor size (mm2)t = Short circuit (seconds)
I = 143 . S (A)t
I = 94. S (A)t
Short current limitsfor copper conductor cables(Thermal threshold)
0.1 sec0.2 sec0.5 sec1.0 sec2.0 sec
1000800
500
200
1008050
20
108
5
2
0.8
0.5
0.2
01 5 4 6 10 16 25 50 95 150 300 500 10002.5
Nominal cross-sectional area (mm2)
Cur
rent
(KA
)
Fig 1 PE
H
C
H
H
C
H
H
C
H
H
C
H
H
C
H
Fig 2 XLPE
H
C
H
H
C
H
H
C
H
H
C
H
H
C
HH
C
H
H
C
H
H
C
H
H
C
H
H
C
H
39
NUMBER &
DIAMETER
OF
STRANDS
NOMINAL
DIAMETER
OF
CONDUCTOR
NOMINAL
THICKNESS
OF
INSULATION
NOMINAL
DIAMETER OF
INSULATED
CONDUCTOR
CONDUCTOR
SIZE
NUMBER &
DIAMETER
OF
STRANDS
NOMINAL
DIAMETER
OF
CONDUCTOR
NOMINAL
THICKNESS
OF
INSULATION
NOMINAL
DIAMETER OF
INSULATED
CONDUCTOR
CONDUCTOR
SIZE
CONDUCTOR
SIZE
NUMBER &
DIAMETER
OF
STRANDS
NOMINAL
DIAMETER
OF
CONDUCTOR
NOMINAL
THICKNESS
OF
INSULATION
NOMINAL
DIAMETER OF
INSULATED
CONDUCTOR
MODULUS
OF
ELASTICITY
TEMPERATURE
COEFFICIENT
OF
EXPANSION
BREAKING
LOAD
NOMINAL
OVERALL
DIAMETER
OF CABLE
PHASE CONDUCTORS MESSENGER CONDUCTOR MESSENGER CONDUCTORS
1x16+25
3x16+25
3x95+70+16
3x185+120+16
SIZES
OF
AERIAL
BUNDLED
CABLES
3x16
3x16
3x95
3x185
7/1.78
7/1.78
19/2.60
37/2.60
4.7
4.7
11.4
16.1
1.0
1.0
1.6
2.0
6.8
6.8
14.8
20.3
1.99
1.99
0.333
0.171
-
-
16
16
-
-
7/1.78
7/1.78
-
-
4.7
4.7
-
-
1.0
1.0
-
-
6.8
6.8
-
-
1.99
1.99
25
25
70
120
7/2.34
7/2.34
19/2.14
19/2.85
7.0
7.0
10.7
14.3
1.2
1.2
1.4
1.6
9.5
9.5
13.8
17.6
1.430
1.430
0.511
0.322
6 000
6 000
5 700
5 700
2.30E + 05
2.30E + 05
2.30E + 05
2.30E + 05
8.44
8.44
19.6
33.6
(No/mm & sq.mm) (sq.mm) (No./mm) (mm) (mm) (mm) (Ω/km) (sq.mm) (No./mm) (mm) (mm) (mm) (Ω/km) (sq.mm) (No./mm) (mm) (mm) (mm) (Ω/km) (kg/sq.mm) (1/oC) (kN) (mm)
16.4
23.3
43.5
58.2
TNBSPECIFICATION
TABLE 1 LOW VOLTAGE AERIAL BUNDLE CABLE (ALUMINIUM)
CURRENT RATING
1x16+25
3x16+25
3x95+70+16
3x185+120+16
(No/mm & sq.mm)
SIZES
OF
AERIAL
BUNDLED
CABLES
CONTINUOUS CURRENT RATING
WITH AN AMBIENT TEMPERATURE
OF 30oC
0.1 SEC
MAXIMUM PERMISSIBLE
SHORT-TIME CURRENT
AT:
(A)
(kA)
97.7
71.5
186
275
3.65
3.65
21.7
42.2
0.5 SEC
1.63
1.63
9.70
18.9
1 SEC
1.15
1.15
6.86
13.4
3 SEC
0.67
0.67
3.96
7.71
PHYSICAL PROPERTIES AND DIMENSIONS
BASIC CONSTRUCTION
1. Insulated Phase Conductor
2. Insulated Messenger
3. Insulated Street Lighting Conductor
MAX. AC
RESISTANCE
AT 30oC
MAX. AC
RESISTANCE
AT 30oC
MAX. AC
RESISTANCE
AT 30oC
40
NUMBER &
DIAMETER
OF
STRANDS
NOMINAL
DIAMETER
OF
CONDUCTOR
NOMINAL
THICKNESS
OF
INSULATION
CONDUCTOR
SIZE
PHASE CONDUCTORS MESSENGER CONDUCTORS
3x50+50
3x70+50
SIZES
OF
AERIAL
BUNDLED
CABLES
3x50
3x70
7/3.06
19W
8.09
9.73
3.4
3.4
0.641
0.443
0.300
0.338
0.133
0.123
50
50
7/3.00
7/3.00
(No/mm & sq.mm) (sq.mm) (No./mm) (mm) (mm)
NOMINAL
DIAMETER OF
INSULATED
CONDUCTOR
18.5
20.1
(mm) (Ω/km)
TNBSPECIFICATION
TABLE 2 11kV AERIAL BUNDLED CABLE (ALUMINIUM)
CURRENT RATING
3x50+50
3x70+50
(No/mm & sq.mm)
SIZES
OF
AERIAL
CABLES
0.1 SEC
MAXIMUM PERMISSIBLE
SHORT-TIME CURRENT
AT:
(A)
(kA) (kA)
140
175
4.5
6.5
3 SEC
2.6
3.7
0.1 SEC
1.78
1.94
3 SEC
1.03
1.12
PHYSICAL PROPERTIES AND DIMENSIONS
0.822
0.443
(Ω/km)
EQUIVALENT
STAR
CAPACITANCE
(Ω/km)
STAR
REACTANCE
AT 50Hz
(Ω/km)
CONDUCTOR
SIZE
(sq.mm)
NUMBER &
DIAMETER
OF
STRANDS
(No./mm)
9.0
9.0
NOMINAL
DIAMETER
OF
CONDUCTOR
(mm)
1280
1280
MINIMUM
TENSILE
STRENGTH
(N/mm2)
MINIMUM
ELONGATION
(%)
MINIMUM
ZINC
COATING
(g/mm2)
NOMINAL
OVERALL
DIAMETER
OF CABLE
(mm)
3.5
3.5
240
240
52.8
56.3
(mV/A.m)
1.665
1.162
MAX. DC
RESISTANCE
AT 20oC
MAX. AC
RESISTANCE
AT 90oC
CONTINUOUS CURRENT RATING
WITH AN AMBIENT TEMPERATURE
OF 30oC
COPPER TAPE EARTH FAULT RATING
AT INITIAL TEMPERATURE : 75oCAT FINAL TEMPERATURE : 180oC
MAXIMUMVOLTAGE DROP
AT 90oC FOR1 PHASE CIRCUIT
BASIC CONSTRUCTION
1. Conductor2. Conductor Screen3. Insulation4. Insulation Screen5. Messenger
6. Metallic Screen
7. Oversheath
41
NUMBER &
DIAMETER
OF
STRANDS
NOMINAL
DIAMETER
OF
CONDUCTOR
NOMINAL
THICKNESS
OF
INSULATION
CONDUCTOR
SIZE
PHASE CONDUCTORS MESSENGER CONDUCTORS
3x50+50
3x150+50
3x185+50
SIZES
OF
AERIAL
BUNDLED
CABLES
3x50
3x150
3x185
7/3.06
37W
37W
8.09
14.40
16.10
8.0
8.0
8.0
0.641
0.206
0.164
0.158
0.221
0.238
0.156
0.127
0.122
50
50
50
7/3.00
7/3.00
7/3.00
(No/mm & sq.mm) (sq.mm) (No./mm) (mm) (mm)
NOMINAL
DIAMETER OF
INSULATED
CONDUCTOR
29.3
35.6
37.3
(mm) (Ω/km)
TNBSPECIFICATION
TABLE 3 33kV AERIAL BUNDLED CABLE (ALUMINIUM)
CURRENT RATING
3x50+50
3x150+50
3x185+50
(No/mm & sq.mm)
SIZES
OF
AERIAL
CABLES
0.1 SEC
MAXIMUM PERMISSIBLE
SHORT-TIME CURRENT
AT:
(A)
(kA) (kA)
165
315
355
4.5
14.0
8.1
3 SEC
2.6
17.5
10.1
0.1 SEC
2.82
3.56
3.73
3 SEC
1.63
2.05
2.15
PHYSICAL PROPERTIES AND DIMENSIONS
0.822
0.205
0.211
(Ω/km)
EQUIVALENT
STAR
CAPACITANCE
(Ω/km)
STAR
REACTANCE
AT 50Hz
(Ω/km)
CONDUCTOR
SIZE
(sq.mm)
NUMBER &
DIAMETER
OF
STRANDS
(No./mm)
9.0
9.0
9.0
NOMINAL
DIAMETER
OF
CONDUCTOR
(mm)
1280
1280
1280
MINIMUM
TENSILE
STRENGTH
(N/mm2)
MINIMUM
ELONGATION
(%)
MINIMUM
ZINC
COATING
(g/mm2)
NOMINAL
OVERALL
DIAMETER
OF CABLE
(mm)
3.5
3.5
3.5
240
240
240
79.3
89.6
93.3
(mV/A.m)
1.673
0.587
0.487
MAX. DC
RESISTANCE
AT 20oC
MAX. AC
RESISTANCE
AT 90oC
CONTINUOUS CURRENT RATING
WITH AN AMBIENT TEMPERATURE
OF 30oC
COPPER TAPE EARTH FAULT RATING
AT INITIAL TEMPERATURE : 75oCAT FINAL TEMPERATURE : 180oC
MAXIMUMVOLTAGE DROP
AT 90oC FOR1 PHASE CIRCUIT
BASIC CONSTRUCTION
1. Conductor2. Conductor Screen3. Insulation4. Insulation Screen5. Messenger
6. Metallic Screen
7. Oversheath
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