Each sample shall be delivered freight free, suitably packaged and labelled with the following. 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. Check this is the latest process zone version before use. Cable jointing and termination pracuces are hrrctly described for general guidance. Hai, welcome the sharing from experienced minds the best methode of ht cable jointing procedure 33kv singlecore copper cable for trifoil.
Technical note voltage cable splicing and cable termination. Joint covers for y connections in street lighting circuits cable connection for overhead bundled cable environmental seals for terminal lugs and insulated airport connectors lv joints 1 heatshrink inline joint, polymeric 2 heatshrink transition joint, polymeric 3 heatshrink safety class cable inline joint. How to make termination joint of 11kv 3 core xlpe cable this video is explains the complete procedure of cable termination joint. Screw the 2 together hand tight with the loose knurled nut on the female coupling. Rules and every employee should familiarise himself with the procedures to be adopted. Link boxes are used with cable joints and terminations to provide easy access to shield breaks for test purposes and to limit voltage buildup on the sheath. Relating to general requirements for 33kv cable jointing. A key to good cable preparation is the use of sharp, high quality tools. Xlpe cable at different locations between new haldia.
By ensuring that delegates are conversant with the full range of joints, accessories and terminations in use today, we aim to provide a comprehensive update on. Ct the require mcnts of the indran llcctricity rules, 1956 and other regulations in. Free from height limitation and maintenance xlpe cable can be installed anywhere without special consideration of the route profile height limitations since it does not contain oil and thus is free from failures due to oil migration in oilfilled cables. High voltage xlpe cable systems technical user guide. No metallic sheath required xlpe cable does not generally demand a metallic sheath. Install a cable marking tape 250mm below the finished ground level covering each cable. Install a cable marker at each change in cable direction, joint position and entry points to buildings.
Power cable accessories under the wellestablished brand name raychem, raychem rpg offers a comprehensive range of cable accessories for all cable types. Also speak to a recognised good mv cable test engineers. Method statement for installation of high voltage hv cables. Hv cable joints terminations high voltage 11kv 33kv heat. Mix the resin as instructed on the resin pack and pour into the joint case until the case is completely full. The third or free end of the temporary continuity connector should be placed safely. Several layers of the soft and friable insulation are wrapped around the cable in long, wide strips. The aim of a cable jointer must therefore to be to obtain a joint whose electrical properties are as good as the original cable both in electrical and mechanical terms. Commissioning tests for hv underground cables up to 33kv swp page 2 of standard work practice sp0407 ver 16 ergon energy corporation limited abn 50 087 646 062 work site communication equipment e. Testing of high voltage cable systems introduction.
The cable is fed from the bottom of the reel so that its curvature is continuous with no reversed bends. Cable connection for overhead bundled cable environmental seals for terminal lugs and insulated airport connectors lv joints 1 heatshrink inline joint, polymeric 2 heatshrink transition joint, polymeric 3 heatshrink safety class cable inline joint 4 heatshrink branch joint, polymeric 5 gel inline joint, polymeric. Compare bolted connection resistances to values of similar connections. A tough abrasion resistant black jacketing tube or.
This system requires more skills and planning for installation, jointing and termination rather. The values associated with the testing methods shall be in accordance with the applicable table 100. Sps high voltage cable joint kits are designed and tested to bs7888 and cenelec hd 628 s1 and hd 629 s1 hv cable joints kits are available to joint xlpe, pilc, picas, epr and triplex high. May 14, 2014 sps high voltage cable joint kits are designed and tested to bs7888 and cenelec hd 628 s1 and hd 629 s1 hv cable joints kits are available to joint xlpe, pilc, picas, epr and triplex high. Cables installed in ground shall be laid in a single, horizontal layer spaced 450mm apart. Mediumhigh voltage cable preparation it is necessary to begin with a good cable end.
While pulling, in order to eliminate sharp bend and crossovers, always have a. The most innovative utilities and industries around the world, including mining, marine, offshore and nuclear, use our power cable accessories. Procedure shall be strictly follows as per manufacturers guidelines. Using light pressure, push the clutch arm toward the front of the riding mower until yoti feel resistance. In urban areas, high voltage underground cables are commonly used for the transmission and distribution of electricity. For this reason, it is common practice to cut off a portion of cable after pulling to assure an undamaged end. Insulating tubing and semi conducting tubing reinsulate and reshield the areas over the spliced conductors.
Fit the correct compression lug onto the cable core with the palm at the correct angle. Cable ends must always be sealed to prevent the entrance of moisture, etc. The most innovative utilities and industries around the world, including mining, marine. How to make termination joint to the 11kv 3 core xlpe cable. Ltht power cables, installation, jointing, termination, testing. Ever since electricity cables were first used the problem has arisen of how to joint them together. Whilst it may provide the degree of electrical conductivity required by the electricity at work regulations. Cable systems are equipped with accessories, which. We provide a wide array of hightension work services, which is performed by our capable employees. Terminations to be carried out as per standard and approved procedure. Installation, testing and jointing of lt and ht power cables up to.
Wiping type cable glands to be used of approved quality as per standard size. Tinned copper mesh and braid reestablish the metallic shielding across the joint. Practical hv cable jointing and terminations for engineers. Energy high voltage cable accessories up to 245 kv insulating and nontracking heatshrinkable outer tube torque controlled lug able sheds heatshrinkable stresscontrol tube stressrelief material solderless grounding accessory sealant max. Example of asbestos paper insulation wrap on highvoltage cable inside an underground cable vault. Safe installation replaces conventional resin jointing method. The sand bed protects the cable from the moisture from the ground. This product will be free from defects in material and manufacture at the time of purchase. Banda yeh bindaas hai malayalam movie dvdrip download movies. Weems tn1452 20 pp illus august 1976 unclassified 1.
Then the laid cable is again covered with a layer of sand of about 10 cm thick. Ht cable jointing work with the comprehensive industry knowledge of allied domain, we are engaged in presenting a superior quality range of ht cable jointing work. Shrink polymer systems 11kv cable joints are tested to cenelec standards hd 628 s1 and 629. Appointment of officers to assist the inspectors 4b. Before commencement of installing 11kv 33kv cable joints ensure sufficient jointing room is available around the working area of the intended joint position to allow safe and effective cable jointing operations consider the additional work room to accommodate specialised tools such as cable cutting and crimping tools. The cast resin system provides the electrical insulation, mechanical protection and moisture imperviousness to the joint.
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. Contractor shall take back all the cable drums from site after successful laying, testing and commissioning of cables. Then the trench is covered with a 10 cm thick layer of fine sand. Before performing any electrical engineering activity one must prepare a method statement for electrical work that will describe scope of work, references. Qualification of officers appointed to assist the inspectors 5.
Method statement for installation of high voltage hv. With the development of polymeric and elastomeric cables, premoulded stress cones have also been introduced. Cable systems are equipped with accessories, which have passed the relevant type tests. Such high voltage cables have metallic sheaths or screens surrounding the conductors, andor armour and metallic wires surrounding the cables. When the various layers are removed, cuts should extend only partially. The quality of a joint or termination depends to a large extent on the skill of cable jointer. At present, numerous high voltage xlpe cable systems with nominal voltages up to 500 kv and with circuit lengths up to 40 km are in operation worldwide. Underground cable distribution up to and including 33kv infrastructure technical standards page b05. The table below has the earth fault duty of the hv cables used by ergon energy.
These joints are designed for compression connection, mechanical connectors or soldering of cable conductors. Electrical method statement is used for safe implementation and construction of electrical works. Figure f2 cable feed into conduit at floor level c from cable reel to cable tray, the cable is fed from the top of the reel to maintain required curvature. Procedure of xlpe cable jointing procedure armoured cable. In ht cable the bonding system is so designed that the cable sheaths are bonded and earthed or with svl in such way as to eliminate or reduce the circulating sheath currents. Cable joints and repairs hse and las working together hse. At this point the index mark on the clutch arm should be between the two notches on the clutch cable joint. 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. It j desirable to obtain the detailed procedure front the cable manufacturers, 0. Library card civil engineering laboratory high voltage cable splicing and cable termination techniques final, by david e. In joints of high and medium voltage paper cables, the stress cone is usually built to a predetermined contour by hand application of insulating paper tapes, while in terminations the stress cone is either handapplied or performed. Enhancing the reliability of cable networks cable accessories. Ensure that the mating pats are free from grit or dirt.
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