CU/XLPE/LAS/HDPE 38/66kv 1× 240mm2 power cable
Basic Info
Model No.: YJVQ03
Product Description
1. GENERAL
This listed specification covers the structure, performance, test and packing information of HV power cable as manufactured by Beijing Huayuan Gaoke Cable Co., Ltd.
Matters not mentioned in this technical specification shall be negotiated by purchaser & supplier. This document confirms the two parties agreement as technical agreement of contract unless otherwise in official written annexes.
2. APPLICALBE STANDARDS
The cable which TBEA offered shall be designed, manufactured and tested according to international standards as follows:
| Quality Control Standard | |
| ISO 9001 | Quality Management Systems |
| ISO 14001 | Environmental Management Systems |
| Component Material Standard | |
| IEC 60228 | Conductors of insulated cables |
| Cable Standard | |
| AS/ NZS 1429.2 | AS/NZS 1429.2:1998 Australian/New Zealand Standard Electric cables-Polymeric insulated Part 2: For working voltages above 19/33 (36) kV up to and including 76/132 (145) kV |
3. CABLES STRUCTURE FOR 1C*240 MM2 CABLE
CU/XLPE/LAS/HDPE 38/66(72.5) kV 1× 240 mm2
| Construction | Nominal Thickness(mm) | Nominal Diameter(mm) |
| 1.Copper conductor | 37/2.97 | 18.4±0.2 |
| 2.Semi-conductive tape | 0.14 | 19.0 |
| 3.Conductor screen (wrapping + extruding) | 1.2 | 20.8 |
| 4.XLPE insulation | 12.0 | 44.8(-1.5,+1.5) |
| 5.Insulation screen | 1.0 | 46.8 |
| 6.Semi-conductive water blocking tape | 2.0 | 48.8 |
| 7.Lead alloy sheath | 1.8 | 52.4 |
| 8.Anti-corrosive layer (Asphalt) | 0.25 | 52.9 |
| 9.Outer sheath | 4.0 | 60.9 |
| 10. Graphite coating |
| 60.9±3.0 |
4. GUARANTEED TECHNICAL PARTICULARS
| No | DESCRIPTION | UNIT | VALUEREQUIRED |
| 1 | Manufacturer |
| Beijing Huayuan Gaoke Cable Co.,Ltd. |
| 2 | Cable size | mm2 | 240 |
| 3 | Cable type |
| CU/XLPE/LAS/HDPE |
| 4 | Voltage Grade(U0/U(Um) | KV | 38/66(72.5) |
| 5 | Reference Standard |
| AS/NZS 1429.2 |
| 6 | No. and cross sectional area of conductor |
| 1C 240sqmm |
| 7 | Conductor material |
| Copper |
| 8 | Shape |
| Circular compact stranded |
| 9 | Nominal diameter of conductor | mm | 18.4 |
| 10 | Conductor Screen materials |
| Simi-conduction tape + Extruded semi-conducting compound |
| 11 | Nominal thickness of conductor screen | mm | 1.2(lapping +extrusion) |
| 12 | Insulation material |
| XLPE |
| 13 | Nominal thickness of insulation | mm | 12.0 |
| 14 | Nominal diameter over insulation | mm | 44.8 |
| 15 | Insulation screen material |
| |
| 16 | Nominal thickness of insulation screen | mm | 1.0 |
| 17 | Metallic Sheath |
| Lead alloy |
| 18 | Nominal thickness or diameter of metallic | mm | 1.8 |
| 19 | Short circuit current rating(t=1.0sec) |
|
|
|
| Of conductor | kA | 34.3 |
|
| Of metal sheath | kA | 7.7 |
| 20 | Outer sheath material |
| HDPE |
| 21 | Nominal thickness of outer sheath | mm | 4.0 |
| 22 | Nominal overall diameter of cable | mm | 60.9 |
| 23 | Approx. weight of cable | Kg/km | 8160 |
| 24 | Minimum bending radius | mm | 1520 |
| 25 | Max.D.C. Conductorresistanceat20`C | Ω/km | 0.0754 |
| 26 | Nominal capacitance per phase | uF/km | 0.174 |
| 27 | Max. current rating in air( temperature 35° C and , 1 circuit ,phase spacing 1 time diameter cable, trefoil formation) | A | 528(a point earthed or cross connected) |
| 28 | Max. current rating in ground(a point earthed or cross connected) | A | 512 (depth of laying 1200 mm ,thermal resistivity of soil 1.2 k.m/W,25℃) |
| 29 | Max. conductor temperature on continuous | ℃ | 90 |
| 30 | Max. conductor temperature in short circuit | ℃ | 250(not exceed 5s) |
5.TEST REQUIREMENTS FOR HV POWER CABLES
The cable testing shall be conducted in accordance with applicable standard of 66 kV Power Cables. The following test items shall be carried out in accordance with relevant AS 1660 standards.
| No. | Test item |
| Routine tests | |
| 1 | conductor examination electrical resistance |
| 2 | Thickness of extruded screen ;projection or irregularities at conductor screen/insulation interface |
| 3 | Insulation thickness and concentricity |
| 4 | Partial discharge test |
| 5 | High voltage AC. Test for 30min |
| 6 | Spark test of non-metallic sheath |
| Sample tests | |
| 1 | Insulation shrinkage |
| 2 | Insulation impurity determination |
| 3 | Hot set test for XLPE insulation |
| 4 | measurement of thickness of metal sheath |
| 5 | measurement of thickness of insulation and non-metallic sheath |
| 6 | Heat shock (PVC only) |
6. PACKING PARTICULARS FOR 66 KV POWER CABLES
The cables shall be wound on non-returnable steel drums. The indelible marking shall be printed on the surface of drum flange in accordance with customer requirements.
| Cable Type | Drum length(m) | Drum Dimensions (mm) | |||
| D | d | b | B | ||
| CU/XLPE/LAS/HDPE-38/66kV-1C*240mm2 | 750 | 2500 | 1600 | 1650 | 1900 |
Factory and Equipment
Package
Honor
Product Categories : High Voltage Power Cable