Fault location method for MV cable network

Saha, M.M.; Provoost, F.; Rosołowski, E.

doi:10.1049/cp:20010165

Cited by 23 publications

(6 citation statements)

References 3 publications

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“…A useful analysis of faults in underground cables was carried out, and the travelling waves generated by the fault were discussed and in the form of voltage and current equations presented before, and the method of using these waves was also described in the fault location [10]- [12]. The power cable model is described and a complete model of three-phase power cables is provided [13]- [15]. Subsequently, the discrete Fourier transform (DFT) method will be introduced as a powerful method of discrete Fourier transform for the waves of sampling.…”

Section: Methodsmentioning

confidence: 99%

Comparative detection and fault location in underground cables using Fourier and modal transforms

Nazerian

Zakerifar

Zadehbagheri

et al. 2022

IJECE

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<span>In this research, we create a single-phase to ground synthetic fault by the simulation of a three-phase cable system and identify the location using mathematical techniques of Fourier and modal transforms. Current and voltage signals are measured and analyzed for fault location by the reflection of the waves between the measured point and the fault location. By simulating the network and line modeling using alternative transient programs (ATP) and MATLAB software, two single-phase to ground faults are generated at different points of the line at times of 0.3 and 0.305 s. First, the fault waveforms are displayed in the ATP software, and then this waveform is transmitted to MATLAB and presented along with its phasor view over time. In addition to the waveforms, the detection and fault location indicators are presented in different states of fault. Fault resistances of 1, 100, and 1,000 ohms are considered for fault creation and modeling with low arch strength. The results show that the proposed method has an average fault of less than 0.25% to determine the fault location, which is perfectly correct. It is varied due to changing the conditions of time, resistance, location, and type of error but does not exceed the above value.</span>

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Section: Methodsmentioning

confidence: 99%

Comparative detection and fault location in underground cables using Fourier and modal transforms

Nazerian

Zakerifar

Zadehbagheri

et al. 2022

IJECE

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“…The algorithm proposed by Saha in [7] uses the fundamental frequency voltages and currents measured at a line terminal before and during the fault. Current can also be measured at the supplying transformer if only one centralized type of fault recorder is installed at the substation.…”

Section: Methods Of Mourari Sahamentioning

confidence: 99%

An Overview to Fault Location Methods in Distribution System Based on Single End Measures of Voltage an Current

Mora¹,

Meléndez²,

Vinyoles³

et al. 2004

REPQJ

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The problem of fault location has been studied deeply for transmission lines due its importance in the power system. Nowadays the problem of fault location on distribution systems is receiving special attention mainly because of the power quality regulations. This paper presents some of the most relevant methods for fault location in radial power systems. Additionally here is presented an hybrid fault location algorithm which takes advantage of both, the algorithmic and the knowledge based methods. The obtained results from fault location methods help utilities in both network operation and network planning.

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“…Many fault location algorithms have been proposed for distribution systems, including impedance-based methods [1][2][3][4][5][6], traveling waves based methods [7][8][9][10], and knowledge-based methods [11][12]. Amongst all methods proposed in the literature, impedance-based fault location methods are most generic, practical and straightforward to implement [1][2].…”

Section: Introductionmentioning

confidence: 99%

“…Also, impedance-based methods require no training sets, thus are more generic in their approach. A two stage fault location algorithm using both pre-fault and fault voltage and current measurements was proposed in [5]. The method does not made any assumption regarding the line impedances and load taps, thus it is reasonably accurate even in a heavily taped feeder system.…”

Section: Introductionmentioning

confidence: 99%

Locating of multi-phase faults of ungrounded distribution system

Dubey

Sun²,

Nikovski

et al. 2014

2014 International Conference on Power System Technology

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This paper proposes a new method for locating multi-phase faults in ungrounded distribution systems, including phase-to-phase faults, double-phase-to-ground faults, and three-phase faults. Through identification of the faulty feeder section, the fault location algorithm is only implemented on the faulty section of the feeder, thus avoiding the unnecessary computations. A twoended fault location algorithm is implemented for both two and three phase faults on the mainline of the faulty section. Two different one-ended fault location algorithms are also implemented for handling two-phase faults and three-phase faults on the laterals of the faulty section respectively. The proposed fault location algorithms make no assumption regarding the fault impedance, thus estimation of fault location is invariant to fault impedances. Numerical examples are given to demonstrate the effectiveness of the proposed method. IEEE PowerCon 2014This work may not be copied or reproduced in whole or in part for any commercial purpose. Permission to copy in whole or in part without payment of fee is granted for nonprofit educational and research purposes provided that all such whole or partial copies include the following: a notice that such copying is by permission of Mitsubishi Electric Research Laboratories, Inc.; an acknowledgment of the authors and individual contributions to the work; and all applicable portions of the copyright notice. Copying, reproduction, or republishing for any other purpose shall require a license with payment of fee to Mitsubishi Electric Research Laboratories, Inc. All rights reserved.  Abstract-This paper proposes a new method for locating multi-phase faults in ungrounded distribution systems, including phase-to-phase faults, double-phase-to-ground faults, and three-phase faults. Through identification of the faulty feeder section, the fault location algorithm is only implemented on the faulty section of the feeder, thus avoiding the unnecessary computations. A two-ended fault location algorithm is implemented for both two and three phase faults on the mainline of the faulty section. Two different one-ended fault location algorithms are also implemented for handling two-phase faults and three-phase faults on the laterals of the faulty section respectively. The proposed fault location algorithms make no assumption regarding the fault impedance, thus estimation of fault location is invariant to fault impedances. Numerical examples are given to demonstrate the effectiveness of the proposed method.

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Fault location method for MV cable network

Cited by 23 publications

References 3 publications

Comparative detection and fault location in underground cables using Fourier and modal transforms

Comparative detection and fault location in underground cables using Fourier and modal transforms

An Overview to Fault Location Methods in Distribution System Based on Single End Measures of Voltage an Current

Locating of multi-phase faults of ungrounded distribution system

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