Modeling networks as simple equivalents and studing diffrent transient phonomena cases.

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Lightning surges Modeling and overvlotages


Modeling Lightning surges and calculation overvoltages due to different surges and effect on BIL and SIWL calculation.

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Transient OverVoltage due to capacitor switching

Modeling transient frequency equivalent of a network and considering effect of capacitor switching on magnitiued of Transient OverVoltage.

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Reactor switching with and without ARC modeling

In this video we will have brief description on Switching. Then will see Modeling of ARC .

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Transformer/Reactor switching using Snubber(RC-Filter)

In this video we will have brief description on Switching. Then will have switching on/off of a transformer with a series reactor.

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Temporary overvoltage due to Load switching

Modeling transient frequency equivalent of a network and considering effect of Load switching on magnitiued of temporary OverVoltage.

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Harmonic temporary overvoltage due to transformer switching

Transformer energization during power systems restoration, complete study example from data input to results analysis. Transformer switching in the vicinity of long EHV cable.

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TRV ( Transient Recovery voltage ) & RRRV ( Rate of Rise of Recovery Voltage) for breakers & reactors

Modeling transient frequency equivalent of a network and simulating opening of Breakers to find out Transient recovery voltages and comparing TRV and RRRV with IEC withstand values according to standards.

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Transient Overvoltage due to Resonance in power System

Modeling equipments of network in transient frequency models, calculating dangerous points due to resonance and transient overvoltages due to resonance caused by switching.

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Transient Overvoltage Feroresonance in power System

Modeling equipments of network in transient frequency models, calculating transient overvoltages due to ferroresonance caused by switching of a transformer or reactor.

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Harmonic Study(Harmonic Analysis and frequency scan analysis)

Frequency analysis to determine dangerous networks topologies.

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Insulation Coordination for Overhead lines

calculating Voltage stresses within the system & temporary overvoltages, considering Power Frequency overvoltages,Lightning arrester selection and calculating maximum transient overvoltages due to switching and lightning and comparing with BIL and SIWL of overheadlines.

Insulation Coordination for Outdoor substations

Calculating Voltage stresses within the system & temporary overvoltages, considering Power Frequency overvoltages,Lightning arrester selection and calculating maximum transient overvoltages due to switching and lightning and comparing with BIL and SIWL of substation equipments according to Outdoor stations standards.

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Insulation Coordination for Gas-insulated substations

Calculating Voltage stresses within the system & temporary overvoltages, considering Power Frequency overvoltages,Lightning arrester selection and calculating maximum transient overvoltages due to switching and lightning and comparing with BIL and SIWL of substation equipments according to Gas-insulated substations standards.

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Corona modeling and calculation in overhead lines

Overheadlines modeling and calculating corona and losses due to induced voltages.

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Power system stability studies: electromechanical oscillations

Modeling Exciter, governor, stabilizer, loads and studing faults in transmission lines and check Synchronous machine synchronization.

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Frequency Scan Analysis(From EMTP Website)

Frequency Scan Simulation, Visualize the waveform, calculate the input impedance at the capacitor Connection Point.

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Load Flow Analysis(From EMTP Website)

Modeling Load Flow devices, finding load flow solution, use load flow solution to initialize the time-domain simulation.

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Create a simple network(From EMTP Website)

Modeling a 3 phase simple network, run a time-domain simulation.

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Steady State Analysis (From EMTP Website)

Run a time domain simulation without initialization, then perform a steady-state simulation and run the time-domain simulation with a steady-state initialization.

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Subcircuit Modeling (From EMTP Website)

Create a subcircuit, modify and masking it.

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