Technical Presentations

Access to EMTP user presentations, webinars, and slide deck presentations.

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25 presentations for analysis:




VFTO Induced TGPR Analysis for 400kV GIS Substation
Author(s): N.K. Nathan
Type:Technical Presentation
Date: 2021-09-01
Rating:
* 0 vote(s)

VFTO Induced TGPR Analysis for 400kV GIS Substation


Abstract
Transient enclosure voltage (TEV) also known as Transient ground potential rise (TGPR) is a special case of VFTO. This phenomenon refers to short rise time, short duration high voltage transient which... see more

Tag(s): gis, vfto, very fast transient


VFTO Induced TGPR Analysis for 400kV GIS Substation
Author(s): N.K. Nathan
Type:Technical Presentation
Date: 2021-09-01
Rating:
* 0 vote(s)

VFTO Induced TGPR Analysis for 400kV GIS Substation


Abstract
Transient enclosure voltage (TEV) also known as Transient ground potential rise (TGPR) is a special case of VFTO. This phenomenon refers to short rise time, short duration high voltage transient which... see more

Tag(s): gis, vfto, very fast transient


Single Pole Auto Reclosure and NGR Analysis
Author(s): Neeraj Patel - Adani Power
Type:Technical Presentation
Downloaded: 0
Date: 2021-06-21
Rating:
* 2 vote(s)

Single Pole Auto Reclosure and NGR Analysis


Abstract
Unsuccessful auto reclosure has been observed in 765 kV HVAC transmission lines connected with Generation Bus. Back up Impedance Protection of Line reactor triggered during AR dead time due to power f... see more

Tag(s): single pole, analysis, auto reclosure, line reactor


Modeling and evaluation of overvoltage
Author(s): Jin Yang - Ener-Phase Solutions
Type:Technical Presentation
Date: 2021-06-21
Rating:
* 1 vote(s)

Modeling and evaluation of overvoltage


Abstract
A case study will be presented demonstrating modeling of overvoltage in a moderately sized system involving medium voltage vacuum breakers, cables and transformers. The focus is on simulating high fre... see more

Analysis of voltage transformer failures at Jirau GIS with the EMTP
Author(s): Angelica Rocha & Gustavo Oliveirra - ATG Engenharia & Federal Univ. of Parana
Type:Technical Presentation
Date: 2021-06-21
Rating:
* 0 vote(s)

Analysis of voltage transformer failures at Jirau GIS with the EMTP


Abstract
The presentation will discuss the analysis of successive dielectric failures of inductive voltage transformers (VT) at a 500 kV GIS of Jirau hydroelectric plant in Brazil. All the failures involved th... see more


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