Dynamics of Metallic Particle Contamination in Gas Insulated Substation (GIS)
نویسندگان
چکیده
منابع مشابه
Mitigation of Transient Overvoltages Generated Due to Switching Operations and Lightning in Gas-insulated Substation (GIS) Without Extra Limiter
Gas-insulated substations (GIS) have different specifications in proportion to air-insulated substations. Transformer failures related to lightning and switching are often reported in the gas insulated substation (GIS). This problem is the voltage magnifications due to reflections of switching and lightning surges at various junctions within the GIS. thereby overvoltages in GIS are more importa...
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An important task of the asset management process is the evaluation of the long-range investment and resource planning of the assets of the complete power system and the life cycle cost assessment of different type of substations. The calculation of the long-range investment and resource planning can be performed by using dynamic asset simulation tools, which represent the statistical behavior ...
متن کاملEffect of Lightning Impulse Voltage on the Performance of 1-phase Gas Insulated Busduct in the Presence of Metallic Particle Contamination with Sf6/n2 Gas Mixtures
SF6 is the main mode of insulation in a GIS. However, in recent years, the future use of SF6 has been debated throughout the world in spite of it having all the desirable properties of a good insulating and arc quenching medium. Sulfur hexafluoride (SF6) has been used as a gaseous dielectric (insulator) in high voltage equipment since the 1950s. It is now known that SF6 is a potent greenhouse w...
متن کاملDemand for electrical power has become one of the major challenges faced by the developing countries
In this context of changing and challenging market requirements, Gas Insulated Substation(GIS) has found a broad range of applications in power systems for more than two decades because of its high reliability, easy maintenance and small ground space requirement etc. SF6 has been of considerable technological interest as an insulation medium in GIS because of its superior insulating properties,...
متن کاملTitle: Free moving metallic particle detection in GIS
High reliability of gas insulated switchgear apparatus is diminished by the presence of defects inside the system. The most common defects are due to metallic particles. This defect can be detected by several techniques, one of which is that using acoustic sensors placed on the enclosure. This paper presents the technique to detect metallic particle from the parameters of acoustic signal such a...
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ژورنال
عنوان ژورنال: International Journal of Electronics and Electical Engineering
سال: 2013
ISSN: 2231-5284
DOI: 10.47893/ijeee.2013.1032