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Coordination of protective relays in MV transformer stations using EasyPower Protector software (CROSBI ID 495098)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Nikolovski, Srete ; Provči, Igor ; Šljivac, Damir Coordination of protective relays in MV transformer stations using EasyPower Protector software // 2003 IEEE Bologna PowerTECH Proceednigs / A. Borghetti, C.A. Nucci, M. Paolone (ur.). Bolonja: IEEE Piscatway, Catalog Number 03EX719C, 2003

Podaci o odgovornosti

Nikolovski, Srete ; Provči, Igor ; Šljivac, Damir

engleski

Coordination of protective relays in MV transformer stations using EasyPower Protector software

In this paper, the analysis of digital protection relays setting in a MV transformer station grounded via a low-ohmic resistor is presented. Theoretical background on low-ohmic resistor grounding in a transformer station is provided. EasyPower PowerProtector software is used for simulation and relay settings. Protective relay coordination after the simulation of a 3-phase fault and a line-to-ground fault on different selected buses in transformer station 35/10 kV is performed. Digital ABB relays series REF 541 were used for low-ohmic resistor thermal, short-circuit and overcurrent protection and overload protection of the low voltage transformer side. The results of analysis indicate correct selectivity of overcurrent protection devices in all cases

digital relay; fault; low-ohmic resistor; protection; transformer station

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Podaci o prilogu

2003.

objavljeno

Podaci o matičnoj publikaciji

2003 IEEE Bologna PowerTECH Proceednigs

A. Borghetti, C.A. Nucci, M. Paolone

Bolonja: IEEE Piscatway, Catalog Number 03EX719C

Podaci o skupu

2003 IEEE Bolonja PowerTECH Conference

predavanje

23.06.2003-26.06.2003

Bologna, Italija

Povezanost rada

Elektrotehnika