A new fuzzy fault locator for series compensated transmission lines

Meyar‐Naimi, Hassan

doi:10.1109/eeeic.2012.6221511

Cited by 4 publications

(1 citation statement)

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“…For system protection setup and design, fault location is one parameter used to analyze with protection equipment as relay. About studying fault location indentifying method in the past researches, there have been many methods such as using fuzzy logic for analyzing fault location (1) , measuring parameter from system as voltage, current (2)-(4) , impedance (5)- (6) and phasor (7) , or measuring traveling wave from starting and ending points of distribution line (8) as used Park's Transformation to transfer 3 phases current to 2 phase DC current for finding differential value of waveform (9) , design location fault method from travelling wave in distribution system containing series capacitor for power factor increasing (10) , fault locating efficiently between hybrid distribution system and overhead line by travelling wave studying (11) . From the above methods, this paper focuses on current traveling wave method for characteristic study of system when fault occurs.…”

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confidence: 99%

Characteristics and Behaviour of Transient Current during Fault Occurrence on Hybrid Overhead line and Underground Cable Distribution System

Satharpornmongkollert

Ngaopitakkul

Pothisarn

2015

Proceedings of the 3rd International Conference on Intelligent Systems and Image Processing 2015

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This paper proposes to study characteristics of distribution system consisting of overhead line and underground cable in a system when single line to ground fault occurs in the system. For this study, ATP/EMTP simulation is used to simulate current waveform in each case as overhead system, underground system and both of underground and overhead systems, called hybrid system. The current waveform is measured at sending end side for analysis when fault occurs. Then, compare the hybrid system result with overhead and underground system results for observing different points. The characteristics from analysis are used to plan and design system protection and determine correctly protection equipment operations.

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