Access to EMTP user presentations, webinars, and slide deck presentations.
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25 presentations for overvoltage:
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): Jegadeesh Kumar
Type:Technical Presentation
Downloaded: 12
Date: 2022-09-01
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
Author(s): Fabio Tossani, Carlo Alberto Nucci
Type:Technical Presentation
Downloaded: 5
Date: 2022-09-01
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
Author(s): Sam Maleki
Type:PDF Presentation
Downloaded: 18
Date: 2022-07-21
Capacitor energization, power system conversion, and load flow studies in EMTP
Abstract
The addition of capacitor banks to the system may result in the frequency shift of the resonance modes in the system. This change may result in undesired interaction of the system with other elements ... see more
Tag(s): capacitor switching, overvoltage, inrush current, PSS/E import tool, frequency scan, statistical analysis
Author(s): Leopoldo G. Gallegos Jr.
Type:PDF Presentation
Downloaded: 3
Date: 2022-07-21
WAPA COTP (California Oregon Transmission Project) Series Capacitor Bank Replacement
Abstract
Throughout this case study, you will learn about the California Oregon Transmission Project (COTP) and its goal of replacing the existing fixed series capacitor banks (FSCBs) with new equipment.
Tag(s): capacitor bank, frequency dependent line, overvoltage, distribution substation
![[R&D]_EMTP : Recherche et développement](https://www.emtp.com/system/files/imagecache/presentation/slide1_1.jpg "[R&D]_EMTP : Recherche et développement")
![[Protection_Devices]_Étude des courants coupés par les sectionneurs de changemen](https://www.emtp.com/system/files/imagecache/presentation/TechnicalPresentation1.jpg "[Protection_Devices]_Étude des courants coupés par les sectionneurs de changemen")
