Analysis And Suppression Of Transient Over-Voltages In GIS: Estimation of Transient over Voltages in GIS - Couverture souple

Jayalakshmi, S.; Venkatasubramanian, K.

 
9786202523486: Analysis And Suppression Of Transient Over-Voltages In GIS: Estimation of Transient over Voltages in GIS
Couverture souple
ISBN 10 : 6202523484 ISBN 13 : 9786202523486
Editeur : LAP LAMBERT Academic Publishing, 2020

Synopsis

In our country a few Gas Insulated Substations (GIS) units have been in operation and large number of units are under various stages of installation. Although GIS have been in operation for several years, some of the problems need attention. These problems include, generation of over voltage during dis-connector operations, line to enclosure faults etc. These over voltages are caused in two ways, viz., due to switching operations of circuit breaker and line to enclosure faults. In the project work, very fast transient over voltages are generated due to switching operations have been analyzed and presented. Since the contact speed of dis-connector switches is low, re-striking occurs many times before the current interruption is completed. Each re-striking generates transient over voltage with different levels of magnitude. Since these transients have traveling wave behavior, they travel to the external systems through enclosures, bushings, cable joints etc., and cause damage to the outside equipment. They can lead to secondary break downs in GIS and may give rise to electromagnetic interference.It is important to develop a suitable simulation models for estimation of these voltages.

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Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2020
Langue
anglais
ISBN 10 
6202523484
ISBN 13 
9786202523486
Reliure
Broché
Nombre de pages
116
Coordonnées du fabricant
non disponible
Personne responsable
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