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20 Results for the search " line":

Author: h.gras
Type: Model
Downloaded: 7 times
Date: 2017-08-15
Rating: * 0 vote(s)
0/10


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: 238 times
Date: 2015-06-16
Rating: * 2 vote(s)
5/10


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: 257 times
Date: 2015-06-16
Rating: * 1 vote(s)
9/10


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
Author: n.sene
Type: Publication
Downloaded: 266 times
Date: 2015-04-02
Rating: * 0 vote(s)
0/10


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: 266 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: 275 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: 277 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: 275 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


AN ADVANCED INTERFACE BETWEEN THE LIOV CODE AND THE EMTP-RV


Description:
Accurate evaluation of the response of overhead distribution lines to lightning electromagnetic pulse (LEMP) represents an important aspects in insulation coordination of distribution network. The imp... see more

Tag(s): LIOV, EMTP-RV, LEMP
Author: n.sene
Type: Publication
Downloaded: 275 times
Date: 2015-04-01
Rating: * 1 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: 275 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


VOLTAGE TRANSIENTS IN A DISTRIBUTION NETWORK CORRELATED WITH EVENTS IDENTIFIED BY A LIGHTNING LOCATION SYSTEM


Description:
Monitoring units for the measurement of high frequency voltage transients have been in operation at three different busses of an Italian medium voltage (MV) distribution feeder, mainly composed by ove... see more

Tag(s): Lightning, distribution network, LIOV, EMTP
Author: n.sene
Type: Publication
Downloaded: 275 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Interaction Between Grounding Systems and Nearby Lightning for the Calculation of Overvoltages in Overhead Distribution Lines


Description:
The aim of the paper is to analyze overvoltages in overhead distribution lines induced by nearby lightning return stroke currents taking into account also the conductive coupling between the lightning... see more

Tag(s): lightning induced overvoltages, grounding systems, overhead distribution lines, lightning protection.
Author: n.sene
Type: Publication
Downloaded: 275 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: 275 times
Date: 2015-04-01
Rating: * 0 vote(s)
0/10


Assessment of the Lightning Performance of Compact Overhead Distribution Lines


Description:
The assessment of the lightning performance of a compact configuration of MV overhead lines that is expected to be adopted in the near future by an electricity distribution company in a Brazilian regi... see more

Tag(s): Lightning protection, Overhead distribution lines, Induced overvoltages, Electromagnetic transients.
Author: gerinlajoie.luc
Type: Model
Downloaded: 57 times
Date: 2012-11-23
Rating: * 0 vote(s)
0/10


Pseudo Aleatory Volt/Ampere source


Description:
Pseudo Aleatory Volt/Ampere source single and three phases devices. Build with Base Line Wander generator. Useful for Spectrum Analysis

nota bene: ts must be a multiple of dt.

Tag(s): Source
Author: AdminEMTP-RV
Type:
Downloaded: 204 times
Date: 2012-06-18
Rating: * 1 vote(s)
10/10


Cross_Bonded_Cable


Description:
Insulation coordination - 225 kV cross bonded cable - protection of the sheath.
In the configuration a 225 kV cross-bonded cable is connected at both ends to an otherhead line. The sheath is prot... see more

Tag(s):
Author: AdminEMTP-RV
Type: Model
Downloaded: 165 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


CB_arc_CM


Description:
This is an interesting case of the study of arc-circuit interaction in case of the interruption of a short-line fault.The arc is represented by a composite Cassie-Mayr model and the line is represente... see more

Tag(s): Example, Protection
Author: AdminEMTP-RV
Type: Model
Downloaded: 153 times
Date: 2012-06-18
Rating: * 0 vote(s)
0/10


Line_Coupling


Description:
The following example demonstrates the coupling effect between 3 adjacent transmission lines.

The case study consists of the implementation of a third transmission line next to two existing... see more

Tag(s):
Author: AdminEMTP-RV
Type:
Downloaded: 95 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: 212 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:
Downloaded: 90 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