Results 21 to 30 of about 7,424,509 (170)
Suppressing resonance in transformer winding under very fast transient overvoltage
, 2016 This paper presents a new method for suppressing internal resonance in power transformers connected to gas insulated substation (GIS) due to very fast transient overvoltage (VFTO) in the GIS.
Ahmed Abu-Siada (23287114) +1 more
core +2 more sources
Analysis of Discharge Faults Between Flanges Caused by Transient Enclosure Voltage
IEEE Access, 2020 An increase in transient enclosure voltage can threaten the personal safety of workers and the normal operation of secondary equipment and may cause discharge between the flanges of gas insulated switchgear (GIS) enclosures.
Jisheng Li +4 more
doaj +1 more source
The Journal of Engineering, 2019 An accurate computational model of transformer winding for potential distribution analysis under impulse voltage is very important for the design of transformer inter-turn insulation, especially for large capacity transformers such as ultrahigh-voltage ...
Shuang He +7 more
doaj +1 more source
Study on transient voltage distribution characteristics of transformer windings [PDF]
, 2020 Very fast transient overvoltage (VFTO) with large waveform steepness and high amplitude can cause great harm to winding insulation of transformers and other equipment connected to it.
Ying,, Zang +3 more
core +1 more source
High Voltage, 2023 The switching operation of gas insulated switchgear (GIS) disconnector will produce multiple random spark discharges between the gas gaps of the disconnector.
Zihan Teng +7 more
doaj +1 more source
Research on Conducted Disturbance to Secondary Cable Caused by Disconnector Switching Operation
Frontiers in Energy Research, 2022 The disconnector switching operation in GIS not only generates very fast transient overvoltage (VFTO) in primary equipment, but also couples to the secondary system, which affects normal operation of the secondary equipment.
Xiaoyue Chen +6 more
doaj +1 more source
, 2020 The recognition of transient overvoltage characteristics is the premise of disturbance compensation of the transient overvoltage. Based on that, the recognition algorithm of transient overvoltage characteristics based on symmetrical components estimation
Jimeng Zhang, Yanzan Han
core +1 more source
Research and Experiments on an External Miniaturized VFTO Measurement System
Sensors, 2019 Disconnect switch and circuit breakers operations in gas insulated switchgear (GIS) systems may produce very fast transient overvoltage (VFTO). Detecting VFTO is the first step for researchers to reduce the damage to other equipment of the substation ...
Lizhe Wang +5 more
doaj +1 more source
Device for Protection Against Transient and Temporary Overvoltage Including Limitation of the Specific Energy [PDF]
, 2017 An arrangement is presented which ensures protection against transient and line frequency overvoltage and limits the load on the consumer to a minimum even in case of transient currents. The arrangement consists of a special arrester in the shunt circuit,
Ehrhardt, A., Bühler, K.
core +1 more source
Applied SciencesWhen the electric locomotive pantograph is dropping, the interruption of pantograph catenary contact causes electromagnetic oscillation and arcing. The frequent arc burning that occurs due to charge accumulation results in the amplitude of overvoltage ...
Dazuo Jiang +5 more
doaj +1 more source