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35 Results for the search " power":

Author: h.gras
Type: Model
Downloaded: 74 times
Date: 2018-10-11
Rating: * 1 vote(s)
5/10


Five-Cell Multi-Level Converter


Description:
Five-Cell Multi-Level Converter

Tag(s): Multi-level, converter, power electronic
Author: h.gras
Type: Example
Downloaded: 149 times
Date: 2018-01-02
Rating: * 0 vote(s)
0/10


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: thpapad
Type: Document
Downloaded: 54 times
Date: 2017-11-03
Rating: * 0 vote(s)
0/10


MIMO-OFDM Narrowband-PLC in Distribution Systems: Impact of Power Transformers on Achievable Data Rates


Description:
Power-line communication (PLC) is gaining a renewed interest, due to the smart grid (SG) emerging communication requirements. Among other communication technologies, PLC is a very efficient and feasib... see more

Tag(s): Distribution lines, distribution transformers, MIMO-OFDM, power-line communication, smart grids
Author: thpapad
Type: Document
Downloaded: 146 times
Date: 2017-11-03
Rating: * 0 vote(s)
0/10


INDUCED VOLTAGES AND CURRENTS: OVERVIEW AND EVALUATION OF SIMULATION MODELS AND METHODOLOGIES


Description:
In this paper induced voltages and currents caused by underground cables are calculated in cable sheaths and nearby metallic pipelines. The performance of several simulation methods and models are inv... see more

Tag(s): induced voltages
Author: h.gras
Type: Library
Downloaded: 746 times
Date: 2016-03-16
Rating: * 7 vote(s)
8/10


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: n.sene
Type: Publication
Downloaded: 299 times
Date: 2015-10-22
Rating: * 4 vote(s)
10/10


Fault Current Limiters in Industrial Power Systems


Description:
The concept of saturable core fault current limiter (FCL) is relatively known nowadays. It usually consists of two reversely magnetized cores per phase to effectively limit the fault current passively... see more

Tag(s): saturable core fault current limiter (FCL), industrial power system, induction machine, EMTP; fault current analysis, medium voltage
Author: n.sene
Type: Publication
Downloaded: 346 times
Date: 2015-04-02
Rating: * 1 vote(s)
2/10


Short-Term Scheduling of Active Distribution Systems


Description:
The latest distribution management systems tend to incorporate optimization functions for the short-term scheduling of the various energy and control resources available in the network (e.g., embedded... see more

Tag(s): Distributed generation, operation of distribution networks, MILP.
Author: n.sene
Type: Publication
Downloaded: 346 times
Date: 2015-04-02
Rating: * 0 vote(s)
0/10


Indirect-Lightning Performance of Overhead Distribution Networks With Complex Topology


Description:
The paper deals with the evaluation of the indirect-lightning performance of overhead distribution networks. The novelty of this contribution is that it takes into account the inherent complexity of d... see more

Tag(s): LIOV-EMTP, lightning-induced overvoltages, lightning performance, power quality, distribution systems, overhead power lines.
Author: n.sene
Type: Publication
Downloaded: 346 times
Date: 2015-04-02
Rating: * 0 vote(s)
0/10


Power system islands, autonomous microgrids and relevant instrumentation


Description:
Unplanned power system islanding is usually seen as a major risky operating condition and specific countermeasures are applied in order to avoid it. However the capability of voluntary disconnection f... see more

Tag(s): Power systems islanding, microgrids, measurements.
Author: n.sene
Type: Publication
Downloaded: 346 times
Date: 2015-04-02
Rating: * 1 vote(s)
1/10


SITL and HLA Co-simulation Platforms: Tools for Analysis of the Integrated ICT and Electric Power System


Description:
Due to the necessity of developing analysis tools in the integrated ICT and power system domain, this paper describes and compares the architecture and configuration of two different ITC-power system ... see more

Tag(s): Co-simulation, OPNET, EMTP, High level architecture, System in the loop, Smart grid, OPAL-RT.
Author: n.sene
Type: Publication
Downloaded: 346 times
Date: 2015-04-02
Rating: * 0 vote(s)
0/10


lCT -power Co-simulation Platform for the Analysis of Communication-based Volt/Var Optimization in Distribution Feeders


Description:
The paper presents an ICT and power co-simulation platform for the analysis of the voltlvar control and relevant optimization in medium voltage distribution feeders, achieved by means of a system of d... see more

Tag(s): Co-simulation, Networked Control Systems, Power distribution feeders, Voltlvar optimization.
Author: n.sene
Type: Publication
Downloaded: 346 times
Date: 2015-04-02
Rating: * 0 vote(s)
0/10


Simulation of the Volt/Var Control in Distribution Feeders by Means of a Networked Multiagent System


Description:
The adoption of networked multiagent systems (MAS) has been recently proposed for the solution of the volt/var control (VVC) problem in distribution feeders. However, constraints and limitations due t... see more

Tag(s): Cosimulation, medium voltage distribution feeders, multiagent systems (MAS), networked control systems (NCS), phasor measurement unit (PMU), volt/var control (VVC).
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


DISPERSED ENERGY RESOURCES SCHEDULING FOR THE INTENTIONAL ISLANDING OPERATION OF DISTRIBUTION SYSTEMS


Description:
The paper presents an algorithm for the automatic optimal scheduling of dispersed energy resources (DERs) and of under-load tap changers (ULTCs) position. The aim of the scheduling problem consists in... see more

Tag(s): Dispersed generation, active distribution networks, islanding operation.
Author: n.sene
Type: Publication
Downloaded: 357 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


On the Mitigation Effect of Surge Arresters on the Lightning Performance of Overhead Distribution Lines


Description:
For the accurate statistical assessment of the lightning performance of distribution lines one needs to
take into account the presence of protection devices such as surge arresters and shielding ... see more

Tag(s): Lightning statistics, induced overvoltages, lightning performance of distribution lines, surge arresters, shielding wires groundings, Monte Carlo method.
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Analysis of black-startup and islanding capabilities of a combined cycle power plant


Description:
The paper presents the analysis of black-startup and islanding capabilities of an 80 MW combined cycle power plant. The analysis is carried out by means of a computer dynamic simulator suitably develo... see more

Tag(s): black-startup, islanding, combined cycle, power plant, energization
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 1 vote(s)
5/10


Parameters Identification of a Power Plant Model for the Simulation of Islanding Transients


Description:
The paper presents a procedure for parameter identification along with its application to the model of a combined cycle power plant that includes the surrounding electrical network, built for the anal... see more

Tag(s): Islanding, Identification, Power Plant
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 2 vote(s)
5/10


Correlation of lightning events and faults in distribution power networks


Description:
The paper deals with the analysis of the possible correlation between cloud-to-ground lightning discharges and relay operations inferred by using the experimental data obtained means of a measurement ... see more

Tag(s): Lightning protection, lightning-to-fault correlation, lightning location systems, lightning performance of distribution lines, induced overvoltages, a-periodic voltage transient measurement, EMTP.
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Lightning-Induced Overvoltages Transferred Through Distribution Power Transformers


Description:
This paper deals with the calculation of lightning induced overvoltages on medium-voltage (MV) and low-voltage (LV) distribution networks taking into account the presence of MV–LV distribution trans... see more

Tag(s): Lightning, distribution transformers, overvolatges
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Transient recovery voltages in vacuum circuit breakers generated by the early-interruption of the inrush current of large motors


Description:
The switching of medium voltage electrical motors is typically realized by means of vacuum circuit breakers (VCBs) essentially in view of their elevated number of switching cycles. As known, switching... see more

Tag(s): Transient recovery voltages, vacuum circuit breakers, motor inrush currents, EMTP simulations
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Protection Systems Against Lightning-Originated Overvoltages in Resonant Grounded Power Distribution Systems


Description:
A joint research project between AES Sul, the Federal University of Itajubá and the University of Bologna aims at defining the required protections against lightning-originated overvoltages in a reso... see more

Tag(s): Lightning protection, power distribution networks, induced overvoltages.
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Continuous-Wavelet Transform for Fault Location in Distribution Power Networks: Definition of Mother Wavelets Inferred From Fault Originated Transients


Description:
The paper presents a fault location procedure for distribution networks based on the wavelet analysis of the fault-generated traveling waves. In particular, the proposed procedure implements the conti... see more

Tag(s): Continuous wavelet transform, distribution network, EMTP simulations, fault location, mother wavelet, power quality.
Author: n.sene
Type: Publication
Downloaded: 355 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


A PROCEDURE FOR THE AUTOMATIC SCHEDULING OF DISTRIBUTED ENERGY RESOURCES IN MEDIUM VOLTAGE NETWORKS


Description:
The paper presents the main characteristics of a centralized two-stage scheduler designed for the integration in the Distribution Management System (DMS) under development in the framework of an Itali... see more

Tag(s): Distribution Management System, Smart Grid, automation
Author: admin2012
Type: Document
Downloaded: 139 times
Date: 2014-06-02
Rating: * 0 vote(s)
0/10


Co-simulation Platform for the Analysis of Communication-based


Description:
The paper presents an ICT and power co-simulation platform for the analysis of the volt/var control and relevant optimization in medium voltage distribution feeders, achieved by means of a system of d... see more

Tag(s): Co-simulation, Networked Control Systems, Power distribution feeders, Volt/var optimization
Author: admin2012
Type: Document
Downloaded: 114 times
Date: 2014-06-02
Rating: * 0 vote(s)
0/10


SITL and HLA Co-simulation Platforms


Description:
Due to the necessity of developing analysis tools in the integrated ICT and power system domain, this paper describes and compares the architecture and configuration of two different ITC-power system ... see more

Tag(s): Co-simulation, OPNET, EMTP, High level architecture, System in the loop, Smart grid, OPAL-RT
Author: gerinlajoie.luc
Type: Model
Downloaded: 307 times
Date: 2012-11-23
Rating: * 4 vote(s)
8/10


Extra control of machines - IEEE AVR


Description:
The proposed AVR sub-circuit models consist of a few IEEE 421 standard exciter[1] and Power Systems Stabilizer and governor. Don't forget to click the require observed signals in the SM device, see O... see more

Tag(s): Components
Author: gerinlajoie.luc
Type: Library
Downloaded: 364 times
Date: 2012-11-23
Rating: * 2 vote(s)
6/10


A collection of PowerRelay devices


Description:
A collection of PowerRelay devices
Distance relay 21,
Synchronizing or synchronism-check device 25,
Instantaneous overcurrent 50 + Ac time overcurrent relay 51,
Frequency relay (ov... see more

Tag(s): Protection
Author: AdminEMTP-RV
Type: Model
Downloaded: 198 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Ferro_hyst_Zno


Description:
Simple ferroresonance case. In this case the switching of a part of the network comprised of a cable connected to a no-load transformer is carried out. A pole of the breaker fails to open and an impor... see more

Tag(s): Protection
Author: AdminEMTP-RV
Type: Document
Downloaded: 125 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Interpolation and reinitialization for the simulation of power electronic circuits


Description:
Authors:
Ming Zou, Jean Mahseredjian, Geza Joos, Benoît Delourme, Luc Gérin-Lajoie

Abstract:
This paper presents a new interpolationreinitialization method for transient simulat... see more

Tag(s):
Author: AdminEMTP-RV
Type:
Downloaded: 149 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


PM_subcircuit


Description:
Example of a user defined model. In this case a line-start permanent magnet synchronous machine is connected to a simple power network. This machine, working as a generator, has been modeled by contro... see more

Tag(s): Example, Motor
Author: AdminEMTP-RV
Type: Document
Downloaded: 280 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Presentation of an approach based on EMTP for the calculation of lightning induced overvoltages


Description:
Authors:
A. Xémard, P. Baraton, B. Bressac, N. Qako, J. Mahseredjian, G. Simard, J. Ribeiro, R. Tarafi, A. Zeddam.

Abstract:
LIPS (Lightning Impact on Power Systems) is a toolbo... see more

Tag(s):
Author: AdminEMTP-RV
Type: Model
Downloaded: 202 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Pwm_inv_3ph


Description:
This case shows a three-phase full-bridge DC/AC inverter with PWM switching.

Reference: Power Electronics, Mohan, Undeland, Robbins - Ed Wiley - Chapter 8.

Tag(s): Power Electronics
Author: AdminEMTP-RV
Type:
Downloaded: 131 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Self_Exc_ind


Description:
Simulation case of the self-excitation of induction motors during startup on a series compensated radial line.

This case reproduces the results published in the book of Anderson and Farmer ... see more

Tag(s): Motor
Author: gerinlajoie.luc
Type: Model
Downloaded: 152 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Sequence controlled voltage and current sources.


Description:
Three sequences voltage and current sources are proposed, the positive, negative and zero sequences. The magnitude and the angle are controllable; the carrier is given by the user.

Theses p... see more

Tag(s): Source
Author: AdminEMTP-RV
Type: Model
Downloaded: 122 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


SVC_Simple


Description:
This is a simple SVC model with a TCR branch and fixed capacitors.

This case is taken from the book of T.E. Miller entitled 'Reactive Power Control in Electric System.

Tag(s): Power Electronics
Author: AdminEMTP-RV
Type: Model
Downloaded: 131 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


TCR1


Description:
Example of single phase Thyristor Controlled reactor using TACS control devices. This circuit reproduces the TCR case presented in the EMTP Workbook volume 4 chapter 6.

Example of single ph... see more

Tag(s): Power Electronics