38/66kv High Voltage Power Cable

Overview Specifications

CONSTRUCTION PARAMETER

Overview

APPLICATION

These high voltage cables are designed for installation mostly in power supply stations, indoors and in cable ducts, outdoors, underground and in water as well as for installation on cable trays for industries, switchboards and power stations.

STANDARD

IEC 60840, IEC 62067

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CABLE DATASHEET

38/66kV

IEC 60840, IEC 62067

POWER STATION
INDUSTRIAL USE
UNDERSEA USE

N/A

Specifications

ELECTRICAL PERFORMANCE

38/66kV

STANDARD

IEC 60840, IEC 62067

APPLICATION

POWER STATION
INDUSTRIAL USE
UNDERSEA USE

CORE IDENTIFICATION

N/A

CHEMICAL PERFORMANCE

Chemical & Oil resistance:Good

MECHANICAL PERFORMANCE

Minimum bending radius:x20 cable diameter

FIRE PERFORMANCE

Flame non-propagation base on and IEC 60332-1
Reduced emission of halogens chlorine＜15%

THERMINAL PERFORMANCE

Maximum service temperature:90℃
Maximum short-circuit temperature:250℃(max. 5s)
Minimum service temperature:-40℃

Other Properties

APPROVALS

N/A

INSTALLATION CONDITIONS

OPEN AIR
BURIED
IN CONDUIT

CABLE MARKING

OIL INK PRINTING

PACKAGING

FULL STEEL REEL/DRUM RECOMMENDED

CONSTRUCTION

1. Conductor:

Copper

2. Conductor screen:

Semi-conducting compound

3. Insulation:

XLPE

4. Insulation screen:

Semi-conducting compound

5. Binder tape:

Semi-conducting tape

6. Metal sheath:

Corrugated Aluminum Sheath or Lead Sheath or Aluminum Laminated Tape

7. Outer sheath:

PE or PVC

PARAMETER

Table 1

Table 2

Table 3

38/66 (72.5) kV with Corrugated Aluminum Sheath
Continuous Current Ratings for Single Circuit (A)
Cross Sectional Area (mm2)	Direct Buried	Pipe Duct	In Air
Cross Sectional Area (mm2)	Direct Buried	Pipe Duct	Trefoil	Flat (S=2D)
240	524	491	598	671
300	592	556	682	770
400	671	631	781	888
500	762	714	894	1025
630	878	808	1023	1187
800	965	928	1150	1355
1000	1119	1075	1361	1615
1200	1198	1146	1460	1745
1600	1352	1357	1654	2030
2000	1468	1475	1800	2273

Conductor			Thickness of Conductor Screen (Approx.)	Thickness of Insulation	Thickness of Insulation Screen (Approx.)	Thickness of Aluminum Sheath	Thickness of Outer Sheath	Outer Dia. of Cable (Approx.)	Weight of Cable (Approx.)	Max. DC Conductor Resistance at 20°C	Capacitance
Cross Sectional Area	Shape	Dia.	Thickness of Conductor Screen (Approx.)	Thickness of Insulation	Thickness of Insulation Screen (Approx.)	Thickness of Aluminum Sheath	Thickness of Outer Sheath	Outer Dia. of Cable (Approx.)	Weight of Cable (Approx.)	Max. DC Conductor Resistance at 20°C	Capacitance
mm2		mm	mm	mm	mm	mm	mm	mm	kg/km	Ω/km	μF/km
240	Compact Round Stranded	18.1	1.0	11.0	1.0	1.6	3.5	69	5500	0.0754	0.20
300		20.4	1.0	11.0	1.0	1.6	3.5	72	6300	0.0601	0.21
400		23.2	1.0	11.0	1.0	1.7	3.5	75	7200	0.0470	0.23
500		26.3	1.0	11.0	1.0	1.8	4.0	79	8600	0.0366	0.25
630		30.2	1.0	11.0	1.0	1.8	4.0	83	10100	0.0283	0.28
800		34.0	1.0	11.0	1.0	1.9	4.0	87	12000	0.0221	0.30
1000	Segment Stranded (Miliken)	38.7	1.0	11.0	1.0	2.0	4.0	92	14400	0.0176	0.33
1200		41.8	1.0	11.0	1.0	2.1	4.5	98	16700	0.0151	0.36
1600		48.1	1.0	11.0	1.0	2.2	4.5	105	20900	0.0113	0.40
2000		54.3	1.0	11.0	1.0	2.4	4.5	112	25400	0.0090	0.44

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38/66 (72.5) kV with Lead Sheath
Continuous Current Ratings for Single Circuit (A)
Cross	Direct	Pipe Duct	In Air
Sectional	Buried		In Air
Area (mm2)			Trefoil	Flat (S=2D)
240	535	525	621	706
300	606	567	710	810
400	691	646	822	942
500	787	733	951	1098
630	898	833	1096	1274
800	1008	958	1243	1462
1000	1184	1121	1505	1759
1200	1282	1208	1648	1938
1600	1469	1434	1906	2282
2000	1626	1585	2130	2597

Conductor			Thickness of Conductor Screen (Approx.)	Thickness of Insulation	Thickness of Insulation Screen (Approx.)	Thickness of Lead Sheath	Thickness of Outer Sheath	Outer Dia. of Cable (Approx.)	Weight of Cable (Approx.)	Max. DC Conductor Resistance at 20°C	Capacitance
Cross Sectional Area	Shape	Dia.	Thickness of Conductor Screen (Approx.)	Thickness of Insulation	Thickness of Insulation Screen (Approx.)	Thickness of Lead Sheath	Thickness of Outer Sheath	Outer Dia. of Cable (Approx.)	Weight of Cable (Approx.)	Max. DC Conductor Resistance at 20°C	Capacitance
mm2		mm	mm	mm	mm	mm	mm	mm	kg/km	Ω/km	μF/km
240	Compact Round Stranded	18.1	1.0	11.0	1.0	2.1	3.5	62	8100	0.0754	0.20
300		20.4	1.0	11.0	1.0	2.2	3.5	64	9100	0.0601	0.21
400		23.2	1.0	11.0	1.0	2.3	3.5	67	10500	0.0470	0.23
500		26.3	1.0	11.0	1.0	2.4	4.0	72	12500	0.0366	0.25
630		30.2	1.0	11.0	1.0	2.4	4.0	76	14200	0.0283	0.28
800		34.0	1.0	11.0	1.0	2.6	4.0	80	16900	0.0221	0.30
1000	Segment Stranded (Miliken)	38.7	1.0	11.0	1.0	2.7	4.0	85	19900	0.0176	0.33
1200		41.8	1.0	11.0	1.0	2.8	4.5	91	23000	0.0151	0.36
1600		48.1	1.0	11.0	1.0	3.0	4.5	97	28000	0.0113	0.40
2000		54.3	1.0	11.0	1.0	3.2	4.5	104	33400	0.0090	0.44

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38/66 (72.5) kV with Aluminum Laminated Tape
Continuous Current Ratings for Single Circuit (A)
Cross	Direct	Pipe Duct	In Air
Sectional	Buried		In Air
Area (mm2)			Trefoil	Flat (S=2D)
240	530	483	606	692
300	599	544	693	795
400	683	616	802	925
500	780	729	929	1075
630	886	828	1066	1247
800	997	929	1210	1432
1000	1173	1087	1473	1728
1200	1270	1173	1611	1894
1600	1465	1375	1883	2245
2000	1627	1530	2111	2556

Conductor			Thickness of Conductor Screen (Approx.)	Thickness of Insulation	Thickness of Insulation Screen (Approx.)	Dia. & No. of Copper Wires	Thickness of Outer Sheath	Outer Dia. of Cable (Approx.)	Weight of Cable (Approx.)	Max. DC Conductor Resistance at 20°C	Capacitance
Cross Sectional Area	Shape	Dia.	Thickness of Conductor Screen (Approx.)	Thickness of Insulation	Thickness of Insulation Screen (Approx.)	Dia. & No. of Copper Wires	Thickness of Outer Sheath	Outer Dia. of Cable (Approx.)	Weight of Cable (Approx.)	Max. DC Conductor Resistance at 20°C	Capacitance
mm2		mm	mm	mm	mm	mm	mm	mm	kg/km	Ω/km	μF/km
240	Compact Round Stranded	18.1	1.0	11.0	1.0	1.2×40	3.5	58	4400	0.0754	0.20
300		20.4	1.0	11.0	1.0	1.2×40	3.5	60	5100	0.0601	0.21
400		23.2	1.0	11.0	1.0	1.2×40	3.5	63	5900	0.0470	0.23
500		26.3	1.0	11.0	1.0	1.2×40	4.0	66	7200	0.0366	0.25
630		30.2	1.0	11.0	1.0	1.2×40	4.0	71	8600	0.0283	0.28
800		34.0	1.0	11.0	1.0	1.2×40	4.0	75	10400	0.0221	0.30
1000	Segment Stranded (Miliken)	38.7	1.0	11.0	1.0	1.2×40	4.0	80	12700	0.0176	0.33
1200		41.8	1.0	11.0	1.0	1.2×40	4.5	85	14700	0.0151	0.36
1600		48.1	1.0	11.0	1.0	1.2×40	4.5	91	18700	0.0113	0.40
2000		54.3	1.0	11.0	1.0	1.2×40	4.5	97	22700	0.0090	0.44

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38/66KV HIGH VOLTAGE POWER CABLE