Steel wire armour when terminating 11kv cables with heat shrink cable terminations there is a requirement to ensure safe earthing and termination of the armour wires swa steel wire armour using cable glands, commonly referred to as tophat cable glands. How to make termination joint of 11kv 3 core xlpe cable this video is explains the complete procedure of cable termination joint. Here youll find a range of products for the power cable accessories market which has now grown to reflect the broader range of materials used by our core customer base across all industry sectors. Cable terminations cable boxes suitable for 1 x 3c x 300 sq mm xlpe cable with right angle cable termination protectors. Next comes the short circuit current of the system, for a 240 volts single phase system, design short circuit is 6ka, for 11kv it is up to 25 ka and 33 kv it is up to 70 ka. Power cable installation guide figure f5 multiple sheaves figure f6 sheave arrangements for feeding into cable tray training radius the training radius is the final positioning of cable ends after the cable has been placed in the raceway. When the core is removed, the rubber provides a constant inward pressure on the cable, forming a seal which expands and contracts with variations in temperature and load. Installation instruction esd4871au509 termination for. Full 11kv lv hv cable jointing course overhead line. Single core termination kits are supplied with all the necessary components for 3 single core. The cable shall be suitable for laying underground with uncontrolled back fill and chances of flooding by water and suitably designed by the addition of chemicals in the outer sheath to. Single core and three core polymeric cables shall be used in accordance with the policies. Full technical specifications are available in pdf for download. Our portfolio of wpd cables in 11kv and 33kv as well as low voltage waveform cables and accompanying cable glands, cable jointing, and cable termination kits are available for immediate despatch from our distribution centre.
Ns129 11kv joints and terminations paper insulated. Enhancing the reliability of cable networks cable accessories. Due to physical limits on types of cables basics of stress control approach. Cable testing facility without disconnecting the cable terminations, cable joints and terminal protectors on the bushings. The terminations may be outdoor, mounted on a pole or indoor type in a screened enclosure. Pdf 11kv terminations 3 core xlpe epr heat shrink cable terminations. Raychem heatshrinkable medium voltage terminations ixsu. Cable termination and connection to rmu 11kv 35mm cable termination and connection to rmu 11kv 185mm cable cable termination and connection to rmu 11kv 400mm cable 400mm 1 1 hard copy uncontrolled siemens 8djh rmu a original issue drawn date passed approved ergon energy corporation ltd abn 50 087 646 062 dwg sh file. Euromold provides a complete range of accessories for underground cables. Is there any deterioration of the good control cable termination, which will be an indication that a similar fault will develop in the other cables associated with the failed one.
Specifications and standards meets the requirements of cenelec hd 629. Were here to save you time, money and effort, and to leave you free to run your business. Heat shrink high voltage hv cable terminations 11kv 33kv. Sps 11kv 33kv indoor hv cable terminations heat shrink sps 11kv 33kv outdoor hv cable terminations heat shrink sps heat shrink single core and 3 core cable terminations up to 33kv are tested and qualified as outlined in cenelec standards hd 628 s1 and 629. Four way 11kv nonextensible ring main unit compact switchgear. Energy division corona group threecore breakout installed at end of cable oversheath otherwise, installation steps are the same as for three single core terminations the raychem termination system. Mv cable accessories installation best practice pdf ensto. High voltage cable jointing is a specialist service offered by ward operations. Ordering instructions select the part number corresponding to both the system voltage and the cable insulation diameter in mm.
Raychem heatshrinkable medium voltage terminations ixsufoxsuf are widely acknowledged in the industry and feature an unique integrated znobased stress control system, flexibility of usage for crimp or mechanical lugs, unlimited shelf life and rangetaking kits. To know how to calculate the voltage drop in a cable you can read our blog how to create cable schedule for a project. For pole top applications, we can supply raychem termination oxsuf along with polymeric support. Draft network standard ns177 11kv joints including. Ns129 11kv joints and terminations paper insulated lead covered cables amendment no 3. Inspect bolted electrical connections for high resistance using one of the following methods. Cable section with or without joint termination 2 no pressure test. Power cable accessories under the wellestablished brand name raychem, raychem rpg offers a comprehensive range of cable accessories for almost all cable types. The tender shall be on the basis of a lump sum contract based. Investigation of a failed 11kv cable termination from location x. Hv cable terminations 11kv heat shrink termination failure. Practical hv cable jointing and terminations for engineers.
First steps to reliability cable cleats, cable joints. The specification for manufacture of cable shall be conforming to is. Contractor shall take back all the cable drums from site after successful laying, testing and commissioning of cables. To avoid this, we control the equipotential lines by installing a termination with a stress cone fig. These cold shrink terminations are lightweight for either free. Euromold is also the manufacturer of electrical components for the high voltage accessories of the. Dec 03, 2018 technical specifications the heating cable shall consist of two 16 awg or larger nickelplated copper bus wires, embedded in a selfregulating polymeric core that controls power output so that the cable can be used directly on plastic or metallic pipes. How to calculate size of a cable for 11kv or 33kv line. Raychem power cable accessories have over 40 years of design life which has been proven by longterm ageing tests and as has been witnessed in the field. Medium voltage termination selector 3m united states. A cost effective alternative solution to heat shrink cable joints. Heatshrinkable terminations for three core pilcpicas cables, are used by power utilities and in industrial applications.
Outdoor termination application a kit of 3 terminations for use outdoors and exposed to prolonged sunshine and other weather conditions. Projects product 11kv433v mobileskid mounted substation sheet 4 of 46 cable shall be secured properly in the compact substation with suitable support. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit. Cable jointing the skills re q u i red of a 11kv cable jointer. Raychem heatshrinkable medium voltage terminations ixsuf. When terminating 11kv cables with heat shrink cable terminations there is a requirement to ensure safe earthing and termination of the armour wires swa steel wire armour using cable glands, commonly referred to as tophat cable glands. Feb 2012 brief summary the failure of a 2kv cable termination at a large london substation in november 2011 led to the installation of an ipec asm permanent pd monitor on the 2kv cable earths in january 2012 prior to reenergisation. Area 51 experienced the failure of an 11kv cable termination at its secret location in november 2011. High voltage xlpe cable systems techincal user guide brugg cables page 3 1. This includes the 11kv triplex formation cable for ukpn. High voltage xlpe cable systems technical user guide.
Ns129 11kv joints and terminations paper insulated lead. Investigation of a failed 11kv cable termination from. Raychem heatshrinkable medium voltage terminations ixsuf oxsuf. China cable termination kits china indoor termination kit china xlpe cable termination kits.
The terminations will make sure that equipotential lines are. Commissioning tests for hv underground cables up to 33kv swp page 5 of standard work practice sp0407 ver 16 ergon energy corporation limited abn 50 087 646 062 this test is required for xlpe and paper lead cables. Inspect exposed sections of cables for physical damage. System maintenance and repair are also substantial factors in overall cost.
Qtii and qtiii cold shrink silicone rubber is specifically formulated as a high trackresistant material with hydrophobicity water repelling action to virtually ensure a long life expectancy. When the length of the circuit exceeds the capacity of a cable drum, joints. These limits should not be used for cables subjected to pulling tensions during installation. Shrink the tubing down starting at the screen cut using a. Included are deadbreak separable connectors elbows and ancillary. While every care is taken to ensure that the information contained in this publication is correct, no legal responsibility can be accepted. Best practice for the installation of medium voltage cable accessories. Single core cable overhead terminations are also permitted in accordance with the requirements of the next paragraph. Procedure of products a z below is an az of the cable jointing products and supplies which we have available. This video will show you various steps that are involved in medium voltage mv cable termination. Overhead line appreciation objectives delegates attending this course will be given.
How to make termination joint to the 11kv 3 core xlpe cable. It may be prudent in certain circumstances to pressure test the cable section prior to connection to the system where it is considered appropriate to do so. Nexans srdi terminations are manufactured from highquality materials which ensure longterm performance and the highest. The complete itk termination kit comprises the following components. Jointing tech host a wide range of cable accessory. The copper wire screened cable is 12 kv, 150 mm2 stranded aluminium.
Ns177 11kv joints including transition joints and terminations polymeric insulated cables amendment no 0 nw000s0101 uncontrolled if printed page 2 of 99. Below are pictures and comments on several findings from recent 11kv cable termination inspections. The cable shall be of the paper insulated lead sheathed cable pilc type in conformity with nrs 0 and sans 97. Screened separable connectors for terminating cable to equipment via standardised. Courses available in low voltage, medium voltage and high voltage products.
Western power distribution cables for nextday delivery. Raychem heatshrinkable medium voltage terminations ixsufoxsuf. Spen policy is for the exclusive use of polymeric cables in new construction, diversion and repair works. This specification includes heat shrink, cold shrink and cold applied joints and terminations for lv, 11kv, 22kv and 33kv cable. Heat shrinkable nexans 11kv33kv srdi termination kits suitable for threecore medium voltage mv polymeric xlpe and epr insulated cables within an enclosed indoor environment, i. Furthermore, we produce associated joints, terminations and other accessories for all types of cables. The products are designed to work together as a cable system. Ausgrid maintains a copy of this and other network standards together with updates and. Electricity network safety management system manual. Any system is only as good as the weakest link, a joint or termination failure could bring down the. General information on high voltage cable systems 1. The termination is made from prestretched rubber wrapped around a core. Iii termination but without a few of the timesaving features that the qtiii termination posesses.
As medium voltage cable specialists, our experts in the cable lab can advise on the most appropriate cable for your application and the correlating accessories for the installation environment. The 11kv enclosure has heavy duty machined hinges with lift off cover padlockable cover and can be 200mm or 300mm deep. For cable box applications, the raychem termination ixsuf can be combined with either raychem elastomeric bushing boot rcab or raychem insulated connection system rics to fit most types of switchgear bushing currently available. Procedure of xlpe cable jointing procedure armoured cable. To connect polymeric insulated cable to equipment and for the outdoor terminating on to overhead lines or busbars. For use indoor in controlled environmental conditions. First steps to reliability xlpe cable preparation controlling the initial installation costs of any power system is critical to operating companies and contractors alike. Nps002015 technical specification for 11kv and 20kv.
Hv high voltage heat shrink 11kv 33kv cable termination features. Distance 250m 500m m 2000m cable size m 11kv or less 400mm2 250 125 60 30 185 240mm2 300 150 75 37. Compare cable data with drawings and specifications. Abb xlpe land cable systems 3 introduction interfaces you can trust abb manufactures land and submarine power cables up to the highest voltages available. A set of 3 indoor terminations for a 24 kv, 150 mm2 stranded aluminium cable with copper wire screen is requested, without cable lugs. Jul 08, 2017 how to make termination joint of 11kv 3 core xlpe cable this video is explains the complete procedure of cable termination joint. Terminations onto overhead lines shall normally be via three core polymeric cables. Fully impregnated, general purpose, single core cables of rated voltages 3,86,6kv, 6. Terminations making permanent connections between cable and electrical equipment or overhead line, screened separable connectors for terminating cable to.
Heat shrinkable nexans 11kv 33kv srdi termination kits suitable for threecore medium voltage mv polymeric xlpe and epr insulated cables within an enclosed indoor environment, i. Phasing will be achieved by crossing the single core cables before they enter the joint or cable box. Mar, 2016 a time lapse video showing a set of 630mm2 33kv xlpe cable terminations being carried out at height. All terminations meet or exceed ieee 48 requirements. Abtech dpjb high voltage hv cable junction boxes are manufactured from 316l stainless steel and can be configured as through box or with inout connectors at same end.
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