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The significance of frequency-dependent overhead lines for the calculation of HVDC line short-circuit currents

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In this paper the short-circuit current of overhead transmission lines is analyzed at a short circuit in an HVDC transmission network. The analysis focuses solely on the current contribution of the transmission line at a line-to-earth or a line-to-line short circuit. In this context it is shown which impedance is effective at the corresponding fault case. Special attention is given to the frequency dependence of the line parameters and how they affect the short-circuit current. The frequency of the current is derived with a simplified method. Finally, it is presented how the resulting time course of the short-circuit current can be determined based on travelling wave theory. The analysis covers different HVDC grid topologies.

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Ketersediaan

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Informasi Detail

Judul Seri

ELECTRICAL ENGINEERING

No. Panggil

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Penerbit

Berlin : Springer-Verlag Berlin Heidelberg., 2015

Deskripsi Fisik

Electr Eng (2015) 97:213–223

Bahasa

English

ISBN/ISSN

DOI 10.1007/s00202-0

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

(2015) 97:213–223

Subjek

ELECTRICAL ENGINEERING

Info Detail Spesifik

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Pernyataan Tanggungjawab

deliza

Versi lain/terkait

Lampiran Berkas

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