Jan 01, 2008 prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. The clearance required for phase to phase and phase to ground for all equipment is much lower than that required in an air insulated substation. The basic insulation level bil required for a gas insulated substation gis is different from that of the conventional substation because of certain. A gas insulated substation gis is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. Unitech is a leading iraqi company specialized basically in power and oil projects. Within this of voltage variety assortment, only several gas densities of sf6gas.
Substation structure design guide asce manuals and. Due to the areas high profile, the new substation and its source and distribution lines were to be virtually invisible. The whole substation is divided into three part 400kv,220kv and 33 kv and a common control room is used 5 6. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power. Gis units are under various stages of installation. Continuous further development has reduced the footprint required for 145kv gis. Hence substations in general can be considered as heart of overall power system. Pdf grounding system design in electrical substation. Expected lifetime of gis stateoftheart o n 145 kv 1968 145 kv expected life time of gis number of installed bays s evoluti acc to cigre study the image cannot be displayed.
This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. High speed earthing switches are unique to gis design as they are not normally used. Such type of substations is usually for the voltage. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit breaker. Gasinsulated switchgear up to 245 kv, 50 ka, 4000 a type 8dn9. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Gas insulated substation ppt pdf presentation 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.
Electrical substation now days the electrical power demand is increasing very rapidly. Prepared by the subcommittee on the design of substation structures of the. Substation configuration reliability 1 reliability of substation configurations daniel nack, iowa state university, 2005 introduction while one of the strongest points in a power system is the electric. One equipment technical standard addressing rated voltages of 110 kv, 123 kv, 8 kv, and 145 kv, is describedby the same class of gis with the same case. Phase segregated type sf6 gas insulated switchgear type. 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. Successful operation of entire power system depends to a considerable extent on efficient and satisfactory performance of substations. Anbarasu b erection and commissioning engineer 2600mw itpcl power project cuddaloreindia 2. Complete design,engineering and consultancy services for 233 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv 7 panel swbd.
The ergon energy design philosophy is to provide substations. Design of earthing system for 400 kv ac substation a case study. The solution will be based on implementation of an offtheshelf system or systems, with preparation for work at iec israel. Indoor type substations in such type of substations, the apparatus is installed within the substation building.
Thus, 1100 kv substations adopt gas insulated switchgear gis as the main circuit from transmission line entrance to transformer bushings. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4. 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. Technical specification construction of 3311 kv primary sub.
Construction of 3311kv gis substations undp procurement. 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. Use features like bookmarks, note taking and highlighting while reading substation structure design guide asce. Ultrahighvoltage switchgear to power china abb group. Switchyard will exist at a generating station to coordinate the exchange of power between the generators and the transmission lines. The primary function of a 400220 kv substation would be to provide a conversion of different voltage levels so that power systems can be connected together to form a power system grid. Design guide for rural substations usda rural development. Complete design,engineering and consultancy services for 233 kv,2x50 mva ab zone substation 7x2 kv bays,12x33 kv bays, 11 kv7 panel swbd. The dependency of secure power is increasing in the society which leads to higher demands on the availability of electric power. This bulletin provides a basic design guide and a reference tool. Successful operation of entire power system depends to a considerable extent on. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Scholar, electrical and electronics engineering department, aisect university bhopal. All rus borrowers rus electric staff effective date.
Product brochure gasinsulated switchgear type elk3 gis for maximum performance, 420 kv. Due to the reduced maintenance of cbs, new substation design principles emerged for ais in the late 1990s. 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. A design layout of 233 kv, 200 mw substation the substation is connected with three substations or load viz. The collector substation can also provide power factor correction if it is needed, metering and control of the wind farm. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Substation structure design guide asce manuals and reports. Jul 12, 2014 comparison of gis and ais substation 11. Design of earthing system for 400 kv ac substation a case. 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.
No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Basic elements of substation equipment 1 busbars conductors carrying. Distribution substations michigan technological university. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. The low centre of gravity using a horizontal doublebreaker puffer circuitbreaker, optimal char. Engineering design of esmeralada compact substation of 115. Gasinsulated switchgear up to 145 kv, 40 ka, 3150 a type series. Siemens ag, energy sector, gasinsulated switchgear type series 8dn8. Operation and maintenance of a gas insulated substation. Download it once and read it on your kindle device, pc, phones or tablets.
Electrical power substation engineering and layout. Other requirements of the substation electrical system 56 10. Gis elk3 azerbaijan 1 substation 7 bays bahrain 1 substation 12 bays hong kong 1 substation 24 bays. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches equipment for carrying power to grid. Recent technological developments have had a tremendous impact on all aspects of substation design and operation. Implementation of an offtheshelf solution for substation design which supports electromechanical. Implementation of an offtheshelf solution for substation design which supports electromechanical, civil and electrical design. Guide for the design, construction and operation of electric. With 80% of its chapters completely revised and two brandnew chapters on energy. Pgcil, new delhi 400220 kv gis substation with central. Electric power substations for community acceptance and environmental compatibility 1. Your computer may not have enough memory to open the image, or the image may have been corrupted. Gigahertz 1,000,000,000 hertz or cycles per second. Insitu insulation test of 400 kv gis article pdf available in ieee transactions on dielectrics and electrical insulation 155.
Gas insulated switchgear gis general presentation abb group. 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. The en closure can be provided with generously sized view. The substation is fed 16 mw power from 3 generating stations a,b,c through 400 kv single circuit lines working at around 87% loading the power is received on 400 kv busbar double main and transfer. 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. The power from gis was fed into two 100 mva transformer which stepped the voltage down to 66 kv. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures. Product brochure gasinsulated switchgear type elk3 gis. Product brochure gasinsulated switchgear type elk3 gis for. Substation design volume ii physical layout instructor. Building a 230 kv substation to provide dependable power, the energize eastside project will build a new transformer inside of a substation. Mediumvoltage shielded power cable 2 kv up to 35 kv.
This handbook offers the whole knowledge of high voltage substations from their design and construction to the maintenance and the ongoing management, the. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Due to this, some gis arrangements are grouped to address several voltage ratings. With 80% of its chapters completely revised and two brandnew chapters on energy storage and smart grids, electric power substations engineering, third edition provides an extensive updated overview of substations, serving as a. A major difference between conventional air insulated substations ais and the gas.
Download as pdf, 400200 kv substation 400200 kv substation design scribd. Impact of new grid developments on substation design. 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. Westinghouse electric corporation, electrical transmission and distribution reference book. Restart your computer, and then open the file again. The substation is fed 16 mw power from 3 generating stations a,b,c through 400 kv single circuit lines working at around 87% loading the power is received on 400 kv busbar double main and transfer bus scheme. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit breaker combination in gas insulated substation. September 2008 and subsequently standard design criteria guidelines for balance of. The substation will transform the voltage from 230 kv to 115 kv, a. Guide for the design, construction and operation of.
Engineering and supply four transformer positions 40033 kv 150mva and two line positions, double bar by gis. Substation configuration reliability 1 reliability of substation configurations daniel nack, iowa state university, 2005 introduction while one of the strongest points in a power system is the electric substation, it still contains what could be described as weak points or points of failure that would lead to loss of load. The substation is located along the suez gulf and about 52 km south of city of. No description of technical parameter unit data 1 nominal system voltage kv. The substation will transform the voltage from 230 kv to 115 kv, a lower level that powers the local electric system. Abb substations with gasinsulated switchgear gis are unmatched when it comes to. Ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802. The primary function of a 400220 kv substation would be to provide a conversion of different voltage levels so that power systems can be connected together to form a power system.
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