Substation working pdf files

The contents of the seed file are copied into the new dgn or dwg file. Pdf monitoring is a keytool for utilities in order to shift from corrective or timebased maintenance strategies to. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. This document supports the power system safety rules and its requirements assembled under work in substations general. Some projects demand metric and english toolsets to work with locally provided materials and the gis. Safe working area red cones up to 7m apart, two orange ropes 10mm used on each side of the yellow angled cross arm and green cones up to 6m apart, define the safe working area within the roped perimeter. Mobile substations are generally rated 60 mva or less. Manual for transmission lines and substation construction and. Y is protective grounding equipment provided and capable of carrying the maximum fault current that could flow at the point of grounding. Safety compliance checklist electrical utilities general 29 cfr 1910 y are workers wearing proper protective equipment ppe, such as gloves and sleeves. A dgn file is composed of one or more models, each of which is represented using elements such as lines, arcs, and shapes. It details the electrical hazards which must be managed to ensure the safety of personnel when working in switchyards, substations, high voltage areas including cable tunnels, general.

Work in substations general procedures work instructions mobile plant in the vicinity of high voltage conductors 2. There is a need of collector substation as well in cases of large power generating systems e. Designs shall be in accordance with the safe work australia safe design of structures. A total substation automation concept user friendly software tools application general substation automation includes a complete range of flexible object terminals, including all necessary functions for substation control and substation monitoring systems. Load flow analysis of 2 kv substation using etap software rohit kapahi abstractpower is essentially required for the development of any country. Our team has a thorough knowledge of substation design, as well as wealth of experience in material procurement, project management, and logistics of electrical. The following are major electrical components of substations and their working. Electrical substation components list diagram, working.

Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1electrical engineering, techno indiawest bengal university of technology, india. Technical specification construction of 3311 kv primary substations. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Work breakdown structure rev e, june 2003 work breakdown structure a project work breakdown structure wbs is a deliverable or product oriented grouping of project work elements shown in graph ical display to organize and subdivide the total work scope of a project. Allow sf6 to flow through the hose and purge the air.

The mesa substation project will primarily consist of the following elements. Manual for transmission lines and substation construction. Upon entering an attended substation, each employee, other than employees regularly working in the station, shall report his or her presence to the employee in charge of substation activities to receive information on special system conditions affecting employee safety. Replace previous bulletin 651 with this bulletin and file with 7 cfr part 1724. Gas insulated substation ppt pdf presentation gas insulated substations gis is a compact,multicomponent assembly enclosed in a ground metallic housing in which the primary insulating medium is compressed sulphur hexafluoride sf6 gas. Background of substation program general order 174 adopted in 2012 substation auditsinspections started in 20. Our flexibility to manage changing project requirements combined with the ability to deliver the highest quality solutions in the market, make working with power more safe and reliable. This document outlines the primary design standard for transgrid substations. To maintain the generation of electric power at adequate level the power has to be transmitted in proper form and quality to the consumer. Mesa substation the existing mesa 220 kilovolt kv substation in monterey park will be upgraded to a 500 kv substation. In 33kv and below substations the access way between the entrance of the safe work area and the substation entrance gate or door shall be defined and marked. Ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802.

Construction drawings typically have references of large, complex 3d design files, and attempts to export construction drawings to other formats such as pdf and dwg can result in file sizes that are larger than expected for the desired 2d output. The existing substation sits on 22 acres of an 84acre parcel owned by sce and the proposed project will use about 70 acres. This paper describes an ongoing full substation monitoring project developed by endesa distribucion at one of its substations, namely, sant just desvern. When you create a new dgn or dwg file, a seed file is required. Uca became the foundation for the work done in the iec tc57 working groups 10, 11, and 12 which resulted in the international standard iec 61850 communication networks and systems in substations1. Substations and electrification the competitive energy market requires innovative and reliable solutions for effective integration of power from conventional and renewable generation plants, and efficient transmission and distribution to residential, commercial and industrial consumers. Basic substation configurations and the components avo training. During the working testing the company in charge of the work shall ensure that all members of the working crew maintain general safety. Edms, printed to an electronic drawing set adobe pdf and issued to the project manager.

Urban substations are usually built in brick, whereas rural ones are often installed externally directly on the mv pylon. Export construction drawings to pdf and dwg with small file. Your computer may not have enough memory to open the image, or the image may have been corrupted. Begad junior engineer, 220kv gss, bhinmal submitted by. Performing substation design calculations and analysis such as short circuit stand, ground grid analysis and design, lightning protection, voltage drop and ac and dc station service sizing working closely with the civil engineering department to develop substation foundation and structure drawings. A typical substation auditinspection takes one week onsite, including travel, and covers one district of a large utility or perhaps all of smaller utility. Safety requirements for work on or adjacent to the distribution.

The working of vacuum circuit breakers is briefly explained below, when the breaker operates, the moving contact separates from the fixed contact and an arc is struck between the contacts. Click the upload files button and select up to 20 pdf files you wish to convert. If the red x still appears, you may have to delete the image and then insert it again. Abb north america substation automation systems innovative. Depending on its size and specific criteria, mainly related to the loads rated voltage, number, power, location, etc. The system design shall also conform to tacnfpa norms.

Substation construction66kv connection guide pdf drawing pack. Gis there are two terms presented in iec gas insulated switchgear and ieee gas insulated substations. Seds audit and inspection program for electric utility. Fundamentals of electrical substations and switchgear.

A report on summer training undertaken at 2202 kv substation at bhinmal jalore under the guidance of er. This electricity is then supplied to a transmission substation near the generating plant. A substation standards switch operating platforms steel design and details 49. Detailed investigation of substation and preparation of boq to be done by the bidder. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects. The first obvious difference is that the blades of the disconnect switches and the earthing switches installed in a gis substation are surrounded by. Search documents in category substation construction. Operation of a gis substation involves the same principles as operati ng an air insulated substation ais even though the different active elements are physically arranged differently. Generator files application deposit requiredamounts have increased to cover costs and ensure applicants have real projects type of service, location, mws, commercial operation date, technology to be used natural gas, wind, solar, hydro, coal, nuclear site control. The substation design manual is not intended to replace asset management standards, but rather. Safety requirements for work on or adjacent to the. Sep 10, 2019 use of ppes is mandatory when working in a substation. Field test technology on uhv substation construction and operation. The imodel support built into bentley substation facilitates data exchange.

These agreements, together with legislation set out under the electricity act 1989, allow us to access our assets to maintain. Scope and outline of iec 61850 the stated scope of iec 61850 was communications within the substation. Fundamentals of substation equipment and control systems. Work breakdown structure relativistic heavy ion collider. Work in substations general this instruction assembles knowledge required for personnel to be authorised category 3 under the rules. Pdf monitoring is a keytool for utilities in order to shift from corrective or time based maintenance strategies to. Pdf electric power substations engineering, third edition erlet. Restart your computer, and then open the file again. In addition, projectwise provides robust enterpriselevel engineering content management. National grid transco guidance for working in proximity to live conductors reducing the risks technical guidance note tgne 186 res issue 1 october 2014 uncontrolled when printed page 4 of 17 ds is the design clearance for safety section clearance specified in ts2.

A unit substation is factory built and tested, then shipped in modules that are bolted together at the site. Unit substations usually contain high and low voltage disconnect switches, one or two threephase transformers, low voltage breakers, high voltage fusing, bus work, and relays. Company for the work which has made it possible to put this revision of the design guide together. Load flow analysis of 2 kv substation using etap software. Use approved mechanical and electrical tools, including the correct size wrenches, handles, and other hardware. This research paper deals with the simulation of 2 kv. Internal arc effects in medium voltage switchgear 152kv mitigation techniques. Engineered substation automation solutions from abb substation automation sa and small scada systems there are more than 500 abb engineered sa and small scada solutions operating in the u. It is the responsibility of all members of the working party, overseen by the company officer, to ensure that their activities do not affect other work areas. Terrestrial lidar scanning can provide a comprehensive survey of all the equipment, structures, foundations, bus work and lines in the substations. All of the building blocks are based on state of the art. The 21st century substation design power systems engineering. Flame retardant arcrated chemical resistant clothing, gloves, safety glasses, shields, face masks, hard hats, and steeltoed shoes must be an integral part of the ppe collection made available for workers. Nfpa 70e principle member of the nfpa 70e technical committee.

This free online pdf to doc converter allows you to save a pdf file as an editable document in microsoft word doc format, ensuring better quality than many other converters. In the transmission substation the voltage is increased substantially using step up transformers. The unit substation is a relatively recent development. Many different sources and exposures to electromagnetic fields in the living and working environment, including computer screens, water beds and electric blankets, radiofrequency welding machines, diathermy equipment and radar, have been. Introduction to substations annotated instructors guide module overview this module introduces trainees to the function of substations at all levels of the power grid, with an introduction to typical substation components included. Electricity is generated in a thermal power plant, hydroelectric power plant, and nuclear power plant, etc. Land and access national grid has land rights in place with landowners and occupiers, which cover our existing overhead lines and underground cable network. The manual is applicable for all substation projects regardless of internalexternal construction delivery mode. Generally, seed files contain only settings and attributes.

So, the safety manual is prepared on the basis of power safety rules handbook and gerc power system safety standard by making necessary modifications. Some companies also incorporate graphic data such as logos and drawing sheets into a seed file. The substation is fed 16 mw power from 3 generating stations a,b,c through 400 kv single circuit lines working at around 87% loading the power is received on 400 kv busbar double main and transfer bus scheme. This is a 23311 kv, star1 and star2 switchgear substation. A large percentage of existing substations were built 50 years ago or more, and detailed drawings of the stations may be out of date, incomplete or, worst case, missing. Fundamentals of substation equipment and control systems october 2325, 20 in madison, wisconsin january 2022, 2014 in lake buena vista, florida a practical introduction to equipment and control systems this basic course in substation equipment and controls will introduce you to the equipment that makes up an electric substation. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for prepared by hdr engineering, inc 701 xenia avenue south, suite 600 minneapolis, minnesota 55416 february 2007. Taking the example of pregnancy outcome it goes on. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978.

Ieee guide for safety in the installation of mobile substation equipment. Substation packages iem power systems strengths include the ability to engineer innovative solutions to facilitate our clients needs. In his 25 years of working group and subcommittee leadership with the ieee pes. Most flexible conductors used in substation construction consist of all copper, all aluminum, or aluminum with steel reinforcing acsr. The format is widely used because of its broad compatibility and flexible feature set. A substation includes transformers, control equipment for switching and system protection to transfer power to distribution lines. Activities not permitted within the easement are those that jeopardize the integrity of the structures or reduce the groundtoline clearance, such as construction of buildings. Epc solution and testing commissioning of 2 kv substation. Cap off all hoses after use to maintain cleanliness and dryness. The project work assigned to us was to design a 233 kv ehv substation. As evident within the body of this application, the most significant component of the project. Pdf joiner allows you to merge multiple pdf documents and images into a single pdf file, free of charge.

Design guide for rural substations usda rural development. The file tab has items for creating, opening, and saving dgn files. Vacuum circuit breaker vcb principle, construction and. Differs shall not be repeated on the same substation site. The rope supports shall be placed with the higher end of the crossarms at the inside boundary of the access way. Generator files application deposit requiredamounts have increased to cover costs and ensure applicants have real projects type of service, location, mws, commercial operation date, technology to be used natural gas, wind, solar, hydro, coal, nuclear site control when complete, project is in queue. The substation construction manual is not intended to replace asset management standards, but. A substation is a part of an electrical generation, transmission, and distribution system. Pdf development of an electrical substation equipment. This course is based on terms used in ieee and iec regulations. Properly installed and maintained fire detection and alarm systems can help to increase the survivability of occupants and emergency responders while decreasing property losses figure 14. Operation and maintenance of a gas insulated substation.

A bentley substation document file is called a dgn file. Working in the rightofway normally, access by the landowner within the transmission line easement is not restricted, and agricultural activities can still occur. Mesa substation project southern california edison. Gas insulated substation installation ced engineering. National grid substation interlocking schemes technical specification ts 3. Together with automatic fire suppression systems, fire detection and alarm systems are part of the active fire protection systems found in many occupan. The manual is a modest attempt to formulate safety guidelines for ehv substations. The locations of these substations are carefully selected in order to optimize. As the design work for a substation typically involves people working at different locations, there is a need to coordinate this activity to avoid errors and delays. Prerequisites this course is intended for engineers in the first few years of substation engineering and design, and for managers or seasoned designers who want an overview of the complete substation engineering and design process. The production of the arc is due to the ionization of metal ions and depends very much upon the material of contacts. A new substation means that you will be assured of continued power quality and reliability as your area continues to grow and the demand for electricity increases.

Excavation and removal of all materials taken between the original surface and the top of suitable material for the construction of new site contours. Jul 15, 2015 our substation design solution reduces the amount of time to complete design and minimizes errors that cause rework during construction. Hybrid nomex insulation is usually used for most mobile substations. Purpose and scope this procedure establishes safe working practices for handling sulfur hexafluoride sf6 gas and release. Ieee std 12682005 ieee guide for safety in the installation. The resource information has to be compiled in the format necessary to be. Transmission line structure standards steel pole structures maintenance provisions work ring. Drawing file names shall be as specified in transgrid cad standards. Pdf a database has been developed that documents performance of substation. All work on site included in the contractors scope of works shall be supervised by sufficient number of qualified representatives of the contractor.

Just upload files you want to join together, reorder them with draganddrop if you need and click join files button to merge the documents. Several crucial terms are for better understanding of the presented material. The associated field guide is a waterproofed version of this manual, which summarizes key erosion and sediment control points for use by field crews. Prior to topping off, all filling pipe work, valves, etc.