Introduction To Gas Insulated Switchgear And Substations

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.

Introduction to gas insulated switchgear and substations.

Attendees will gain a perspective from both an original equipment manufacturer oem and utility on the lifecycle journey to a gis installation including costs and long term roi. The siemens range of gas insulated switchgear gis for rated voltages from 72 5 kv up to 550 kv is an extremely successful product concept. The metal enclosed gas insulated switchgear inherently follows the criteria for new substation design and offers a higher reliability and flexibility than other solutions. This article is an introduction to gas insulated substations.

Require more space than gas insulated substations. Gas insulated switchgear gis complete portfolio for all applications and environments gas insulated high voltage switchgear gis is a compact metal encapsulated switchgear consisting of high voltage components such as circuit breakers and disconnectors which can be safely operated in confined spaces. A compact multicomponent device enclosed in agrounded metallic case in which the basic insulating medium is sf6 gas and which icallytyp includes buses switches circuit breakers. Other common types are oil or vacuum insulated switchgear.

The hybrid switchgear is a mix of ais and gis technology and can. Introduction substations are an important part of the electrical distributions. 1 2 gas insulated substations gis gas insulated substations gis are different from air insulated substations as all the. This course will attempt to provide an in depth understanding of gas insulated substations gis including design construction operations and maintenance.

Gis there are two terms presented in iec gas insulated switchgear and ieee gas insulated substations in ieee c37 122 gas insulated switchgear gis. They transform the. A switchgear may be a simple open air isolator switch or it may be insulated by some other substance. Due to the gas enclosed design gis is the most suitable solution for indoor and underground substations.

Gas insulated substations ge provides a full range of gas insulated substations gis for utilities and industries worldwide. Since its introduction back in 1968 siemens has installed switch fields in all climatic zones of the earth recording over 420 000 years of operation since. Gas insulated substation gis design. A gas insulated substation gis is a high voltage substation in which the major conducting structures are contained within a sealed environment with a dielectric gas known as sf6 or sulfur hexafluoride gas as the insulating medium.