NDLI: A new protection principle for HVDC transmission lines based on fault component of voltage and current

Content Provider	IEEE Xplore Digital Library
Author	Luhua Xing Qing Chen Zhanjun Gao Zhaoyuan Fu
Copyright Year	2011
Description	Author affiliation: School of Electrical Engineering, Shandong University, Jinan city, 250061, Peoples' Republic of China (Luhua Xing; Qing Chen; Zhanjun Gao; Zhaoyuan Fu)
Abstract	The paper presents a new protection principle for double circuit transmission lines of bipolar HVDC transmission system. By comparing the magnitudes of fault component of voltages on the bipolar lines, the faulty line can be identified. By comparing the polarities of fault component of currents at the ends of the faulty line, the internal faults and external faults can be differentiated. The principle can be applied for bipolar neutral grounding at both ends and monopolar metallic return mode operation. Different conditions are considered to research the operating characteristic of the proposed protection criterions, including short circuit faults on AC-side bus, commutation failure, lightning stroke and short circuit faults on dc transmission lines with different positions and transition resistances. Simulations results show the selectivity, speed, sensitivity and reliability of the protection principle, and the sampling frequency requirement of measuring instruments in the protection scheme can be 10∼ 100 kHz.
Starting Page	1
Ending Page	6
File Size	1067477
Page Count	6
File Format	PDF
ISBN	9781457710001
ISSN	19449925
e-ISBN	9781457710025
e-ISBN	9781457710018
DOI	10.1109/PES.2011.6039315
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Circuit faults Wavelet transforms Lightning Power transmission lines HVDC transmission Fault diagnosis wavelet transform protection principle fault component of voltage and current lightning stroke
Content Type	Text
Resource Type	Article

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