Access to EMTP user presentations, webinars, and slide deck presentations.
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9 presentations for Transformers:
Author(s): Neerajchandra Patel
Type:Technical Presentation
Downloaded: 8
Date: 2022-09-01
Ferroresonance Phenomena for Voltage Transformer failure – Simulation & Analysis using EMTP and Mitigation Technique
Abstract
Ferroresonance is an oscillating phenomenon between a non-linear inductance and a capacitor that can results in highly distorted over voltages and overcurrent. Ferroresonance phenomenon occurs when a ... see more
Tag(s): Ferroresonance, Transformers, Low-Frequency Transients, Overvoltage, Non-Linear Element
Author(s): Mr. Suyash Kulkarni - Mr. Suved - M. Pakade
Type:Technical Presentation
Date: 2021-09-03
Ground Fault Detection and Feeder Protection of 2x25kV Railway Traction System
Abstract
In a new 2X25 kV System, Scott transformer is used as a traction transformer and to supply the power to the railway traction system. It is protected using the percentage differential relay.
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Tag(s): Fault Detection, protection, railway, traction
Author(s): N.K. Nathan
Type:Technical Presentation
Date: 2021-09-01
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
Author(s): N.K. Nathan
Type:Technical Presentation
Date: 2021-09-01
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
Author(s): Jin Yang - Ener-Phase Solutions
Type:Technical Presentation
Date: 2021-06-21
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