A gas insulated substation due to its modular construction and compact nature is a viable alternative to the conventional air insulated substation. Siemens delivered the first gas insulated substation for a rated voltage of 420 kv. A uniform procedure is a prerequisite to assure such hardware is either free from visible corona or does not add any appreciable ri to that already being generated by the transmission line or substation conductors. Gas monitoring systems used in gis according to ieee. Guide for the application of gas insulated substations 1. Use insulated spring wire connectors with plastic caps for copper conductor splices and taps, 10 awg and smaller. Singh, behavior of metallic particles in a single phase gas insulated electrode systems with dielectric coated electrodes, in ieee international conference on condition monitoring and diagnosis cmd2008, 377380, beijing.
Electric field computation of epoxy nano and micro. Thomas graduated with a masters degree in electrical engineering from htwk in leipziggermany in 1996 specializing in power technology. The assembly of apparatus used to change some characteristice. Gas insulated substation definition a gas insulated substation gis is a substation that uses a superior dielectric gas, sulfur hexafluoride sf 6, highvoltage gas insulated substations have been in service since the early 1960s. Abb introduce secondary distribution networks digital switchgear. Pdf technology progress in highvoltage gasinsulated substations. Gis substation design and execution hv and ehv gis. This guide is primarily concerned with outdoor ac substations, either conventional or gas insulated. A gas insulated substation gis uses a superior dielectric gas, sf6, at moderate pressure for phasetophase and phasetoground insulation. A gas insulated substation gis uses a superior dielectric gas, sf 6, at moderate pressure for phasetophase and phasetoground insulation.
Posted nov 10 2010 by edvard in high voltage, medium voltage with 5 comments translate to your language a gasinsulated substation gis uses a superior dielectric gas, sf6, at moderate pressure for phasetophase and phasetoground insulation. Substation automation and the ems ieee conference publication. Ieee guide for safety in ac substation grounding sponsor substations committee of the ieee power engineering society approved 30 january 2000 ieee sa standards board abstract. Two day national conference rteece2014 17th,18th january 2014 88 optimized design of substation grounding system. Guide for the design, construction and operation of.
Practical and theoretical aspects are handled by acknowledged gis experts who have been involved with the technology from the. Thomas schulz, manager north american gas insulated substations, abb. Pdf express and pdf express plus, ieeefinanced author tools that assist ieee conference organizers in obtaining ieee xplorecompatible pdfs from their authors, are online. A substation automation system can perform many functions. Comprehensive reference covering all aspects of gas insulated substations. Gis utility research a historical perspective springerlink. Ges t155 hgis meet the challenges of networks up to 420 kv for all applications.
Substation integration and automation approaches and best. The requirements for gas insulated substations gis for alternating current applications above 52kv are contained in this standard. Ieee pes chicago chapter substation integration and automation approaches and best practices protocol fundamentals communication protocol allows two devices to talk to each other each device must have the same protocol implemented, and the same version of the protocol both devices from same supplier, and protocol. 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. An overview on gis gas insulated substation engineering ieee foothill society pes chapter and ieee pes student chapter, cal poly pomona are pleased to sponsor a talk on the topic, an overview of gis substation engineering, by mr. Then, a long shortterm memory lstm network is utilized for fusing the embedded multisensor information. In north america mostly ieee and ansi standards are used, much of the rest of the world. Ieee recommended practice for the interface of new gas insulated equipment in existing gas insulated substations rated above 52 kv. Ge provides a full range of gasinsulated substations gis for utilities and industries worldwide. Ieee pes technical committee working group recognition award. Operation of 800 kv equipment has proved successful since the end of 1979. Click submit pdf for checking or submit source files for conversion indicate platform, source file type if applicable, click browse and navigate to file, and click upload file. This standard supplements ansi ieee std 3151975 by providing symbols approved by the.
Iv general technical specification for 220kv sf6 gas insulated metal enclosed switchgear on photo. Is that the highvoltage current carrying parts are within a metal enclosure and are held in a concentric configuration by cast epoxy spacer. Optimized design of substation grounding system using newly. This analysis was done using methods as outlined in the application guides ieee. Mar 18, 2014 sub stationsair insulated substations 1.
Several crucial terms are for better understanding of the presented material. Gas insulated substations is an allinclusive reference guide to gas insulated substations gis which takes account of its basic principles, technology, application, design specification, testing and ownership issues. Measure the resistance of the substation ground grids in accordance with ieee std. 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. Our gas insulated switchgear for rated voltages from 72. Gis technology originated in japan, where there was a substantial need to develop technology to make substations as compact as possible. It discusses some introductory and advanced aspects in the meaning of applications.
The sf6 gas insulated substation gis is assembled by several sf6 gas insulated switchgear configurations in an outdoor enclosure which could reach ip54 protection grade. Gis is an assembly of switching and bus components and may contain a number of buses, circuit breakers, switches, instrument transformers, arresters, and primary terminations. It requires minimum floor space and building volume. Ieee guide for safety in ac substation grounding sponsored by the substations committee ieee 3 park avenue new york, ny 100165997 usa ieee power and energy society ieee std 8020 revision of ieee std 802000 incorporates ieee std 8020cor 12015 authorized licensed use limited to. K12 ieee guide for specifications for gas insulated substations rated 52kv and above chair george becker 5. Pd test in gas insulated substation using uhf method abstract. The substations committee is governed by the ieee pes technical council and the ieee standards association. Gas insulated substations euci conference 2020 in anaheim. P1267 guide for development of specification for turnkey substation projects 2.
Evaluation of gas insulated substations and circuit breakers using. Gas insulated substations electrical substation insulator. The metalenclosed gas insulated switchgear inherently follows the criteria for new substation design and offers a higher reliability and flexibility than other solutions. Gasinsulated substations gis have been in use for many years worldwide, especially at the lower voltage classes. Letters are sometimes added to specify the application ieee standard c37. Many electric utilities are moving strongly into substation automation, which is generally perceived as involving the use of intelligent electronic devices teds as the primary source of data from the substation. The high voltage conductors, circuit breaker interrupters, switches, current transformers, and voltage transformers are in sf 6 gas inside grounded metal enclosures. Gas insulated transmission lines gil are a means of bulk. The entire system will work at 380 kv service voltage. This guide provides information of special relevance to planning, design, testing, installation, operation and maintenance of gas insulated substations giss and equipment. For example, grounding of gas insulated substations and metal clad switchgear is not discussed in this guide.
Pdf in the last two decades, the evolutionary development of gasinsulated substationsswitchgear. An organization and procedures manual is the primary governing document for all matters, except standards development. This guide provides information on the different bus arrangements used in substations stating the advantages and disadvantages of each. Very fast transient over voltage vfto is a unique electromagnetic transient phenomenon occurring in gas insulated substation gis, which determines the insulation level of the gis above 330 kv. Use solderless pressure connectors with insulating covers for copper conductor splices and taps, 8 awg and larger. The substations committee is the professional home for all engineers involved in the design and operation of generation, transmission and distribution substations. With proper caution, the methods described herein are also applicable to indoor portions of such substations, or to substations that are wholly indoors.
Contents introduction conventional substation ais limitation of ais need for gis introduction to gis gis unique features components of gis substation advantages of gis over conventional open air substation disadvantage of gis next. Work with switchgear committee on ratings of breakers for gas insulated substations. Optimized design of substation grounding system using newly developed ieee compliant software issn. A special issue on resiliency in smart grids part 2 ieee. Local control cabinet lcc in gas insulated substation gis.
Gas insulated substations high system reliability highflexibilityofitssolutionsmodularityexpandability gas insulated substations high flexibility of its solutions modularity, expandability compact space saving solutions innovative solutions devices, switchgears low life cycle costs reliable and competent partners operator, manufacturer. The substations committee is one of the technical committees under the direction of the technical council of the ieee power and energy society. Ieee smart grid presents a special issue on resiliency in smart grids part 2 which features robustness assessment of interdependent gas and electric power transmission systems against cyber threats, framework for evaluating grid resiliency for local distribution companies ldcs, gas insulated substations gis for enhanced resiliency. Ieee standard for the testing, design, installation, and. The industry standard definition of an ied is given below, as well as definitions for substation integration and substation automation. Supplement to graphic symbols for electrical and electronics. Operation of a gis substation involves the same principles as operati ng an. Tom antonucci for the benefit of ieee, particularly the student members, with an interest to power systems. Expression of the persistent characteristics and supporting principles of a system or software to guide acceptable change f. Some of the insulators are designed as barriers between neighboring modules such that the gas does not pass through them. You will receive online and email confirmation of successful upload. This workshop will provide an overview of compact gas insulated substations gis and compare gis to traditional air insulated substations ais.
Gasinsulated switchgear saves space compared with airinsulated equipment. Due to the gas enclosed design, gis is the most suitable solution for indoor and underground substations. Below is the order of precedence for the organization and procedures with respective links. Gas insulated substations gis are widely used as important switchgear equipment because of its highly reliable, low space requirement, the risk factor is low and easy to maintenance, yet some failures have been reported. Standard for high voltage gas insulated substations rated above 52 kv. Outdoor ac substations, either conventional or gas insulated, are covered in this guide. The sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live constituent parts. Comprehensive reference covering all aspects of gas insulated substations including basic principles, technology. Ieee guide for safety in ac substation grounding 8 std. Gis gas insulated substations an electrical engineer.
Operation and maintenance of a gas insulated substation. Gas insulated substation mainly used for a power transmission system or a substation system, of which outgoing busbar is shortened to reduce consumption of the outgoing busbar. Ieeestdc371222010 ieee standard for high voltage gas insulated substations rated above 52 kvthe technical requirements for the design, fabrication, testing, an ieee std c37. Practical and theoretical aspects are handled by acknowledged gis experts who have been involved with the technology from the start. Each of its 18 sections is authored by leading members of ieee s substations committee and written as a. Analysis of lightning overvoltages of 800kv gas insulated. Download pdf download citation view references email request permissions. Ieee power and energy society 2015 entity annual report.
Lightning overvoltages, gis gas insulated substations, ais air insulated. With the advantage of sf6 gas insulating ability the interrupting arcs capability is 100 times more than air, gas insulated substation could operate in stable condition for. Distribution, transmission, and generating plant substations are. Long term reliability of cast epoxy insulators in gasinsulated equipment. Pdf uhf pd detection in gasinsulated switchgear suitability. Reference manual emtp theory book, bonneville power. Pd test in gas insulated substation using uhf method ieee. Ieee standard for high voltage gas insulated substations rated above 52 kv. A proper design of the substation bus ensures a safe and reliable operation of the substation and the power system. Ieee std 8371989 eee standards ieee standards substations.
Review,study, and document the design, application, installation, testing, operating and maintenance practices for gas insulated substations gis 1 kv and above, gas insulated transmission lines gil 72. Gas insulated bus has a surge impedance 70 ohm more than that of the conventional oil filled cables, but much less than that of a over head line 300 400 ohms6. Due to its enclosed construction, gas insulated substation is operable under. Record of the the 2002 ieee international symposium on electrical insulation cat.
Products include gas circuit breakers, vacuum circuit breakers, power transformers, gas insulated substations, power electronics and electricity transmission technologies, generator services, uninterruptible power supplies and rail transportation equipment. 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. The high voltage conductors, circuit breaker interrupters, switches, current transformers, and voltage transformers are in sf6 gas inside grounded metal enclosures. Presented paper refers to service continuity of gas insulated substations, a topic which is also dealt in annex f of iec international standard no. Article pdf available in ieee electrical insulation magazine 126. Pdf uhf partial discharge detection in gasinsulated switchgear gis has advantages. A gas insulated substation gis is a substation that uses a superior dielectric gas, sulfur hexafluoride sf6,high voltage. Insulated substation gis is different from that of the conventional substation because of certain unique properties of the former5. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Ieee guide for safety in ac substation grounding ieee std 802000. It is suitable for both indoor and outdoor applications. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Gasinsulated switchgear transmission products siemens.
Gasinsulated switchgear saves space compared with air insulated equipment. No attempt is made to cover the grounding problems peculiar to dc. Gas insulated substations wiley online books wiley online library. Since substation integration and automation technology is fairly new, there are no industry standard definitions, except for the definition of an ied. Details advanced and basic material, accessible for both.
In an electric power system, switchgear is composed of electrical disconnect switches, fuses or. Since gis substation require long term outages before repairs can be made. Table of ansi ieee standard device numbers systems. Not assemblies are devices which follow one function or a combination of functions in one device. These include distribution, transmission, and generating plant substations. An overview on gis gas insulated substation engineering. Modeling and analysis of a 3phase 2kv gas insulated substation.
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. These tools are free to all conferences that are enrolled in the ieee conference publications program. Gis there are two terms presented in iec gas insulated switchgear and ieee gas insulated substations. Distribution, transmission, and generating plant substations are also included. Technology progress in highvoltage gasinsulated substations. Despite the high reliability of modern gas insulated switch gear and substations gis, failures still occur in their long term operation. The gas insulated substation is a good alternative to the openair substation due to its compactness, the insensitivity of its insulation to environmental pollution, its modular design, and its ease of installation, even inside buildings. An overview on gis gas insulated substation engineering ieee. Any device incorporating one or more processors with the. Two different types of buses are used in substations, the rigid bus and the strain cable. Decomposition in gasinsulated equipment, ieee trans on electrical. Analysis of effective factors on transient ground potential.
The portfolio includes gis solutions from 60 to 800 kv, along with secondary products to maximize switchgear and network operation. Energy sector power transmission high voltage substations. The live parts and supported on at resin insulators. Guide for the design, construction and operation of electric. Sf6 gis gas insulated substation manufacturer in china. Ieee std 8372002 revision of ieee std 8371989 i eee standards 837tm ieee standard for qualifying permanent connections used in substation grounding published by the institute of electrical and electronics engineers, inc. In north america protective relays are generally referred to by standard device numbers. Atpdraw is the time domain based transient software. You will receive an email with your checked pdf or ieee pdf expressconverted pdf attached. Both ais and gis installations use circuit breakers, disconnect switches isolators, and earthing switches, and have different means of showing their status, either opened or closed. This course is based on terms used in ieee and iec regulations.
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