Overvoltage protection study on vacuum breaker switched MV motors

Author

Penkov, D. ; Vollet, C. ; Metz-Noblat, B. De ; Nikodem, R.

Author_Institution

Scheider Electr., Grenoble

fYear

2008

fDate

10-12 June 2008

Firstpage

1

Lastpage

7

Abstract

This article presents the main results of a large overvoltage protection simulation study, carried out on vacuum breaker switched motors. Different protection solutions, as well as a great number of electrical network parameters, motor starting current and connecting cable characteristics were varied. The study showed that overvoltage protection installation is highly recommended for frequently started MV motors, switched by vacuum breakers regardless of the cable length, or even motor starting current. The main conclusions and results of this study are presented and commented on. The well known ATP-EMTP and MATLAB software were used for these analyses.

Keywords

electric motors; overvoltage protection; switching; vacuum circuit breakers; ATP-EMTP software; MATLAB software; connecting cable characteristics; electrical network parameters; overvoltage protection installation; vacuum breaker switched MV motors; Application software; Circuit breakers; Dielectric breakdown; EMTP; Joining processes; MATLAB; Power cables; Surge protection; Switching circuits; Voltage control; ATP; Alternative Transients Program; EMTP; Electromagnetic Transients Program; Line and Cable Constants; MATLAB; R-C filter; Vacuum circuit breaker; motor switching; overvoltage protection; surge-arrester;

fLanguage

English

Publisher

ieee

Conference_Titel

Petroleum and Chemical Industry Conference Europe - Electrical and Instrumentation Applications, 2008. PCIC Europe 2008. 5th

Conference_Location

Weimar

Print_ISBN

978-3-9523333-1-0

Electronic_ISBN

978-3-9523333-2-7

Type

conf

DOI

10.1109/PCICEUROPE.2008.4563537

Filename

4563537