Access to EMTP user presentations, webinars, and slide deck presentations.
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6 presentations for arrester:
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): Carlo Alberto Nucci & Fabio Tossani
Type:Technical Presentation
Date: 2021-09-07
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
Author(s): Aboutaleb Haddadi
Type:Technical Presentation
Date: 2021-09-02
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
Author(s): N.K.Nathan - KNR Engineers
Type:Technical Presentation
Downloaded: 11
Date: 2021-06-17
Insulation Coordination Study of 765kV GIS SUBSTATION
Abstract
Gas Insulated Substations provide cost effective solution due to reduced land requirements particularly in metropolitan area where power demand is registering steep growth. With the use of GIS technol... see more
Author(s): Diego F. Rodríguez - GERS
Type:Technical Presentation
Date: 2021-06-17
TOV for renewable, evaluating three different grounding technologies
Abstract
Temporary overvoltages (TOV) are oscillatory overvoltages mainly caused by switching or faults, which are of relatively long duration and undamped or slightly damped. Maximum overvoltages under faulte... see more