Hence great care has to be taken to select the layout and. Single line diagram of 3311 kv jampaijala for tender purpose. The aim of this project is to provide the consultancy service to doctor harisingh gour vishwavidyalaya, sagar mp for substation design, feeder up to 11 kv and estimation of cost. It is not the intention to specify all design, manufacturing and constructional details of the switchgear. While planning the layout and orientation of an ehv substation. Introduction headquartered in las vegas, nevada power company is the electric utility for most of southern nevada. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. Baixe no formato pptx, pdf, txt ou leia online no scribd.
Design guide for rural substations usda rural development. Learn from electrical substation experts like genability and genability. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form. Discover electrical substation books free 30day trial. Earth clearance this is the clearance between live parts and earthed structures, walls, screens and ground.
Technical specification construction of 3311 kv primary sub. Transformer selection oil filled transformers must be used for all outdoor substation. A site where electricity supplied by longdistance highvoltage transmission lines is transformed andor regulated for local lowvoltage distribution. The future substation design requires an understanding how both primary. We considered incoming power at 2 kv and the power was transferred to main bus through isolator. The 21st century substation design power systems engineering. Energize substation under noload condition monitor voltage metering. Details of substations under transmission wing as on 30. Read electrical substation books like rockymountainpower10darrelltgerrard and eecccppd for free with a free 30day trial. In phasei, a study of existing network and availability of space for the substation and lines up. Boq for construction of 1x5 mva 3311 kv substation at. Existing and expected load demand on the substation, 3.
The design of the entire substation was made keeping in mind the most basic requirements of a proper. In phasei, a study of existing network and availability of space for the substation and lines up to 11 kv of the campus is to be carried out. Basic substation configurations and the components avo training. Jul 25, 2018 electrical bus system and electrical substation layout july 25, 2018 february 24, 2012 by electrical4u there are many different electrical bus system schemes available but selection of a particular scheme depends upon the system voltage, position of substation in electrical power system, flexibility needed in system and cost to be expensed.
The project is abbs largest of its type in the uk and the new gis station was built inside the boundary of the existing site while the old ais substation remained in service, which meant an exceptional level of planning and logistics on the compact site. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for residential, commercial, and industrial loads. Electrical bus system and electrical substation layout. Hence the input of the substation can be as high as 108 x 1. The electrical substation is the part of a power system in which the voltage is transformed from high to low or low to high for transmission, distribution, transformation and switching. The equipment like bus bars, isolator, power transformer etc. Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. An electrical substation housed in a building designed in accordance with the national construction code and as2067. Boq for construction of 1x5 mva 3311 kv substation at medical. Design study for 3311 kv substation, distribution and protection in the city of kenya. Electrical layout plan and elevation 33kv substation in. Aug 1, 2011 a construction of new 3311 kv primary substation. The incoming voltage level for this substation is 220kv. Electrical bus system and electrical substation layout july 25, 2018 february 24, 2012 by electrical4u there are many different electrical bus system schemes available but selection of a particular scheme depends upon the system voltage, position of substation in electrical power system, flexibility needed in system and cost to be expensed.
For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Discover the best electrical substation books and audiobooks. Nov 30, 2011 we are offering electrical layout plan and elevation 33kv substation services to our clients which are situated all round the nation. Electrical layout plan and elevation 33kv substation in new. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required.
Since implementing the worlds very first iec 61850 multivendor substation automation system in 2004, abb has supplied hundreds of systems and thousands of products for new and retrofit projects. Technical specification construction of 3311 kv primary substations. Once complete, blackhillock substation will be the largest substation in the uk and the second largest in northern. Both the primary and secondary design merge the existing technology and new. The physical layout and the design of the substation are governed by. Single line diagram of 3311 kv jampaijala for tender purpose only. Abb is now implementing fully digital substation automation. We are offering electrical layout plan and elevation 33kv substation services to our clients which are situated all round the nation.
Site should be accessible to the public road to facilitate transport of plant and equipment. The number of incoming and outgoing feeders existing and proposed 2. In this configuration, a tandem switch is used to combine the bypass switch and. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to them either temporary or permanent damage based on the amount of voltage surge. This bulletin provides a basic design guide and a reference tool for designing rural. This is in contrast to a circuit without a bypass arrangement as shown in. Introduction this presentation is intended to give a simple overview of the basics of earthing and its. The power transformer, circuit breaker, busbar, insulator, lightning arrester are the main components of an electrical substation. Nov 14, 2011 i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. All objects within the substation project are linked to a. Covers the application and relevant specifications related to.
Distribution indoor and padmount substation 1224kv. Scottish and southern electricity networks ssen has successfully energised its 2kv gasinsulated equipment at its blackhillock substation site, near keith which will enable the connection of renewable generation in moray. Recognizing the grids complexity and relevance, the national academy of sciences declared the electricity system the worlds largest machine and placed it at the top of the list of the. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design.
Technical specification construction of 3311 kv primary. Oct 07, 2014 the standard instruction for construction of 3311 kv substation is given in rec standards which specifies the layout along with the switchgear. Nonsecurity item tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no 1435233 kv vol. These electrical layout plan and elevation 33kv substation are an important part that needs to be taken care of in every small and large project. The first step in planning a substation layout is the preparation of a one line diagram which shows in simplified form the switching and protection. The switches normally used for regulator bypassing automatically combine all switching. Single line diagram of 3311 kv jampaijala for tender. Automating substation design in times of extreme load growth larry d.
Substation layout consists essentially in arranging a number of switchgear components in an ordered pattern governed by their function and rules of spatial separation. The hydrologic methods frequently used in the runoff computation and design. All objects within the substation project are linked to a database, associated with part numbers from the partscatalogue and accessory kits from the database. This site is served by a combination of allweather, gravel and unimproved dirt roads. The hit plus transformers also combine extremely reduced loss values a0ak. Pdf studies on the storability and nutritive value of maize zea. Design study for 3311 kv substation, distribution and. Technical guide the mvlv transformer substations abb group. Electrical power substation engineering and layout. Best practices for protection and control applications for. Earthing design of 11kv and 33kv rural substations in the uk. The substation equipments such as conductors, transformers, etc.
Fundamentals of electrical substations and switchgear. The new substation t he electricity grid was invented in the 19th century and greatly expanded in the 20th. These power generating stations may be hydroelectric, thermal or atomic. The seminole 8kv substation is located on the west side of i45 in league city, texas. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Key diagram 11kv400v indoor substation iiteeeestudents.
May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Meanwhile, an upgraded power supply at sundon substation, between leagrave and harlington, will. Electrical layout electrical plan electrical wiring diagram electrical. Covers the layout considerations, bus configurations, and electrical clearances. Substation configuration substation configuration can greatly affect protection choices substation physical design engineers must be in full agreement with protection and control engineers, even for temporary substation configurations. The sealed envelopes shall be again be put in another sealed cover and should be superscribed construction of 2 33kv. It should be free from all obstructions for terminating high voltage transmission lines. Distribution indoor and padmount substation 1224kv switchgear. The project work assigned to us was to design a 233 kv ehv substation. Now days the electrical power demand is increasing very rapidly. Covers bare conductors, rigid and strain bus design. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the mass of earth and the split factor will be 100%. The ergon energy design philosophy is to provide substations.
Tibco substation es subscribes to and publishes data to tibco applications and transaction processing systems, such as customer information control system cics and information manageme nt system ims, which run in the zos operatingsystem environment. Produce quality pdf files in seconds and preserve the integrity of your original. They are generally of brick and concrete construction with gutters and drainage or are a room that is part of a larger. Hello all acade gurus, i am a college student and i have been given a project to design a substation single line diagram and plan layout on autocad with predefined specifications busbar schemes, lines, etc i am new to autocad and i have few questions about it. Digital substations enabling a stronger, smarter and. Introduction sub stations are important link between generating stations and distribution networks. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Electrical stations substations by purpose transformer stations switching stations converter stations compensation stations by position in es power plants transmission system switching, transformer consumption industry, distribution converters transmission, consumption rated voltages. However, the equipment supplied must meet the highest standards of design, engineering and manufacturing practices. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. They step down the ehv to hv as per the requirement of the customers. This manual shows you how to configure tibco substation es.
The standard layout guides for the general arrangement of the equipments, structures, busbars etc. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Existing and proposed single line diagram for 3311 kv. Depending upon the availability of resources these stations are constructed. Design parameters and standard layout of a 3311 kv substation. The substation design manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plugs any gaps where asset management documentation does not exist. As the distance between the substation and the generating station is only 50km, the sil can increase to 1. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements.
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