Planning and design of transmission lines has been part of the core business of efla since 1979, and the company has worked with the design and development of transmission lines in iceland, norway, sweden, france, finland, canada, greenland and africa. The codes familiar are aci, asce, bs, bsen, din, iec, ieee and is. The use of internationally recognized software plscadd a better optimization of transmission line can be achieved in short time. Enables automatic selection of structure locations and types. New, free transmission line modeling software i didnt have time tonight to make comparisons to other software but i did check the program itself for utility and features. Over the 2,500 kilometers corridor, this workflow was able to detect 40 hazardous points. Optimal location of towers in power transmission lines applying dynamic programming reformulated. In the past, most tower spotting has been done manually, using templates, but several computer programs have been available for a number of years for the.
But in the rocky mountains, the elevation changes are more and ground condition varies. Transmission line our engineers have vast knowledge on international codes and have design engineering experience of transmission line towers upto 1200 kv voltage levels. Optimisation of transmission line design in mountain regions. Tower or structure spotting is a term used for the process of determining the optimum location, height, and type of transmission line structures on the plan and profile drawings. Examine and identify all parts, pieces, hardware, etc.
Our designs conform to stringent requirements of iec, asc, ieee and other local and client standards as. New, free transmission line modeling software techtalk. Eflas specialists provide comprehensive consultancy in the field of transmission line design. Aster has expertise in modern survey and tower spotting works and uses the latest versions of plscadd software. Our engineers have vast knowledge on international codes and have design engineering experience of transmission line towers upto 1200 kv voltage levels. Plscadd is a software for transmission line and tower spotting. Recommended minimum vertical clearances of conductor based on final conductor sag at maximum. Structures of appropriate height and strength must be located to provide adequate conductor ground clearance and minimum cost.
Structural and geotechnical research centre sgrc engineers are trained to use the latest design software for achieving the most economic and reliable design. Structural evaluations in transmission line design are possible for any loading condition, allowing considerations of new or updated loading trees, wind speeds or design criteria. In figure 11, we can see the vegetation hazardous point between tower 48 and 49 at 6. A single and global transmission line design software and distribution line. Our software automates the calculation of design loads and the checking of. Transmission line can be on h frame up to 66 kv, it can be on structral hollow ms wooden high mast similar one used for illuniating open area, or letice. It can be used to try out different real world survey. Typical height ranges from 15 to 55 m 49 to 180 ft, though the tallest. Least cost alternative design of transmission lines can be determined. High voltage power transmission line design using plscadd.
Transmission line design and detailed engineering services. Pdf combined use of plscadd and tower softwares for. Total stations and the satellite images are used for providing the most economical transmission line profile to the customers. Best magic show in the world genius rubiks cube magician americas got talent duration. Transmission line tower blocks, free transmission line tower blocks software downloads. Design of overhead transmission lines upto 400kv and underground transmission lines upto 230kv. Design of transmission lines, structures, and foundations. Discuss the basic concepts of transmission structure foundation design.
Sep 10, 2019 tower or structure spotting is a term used for the process of determining the optimum location, height, and type of transmission line structures on the plan and profile drawings. Civil design engineer transmission job in seekout online. Even the most complex terrain can be modeled, used in site development, and considered in tower and tower foundation design. Transmission structural engineering july 1011, 2014 portland, or 5 agenda friday, july 11, 2014 8. Sardar mohammad zafrul hasan superintending engineer. Both selfsupporting and guyed towers can be modeled. A sag template is specific for the particular line voltage, the. Knr has done over 15 assignments of detailed engineering services for transmission line upto 765kv for indian and overseas clients. The program performs design checks of structures under user specified loads. Electrical transmission tower types and design electrical4u. Icomm is famous for providing the modern survey and tower spotting works globally. We use the latest versions of plscadd software by which customers are given the most optimal transmission line route. Transmission lines construction aster private limited.
Transmission line tower blocks software free download. Optimizing routing and tower spotting of electricity. The line design software selected has the capability of meeting all the objectives required for the full integration of the transmission line design and drafting environment. Project engineer resume in bhopal, mp, 463001, india. Our software automates the calculation of design loads and the checking of strength according to most international standards asce, nesc, iec, cenelec, etc. It is the most powerful overhead power line design program. Transmission line can be on h frame up to 66 kv, it can be. Copel for the integrated use of plscadd structure spotting. You can increase productivity of modeling all kinds of transmission and telecommunication towers and substation gantries, from creating the foundation plan to designing the tower layout and detailing the connections.
A sag template is a very important tool with the help of which the position of towers on the profile is decided so that they conform to the limitations of vertical and wind loads on any particular tower, and minimum clearances, as per i. Mannvit offers comprehensive design, consulting and engineering services for all phases of electric power transmission and distribution including decades of experience in the design of overhead power lines and transmission towers. Transmission line design software multilingual by gc software. Development of detailed structuralassembly drawings for new transmission line towers from 11 kv to 800 kv. Review physical transmission line design and the software used to perform analysis. Pls tower, pls pole, pls cadd, staddpro 2007, itowers. This has been possible because of power line systems close involvement over the past 30 years with the organizations that developed these standards and the feedback from the electric companies that require their use. Plscadd training course in montreal, canada, june 2 to 6, 2003 1. Citeseerx document details isaac councill, lee giles, pradeep teregowda.
We generally see a lot of overhead lines on our way. Can anyone provide me the address of any type of training center regarding this at hyderabad. Routing and tower spotting optimization are integrated into the methodology proposed. Power transmission lines routing and planning tower. Abstract the project was to develop a transmission line tower spotting software, which was the specific requirement of the ceylon electricity board transmission design branch. Discuss the basics of ruling span design and structure spotting techniques. Sturdy transmission tower design is a mainstay of your strategy to ensure uninterrupted power delivery. How to make sag template for tower spotting part 1 electrical.
This specification covers the detailing, of survey of 400220266 kv transmission line and handing over to getco including a complete data 2. Combined use of plscadd and tower softwares for transmission line design the experience and methodology of copel for tower analysis article pdf available january 2010 with 4,383 reads. A transmission tower or power tower alternatively electricity pylon or variations is a tall structure, usually a steel lattice tower, used to support an overhead power line they are used in highvoltage ac and dc systems, and come in a wide variety of shapes and sizes. The main supporting unit of overhead transmission line is transmission tower.
Transmission tower design and analysis software solutions. Pdf optimal location of towers in power transmission lines. Transmission line routing and tower spotting central ferry lower monumental no. Our designs conform to stringent requirements of iec, asc, ieee and other local and client standards as specified by the clients. Structural evaluations in transmission line design are possible for any loading condition, allowing considerations of new. So, application of advanced cartographic, gis techniques and 3d visualisation tools over the line route is very much necessary to finalise the optimal route and tower types. Knr offers complete range of consulting services for transmission line projects. Sag in general words can be said that distance between the highest point of electric poles or towers and the lowest point of a conductor connected between two poles or towers. Rules, required to be maintained between the line conductor to. You can simulate transmission lines, back loaded horns and ported boxes as long as the port is at the end of the line.
Survey with the help of state of art gadgets total stations, dgps, digital theodolites and satellite imagery is used for providing the most. Surveying recent developments in surveying technologies have allowed the industry to rethink the stationelevationoffset formats that designers have traditionally used. Aug 08, 2017 in our backyard they are replacing the web style tower with a lower impact single tower. More than 18 years experience in transmission line design.
Plscadd is the industry standard in overhead line design and is being used by 1600 companies in over 125 countries worldwide. Power line corridor mapping greenvalley international. You will know how to calculate sag and sag formula. Collection of site visit data, tentative transmission line routing, classification of type of soil based on soil report. Videos showing the use of power line systems software including. Preparation of tower spotting and profile drawings based on field surveys. Today, transmission design engineers are using sophisticated design softwares. The experience and methodology developed by copel for the integrated use of plscadd structure spotting and tower structural analysis softwares are presented. With tower software it is possible to obtain interaction. Tower has the ability to analyze a structure linearly or nonlinearly. Fundamentals of transmission line design euci course. Yel has expertise in modern survey and tower spotting works and uses the latest versions of plscadd software. They are used in high voltage ac and dc systems and can come in different shapes and sizes. Dar engineerings expertise in the area of overhead transmission line design covers tower spotting, sag templates, plan and profiling, steel monopole structures as well as latticed structures.
In order to familiarize the professionals with the new techniques of survey, softnitro is organizing a training program on modern methods of overhead power transmission line survey. Sterlite grid successfully type tests towers for 765 kv double and single circuit transmission line projects. The main steps in using the transmission line design software and the distribution line design software are the update of basic information on available material and on technical options, the topographic information acquisition, the tower spotting usually starting with automatic spotting, then tailoring its result, final verifications with. Plscadd power line systems computer aided design and drafting is the most powerful package for the structural and geometrical design of overhead power lines. Power transmission lines, routing and planning, tower spotting, feasibility study, tower design, avalanche protection and seismic design, tender documents, contract negotiations, construction management, supervision and commissioning, onsite inspection, repair and maintenance, designing power transmission line, electrical substations, installation of overhead transmission lines, underground.
Lilo of 2 kv dc butwal bardhaghat transmission line at new butwal approx. What is the weight of a standard 330kv transmission tower. Conventional transmission line survey has undergone lot of changes since the introduction of modern tools like dgps and optimum tower spotting software. Tpec is one of the state of the art consultancy firm engaged in providing competent and cost effective technical services to the power sector in general. Typical height ranges from 15 to 55 m 49 to 180 ft, though the tallest are the 370 m 1,214 ft towers of a 2,700 m. Power transmission lines, routing and planning, tower spotting, feasibility study, tower design, avalanche protection and seismic design, tender documents, contract negotiations, construction management, supervision and commissioning, onsite inspection, repair and maintenance, designing power transmission line, electrical substations, installation of overhead transmission lines. This helps our customers to obtain options of the most optimal transmission line route. Transmission line design software multilingual by gc. Optimize your production and reduce errors in fabrication and erection with a new, higher level of collaboration and automation. Power line towers design of transmission towers mannvit. Tower is a powerful and easy to use microsoft windows program for the analysis and design of steel latticed towers used in electric power lines or communication facilities. A transmission tower or power tower alternatively electricity pylon or variations is a tall structure, usually a steel lattice tower, used to support an overhead power line. From route selection all the way to the automatic production of reports, material lists and plan and profile sheets, plscadd provides the most complete set of analysis and design functions available anywhere.
Transmission towers have to carry the heavy transmission conductor at a sufficient safe height from ground. The transmission line design can be better understood in preliminary steps of the planning process. Combined use of plscadd and tower softwares for transmission. Pdf optimal location of towers in power transmission. Tower analysis and design of steel latticed towers used in transmission and. When designing a transmission line spotting, 3 types of. The optimal design is the most economical alternative of all feasible options. Tower spotting of transmission lines tutorials the efficient location of structures on the profile is an important component of line design.
Tower has option to check designs according to the asce and eia standards. Optimisation of transmission line designing in plain area is easy. For electric power structures it can also calculate maximum allowable wind and weight spans and interaction diagrams between different ratios of allowable wind and weight spans. Optimum spotting performed with these interaction diagrams will result in a.
Preparation of bid document including specification. The transmission tower design and analysis solution helps ensure optimal tower performance through efficient design and analysis of the tower sites and structures. Jove transmission line design software multilingual by gc. Fundamentals of transmission line design euci course in. So transmission tower designing is an important engineering job where all three basic engineering concepts, civil, mechanical. Sterlite grid successfully type tests towers for 765 kv. Copel for the integrated use of pls cadd structure spotting. Transmission towers are usually made of steel to help support over the head power lines. Analyzes, designs and optimizes steel lattice towers for transmission and.