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Author: AdminEMTP-RV
Type: Document
Downloaded: 177 times
Date: 2012-06-18

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 moreions in both forced commutation and natural commutation conditions occurring in power electronic circuits. Recently methods in this field are also discussed.

Tag(s):

Author: AdminEMTP-RV
Type: Model
Downloaded: 344 times
Date: 2012-06-18

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 lines. The data of the geometrical configuration are entered in the DATA LINE module and are stored in the "line_couplin_CP.lin". The generated model was obtained using the CP option and are loaded to the CP m-phase module using the data included in the "line_coupling_CP_rv.csv" file. The results are very close to the measurements provided in "H.W. DOMMEL ET AL, CASE STUDIES FOR ELECTROMAGNETIC TRANSIENTS, P.1,1991".

Tag(s):

Author: AdminEMTP-RV
Type: Document
Downloaded: 913 times
Date: 2012-06-18

Look what happens without EMTP-RV

Description:
This is a nice video about the switching of a shunt reactor (most probably 500 kV) with a Circuit-Switcher.
>A circuit-switcher is a SF6 load-break swith with no fault current breaking cap... see moreability. The load current, in this case around 150 A, is normally interrupted first by the 2 interrupters and then the disconnect will open to isolate the reactor.
What happened in this video:
1 - During the opening, an external flashover occurs on one of the chamber most probably because of the contamination;
2 - The other chamber can not withstand the whole voltage and reignites internally;
3 - The external flashover vanishes because an arc is established inside;
4 - The disconnect opens on the full load current;
5 - The arc burns freely in the air for some 10 seconds until it is self-extinguished or eliminated by a circuit-breaker operation.

Tag(s):

Author: AdminEMTP-RV
Type:
Downloaded: 244 times
Date: 2012-06-18

Motor_Protection

Description:
The following circuit presents a protection scheme for an induction motor due to voltage dips.

The voltage dip generator is presented in a masked subcircuit where it is possible to control ... see morethe shape and duration of the voltage dip.

Tag(s): Motor, Protection

Author: AdminEMTP-RV
Type:
Downloaded: 224 times
Date: 2012-06-18

Non_Linear_Benchmark

Description:
Benchmark case for testing the nonlinear solution method of transients simulation packages.

This case shows the superior capability of EMTP-RV to handle simultaneous solutions of three very... see more nonlinear elements: Circuit-breaker arc , Hysteretic characteristic of transformers and Zinc-Oxide arresters.

Tag(s): Example