The quality of a joint or termination depends to a large extent on the skill of cable jointer. Test training academy courses in high voltage regulations orhvs, switching and responsible persons, cable jointing and termination, cable fault location and diagnostics, cable identification, basic electricity, motor testing and transformer testing. Robust high voltage cable joint design ieee xplore. The specification details the required skills, knowledge and behaviours to establish competence to carry out high voltage jointing procedures on underground cables up to 20 kv.
We will discuss about the different types of high voltage cables, the need for jointingtermination as well as various types of jointingtermination kits that are available in the market. Practical hv cable jointing and terminations for engineers. They are the cable jointing product of choice of energy supply companies, industry and the electrical trade for permanently connecting cables buried in the ground. When the various layers are removed, cuts should extend only partially. Work or testing on hv cable systems including cables subject to induced voltage opsaf5 issue no. Several layers of the soft and friable insulation are wrapped around the cable in long, wide strips. High voltage and low voltage cable jointing techniques at underground high voltage cable jointing. Whether youre working with high or low voltage cables, electrical training course is the best place to get the training you need to work safely and expand your skillset. Cable jointing supplies have supplied these components to many of australias largest and most successful mining and commercial companies.
Do not use mechanical type connectors such as splitbolt. Cje practical hv cable jointing and terminations for. A key to good cable preparation is the use of sharp, high quality tools. For this reason, it is common practice to cut off a portion of cable after pulling to assure an undamaged end. Figure 46 joint for xlpe cable joint insulation mould assembly. Enhancing the reliability of cable networks cable accessories. This specification includes heat shrink, cold shrink and cold applied joints and terminations for lv. We will discuss about the different types of high voltage cables, the need for jointing termination as well as various types of jointing termination kits that are available in the market. Hv transmission cable hazardous situations the following table lists typical situations encountered when working on or in the vicinity of hv transmission cables and the controls to be implemented. 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. We provide a high quality cable jointing service to the high voltage electrical industry where safety is paramount and are committed to maintaining a workplace that is incident and injury free. Ward operations has a strong working relationship with companies like anglo american, bma, rio tinto, pacific aluminium, ergon energy, xstrata coal and curragh queensland mining, just to name a few.
Commissioning test for hv underground cable up to 33kv swp sp0407 field instruction sp0407c01 hv cable commissioning test report form sp0407c04 commissioning tool hv cables up to 33kv sp0506. Cable tools, cable preparation tools, cable jointing tools. A suitable connector for mediumhigh voltage cable splices is a compression or shearbolt connector. We are stockists of alroc, gbz, tyco electronics, prysmian, cembre, bowthorpe and lucy lighting tools. Mediumhigh voltage cable preparation it is necessary to begin with a good cable end. Hv cable jointing and terminations for engineers and technicians revision 3. Method statement for installation of high voltage hv cables. Dependence on operatorskill is sought to be reduced to the extent. At cable jointing supplies we are very proud of our extensive list of loyal customers. Cable jointing supplies high voltage and low voltage. This method statement defines the procedure step by step to implement the correct practices for installation of high voltage hv cable in order to ensure that the job execution complies with the project requirements and serves the intended function to satisfactory level. High voltage cable jointing is a specialist service offered by ward operations with both paper insulated cables and xlpe cross linked polyethylene to 2kv.
The aim of a cable jointer must therefore be to obtain a joint whose electrical properties are as good as the original cable both in electrical and mechanical terms. 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. Heat shrink, cold shrink and pushon cable joints suitable for single and 3 core cables with xlpe, pilc, epr insulation including 6. Pdf onsite condition assessment of hv cable terminations in. Ward operations have over 33 years of high voltage cable jointing experience and have been the preferred high voltage contractor within the. Sp0407r01 commissioning tests for new hv cables up to 33 kv job safety analysis sp0407r02 testing hv cables supplementary information sp0407r03.
Example of asbestos paper insulation wrap on highvoltage cable inside an underground cable vault. High voltage hv cable is manufactured for a finite length like 500m for ease of transport and handling, hence cable joints in a hv cable network is inevitable. The cables shall be erected on the side of the pole away from oncoming traffic and they shall not be bent tighter than the manufacturers specified minimum internal bending radius, both during installation and after it has been set in position, what may require taller poles to ensure the minimum bending radius of the cable is not compromised. Power cable accessories under the wellestablished brand name raychem, raychem rpg offers a comprehensive range of cable accessories for almost all cable types.
Cable tools all products listed below can be download as pdf files by clicking the blue header text. Practical hv cable joining and terminations for engineers and technicians overview. Our team of experienced cable jointers are highly trained and certified by local statutory authority to carry out jointing and termination on variety of. Liveline demonstration 230 v cable jointing duration. High voltage xlpe cable systems technical user high voltage xlpe cable systems techincal user guide brugg cables page 4 selection process of cable design 1. Raychem gel stub joints for polymeric cable gelcap motor connection kit. Hv cablepower wa high voltage power solutions cable. High voltage accessories up to 170 kv nexans power accessories. May 14, 2014 11kv heat shrink cable joints are ideal for direct burial, overhead and vertical cable jointing of 3 core cables. Sep 08, 2014 the quality of a joint or termination depends to a large extent on the skill of cable jointer. 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.
Relicon cable joints are suitable for universal application as branch or straight through joints in lowvoltage electrical installations. High voltage xlpe cable systems technical user guide. Dec 05, 2017 11kv panja high voltage heat shrink cable making of 11 kv ht xlpe cable heat shrink end. Complete range of cable preparation and jointing tools for lvehv underground power cables, fibre optic and overhead lines, this includes multifunction and. High voltage cable jointing up to 20 kv this specification has been developed from the power network standard. The design of cable jointing and termination accessories is based on this perception. After satisfactory testing the cable drums will be. A good cable jointing and installation provides a better supply of power fig. High voltage xlpe cable systems techincal user guide brugg cables page 3 1. At hv cablepower we pride ourselves on providing a full and comprehensive service within the power industry whilst making sure that safety is paramount in our every day practice. Forms a protective jacket excellent abrasion resistance for high voltage cable joints and terminations.
General information on high voltage cable systems 1. The basic principles of cable jointing and terminations construction of electrical power cables, different types of cables for various voltage ratings and manufacturing aspects different types of connectors and connection methods different. Hv cablepower hvc is a small business with a highly skilled team of cable jointers who pride themselves on quality workmanship and a safety first outlook. High voltage cable jointing is a specialist service offered by ward operations with both paper insulated cables and xlpe high voltage xlpe cable systems technical user high voltage xlpe cable systems techincal user guide brugg cables page 5 the following rules apply for all organic insulation. Installation, testing and jointing of lt and ht power cables up to. The joint is robust and can be energised immediately after installation. Cable services supply a wide range of cable cutting and preparation tools for use in all types of electrical installation. The table below has the earth fault duty of the hv cables used by ergon energy. Pdf the ultrahigh frequency partial discharge detection method described in the paper is. Safe work practices on high voltage cables revision no.
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