This paper presents the environmental comparison of air insulated and gas insulated switchgears for a specific 220 kv project. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. Appendix c table of contents substation drawings singer substation drawing no. Electric has built an industrywide reputation as the single source solution to all of your substation construction and maintenance needs including estimating and support, material ordering, tracking and expediting, foundation construction, steel erection, bus work installation, and power and control cable installation. For a typical 400220 kv substation, the area requirement for switchyard is. Evaluation the high voltage gas insulated substations gis based on flashovers in the 220 kv switchgears. Gas insulated substation gis vs conventional outdoor substation ais by engr.
Gdansk i gis pass substation, gdansk i poland customers need. The gasinsulated switchgear elk14 is a versatile solution for reliable energy supply up to a rated voltage of 300 kv, a rated normal current up to 4000 a and a rated short circuit current up to 63 ka. This allows for the control of power flows in the network and general switching operations for maintenance purposes. Environmental impact comparison between a 220 kv gas. Industrial summer training report on uttar pradesh power corporation limited 220 2 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava 75120016 submitted to. Asce manuals and reports on engineering practice no. This book is a reference book for academia, substation design. Giza north 500220 kv substation egypt shaker scope includes project management, design and construction supervision for electrical, civil and steel structures, control and protection systems, earthing, lightning protection, acdc systems, testing and commissioning. The most important of any substation is the grounding earthing system of the instruments, transformers etc. The robust and low maintenance gis based design minimizes the substations.
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 double arrow in the graph designates the flow of information in the upper and lower directions, where the number on the left of designates that the downstream information flows of the label, and the number on the right of designates that the upstream information flows of the. 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. The sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live constituent parts. This chapter describes the principal substation layouts, the effects of advancements in substation equipment, the modular design, the compact substations and the moves toward design and construction turnkey contract work. Small footprint made it possible to have both 400 kv and 220 kv new switchgear on the old 220 kv site. 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. Home download center electrical engineering books and technical guides power substation guides design of 4002202 kv 16 mw power substation 4002202 kv substation 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. The gis ss will have the nominal voltage of 220 kv. The input for a distribution substation is typically at least two transmission or subtransmission lines. It considered incoming power at 220 kv and the power was transferred to main bus through isolator circuit. The integrated gis provide substantial reduction of installation time compared to conventional substations.
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. Improved cable connection to mitigate transient enclosure. The addition of new 220 kv substation lalian in ntdc system is a part of ntdcs overall power development program and is proposed to strengthen the transmission system. A design layout of 233 kv, 200 mw sub station the sub station is connected with three substations or load viz. Log book records of gas pressure readings also read the pressure normal.
Product brochure gasinsulated switchgear elk14 the modular system for gis, 245 kv. Maintenance and operation of an electrical substation of. This project is made to overcome the electricity crises and to meet the power demand of gurgaon region at haryana. Consultancy technical assistance by cea 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. 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. Stage 3 detailed design report rev d tracked changed. Report on industrial summer training on 220 kv substation. Evaluation the high voltage gas insulated substations gis. The physical design of gis allows seismic criteria to be more readily. Download it once and read it on your kindle device, pc, phones or tablets. Integrated gasinsulated switchgear is a predesigned, standardized and fully integrated configuration based on abbs well proven gis technology.
This course is based on terms used in ieee and iec regulations. Product brochure gasinsulated switchgear elk14 the modular. Gis substations 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 cu stomers. Three 220 6630 kv gas insulated switchgear gis stepdown substations at zawia 3 x 100 mva transformers, benghazi central 3 x 100 mva transformers and ras lanouf 2. Overview of gis substation with comparison with ais. Pgcil, new delhi 400220 kv gis substation with central. Results confirm that the gis substation has a lower environmental impact than the ais one on the majority of environmental indicators.
The project was successfully executed on time despite short execution schedule. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The power is received on 400 kv busbar double main and transfer bus scheme. For decades, egemac has distinguished itself among egyptian companies by being the first company to design, manufacture and operate 66 kv and 220 kv for ais and 500 kv gis substations. The incoming voltage level for this substation is 220kv. Industrial summer training on 220 kv substation ppt. The portfolio includes gis solutions from 60 to 800 kv, along with secondary products to maximize switchgear and network operation. With gis experience spanning 50 years across a wide range of industries and applications, ge is a leader in the design, material selection, development, engineering, manufacturing and servicing of gis equipment. Integrated gis for 145 420 kv gasinsulated switchgear. New giza electrical substation 2202222 kv construction. Substation equipment an overview sciencedirect topics.
Typical single line diagram of the gis stations of 220 kv chamera ii h. This policy considers the galway busbar to be a single busbar and the shellybanks busbar to be a double busbar. A 220 kv new generation smart substation status monitoring information flow chart. Prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. Gis elk14 up to 300 kv gasinsulated switchgear abb. Hybrid substation combination of ais and gis are available upto 220kv. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches.
Home download center electrical engineering books and technical guides power substation guides technical specification for 220kv sf6 gas insulated metal enclosed switchgear gis sf6 gis the sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live constituent parts. This is a 220 66 kv large green field substation project based on hybrid gis technology with 3x100mva transformers. Generally, a primary substation includes a highvoltage busbar system, mediumvoltage busbar system, auxiliary system, and one or several main transformers. 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. The study evaluates the impact of the two technologies on 18 environmental indicators. Design build services for a hidden 66 kv substation in nine months, including the design, procurement, construction and landscaping, for the knoxville utilities board. Pdf evaluation the high voltage gas insulated substations gis. Highvoltage substations in the united kingdom wikipedia. Several crucial terms are for better understanding of the presented material. A large 500 220 kv gasinsulated switchgear gis for bulk power transmission has been installed in the extra high voltage ehv network in california. Type of insulators ball and socket ball and socket ball and type disc insulator type disc insulator socket type disc insulator 2.
Rehabilitation of a more than 40 year old 220 110kv ais substation. The 220 kv cashla and flagford substations are situated in western ireland, close to the main population centers. Policy statement on busbar configuration for 110 kv, 220. 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 low centre of gravity using a horizontal singlebreak puffer circuitbreaker, optimal characteristics in seismic areas could be achieved. A mini project operation and maintenance of a 2202 kv. The substations provide entry points to, and exit points from, the national grid gb or northern ireland electricity network. Ges b105 gis is a compact, fieldproven solution with high availability that meets the challenges of networks up to 300 kv for power generation, transmission, distribution, tertiary and heavy industry applications. Isolux corsan energizes one substation of the largest project. Gasinsulated switchgear elk14 the modular system for gis, 245 kv. Higher availability than solution with conventional circuit breakers and disconnectors substations.
Isolux corsan energizes one substation of the largest project for high voltage transmission lines in india. Gis shall be isolated phase or three phase nonmagnetic enclosure type for voltage less than 400 kv. Meanwhile the circuitbreaker is implemented in different applications up to 800 kv and 80 ka by using different number of breaks. Covers the design of the ground grid for safety and proper operation. This breakthrough made egemac play a pioneering role in the sector of electricity in egypt. A mini project report on operation and maintenance of 220 2kv power substation on photo. Substation layout free download as powerpoint presentation. Overhead busbar design for 220 66 kv gis substation prakruti shah1 and hetal desai2 1,2assistant professor, electrical engg department, navrachana university abstract the paper is assigned to design a 220 66 kv hv gis substation. Delivery of turnkey ais and gis substations for utility and industrial applications service, rehabilitation and. Jul 12, 2014 comparison of gis and ais substation 11. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Entry points include power stations, major wind farms and interconnectors from other countries and regions. The substation design manual is not intended to replace asset management standards, but rather. Total transmission capacity at 220 33 kv level 100 x 46 mva 4500 mva total transmission capacity at 6633 kv level 30 x 2 mva 60 mva total transmission capacity at 6611 kv level 24 x 20 mva 480 mva.
The scope of work includes, a new 2202 kv substation lalian with 3 x 250 mva 2202 kv transformer, ii two 220 kv dc transmission lines on. Distribution voltages are typically medium voltage, between 2. Gecol 220 kv transmission lines and substation projects. The main objective of this paper is to evaluate the high voltage gas insulated substations gis based on flashovers in 220 kvswitchgear. Electrical clearance in substation electrical notes. From the 220 kv bus two 220 kv single circuit lines are drawn at 90% loading to supply power to 220kv substations band c working at a diversity factor of 1. Depending upon the availability of resources these stations are constructed. Distribution substations michigan technological university. Getco, the state transmission company of gujarat is the customer. Xdge is one of the most reliable gas insulated switchgear suppliers with.
Gas insulated switchgear free download as word doc. The highvoltage 400 kv and 275 kv electricity substations in the united kingdom are listed in the following tables. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. It describes the 400kv gis system of powergrid, gurgaon substation. Product brochure gasinsulated switchgear elk14 the. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. The station is situated outdoors in a region with potential seismic activity, a desert type climate and close to residential areas. Gas insulated switchgear electrical substation transformer. Nepal electricity authority nea is establishing three 400 kv gis substations with extension of existingunder construction 220 kv gis substations at khimti,ramechap district, barhabise, sindhupalchowk district and lapsiphedi, kathmandu district of nepal under khimtibarhabiselapsiphedi 400 kv substation project. Substation references electrical substation electrical. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978.
Substation structure design guide asce manuals and reports. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. These power generating stations may be hydroelectric, thermal or atomic. Both substations are system critical to ensure the security of supply for the area. See appendix accounting impact in fy2006 of approximately eurom due to the lower book value of tax deductions pending to apply following the tax rate reduction in spain. Overhead busbar design for 22066 kv gis substation prakruti shah1 and hetal desai2 1,2assistant professor, electrical engg department, navrachana university abstract the paper is assigned to design a 22066 kv hv gis sub station. The top countries of suppliers are china, bangladesh, from which the percentage of 220 kv substation supply is 98%, 1% respectively. Apr, 2017 report on industrial summer training on 220 kv substation 1. Gis sub stations 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 cu stomers. Primary substations in a network are used to step down a high voltage level in order to supply secondary substations by lower voltage. A distribution substation transfers power from the transmission system to the distribution system of an area. You can also choose from three, single 220 kv substation, as well as from porcelain 220 kv substation there are 86 suppliers who sells 220 kv substation on, mainly located in asia.
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 positive effect of the tax reduction will be reflected in net income going forward. Design and electrical calculations for 1102203510 kv. Substation layout electrical substation electricity. Feasibility studies identified a need for improved reliability of the protection equipment to increase the availability of. September 2008 and subsequently standard design criteria guidelines for.
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