We are a privatelyheld, americanowned electrical connector manufacturer with 120 years of service to the electrical industry. The table below has the earth fault duty of the hv cables used by ergon energy. They are designed for cables with internal ground wires for indoor applications. Raychem heatshrinkable medium voltage terminations ixsu. Scheduleb7 gtp for ht cable 3 core, 11 kv schedulec7 gtp for ht cable 3 core, 11 kv to be filled. It complies with iec 62271209 standard, which essentially specifies the interfaces between the termination and the switchgear. Raychem cable terminations for up to 1 kv are acknowledged to be more reliable and. A medium voltage insulated cable circuit consists of three single core cables or one three core cable with terminations at each end to connect it to the transformer or switchgear in the network.
Page 163 cable cleats, cable joints, cable terminations, cable. We are one of the wellknown service providers of ht cable termination services. May 14, 2014 sps 11kv heat shrink cable joints are tested and specified to joint high voltage 3 core power cables with xlpe or epr insulation and steel wire armour swa and steel wire braid gswb cable. Some cables, the bare conductor is connected to the to a terminal strip or terminal board or block. Raychem cable jointing kits buy and check prices online. Price list 1 cable jointing kits distributors, cable. More than a connector company, ilsco is a connections company. All terminations meet or exceed ieee 48 requirements. The general voltage levels covered by this publication are.
Addon kits for dry plug inswitchgear and transformer terminations. The supplied length of cable is not sufficient to perform the intended job, e. A termination intended for use where it is not protected from direct exposure to either solar radiation or precipitation. Retardant lsoh sheathed ht xlpe cables are also manufactured. Method statement for installation of high voltage hv.
How to make termination joint of 11kv 3 core xlpe cable this video is explains the complete procedure of cable termination joint. The two standard types of machines are the squirrel cage, with square steel bars, and the abrasive grit type. Hv cable joints terminations high voltage 11kv 33kv heat. Autocad format and manuals in pdf format, for offered item shall be. The fist step for the cabling system is selection of cable sizes. These sealing ends are also called terminations or terminals. There are many reasons why a cable may fail in service. Technical note voltage cable splicing and cable termination. There was also erosion and melting of the cable bracket metal due to heavy arcing activity, probably prior to cable failure. Nexans olex is a world leader in cable technology and production andhas manufacturing facili ties in new plymouth and melbourne. The products are designed to work together as a cable system. Specification for cable accessories, termination and jointing materials for underground electrical power cables for nominal system voltage up to 33kv check this is the latest process zone version before use.
Sps 11kv heat shrink cable joints are tested and specified to joint high voltage 3 core power cables with xlpe or epr insulation and steel wire armour swa and steel wire braid gswb cable. Raychem cable accessories have been used by utilities and industrial companies. Contractor shall take back all the cable drums from site after successful laying, testing and commissioning of cables. Wire, cable, and terminations wct 1design guidelines and standards basis of design this section applies to the design and installation of wire and cable systems and terminations. Saw the cable to produce a square end procedure this leaflet shows the procedure for fitting a complete termination on an aei mineral insulated cable. 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 be protected against rodent and termite attack. Although there is more than one way to construct a cable and no one standard to which all vendors will adhere, most cables tend to have common characteristics.
For pole top applications, we can supply raychem termination oxsuf along with polymeric support. High voltage xlpe cable systems techincal user guide brugg cables page 3 1. High voltage xlpe cable systems technical user guide. Our offered service is a very cost effective solution for the termination of high tension electrical cables and leads. General information on high voltage cable systems 1. Practical hv cable jointing and terminations for engineers. May 14, 2017 its what you do with the end of a cable. Its how the connection is made between the cable and the equipment or junction.
Each site has been designed to efficiently manufacture specific product groups to cater for the needs of the. Pdf in norway, there are 6000 to 7000 oilfilled highvoltage cable terminations in the transmission network, most of which are constructed. The offered service is available at very affordable. A complete termination normally consists of a gland and a seal assembly and, where plastic covered cable is used, a gland shroud. Raychems cable accessories have been used by utilities and industrial companies. Power cable installation guide cables installed into conduits or trays have installation parameters such as maximum pulling tensions, sidewall pressure, clearance, and jamming, which must be considered. Raychems heatshrinkable terminations have a proven record of stability, durability and reliability over many years. How to make termination joint to the 11kv 3 core xlpe cable.
Cable failures cables damaged after installation a tap into an existing cable tee or wye splices. The applicable design particular of the cables to be used in the power stations is furnished in annexure i. The thermal degradation of silicon rubber of the termination was very clear for the last three sheds close to the cable, which proves longterm partial arcing activities along the termination. Enhancing the reliability of cable networks cable accessories. Raychem heatshrinkable terminations have a proven record of stability, durability and reliability over many years. The offered service is carried out by the industry experts of the trade. Raychem supply your source for all raychem products. Pdf water ingress in highvoltage crosslinked polyethylene. Terminations for such cables would not be required to provide electric stress. Furthermore, we produce associated joints, terminations and other accessories for all types of cables. All mv, hv and ehv cable accessories include a specially designed.
Qtii and qtiii cold shrink silicone rubber is specifically formulated as a high track resistant material with. Ltht power cables, installation, jointing, termination, testing. Other installations, such as buried and aerial, have different installation parameters. Raychem cable jointing kit price list 2015 cable and internet no. Euromold provides a complete range of accessories for. Provide all control wire terminations with approved wire markers that mark the conductor with the terminal number for the wire.
Technical specification of ht cables for power stations installed. Method statement for installation of high voltage hv cables. Raychem heatshrinkable medium voltage terminations ixsufoxsuf. Cable failures cables damaged after installation a tap into an existing cable. Projects product 11kv433v mobileskid mounted substation sheet 1 of 46 11kv433 v mobile skid mounted substation. It is possible to use the stripped cores without termination, and cage. Nexans cable terminations are suitable for connecting and terminating 11kv 3 core polymeric cables with stranded copper or aluminium conductors, 35400sqmm 11kv terminations connect mediumhigh voltage power cables with polymeric insulation including xlpe and epr to mvhv switchgear, transformers and cable boxes suits 3 core bonded or easy strip semiconductive screens. System maintenance and repair are also substantial factors in overall cost. 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. 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. We offer easy access to thousands of raychem products as well as many other brands to meet your electrical supply needs. Raychem supply is your source for all raychem products including heat trace cables and accessories, cable terminations, heat shrink sleeves and heat shrink tubing. Library card civil engineering laboratory high voltage cable splicing and cable termination techniques final, by david e.
Aei cables ltd birtley co durham dh3 2ra saw the cable to produce a square end procedure this leaflet shows the procedure for fitting a complete termination on an aei mineral insulated cable. Root cause failure analysis of termination and cable. Installation, testing and jointing of lt and ht power cables up to. First steps to reliability cable cleats, cable joints. This specification includes heat shrink, cold shrink and cold applied joints and terminations for lv. Observe cable bend radius limitations and follow lug manufacturers installation procedure. Power cable accessories under the wellestablished brand name raychem, raychem rpg offers a comprehensive range of cable accessories for almost all cable types. The width of the cable trench shall be maintained minimum 800 width and mm depth according to the number of cables for buried cables. Ht cables price list 4 frls pvc inner sheath extra for special construction. Nexans srdi terminations are manufactured from highquality materials which ensure longterm performance and the highest. Energy high voltage cable accessories up to 245 kv understanding the value of high voltage cable accessories as essential elements in a cable system since the foundation of raychem in 1957, we have specialized in the development, design, manufacture and installation of cable accessory products. Some cables below 2 kv do not have an insulation shield. 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. These limits should not be used for cables subjected to pulling tensions during installation.
Low voltage power and control cables pertain to electrical cables that typically have a voltage grade of 0. Technical specification for 112233 kv nominal voltage ht xlpe power cables 1. 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. Dec 20, 2016 cable termination kaise kiya jata hai ll 11kv xlpe armoured cable heat. Insulation resistance of hv cable should be checked by using 5 kv megger after installation and before termination of cables and readings shall be submitted to the consultant. The cables shall therefore be suitable for satisfactory operation under the tropical climatic conditions listed in the relevant clause. The seal assembly has a temperature range of 80c to 105c. The dry compact switchgear termination for voltage classes up to 245 kv is designed to be installed in cable entry housings of gasinsulated switchgear gis. High voltage cable terminations heatshrinkable terminations ihvth ohvth lhvth 10 heatshrinkable terminations for dc filter cables fcev 14 outdoor terminations composite ohvtc 17 outdoor terminations porcelain ohvtp 22 outdoor terminations drytype ohvtd 27 addon kits for outdoor terminations 28 ii.
Heatshrink terminations for use on xlpe and paper cables 1. When the length of the circuit exceeds the capacity of a cable reel, joints are. A high voltage insulated cable circuit consists of three singlecore cables or one threecore cable with high voltage sealing ends at each end. Cable takeoff for bsx, rsx, htsx, ksx, usx, and vsx ht for power connecton boot termination for end cap termination heating cable overjacket bus wires metallic braid heating cable overjacket primary insulation primary insulation note. First steps to reliability xlpe cable preparation controlling the initial installation costs of any power system is critical to operating companies and contractors alike. Control cables when laid in ht busbar chamber, cable shall be taken through conduits. Uniflex cables, has stateoftheart manufacturing facility to manufacture high voltage xlpe cables up to 66 kv on a high precision ccv line from scholzsupermac dry cure dry cool system and royale systems, usa. The leakage current and voltage waveforms were recorded during high voltage tests for possible further analysis of discharge activity. Iii termination but without a few of the timesaving features that the qtiii termination posesses. Weems tn1452 20 pp illus august 1976 unclassified 1. Pdf study of surface discharges on cable termination. Abb xlpe land cable systems 3 introduction interfaces you can trust abb manufactures land and submarine power cables up to the highest voltages available. Raychem cable jointing kit price list 2015 for her initial website driving traffic for it and adjust its position transforming the tv viewng is the latest rogers cable contact for cables.
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