220 kv gis substation design book pdf

The robust and low maintenance gis based design minimizes the substations footprint by as much as 70 percent, enabling it to be installed indoors, in busy urban areas and in harsh environments. In a substation surge arrester is located at the starting of the substation as seen from incoming. The author strongly recommends that at 500 kv only gis should be used while at 220 kv and 2 kv. Stage 3 detailed design report rev d tracked changed. A distribution substation transfers power from the transmission system to the distribution system of an area. Product brochure gasinsulated switchgear elk04 modular. Product brochure gasinsulated switchgear elk14 the modular. Up to 170 kv, 4000 a, 50 ka and 63 ka up to 145 kv. The 220 kv gis switchgear shall be of double bus bar design having phase wise separate or threephase common single enclosure. Pdf irjetdesign analysis of 2202 kv substation using. The low centre of gravity using a horizontal singlebreak puffer circuitbreaker, optimal characteristics in seismic areas could be achieved. These are the substation earth electrode system, e. Provided the technician doesnt need to handle the gas itself, gis substations are quicker to install.

Operation and maintenance of a gas insulated substation. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Components and substations for electrical transmission and. This policy considers the galway busbar to be a single busbar and the shellybanks busbar to be a double busbar. The supporting data has been obtained from actual field tested at the substation. Surge arresters are generally connected between phase conductor and ground. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches. The greuth substation connects the 2 kv arnoldsteintarvisio line to the existing 220 kv lienzobersielach line system 266 through a pst phase shifter transformer which transforms 220 kv to 2 kv.

The choice of incoming and outgoing voltages of substations. Pdf analysis and calculation of very fast transient over voltages. An ac substation has generally 2 or 3 main voltage levels. In 1980 he was awarded the national prize for his contribution to development of 750 kv. Meanwhile the circuitbreaker is implemented in different applications up to 800 kv and 80 ka by using different number of breaks. Before 1960s the design criterion of substation earthing system was low earth resistance. Voltage highest voltage lighting impulse level kvp switching impulse level kvp minimum clearance safety clearancemt ground clearancemt phaseearth phasephase 11kv 12kv 70 0. A major difference between conventional air insulated substations ais and the gas.

Download as pdf, 400200 kv substation 400200 kv substation design scribd. Gasinsulated switchgear elk04 c, 145 kv xiangan torch substation, china english pdf leaflet protection cover for all types of position indicator english pdf leaflet gasinsulated switchgear enk, 72. This is largely due to the fact that gis systems are significantly smaller and weigh less despite the gas weighing more than air. This paper analyze and calculates the transient over voltages in 220kv gis system for 5 mts and 10 mts length. They are at present mostly used in space constraint areas. The grounding grid system of a practical 220 kv substation is calculated by matlab program. Installing a gis high voltage substation can be faster than installing its metalclad ais counterpart.

The first step towards the design of a 4002202 kv substation is to determine the load that the substation has to cater and develop it accordingly. Evaluation the high voltage gas insulated substations gis. Impact of new grid developments on substation design. Substation layout electrical substation electricity. A small and lightweight phase common enclosure design 72.

Two 66 kv gis have been installed at the shastri maidan and lal bunglow substations, one 220 kv gis at the atul substation and two 220 kv hybrid switchgear at the sartanpar and suwa substations. The sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The overall substation earthing system impedance consists of three main components. With your download, get the 23 best papers relevant to this one, including 17 top related papers. Substation design power substation substation protection system electrical substation engineering electrical substation design cbip manual for substation 3311 kv substation construction manual electrical substation. Design considerations of the substation and switchyard ii. Presentation on industrial training in 220kv substation ig. This project is made to overcome the electricity crises and to meet the power demand of gurgaon region at haryana. Tikhodeev encyclopedia of life support systems eolss in 1990.

Policy statement on busbar configuration for 110 kv, 220. Distribution substations michigan technological university. In high and medium voltage air insulated substations ais the electromagnetic field, which causes are the static charges of bare cable and conductors and by the atmospheric conditions surges, induce voltages at nolive parts of the installation that create potential differences between metallic parts and ground and also between different points of. Getco, the state transmission company of gujarat is the customer.

Evaluation the high voltage gas insulated substations gis based on flashovers in the 220 kv switchgears. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. The system parameters for 765kv, 400kv, 220kv, 2kv and 33kv are given. 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 the sub station compared with the. They are renowned for highest reliability, economical operation, and low maintenance requirements. The siemens experts always consider the electrical parameters as well as the environmental conditions to which a. Substation design references ansi c37 series protection and control equipment. Substation design volume ii physical layout instructor. Electrical power system provides a vital service to the society. Pdf maintenance and operation of an electrical substation. Drawing title 25251400 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. Mediumvoltage shielded power cable 2 kv up to 35 kv. Substation structure design guide asce manuals and reports. This is a 220 66 kv large green field substation project based on hybrid gis technology with 3x100mva transformers.

All parts of the switchgear should be three phase enclosed for 220kv gis. The ergon energy design philosophy is to provide substations. When the space available for the installation of the substation is short or when the environmental conditions are extremely severe the usual solution is to install a gis gas insulated substation, which. For 220 kv class enclosure it shall be single or phase wise separate metallic type. Contractors for the design, construction and commissioning of high voltage gas insulated switchgear gis substations ss. Gasinsulated switchgear elk04 modular system up to 170 kv, 4000 a, 63 ka product brochure. Design of earthing grounding system in a substation grid. Gasinsulated switchgear up to 245 kv, 50 ka, 4000 a type 8dn9. Gis units are under various stages of installation. The design should be such that all parts subjected to wear and tear are easily accessible for maintenance purposes. Maintenance and operation of an electrical substation of. Abb substations with airinsulated switchgear ais provide a costefficient and wellproven solution without compromising on reliability. Substation an electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed high to low or reverse using transformer. Clarification to the bidders queries received for the.

Pdf evaluation the high voltage gas insulated substations gis. The portfolio includes gis solutions from 60 to 800 kv, along with secondary products to maximize switchgear and network operation. Purpose of 220 kv switchyard before plant criticality. One equipment technical standard addressing rated voltages of 110 kv, 123 kv, 8 kv, and 145 kv, is describedby the same class of gis. The project was successfully executed on time despite short execution schedule. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit breaker combination in gas insulated substation. Gas insulated switchgear is used in industrial areas to fulfil highenergy demands by space saving design. Highvoltage substations highvoltage power transmission.

For drawing commissioning power supply from the grid as a start up power supply to supply common station load after plant becomes operational. A mini project report on operation and maintenance of 220 2kv substation submitted in. New giza electrical substation 2202222 kv construction. The gis ss will have the nominal voltage of 220 kv. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. 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. Unesco eolss sample chapters electrical energy systems components and substations for electrical transmission and distribution systems b. Design guide for rural substations usda rural development. In view of the same, we request you to accept 380 kv. The design of distribution voltage switchgear and gas insulated switchgear gis is described in chapter, in which terminology is also defined. Appendix c table of contents substation drawings singer substation drawing no. Siemens highvoltage substations with airinsulated switchgear ais are the costefficient choice for rated voltages of up to 800 kv. For healthy operation of electrical power generation, transmission and distribution, it is important that system should be balanced. The sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live constituent parts.

Our indepth knowledge of the power value chain, as well as grid codes and utility practices in use around the world, enable us to provide turnkey. Gigahertz 1,000,000,000 hertz or cycles per second. Pdf the sf6 gas insulated switchgear has increasingly been used for high voltage. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. India 400220kv gis susbstation with automation english pdf reference. In the switchgear type 8dn9 up to 245 kv, the earthing switches are of a pintype design. Fink and carroll, standard handbook for electrical engineers. It should be designed for indoor application with meteorological. Earth resistance design and evaluation of substation earthing system were evolved particularly for ehv ac and hvdc substations. Distribution voltages are typically medium voltage, between 2.

The input for a distribution substation is typically at least two transmission or subtransmission lines. Gasinsulated switchgear up to 245 kv, 50 ka, 4000 a type. In the insulated design they are also used for measuring purposes and for testing protection relays. A mini project report on operation and maintenance of 220 2kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. The substation of 220kv66kv 11kv has fifteen outgoing feeders, namely.

Section 4 is the load flow analysis of the substation. Abstract the paper is assigned to design a 22066 kv hv gis sub station. Pgcil, new delhi 400220 kv gis substation with central. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. Iv general technical specification for 220kv sf6 gas insulated metal enclosed switchgear on photo. The long distance transmission is generally at extra high voltages such as 2 kv, 220 kv, 400 kv ac. Substation design references ansi c37 series protection and control equipment ansi c57 series transformers. Meralco required a highly reliable gis 115 kv substation from a european contractor abbs response 115 kv gis elk04 including. 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. The power from gis was fed into two 100 mva transformer which stepped the voltage down to 66 kv. Oct 11, 2012 surge arresters or lightning arresters discharge the over voltage surges to earth and protect the equipment insulation from switching surges and lightning surges. Khimtibarhabiselapsiphedi 400 kv substation project.

It was also type tested by both kema of holland and cesi of italy. It should be designed for indoor application with meteorological conditions at site winter 3c to 14 c and summer 31 c to 46 c, seismic zone. Abb substations with gasinsulated switchgear gis are unmatched when it. 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. This project primarily comprises development of a new 220 110 kv gas insulated switchgear gis substation. This 145kv3150a40ka spring operated gis is very similar to the 72. High speed earthing switches are unique to gis design as they are not normally used. To evacuate power from the station to the grid as a reserve power. September 2008 and subsequently standard design criteria guidelines for balance of. Due to this, some gis arrangements are grouped to address several voltage ratings.

Download it once and read it on your kindle device, pc, phones or tablets. In some countries, standard operating voltage is 380 kv instead of 400 kv. A mini project report on operation and maintenance of 220 2kv power substation on photo. This bulletin provides a basic design guide and a reference tool for designing rural substations. A mini project operation and maintenance of a 2202 kv.