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. Scribd is the worlds largest social reading and publishing site. Areva aeg alstom wsa gas insulated switchgear, siemens 8da10 gas. Gasinsulated substation article about gasinsulated. Substation safety surveys substation survey powerpoint. Are you looking for gas insulated substation wikipedia. Preparing for the smart grid evolution the airinsulated substation, with a capacity of 220 kilovolt kv, was deployed by abb in 2008. Gas insulated substation authorstream presentation. We provide most tagged page list related with gas insulated substation wikipedia and more. The portfolio includes gis solutions from 60 to 800 kv, along with secondary products to maximize switchgear and network operation.
Controlling a substation by a fuzzy controller speeds up response time diminishes up the possibility of risks normally related to human operations. Gas insulated substation free download as powerpoint presentation. All rights reserved gasinsulated switchgear gis presentation transcript. The high voltage conductors, circuit breaker interrupters, switches, current transformers, and voltage transformers are in sf6 gas inside grounded metal enclosures. Lsis who has been a leader in electricity and automation in. Gas insulated substations gis use circuit breakers, disconnect switches and grounding switches, and have various means of indicating their position. Compressed gas insulated substations cgis consist basically a conductor supported on insulators inside an enclosure which is filled with sulfur. Gis technology originated in japan, where there was a substantial need to develop technology to make substations as compact as possible. Substation the basics of a substation configuration and its components.
A gas insulated substation gis uses a superior dielectric gas, sf6, at moderate pressure for phasetophase and phasetoground insulation. Gas insulated switchgear gis is very compact and therefore represents a spacesaving alternative to classic air insulated installations. The low insulation distances are guaranteed by the high dielectric strength of the sulfur hexafluoride sf 6 gas. A switchgear may be a simple openair isolator switch or it may be insulated by some other substance. Gis with conventional air insulated substation ais. Gis there are two terms presented in iec gas insulated switchgear and ieee gas insulated substations. Gas insulated substation sf6 gas gas insulated substations are high voltage substations that are compact, requiring little maintenance when compared to airinsulated conventional substations. The new 500220 kilovolt kv gas insulated substation will dispatch 1.
Solid insulation cables have limits when it comes to the voltage that can be carried safely, and oil impregnated paper cable are also limited in the capacity. Seminar on gas insulated substation linkedin slideshare. Main components of a gas insulated substation gis you should know about. Microsoft powerpoint ieee pes ftw substation presentation 20140819 author. Gas insulated substations gis is a compact,multicomponent assembly enclosed in a ground metallic housing in which the primary insulating. A perfect condition of the insulation is essential. An assembly of apparatus installed to control transmission and distribution of electric power. Gas insulated substation live tank and circuit switchers hybrid circuit breaker generator circuit. Jan 02, 2019 sf 6 gas pressure for insulating purpose is generally kept below 2. Gas insulated substation electrical substation transformer. Sf 6 gas pressure for insulating purpose is generally kept below 2.
The speakers will discuss reliability and system planning implications for gas insulated substations. We are happy to provide advice and make recommendation for the appropriate electrical safety equipment, including. Thin film pressure transmitters, stainless steel construction. Earthing switch slowoperating earthing switch are used for protection purpose when work is being done in the substation, but are operated only when it is certain that the highvoltage system is not energized. Based on purpose substation may be transmission substation, distribution substation.
Sulphur hexaflouride sf6 gas the primary insulating medium. Gis can therefore be smaller than ais by up to a factor of 10. Gis highvoltage gas insulated switchgear substations. 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. Gasinsulated switchgear gis is very compact and therefore represents a spacesaving alternative to classic airinsulated installations. A gas insulated substation gis is a substation that uses a superior dielectric gas, sulfur hexafluoride sf6,high voltage. Beta has completed several noteworthy highvoltage gas insulated switchgear substations gis systems. Gis final electrical substation insulator electricity. Home technical articles main components of a gas insulated substation gis you should know about gis components gas insulated substations gis use circuit breakers, disconnect switches and grounding switches, and have various means of indicating their position, either opened or closed, so the same as. A gas insulated substationgis is a substation that uses a superior dielectric gas, sulfur hexafluoride sf6,high voltage.
Partial discharge training sf6 training substation training. Siemens transmission products presentation digital asset. Compressed gas insulated substations cgis consist basically a conductor supported on insulators inside an enclosure which is filled with sulfur hexafluoride gas sf6. Nov 25, 2015 gas insulated switchgear proficient webinar. Special problems in gas insulated substations gis and their.
Gas insulated switchgear is used in industrial areas to fulfil highenergy demands by space saving design with a. Gas insulated substation sf6 gas gas insulated substations are high voltage substations that are compact, requiring little maintenance when compared to air insulated conventional substations. A gas tight barrier insulator in switchgear serve for the separation of gas compartments and prevents neighbouring switchgear parts from being affected during maintenance. Artificial intelligence substation control seminar.
Gas insulated substations conference 2018 in washington dc. Ge provides a full range of gis solutions from 60 to 800 kv for utilities and industries worldwide. Conventional substations using atmospheric air as the main dielectric cannot satisfy these requirements, but totally enclosed substations using sulphur hexafluoride sf6 gas insulation that are also known as gas insulated substations gis. The author in his paper has made comparison of gas insulated substation. Think you know what a gas insulated substation gis. Gas insulated 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. Several crucial terms are for better understanding of the presented material. The things you dont know about sf6 gas theelectricalguy duration. The construction of gas insulated transformer is basically the as an oil insulated transformer with small difference that oil is replaced by sf6 gas. Abb substations with gasinsulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for. High voltage substation design approach for utility systems by.
Download artificial intelligence substation control ppt presentation slides and seminar report in pdf for free for cse students. Primarily used in substations located in urban areas including inside buildings, underground due to safety benefits. 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. The portfolio includes gis solutions from 60 to 800 kv, along with hybrid, mobile and digital gis solutions, gas insulated lines and other secondary products to maximize switchgear and network operation, including springoperated mechanisms for ais, gis and generator circuit breakers. The reliability of gas insulated substations is of at most importance as any small failure can elevate to a major problem in the grid it is connected to resulting in blackouts in the power system. They will compare substation safety and security using ais vs. The things you dont know about sf6 gas theelectricalguy. Introduction to substations annotated instructors guide module overview this module introduces trainees to the function of substations at all levels of the power grid, with an introduction to typical substation components included.
These instructions for assembly are an integral part of the product and must be stored so that they are at any time readily accessible for and can be used by persons who are to work on the switchgear. A gasinsulated substation gis uses a superior dielectric gas, sf6, at moderate pressure for phasetophase and phasetoground insulation. Normally stations are where we catch trains or buses. Gas insulated shunt reactor features suitable for installation excellent history of reliability and safety fine radial core circular yoke and circular tank low loss easy maintenance manufacturing range voltage. 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. 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. Ppt for gas insulated substation market powerpoint ppt presentation. Gasinsulated switchgear gis standards iec 62271203 highvoltage switchgear and controlgear gasinsulated metalenclosed switchgear for rated voltages. We also supply complete substation safety audits, which allow our clients to promptly verify the electrical safety of electrical substations and personnel. Abb substations with gas insulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and industrial customers. Life time dielectric quality assured no checks, no. Ppt for gas insulated substation market 1 gas insulated substation market trends and forecast 20172024 gas insulated substation market size, industry. High voltage underground cables for power transmission have been in use for many years and number of different technologies have developed over the years.
This course is based on terms used in ieee and iec regulations. This presentation includes definitions of the various physical areas making up a power station, an airinsulated substation, or a gasinsulated substation. Increasing population coupled with rapid industrialization and growing demand for efficient. An effective although more costly form of switchgear is the gas insulated switchgear gis, where the conductors and contacts are insulated by pressurized sulfur hexafluoride gas sf 6. Gis technology originated in japan, where there was a substantial need to develop technology to. The quality of our gas insulated switchgear is the result of a rigorous standard quality management system, which has been certified in accordance with iso 9001.
Airinsulated substation article about airinsulated. As vacuum technology is not available for high voltage, so for gis or gas insulated switchgear system above 72. A perfect condition of the insulation is essential for ensuring a reliable operation of gis. Xdge is one of the most reliable gas insulated switchgear suppliers with. Sf6 free hv gis and breakers thomas rak manager of substation and tline standards engineering. Gas insulated substation presented by ajooba alam 1rnee004 eee, 8th semester under the guidance of mr. Is that the highvoltage current carrying parts are within a metal enclosure and are held in a concentric configuration by cast epoxy spacer. In the event of fault in underground network, appropriate measures are required for quick fault location and isolation. Transformer is indivisible component of power system and substation. Confidential property of schneider electric page 2 3 history of mv switchgear 5 mv air insulated switchgear 7 mv gas insulated switchgear 11 moving to fixed mounted switchgear 14 shielded solid insulated switchgear. Find powerpoint presentations and slides using the power of, find free presentations research about switchgear and protection ppt. Ppt ppt for gas insulated substation market powerpoint. If the switchgear is sold to new owners, they must receive this document along with the. Global market scenario of gas insulated substation global gas insulated substation market size is set to witness robust growth during the forecast period.
Ppt for gas insulated substation market 1 gas insulated substation market trends and forecast 20172024 gas insulated substation market size, industry analysis report, regional outlook u. An effective although more costly form of switchgear is the gasinsulated switchgear gis, where the conductors and contacts are insulated by pressurized sulfur hexafluoride gas sf 6. Ge provides a full range of gasinsulated substations gis for utilities and industries worldwide. High voltage substation design approach for utility systems. Gas insulated transformer use sf6 gas as the insulating and cooling medium instead of insulating oil. Electronics electrical mechanical engineering civil mba medicine nursing science physics mathematics chemistry ppt pdf doc presentation downloads and abstract. This presentation focuses on medium voltage ac electrical distribution systems with voltages above 1 kv, up to and including 52 kv. View and download powerpoint presentations on switchgear and protection ppt. Pioneer and technology leader driving gis innovations. Gasinsulated substations gis the atmospheric air insulation used in a conventional, air insulated substation ais requires meters of air insulation to do what sf6 can do in centimeters. A typical gas insulated substation is shown in fig. Our expert team of engineers has over 25 years of experience in substation surveys and can carry out free site visit and examine your electrical switchrooms and substation for electrical substation safety equipment requirements.