Technical Presentations

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

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144 presentations shared, ordered by presentation date.


Ferroresonance Phenomena for Voltage Transformer failure – Simulation & Analysis using EMTP and Mitigation Technique

Author(s): Neerajchandra Patel
Type:Technical Presentation
Downloaded: 8
Date: 2022-09-01

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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

Research on damage and protection of Extra-Low Voltage (ELV) systems from intense electromagnetic pulses

Author(s): Sonjib Banerjee
Type:Technical Presentation
Downloaded: 3
Date: 2022-09-01

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Research on damage and protection of Extra-Low Voltage (ELV) systems from intense electromagnetic pulses


Abstract
The study of the damage and protection of systems against EMP weapons is very critical, especially for military purposes. This paper discusses the coupling modes and damage mechanisms of intense elect... see more

Tag(s): Electromagnetic Pulse, Wave Spectrum, Variable Frequency Model, Faraday Cage

Insulation coordination study of 220 kV transmission line for reliability improvement against lightning-induced overvoltages

Author(s): Jegadeesh Kumar
Type:Technical Presentation
Downloaded: 12
Date: 2022-09-01

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Insulation coordination study of 220 kV transmission line for reliability improvement against lightning-induced overvoltages


Abstract
This presentation shows a detailed insulation coordination verification using EMTP. It includes an accurate representation of transmission line components considering actual site data such as conducto... see more

Tag(s): Insulation Coordination, Lightning Strike, LIOV, Line Surge Arresters, Back-Flashover

EMTP simulations of induced voltages and currents on aboveground pipelines by Overhead Transmission Lines

Author(s): Theofilos Papadopoulos, Amauri Martins-Britto
Type:Technical Presentation
Downloaded: 5
Date: 2022-09-01

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EMTP simulations of induced voltages and currents on aboveground pipelines by Overhead Transmission Lines


Abstract
In this presentation the modelling of earth conduction effects on the steady-state and electromagnetic transient (EMT) analysis of aboveground pipelines caused by nearby OHLs is presented by using EMT... see more

Tag(s): Induced Voltages, Induced Currents, Transmission Line, MoM-SO Modelling

LEMP and Ground Conductivity impact on the Direct Lightning Performance of a Medium-Voltage Line

Author(s): Fabio Tossani, Carlo Alberto Nucci
Type:Technical Presentation
Downloaded: 5
Date: 2022-09-01

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LEMP and Ground Conductivity impact on the Direct Lightning Performance of a Medium-Voltage Line


Abstract
As part of this presentation, calculations of direct lightning overvoltages are analyzed in a medium-voltage line of such type, equipped with a multi-point grounded shield wire over lossy soil, taking... see more

Tag(s): Lightning Electromagnetic Pulse, Ground Conditivity, Shielding Failure, Back-Flashover, LIOV

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