Substation design guide a pdh online course for engineers. The use of sf6 circuit breaker is mainly in the substations which are having high input kv input, say above 220kv and more. Details of substations under transmission wing as on 30. Drawing file names shall be as specified in transgrid cad standards. Additionally all designs and drawings shall be submitted in their native format and in. 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. Depending upon the availability of resources these stations are constructed. The most important of any substation is the grounding earthing system of the instruments, transformers etc. The motor starts operating if the gas went lower than 20. Uttar pradesh power corporation ltd, dohna 220233 kv substation substation for transmitting power up to 280mw for urban and rural areas of bareilly district customer benefits power transmission from 400kv bareilly substation to 220kv dohna substation improved efficiency due to reduced line losses of approx. Iec61850 adopted at station level iec61850 adopted at.
Matelec package substations range includes installed mv and lv switchgears, and accessories such as street lighting circuits, power factor improvement equipment, control and protection equipments, all providing a cost effective and efficient total installation. Angola is a country blessed with an abundance of natural resources, particularly as it relates to the energy sector and power subsector. Abstract the main purpose of the substation is to provide reliable and continuous electric power supply for consumers. Components and services not specifically mentioned here but necessary to complete the stipulated work in al. Supply, delivery and commissioning of 233 kv, 15 mva transformer bay at lamosangu substation and installation, erection, testing and commissioning of 15 mva, 233 kv power transformer. Electrical stations substations by purpose transformer stations switching stations. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Mediumvoltage shielded power cable 2 kv up to 35 kv. Complete design,engineering and consultancy services for 2 33 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv 7 panel swbd.
Specification and technical required undp procurement. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. The factory assembled self contained package substation is a complete weather proof. The schniedersudhir mvlv prefabricated substation is part of a comprehensive offer of products with consistent design. Figure 1 existing substation with 220 kv breaker and a half and 110 kv. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Substation configuration contingency when bypass switch is closed, how can we provide reliable protection for 69 kv line. Psco is required to file a report with the colorado public utilities.
Perunad substation inaugurated by minister aryadan muhammed. Turnkey 22023311kv kv greenfield substation with 8 bays at 220kv, bays at 2kv and 11 bays at 33kv with 2 nos. Design, supply, installation and construction of 33 kv double circuit line withbearconductor on selfstanding lattice tower of duhabi tankisinuwari. Single line diagram of 3311 kv jampaijala for tender purpose. Angola 400 kv transmission line belem do huambo substation to. Electrical substation now days the electrical power demand is increasing very rapidly. What is the rating of ht substation and lt substation. Design criteria on substation protection by using instrument transformers.
This ensures a product with less maintenance, low weight, flexible mounting facilities, high reliability. Design study for 3311 kv substation, distribution and protection in the city of kenya. Instrument transformers are designed to provide reliable performance in accordance with latest stringent global design standards like iec and ieeeansi. 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. Entire line must be protected for any single contingency condition 51n 50 51 50 51 21 8 kv 69 kv 87t. Substation types stepup transmission substation the threephase power enters a transmission substation at the power plant transformers step up to extremely high voltages for longdistance transmission voltages for long distance transmission range from 155 kv 765 kv. There must be provision for 2 additional 11 kv outgoing feeder for load enhancements in future. This calls for extrahighvoltage ehv substations to act as load hubs in the city. A substation is a part of an electrical generation, transmission, and distribution system. Design parameters and standard layout of a 3311 kv substation. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. A new offshore hvdc 320 kv link of approximately 350 km and with. Moe45 mva,2 33 kv mobile substation 6 one 1 copy of the test report or its draft shall be handed over to each person witnessed the test. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations.
Technical information on projects of common interest european. The rec standard mentions that an outdoor type 3311 kv substation should have 2 power transformers and 3 outgoing feeders. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray.
East walton 500230 kv substation to the proposed jacks creek 230 kv switching station, and from the proposed east walton 500230kv substation to the proposed bethabara 230115 kv substation. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit consisting of 2 nos. Design,supply,manufacturing,erection, te sting and. The first step in planning a substation layout is the preparation of a oneline. The gas is put inside the circuit breaker by force i. Gas insulated switchgear is used in industrial areas to fulfil highenergy demands by space saving design with a minimum of cost.
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. The first step in planning a substation layout is the preparation of a one line. This document outlines the primary design standard for transgrid substations. Mounted substation sheet 3 of 45 details of equipments. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. This project requires work within the towns of carver, plymouth, bourne, and barnstable in massachusetts. After completion the student will be familiar with all aspects of substation design and with a publication that can be a valuable resource during the development of preliminary and frontend studies for substations as well as during detailed design, construction, operation maintenance and startup. Capacity mva maximum solar generation anticipated at each location mw srikakulam location 1 2 kv ss chilakapalem 1x31. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. This section details out the scope of supply and services for 110 kv substation bay extension with associated auxiliaries as indicated. List of identified substations under open offer for solar power projects location no. A typical zone substation transformer in an urban station is rated at 2033mva.
Currently, digital substations can be classified into 3 modes. Technical specification construction of 3311 kv primary sub. The incoming voltage level for this substation is 220kv. Oct 07, 2014 the rec standard mentions that an outdoor type 33 11 kv substation should have 2 power transformers and 3 outgoing feeders. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. 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%.
Existing and proposed single line diagram for 3311 kv. The main function of the substation is to collect the energy transmitted at high voltage from the generating station and then reduce the voltage to an appropriate value for local distribution and gives facilities for switching. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. Energypac has been manufacturing reliable instrument transformers for more than 30 years. Distribution voltages are typically medium voltage, between 2. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Report on industrial summer training on 220 kv substation. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches equipment for carrying power to grid lines. When if the gas gets decreases there is a motor connected to the circuit breaker. Css is a type tested assembly comprising an enclosure containing medium voltage mv switchgear, distribution transformers, low voltage lv switchboards, connections and auxiliary equipment. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. In the initial stages, the new sf6 gas insulated substations were almost exclusively used where space limitations, site restrictions or exponential ambient conditions made it difficult to use conventional air insulated substations. The test report shall be submitted officially two 2 copies to moe the soonest after execution of each test. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.
Electrical power substation engineering and layout. Design guide for rural substations usda rural development. Layout of a typical 500 kv substation using airinsulated switchgear. Established in 2012, the agency comes under the authority of the department of power. Ctr 15050 11 a single line diagram of 33 11 kv jampaijala for tender purpose only. Policy statement on busbar configuration for 110 kv, 220. Section 4 is the load flow analysis of the substation. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. The number of 33 kv incoming feeder may be one or two depending upon the requirement.
Design,supply,manufacturing,erection, te 211 kv substation with sas at i. United states department of agriculture rural utilities service rus bulletin 1724e300 issued june 2001 design guide for rural substations. The input for a distribution substation is typically at least two transmission or subtransmission lines. The 20 mva rating applies with natural cooling and the 33mva. Typical schemes of digital substation typical schemes of digital substation complied with iec61850 the digital substation uses innovative ethernet technology to realize information sharing at process bus and station level. Distribution substation manual section 9 33kv substation arrangements 9 33kv substation arrangements index of drawings drawing number drawing title dsm901 district substation 33kv315500kva ips non fire rated. 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. Gtc anticipates that lattice steel structures, ranging in height from 80 feet to 150. Basic elements of substation equipment 1 busbars conductors carrying. These power generating stations may be hydroelectric, thermal or atomic. Appendix c psco 10year transmission projects xcel energy. Best practices for protection and control applications for. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data.
The tiepco package substation conforms to the latest iec standard and is designed and manufactured utilizing the in house expertise and state of the art technology, fully taking into account the present and future power system requirement of its clients. Various options were researched but following a process of elimination, two viable options were evaluated. A comparison of land area requirements between a conventional single busbar fully switched outdoor 33 11 kv distribution substation 2150 m2, a fully switched onestorey indoor substation 627 m2 and for the transformerfeeder arrangement 420 m2 is shown in fig. Design study for 3311 kv substation, distribution and. After completion of all factory tests, the contractor shall bind all test reports properly. Heasant branch substation electrical consultants, inc. Earthing design of 11kv and 33kv rural substations in the uk. A comparison of land area requirements between a conventional single busbar fully switched outdoor 3311 kv distribution substation 2150 m2, a fully switched onestorey indoor substation 627 m2 and for the transformerfeeder arrangement 420 m2 is shown in fig.
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