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22 Results for the search "h.gras":

Author: h.gras
Type: Example
Downloaded: 39 times
Date: 2021-07-23
Rating:
* 0 vote(s)


AC and DC components meter


Description:
This example contains a device which calculates the DC and AC components.
- The DC component is available in the DC control scope with half
a cycle delay versus the simulation time
- ... see more

Tag(s): DC, AC, exponential, meters, zero-crossing, asymmetry, fault
Author: h.gras
Type: Example
Downloaded: 26 times
Date: 2021-07-23
Rating:
* 0 vote(s)


Zero-crossing fault


Description:
This example provides a device which is a 3-phase bolted fault.
Once the simulation time has passed faultTime, the first phase voltage
crossing zero triggers the fault on the 3 phases simult... see more

Tag(s): zero-crossing, zerocrossing, fault, DC, asymmetry
Author: h.gras
Type: Example
Downloaded: 64 times
Date: 2021-03-09
Rating:
* 2 vote(s)


Ramp limiter


Description:
This example contains static and dynamic current limiter (control) devices

Tag(s): ramp, limiter, control
Author: h.gras
Type: Model
Downloaded: 134 times
Date: 2020-11-23
Rating:
* 1 vote(s)


IEEE FD ZnO model


Description:
This device automatically adjusts the parameters of the frequency dependent ZnO model (see figure below) as described in IEEE Working Group 3.4.11 on Surge Arrester model.
This model may be used... see more

Tag(s): surge, arrester, ZnO, IEEE, frequency dependent, IEEE Working Group 3.4.11
Author: h.gras
Type: Model
Downloaded: 50 times
Date: 2020-10-20
Rating:
* 1 vote(s)


Thyristor-Controlled Series Compensation (TCSC)


Description:
This is an example of a TCSC which may operate in Capacitive or Inductive mode.
Developers: VP Boopathi, Hossein Ashourian

Tag(s): Thyristor-Controlled Series Compensation, TCSC, EMTP, series, compensation
Author: h.gras
Type: Example
Downloaded: 114 times
Date: 2020-04-27
Rating:
* 2 vote(s)


Electrical Vehicle charger


Description:
These example provide model of EV chargers and documentation

Tag(s): EV, charger, charging, station, power electronics
Author: h.gras
Type: Model
Downloaded: 121 times
Date: 2020-04-10
Rating:
* 0 vote(s)


Display short-circuit date on buses


Description:
This folder contains scripts which automatically find the short-circuit impedances and currents at all buses with visible names.
These information are displayed in the GUI

Tag(s): short-circuit, impedance, thevenin
Author: h.gras
Type: Example
Downloaded: 148 times
Date: 2019-04-16
Rating:
* 0 vote(s)


Load-flow voltage violation assessment


Description:
This example shows a way to automatically detect voltage violations of the load-flow results.
Users can set low and high limits for each bus (for example 0.95pu-1.05pu).

Tag(s): voltage, violation, load-flow
Author: h.gras
Type: Model
Downloaded: 147 times
Date: 2018-10-11
Rating:
* 1 vote(s)


Five-Cell Multi-Level Converter


Description:
Five-Cell Multi-Level Converter

Tag(s): Multi-level, converter, power electronic
Author: h.gras
Type: Model
Downloaded: 299 times
Date: 2018-06-08
Rating:
* 1 vote(s)


Vacuum Circuit breaker (VCB)


Description:
Three main characteristics of VCBs have been taken into account in the implemented model:
1. the chopping current value;
2. the cold withstand voltage characteristic (or cold gap breakdown v... see more

Tag(s): Vacuum, circuit breaker, VCB,
Author: h.gras
Type: Example
Downloaded: 248 times
Date: 2018-01-02
Rating:
* 0 vote(s)


Change load power from an external file


Description:
This example illustrates how to read data from an external file and automatically update devices parameters in the design. In this example, the device is a load.
Double click on Update Parameters... see more

Tag(s): script, parametric, file, external, automate, Load
Author: h.gras
Type: Model
Downloaded: 132 times
Date: 2017-09-26
Rating:
* 0 vote(s)


LVRT OVRT function


Description:
This device is an OVRT LVRT protection device.
The user enters the curves points.
It is assumed that the curve is horizontal between two points.

Tag(s): LVRT, OVRT, ride, through, FRT, undervoltage, overvoltage
Author: h.gras
Type: Model
Downloaded: 219 times
Date: 2017-08-15
Rating:
* 1 vote(s)


Fault on a line


Description:
This model is a faulty line. The distance of the fault from the origin is a parameter. CP or PI models are used on each side of the fault according to the time step. If the time step is small enough t... see more

Tag(s): fault, line, CP, PI
Author: h.gras
Type: Example
Downloaded: 128 times
Date: 2017-07-12
Rating:
* 0 vote(s)


MOSFET


Description:
The model developed is an n-channel enhancement-type MOSFET with internal substrate (Bulk) connection.
Author: Maxime Berger, Polytechnique Montreal

Tag(s): MOSFET, gate, electronic
Author: h.gras
Type: Example
Downloaded: 374 times
Date: 2017-02-24
Rating:
* 1 vote(s)


Transformer magnetization branch automatic setup.


Description:
Contain a script which automatically creates the current-flux saturation curve and calculate the magnetization resistance of a 3-phase transformer using the excitation test report data.
The trans... see more

Tag(s): transformer, excitation, magnetization, saturation, open-circuit
Author: h.gras
Type: Example
Downloaded: 197 times
Date: 2017-02-03
Rating:
* 1 vote(s)


Tutorial on exported mask (Demonstrated with an exciter)


Description:
In this example, a device is placed in a subcircuit. The goal is to be able to modify the parameters of this device from the parent mask.
However, this device is a masked subcircuit and therefore... see more

Tag(s): exported, mask, exciter, governor, subcircuit, subnetwork, script, method
Author: h.gras
Type: Example
Downloaded: 525 times
Date: 2016-10-11
Rating:
* 2 vote(s)


Tutorial example on ZnO modelling


Description:
In this example, it is detailed step by step how to built a ZnO surge arrester model following the IEEE working group 3-4-11.
The model is built using different impulse test results.

Tag(s): ZnO, surge, arrester, IEEE, 3-4-11, impulse
Author: h.gras
Type: Model
Downloaded: 278 times
Date: 2016-03-22
Rating:
* 0 vote(s)


PLLs


Description:
Some PLLs:
- zero crossing
- dq0
- alpha beta
- EPLL
- UTSP

Tag(s): PLL, frequency, tracking, PMU
Author: h.gras
Type: Library
Downloaded: 1067 times
Date: 2016-03-16
Rating:
* 7 vote(s)


Micro-Grid library


Description:
Convenient library to study Micro-grid. Contain:
- a 3-phase inverted with dq0 control (PQ, PV, VF, droop)
- a battery model (Ideal, i-Ion, Lead-Acid, NiMH, NiCD)
- a PV park
- Win... see more

Tag(s): Micro, grid, smart, inverter, dq0, battery, BMS, VSC, filter, delay, trigger, Wind, PV, photovoltaic, park, power, electronics
Author: h.gras
Type: Model
Downloaded: 637 times
Date: 2016-02-26
Rating:
* 5 vote(s)


Breaker for TRV


Description:
Breaker for TRV. It draws the inherent TRV envelop according to the standard IEC 62271-100. It also contains a library of breaker stray capacitances and can simulate the prestrikes, restrikes and reig... see more

Tag(s): TRV breaker, prestrike, restrike, reignition, recovery
Author: h.gras
Type: Example
Downloaded: 546 times
Date: 2015-06-16
Rating:
* 3 vote(s)


Content of the webinar studies from A to Z on TRV


Description:
Designs built or presented during the webinar of the series Studies from A to Z on Transient Recovery Voltage
Models built:
- Rating TRV envelop (IEC 62271-100 / C37.010 - 2011)
- CP / ... see more

Tag(s): TRV, Transient recovery voltage, short-line fault, terminal fault, substation, 62271, 37.011, lines, switching, thevenin
Author: h.gras
Type: Example
Downloaded: 587 times
Date: 2015-06-16
Rating:
* 1 vote(s)


Content of the webinar studies from A to Z on lightning strokes


Description:
Designs built or presented during the webinar of the series Studies from A to Z on Lightning stroke analysis.
Models built:
- Metal Oxide surge arrester (IEEE working group 3.4.11)
- To... see more

Tag(s): Lightning, stroke, fast-front transient, tower, arrester, cigre, line, substation, parametric, corona, air-gap, leader