Introduction headquartered in las vegas, nevada power company is the. Baixe no formato pptx, pdf, txt ou leia online no scribd. This bulletin provides a basic design guide and a reference tool for designing rural substations. 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 seminole 8kv substation is located on the west side of i45 in league city, texas. Nesco has adopted the philosophy of installing open terminal air insulated substations. The project was finished and energized as scheduled in may 2004. Distribution voltages are typically medium voltage, between 2. Existing and proposed single line diagram for 3311 kv.
These power generating stations may be hydroelectric, thermal or atomic. Electricity service division, samdrup jongkhar esd. Best practices for protection and control applications for. Hence great care has to be taken to select the layout and. 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. 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%. Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. The power from main bus was fed into a 20mva transformer which. 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. 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.
Pdf analysis of technical losses in 33 kv feeder a case study of. The substation consisted of two 100 mva transformers, two 8 kv breaker and onehalf bays and thirteen 34. 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. Design and construction specifications of the substation 4 2. Lessons learned and reflected in the project design. They are smaller than a national grid substation but bigger than the final distribution substations that transform the electricity. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Details of substations under transmission wing as on 30. I want all the equation which is not shown in pdf file of design study for 3311 kv substation, distribution and protection in the city of kenya so what can i do. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars, lightning arresters, control panels, interconnecting cables, capacitor banks, battery set, and other related equipments designed as per the requirements, size, capacity and class of the substation. Once complete, blackhillock substation will be the largest substation in the uk and the second largest in northern.
The skid mounted substation shall be fully compartmentalized and shall be suitable for bottom cable entry. Scribd is the worlds largest social reading and publishing site. Electrical substation now days the electrical power demand is increasing very rapidly. 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. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The project work assigned to us was to design a 233 kv ehv substation. Other electrical engineering may include conduit or. Transformer selection oil filled transformers must be used for all outdoor substation. 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. All rus borrowers rus electric staff effective date. Recognizing the grids complexity and relevance, the national academy of sciences declared the. Substations equipment maintenance electric power systems. Other electrical engineering may include conduit or trench design, power factor correction or harmonic filter design, and other associated tasks.
Edms, printed to an electronic drawing set adobe pdf and issued to the. Tibco substation es subscribes to and publishes data to tibco applications and transaction processing systems, such as customer information control system cics and information. The new substation t he electricity grid was invented in the 19th century and greatly expanded in the 20th. These substations may be supplied radially, tapped from a subtransmission line, or may have two sources of. Medium voltage products technical guide the mvlv transformer.
We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Single line diagram of 3311 kv jampaijala for tender purpose. Prepared by the subcommittee on the design of substation structures of the. Design,supply,manufacturing,erection, te sting and. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india.
Customer substation manual 6272019 preface page 8 of 82 010. The bus bars may be of either rigid type or flexible strain type depending upon the choice of the designer considering the overall suitability and economy of the substation to be installed. Substation on turnkey basis for supply, transportation, erection, commissioning and civil work due on 16. Design guide for rural substations usda rural development. The ergon energy design philosophy is to provide substations. A special class of distribution substation would include a dedicated customer substation. Electrical design of 233kv substation line diagram.
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. 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. A substation is a part of an electrical generation, transmission, and distribution system. They step down the ehv to hv as per the requirement of the customers.
Design study for 3311 kv substation, distribution and. 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. Basic substation configurations and the components avo training. The fence is connected to a separate grounding conductor. Design study for 3311 kv substation, distribution and protection in the city of kenya. Owners supply materials osm 3311 kv power transformers, station 330. Determination of optimal substation ground grid layout and specifications, or recommendations for improving existing grids. 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.
Compliance with all technical requirements all energize elements comply with the required clearances clearances verify compliance with the last requirements of the national electrical safety code or prepa diseno subw\copy of svc subst profile 2. 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. Technical specification construction of 3311 kv primary sub. 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. The equipment like bus bars, isolator, power transformer etc. The design of the entire substation was made keeping in mind the most basic requirements of a proper substation including the civil and domestic requirements. The input for a distribution substation is typically at least two transmission or subtransmission lines. Typical layout of a substation linkedin slideshare. Single line diagram of 3311 kv jampaijala for tender. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the.
For fulfilling these huge power demands the modern time requires creation of bigger and bigger power. Electrical power substation engineering and layout. 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. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars. Design study for 3311 kv substation, distribution and protection in. Key diagram 11kv400v indoor substation iiteeeestudents. Technical specification construction of 3311 kv primary substations. This manual shows you how to configure tibco substation es. Automating substation design in times of extreme load growth larry d. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly.
Digital substation and iec61850 tomorrow iec 6185081 670 series reb500 650 series sam600 ncit ncit sam600 iec 6185081 iec 6185092 digital substation 1 all signals digital, station and process. 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. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Earthing design of 11kv and 33kv rural substations in the uk. Other requirements of the substation electrical system 56 10. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design.
These substations may be supplied radially, tapped from a subtransmission line, or may have two sources of supply. I need a free software for earthmat design for 33kv to 400 kv substations in india. The consumer must provide certain data to the utility at the earliest stage of the project. This site is served by a combination of allweather, gravel and unimproved dirt roads. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Eps was responsible for the design of the substation civil work, bus layout, grounding and lighting. Supply in the package materials have been classified as under i.
Introduction sub stations are important link between generating stations and distribution networks. Depending upon the availability of resources these stations are constructed. Whenever light surges occur then, a highvoltage pass through these electrical components causing. The substation equipments such as conductors, transformers, etc. Technical specification construction of 3311 kv primary. Single line diagram of 3311 kv jampaijala for tender purpose only. A substation is a part of an electrical generation, transmission, and distribution system, where voltage is transformed from high to low, or low to high, or many other important functions. Substation design volume ii physical layout instructor. These substations transform electricity between 2 kv, 33 kv and 11 kv. 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. The skid mounted substation shall be metal clad housing fabricated out of crca sheet steel of. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations.
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