Technical Presentations

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

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21 presentations for transformer:


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

Measurement and EMTP Simulation of Ferroresonance Phenomenon

Author(s): Ivo Uglesic
Type:Technical Presentation
Date: 2021-09-02

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Measurement and EMTP Simulation of Ferroresonance Phenomenon


Abstract
Ferroresonance is difficult to predict because its occurrence in the power system depends on several parameters, some of which are unknown (parasitic capacities). In addition, measuring electrical con... see more

Tag(s): ferroresonance, tov, saturation

Real Case of a Resonance in a Power Plant

Author(s): Andreia Leiria
Type:Technical Presentation
Date: 2021-09-02

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Real Case of a Resonance in a Power Plant


Abstract
Overvoltages were identified on the MV and LV networks of a Hydro Power Plant as the cause of the trip of the LV maximum voltage protection, compromising the normal operation of the system. Following ... see more

Tag(s): harmonics, power uality, resonance

VFTO Induced TGPR Analysis for 400kV GIS Substation

Author(s): N.K. Nathan
Type:Technical Presentation
Date: 2021-09-01

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VFTO Induced TGPR Analysis for 400kV GIS Substation


Abstract
Transient enclosure voltage (TEV) also known as Transient ground potential rise (TGPR) is a special case of VFTO. This phenomenon refers to short rise time, short duration high voltage transient which... see more

Tag(s): gis, vfto, very fast transient

VFTO Induced TGPR Analysis for 400kV GIS Substation

Author(s): N.K. Nathan
Type:Technical Presentation
Date: 2021-09-01

Rating:
* 0 vote(s)

VFTO Induced TGPR Analysis for 400kV GIS Substation


Abstract
Transient enclosure voltage (TEV) also known as Transient ground potential rise (TGPR) is a special case of VFTO. This phenomenon refers to short rise time, short duration high voltage transient which... see more

Tag(s): gis, vfto, very fast transient

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