Technical Presentations

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

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15 presentations for lightning:


FFOV Analysis for 500 kV Substation

Author(s): Melih Guneri
Type:Technical Presentation
Downloaded: 0
Date: 2024-07-29

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FFOV Analysis for 500 kV Substation


Abstract
This is a presentation on lightning overvoltage analyses for a 500/220 kV substation. Highlights: An interesting application case where the electrical distance between the surge arrester and transform... see more

Tag(s): Lightning Overvoltage Analysis, Surge Arrester

Lightning Overvoltages Transferred Through Power Transformers - EMTP® Simulations & Measurements

Author(s): Bozidar Filipovic,Nina Stipetic, Franjo Vukovic
Type:Technical Presentation
Downloaded: 0
Date: 2023-04-01

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Lightning Overvoltages Transferred Through Power Transformers - EMTP® Simulations & Measurements


Abstract
In this presentation, different wideband transformer models will be presented: extended BCTRAN model and black-box model based on measurements of frequency-dependent admittance matrix. These models ar... see more

Tag(s): Step-Up Transformer, Short-Circuit, Protection Schemes, Real-Time Implementation, Sensitivity Analysis

Overvoltage Occurrence Due to Ferroresonance Phenomena During The EHV Cable Feeder Charging

Author(s): Dileep Kumar
Type:Technical Presentation
Downloaded: 0
Date: 2023-04-01

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Overvoltage Occurrence Due to Ferroresonance Phenomena During The EHV Cable Feeder Charging


Abstract
EHV cables have higher capacitance and a larger current, which increases the possibility of overvoltage occurrences during the charging. A 400kV EHV cable experienced a long-duration overvoltage incid... see more

Tag(s): EHV Cables, Overvoltage, Ferroresonance, Lightning Arrestor, EMTP Simulation

Lightning Performance Improvement of a 9 MW Photovoltaic Power Plant Connected to a 23 kV Distribution Network

Author(s): Luis Rodriguez
Type:Technical Presentation
Downloaded: 0
Date: 2023-04-01

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Lightning Performance Improvement of a 9 MW Photovoltaic Power Plant Connected to a 23 kV Distribution Network


Abstract
Lightning is one of the main electric hazards a photovoltaic is subjected to. This is due to the large collection area of the plant itself and to the incoming electric lines connected to the plant. Th... see more

Tag(s): Lightning Photovoltaic, Overvoltage Protection, Step-Up Transformer, Simulation

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

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