Technical Presentations

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

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11 presentations for lightning:


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

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

Response of Overhead Lines to Direct Lightning Strikes: Assessment of the LEMP Effects

Author(s): Carlo Alberto Nucci & Fabio Tossani
Type:Technical Presentation
Date: 2021-09-07

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Response of Overhead Lines to Direct Lightning Strikes: Assessment of the LEMP Effects


Abstract
In the usual practice, the evaluation of the overvoltages due to direct lightning strikes to overhead power line conductors is focused on the representation of the effects of the lightning current inj... see more

Tag(s): lightning, pulse, LIOV, surge, arrester

Measurements and Simulations of Electromagnetic Transients in Wide Distribution Networks

Author(s): Luiz Felipe Ribeiro Barrozo Toledo
Type:Technical Presentation
Date: 2021-09-06

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Measurements and Simulations of Electromagnetic Transients in Wide Distribution Networks


Abstract
This work shows the modeling of wide distribution networks for simulation of electromagnetic transients of atmospheric origin and due to maneuvers and faults. To carry out the modeling, a methodology ... see more

Tag(s): scripting, georeference, database, measurements

Ground Fault Overvoltage with Inverter-Based Distributed Energy Resources

Author(s): Aboutaleb Haddadi
Type:Technical Presentation
Date: 2021-09-02

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Ground Fault Overvoltage with Inverter-Based Distributed Energy Resources


Abstract
A Ground Fault Overvoltage (GFO) can occur in situations where an ungrounded transmission line and associated ungrounded transmission equipment is energized from distribution connected Distributed En... see more

Tag(s): gfov, tov, ibr, DER, inverter, islanding, load rejection, inverter based resources

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