Results 61 to 70 of about 107 (80)
Computation of very fast transient overvoltages (VFTO) in a 1000 kV gas insulated substation
2017 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2017 Very fast transient overvoltages (VFTO) generated in a gas insulated substation (GIS) during disconnector switching operations is one of the major concerns in insulation design of the GIS. Such over voltages can cause malfunctioning of the protection and control circuits in addition to initiating faults inside the gas insulated bus ducts of the ...
M. A. Haseeb, M. Joy Thomas
exaly +4 more sources
Some of the next articles are maybe not open access.
Related searches:
Related searches:
Analysis of very fast transient overvoltages (VFTO) from onsite measurements on 800 kV GIS
IEEE Transactions on Dielectrics and Electrical Insulation, 2012In IEC 60071-1 and 62271-102, there is neither standard voltage shape nor standard peak value for very fast transient overvoltages (VFTO). Previous work by other researchers had classified VFTO into two types. A new type was identified in this paper based on an onsite test on a commercially-operated 800 kV GIS.
null Yunge Li +4 more
openaire +3 more sources
Study of the behavior of low voltage ZnO varistors against very fast transient overvoltages (VFTO)
Electric Power Systems Research, 2023Clara Rojo Ceballos +4 more
openaire +3 more sources
Science in China Series E: Technological Sciences, 2009
There are some difficulties in using multi-transmission-line (MTL) model for wide band modeling of whole windings of the large power transformer. In this paper, the normalized MTL model is firstly derived, with which not only the difficulty of modeling windings with different turn-lengths using MTL can be solved, but also the model can be extended to ...
Yu Yang, ZanJi Wang
openaire +1 more source
There are some difficulties in using multi-transmission-line (MTL) model for wide band modeling of whole windings of the large power transformer. In this paper, the normalized MTL model is firstly derived, with which not only the difficulty of modeling windings with different turn-lengths using MTL can be solved, but also the model can be extended to ...
Yu Yang, ZanJi Wang
openaire +1 more source
This paper deals with the very fast transient over-voltage (VFTO) in a 400 kV Gas insulated substation (GIS), with a special focus on the influence of GIS configurations and trapped charge on this overvoltage.
Omar Kherif
exaly +2 more sources
Measurement of very fast transient overvoltages (VFTO) in a GIS module
11th International Symposium on High-Voltage Engineering (ISH 99), 1999Gas insulated substations (GIS) have found a wide range of acceptance in power system for their compactness, high reliability and freedom from periodic maintenance (large mean time between failures). This paper deals with the design and development of a capacitive voltage divider for measuring VFTO, as encountered in GIS.
openaire +1 more source
Influence of switching conditions on the VFTO magnitudes in a GIS
IEEE Transactions on Power Delivery, 2001 Estimation of Very Fast Transient Overvoltage (VFTO) has been carried out using EMTP for various switching conditions in a 420 kV gas insulated substation.
Naidu, MS, Kumar, Vinod V, Thomas, Joy M
exaly +1 more source
Influence of the Switching Speed of the Disconnector on Very Fast Transient Overvoltage
IEEE Transactions on Power Delivery, 2013Chen Weijiang, Xiang Zutao
exaly
Experimental Research on Very-Fast Transient Overvoltage in 1100-kV Gas-Insulated Switchgear
IEEE Transactions on Power Delivery, 2013Yinbiao Shu, Xianglian Yan
exaly