Rated isolation levels are fundamental parameters for the gis design and have a direct influence on the case diameter and, with. Strategic partnership tie up with renowned gis manufacturers. Design, engineering, fabrication, manufacture, supply, erection, testing and commissioning of korattur 400 23011033 kv gis substation and korattur 230kv ug lines as a total turnkey contract with 2nos. Technical specification construction of 3311 kv primary sub. Two times two 400 kv converter systems connected in series form a 800 kv uhv. Substation layout electrical substation electricity.
Key diagram 11kv400v indoor substation iiteeeestudents. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits. Getco, the state transmission company of gujarat is the customer. Presently executing substation projects upto 330 kv in africa. Substation design references ansi c37 series protection and control equipment ansi c57 series transformers. Appendix c table of contents substation drawings singer substation drawing no. Covers the design of bus support structures and connectors. Distribution automation handbook prototype elements of power d istribution systems 1mrs757959 4 3 elements of power distribution systems 3. Tubular busbars tend to offer cost advantages over tensioned conductor for busbar currents in excess of 3000 a.
In some countries, standard operating voltage is 380 kv instead of 400 kv. Gas insulated substations gis have been used in power systems. The substation design manual is not intended to replace asset management standards, but rather. A onestop, complete reference text on gas insulated substations gis, largecapacity and longdistance electricity transmission, which are of increasing importance in the power industry today. This is a 22066 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. Power sector and associated energy demands in india are growing at an accelerated pace. Extension of 400 220 kv substation at gooty this is an existing substation owned by powergrid and shall have provision to accommodate following under this project. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Pdf maintenance and operation of an electrical substation. Federal and state environmental permit information was also included in this document for reference. Covers the general design considerations, documents and drawings related to designing a substation.
The following facilities shall be provided at all new 400 kv and 275 kv substations. Depending upon the availability of resources these stations are constructed. Design considerations of the substation and switchyard the substation or switchyard can be conventional air insulated substation ais of gas insulated substation gis or a hybrid substation. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Download as pdf, 400200 kv substation 400200 kv substation design scribd 400200 kv substation design free download as pdf file graph of sp. Infrastructure facilities, industry, and private households around the world require more and more electrical energy highvoltage substations, the node points of todays complex power transmission infrastructure, play a key role in meeting this demand safely and reliably.
This chapter covers the design factors related to the substation site. Covers the layout considerations, bus configurations, and electrical clearances. Basic of 400kv substation design scribd basic of 400kv substation design. Gas insulated substation gis vs conventional outdoor substation ais by engr. The availability willis 2000 can be defined as the fraction of time that the electric power is available in a certain point in the network during a given time interval. Design of earthing system for 400 kv ac substation. The modular of design of gis offers a high degree of flexibility to meet layout requirements of both substations, as well as power station switchgear, making efficient use of available space. The fast transient overvoltages induced in major parts of gis are investigated due to the first and subsequent.
These practices and procedures, when properly implemented, will minimize or prevent erosion and sediment pollution from adversely affecting sensitive resources, such as, streams, ponds, lakes, wetlands, and natural vegetative. The dependency of secure power is increasing in the society which leads to higher demands on the availability of electric power. Details advanced and basic material, accessible for both existing gis. The basic insulation level bil required for a gas insulated substation gis is different from that of the conventional substation because of certain unique properties of the former. Pdf electric power substations engineering, third edition erlet. Prototype design for a highvoltage highfrequency rectifier transformer for high power use. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations.
Substation structure design guide asce manuals and reports. To meet the customers various requirements of todays substations, we, hyosung, design and manufacture a wide variety of sf 6 gasinsulatedswitchgear gis system. Policy statement on busbar configuration for 110 kv, 220. Nov 14, 2011 key diagram 11kv400v indoor substation. Well experienced execution, testing and commissioning team associates for gis. Gas insulated substation transformer electrical substation scribd. Pdf using gas insulated substation in urban areas in the world has been widely popular. Pioneer and technology leader driving gis innovations. The objective of site work design for a substation yard is to provide an easily accessible, dry, maintenancefree area for the installation and operation of electrical substation equipment and structures. Distribution voltages are typically medium voltage, between 2.
The transformer steps down the voltage to 400 v, 3phase, 4wire. Jul 12, 2014 comparison of gis and ais substation 11. Design and installation of ehvehv and ehvhv substations. Gas insulated substation free download as pdf file. Pgcil, new delhi 400220 kv gis substation with central. Gasinsulated highvoltage switchgear gis is a compact metal encapsulated switchgear consisting of highvoltage components such as circuitbreakers and disconnectors, which can be safely operated in confined spaces. The factors to be taken into account for designing substations shall be as under. Restart your computer, and then open the file again. Drawing title 25251 400 singer substation arrangement plan 25251401 singer substation sections 1 and 2 25251402 singer substation section 3 gis enclosure 25251500 singer substation grading plan 25251501 singer substation foundation plan 25251502 singer substation. Other substations in the area influence the design of a new substation. Switchyard will exist at a generating station to coordinate the exchange of power between the generators and the transmission lines. The first step towards the design of a 400 2202 kv substation is to determine the load that the substation has to cater and develop it accordingly. A in the last five year or so central electricity authority provided design and engineering consultancy technical assistance for the following transmission lines and associated substations. Construction manual for gss rajasthan energy department.
May 17, 2018 gis 400kv substation equipment one and half breaker scheme slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Power engineering guide digital asset management siemens. Guidelines for uprating and upgrading of substations. Khimtibarhabiselapsiphedi 400 kv substation project clarification no.
Malmo 600 kv herslev voltage 400 kv dc odense 4 00 zealand km thyristor 8 kv. The modular design of gis switch gear shall be capable of extension in the. Design, supply, installation, testing and commissioning of 400 kv hetauda and inaruwa substation, ifb no. The gasinsulated switchgear elk3 c is the new generation elk3 for 420 kv, 5000 a, 63 ka designed to reduce complexity, life cycle costs and environmental impact. Undertake turnkey projects for indoor and outdoor gis substations upto 400 kv grade. A cross section v iew of a 242 kv gis shows the construction and t y pical dimensions fig. Gis substation constructions and covers equipment operated at lower voltages on the same. Three phase encapsulated type sf6 gas insulated switchgear type sdf for 170 kv 06b1e0001 gate city ohsaki, east tower, 112, osaki 1chome, shinagawaku, tokyo 1410032, japan.
Anbarasu b erection and commissioning engineer 2600mw itpcl power project cuddaloreindia 2. Sf6 is used in gis at pressures from 400 to 600 kpa absolute. Pdf insitu insulation test of 400 kv gis researchgate. Khimtibarhabiselapsiphedi 400 kv substation project. It houses 22 bays of abbs stateoftheart elk04 gis, comprising four bays of bus couplers and bus sections, four incoming bays that connect to the supergrid transformers at the adjacent 400 kv national grid substation and 14 feeder circuits. Lsis who has been a leader in electricity and automation in. Nepal electricity authority nea invites sealed bids from eligible bidders for the design. Maintenance and operation of an electrical substation of 220233 kv. Highvoltage substations highvoltage power transmission.
Download as pdf, 400 200 kv substation 400 200 kv substation design scribd 400 200 kv substation design free download as pdf file graph of sp. Power frequency withstand voltage onsite testing of 400 kv gis. In view of the same, we request you to accept 380 kv rating certificates shall be. Indoor substation compressed air insulated gis single line diagram lightning arrestor. Manual for transmission lines and substation construction. Operation and maintenance of a gas insulated substation.
Bidding is open to all eligible nepalese and foreign bidders. If you continue browsing the site, you agree to the use of cookies on this website. The book is organized into 22 chapters to provide comprehensive information on all. Siemens has proven to be a reliable, trustworthy supplier of highvoltage substations for all voltage levels and for all applications from basic substations with a single busbar to interconnection substations with multiple busbars or a breakerandahalf arrangement for up to 800 kv, 8,000 a, and shortcircuit currents of up to 100 ka. Distribution substations michigan technological university. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Gis elk3 c up to 420 kv gasinsulated switchgear abb. The 345 kv voltage level is treated as 362 kv and is nolonger advocated by standards. Pdf environmentally friendly compact airinsulated highvoltage. Substation layout free download as powerpoint presentation. Distribution substations may also be the points of voltage regulation.
Jul 07, 2015 gasinsulated switchgear from siemens will support you with a largely maintenancefree, stable, and tested design for maximum availability even under extreme environmental conditions. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. National grid substations technical specification ngts 2. Design of earthing system for 400 kv ac substation a case study. Covers bare conductors, rigid and strain bus design. 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. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Switchyard substation upto 400kv have generally been installed in the country.
Download it once and read it on your kindle device, pc, phones or tablets. Your computer may not have enough memory to open the image, or the image may have been corrupted. These power generating stations may be hydroelectric, thermal or atomic. Ferroresonance has destructive effects such as, undulations. Electric power substations engineering, second edition. Introduction and governing standard this presentation covers the technical requirements and design aspects of a gasinsulated substation gis as per governing standards of gis substations. Electrical layout plan elp while planning the layout and orientation of an ehv substation. Extension of 400 220 kv gis substation at yelahanka. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr.
We believe that although many gis manufacturers produce a product similar to ours, it is our ability of giving you a high quality system at a reasonable price that sets us apart. Abb substations with gasinsulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and industrial customers. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Impact of new grid developments on substation design. High speed earthing switches are unique to gis design as they are not normally used. Growth of gis substations market insights and, gis substation design and execution hv and ehv gis, innovative substation design makes the difference, gas insulated substations sf6 gas handling us epa, new era of gis substations industry technology market, 400 kv substation design pdf jytop cable manufacturers, chapter 1. Substations involves many earthlings through individual electrodes, which will have fairly high resistance. A crosssection view of a 242 kv gis shows the construction and typical. Ferroresonance study on the vt in the karoon 4 power plant 400 kv gis substation.
This policy considers the galway busbar to be a single busbar and the shellybanks busbar to be a double busbar. Common manual operating mechanisms include a sw ing handle see. Manual for transmission lines and substation construction and. The author strongly recommends that at 500 kv only gis should be used while at 220 kv and 2 kv their selection should be based on economic viability of. Gis units are under various stages of installation. Covers the design of the ground grid for safety and proper operation. The project was successfully executed on time despite short execution schedule. Pdf to guarantee the insulation strength of gas insulated substations. A distribution substation transfers power from the transmission system to the distribution system of an area. Lsis has been a leader of development of industry and best partner to improve productivity for her customers by supplying reliable and stable energy lsis is producing gis, which is one of the major equipment used in the high voltage substation in densely cities.
This project is made to overcome the electricity crises and to meet the power demand of gurgaon region at haryana. For economy of construction the collector system operates around 35 kv, and the collector substation steps up voltage to a transmission voltage for the grid. Taking into account some of the factors mentioned and the savings in cost of land see section 3. Consultancy to aptransco 400 220 kv substation at hyderabad and kurnool and 400 kv bay extension work at ghanapur and nuna substations. The input for a distribution substation is typically at least two transmission or subtransmission lines.