Detail publikace

The Influence of Additional Earthing of Healthy Phase for Earth Fault Location on Safety of Compensated Networks

TOMAN, P. TOPOLÁNEK, D. ORSÁGOVÁ, J. DVOŘÁK, J.

Originální název

The Influence of Additional Earthing of Healthy Phase for Earth Fault Location on Safety of Compensated Networks

Typ

článek ve sborníku ve WoS nebo Scopus

Jazyk

angličtina

Originální abstrakt

A connection between a phase conductor and the ground in a compensated MV networks is called an earth fault. Since the fault current in this case does not depend on the point of the fault, but only on the total capacity (size) of a network, earth fault location remains a problem for MV network operators. The MV compensated Networks in Czech Republic are operated as nonsymmetrical, that means as networks with non-transposed lines. Some of them are operated with additional earthing of faulted phase for increasing the safety in the point of the fault. The equipment of additional earthing of faulted phase is also able to connect healthy phase for short time. There are fast circuit breakers for additional earthing in the substation and the cycle close-open is shorter than time for tripping of an overcurrent protection in the outgoing feeder-bay (100ms). The paper deals with analysis of the touch voltages in the point of the fault during fault location and describes the experiment in real distribution network.

Klíčová slova

earth fault, safety, compensated network, earthing, location

Autoři

TOMAN, P.; TOPOLÁNEK, D.; ORSÁGOVÁ, J.; DVOŘÁK, J.

Rok RIV

2013

Vydáno

10. 6. 2013

Nakladatel

CIRED

Místo

Stockholm (Sweden)

ISBN

978-1-84919-732-8

Kniha

CIRED 2013 22nd International Conference on Electricity Distribution

Strany od

1

Strany do

4

Strany počet

4

BibTex

@inproceedings{BUT102760,
  author="Petr {Toman} and David {Topolánek} and Jaroslava {Orságová} and Jaromír {Dvořák}",
  title="The Influence of Additional Earthing of Healthy Phase for Earth Fault Location on Safety of Compensated Networks",
  booktitle="CIRED 2013 22nd International Conference on Electricity Distribution",
  year="2013",
  pages="1--4",
  publisher="CIRED",
  address="Stockholm (Sweden)",
  doi="10.1049/cp.2013.1173",
  isbn="978-1-84919-732-8"
}