Development and Field-data Evaluation of Single-end Fault Locator for Two-Terminal HVDC Transmission Lines, Part I: Data Collection System and Field Data

Andò,; Schweitzer,; Baker,

doi:10.1109/mper.1985.5528631

Cited by 6 publications

(7 citation statements)

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“…It overcomes most effects of signal distortion and provides excellent interpolation between samples. This method was first used in fault locating in the dc fault locator described in [8] and [9] and is therefore field-proven for the application. Fig.…”

Section: Determining the Time Of Arrivalmentioning

confidence: 99%

A new traveling wave fault locating algorithm for line current differential relays

Schweitzer¹,

Guzmán²,

Mynam³

et al. 2014

12th IET International Conference on Developments in Power System Protection (DPSP 2014)

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Faults on overhead power lines cause transients that travel at the speed of light and propagate along the line as traveling waves (TWs). This paper presents a new algorithm for TW fault locating suitable for implementation in line current differential relays. The paper presents the new algorithm in detail, including filtering, phase and mode selection, time stamping, and compensation for dispersion. The paper includes a number of actual field cases from a 161 kV transmission line at Bonneville Power Administration.

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Section: Determining the Time Of Arrivalmentioning

confidence: 99%

A new traveling wave fault locating algorithm for line current differential relays

Schweitzer¹,

Guzmán²,

Mynam³

et al. 2014

12th IET International Conference on Developments in Power System Protection (DPSP 2014)

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“…In the middle of 1980s, the interest for travelling wave methods was renewed by SEL Inc. and other papers were published to employ this technique for fault location [9][10][11]. A technique for locating faults using information from only one end of the line is developed in [9,10].…”

Section: Travelling Wave Based Fault Locationmentioning

confidence: 99%

“…A technique for locating faults using information from only one end of the line is developed in [9,10]. This method uses successive reflections generated by faults (reflectometry technique).…”

Section: Travelling Wave Based Fault Locationmentioning

confidence: 99%

“…For instance, when the line is grounded through a large resistance, the transient travelling wave signals are too weak to be detected, disabling the fault location under these circumstances. Moreover, if a fault is caused by a gradual change in the transition resistance, the travelling wave may also be too weak to be discovered, resulting in the failure of the fault location [9][10][11][12][14][15][16]]. -In these methods, is measured the time it takes the wavehead to arrive at the point where the device is installed, and the fault distance is the product of the time and the wave speed.…”

Section: -P2 Nd European Energy Conferencementioning

confidence: 99%

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Travelling Wave Based Fault Location Analysis for Transmission Lines

Andrade

Leão

2012

EPJ Web of Conferences

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Abstract. This paper presents a review of the state of the art for fault location methods in transmission lines based on travelling waves. The motivations that led to these methods are explained historically. Also, a critical analysis, showing the advantages and disadvantages of each of them and their most common applications, is performed. Finally, a comparative analysis between two of the most widely used methods is carried out using real faults, in order to show the results' sensitivity to changes in the line parameters.

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“…As compare to impedance method, travelling wave method would give accurate results [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29]. The drawback of this method is depending upon system parameters and configuration of network [30][31].…”

Section: Introductionmentioning

confidence: 99%

Location of Downed or Broken Power Line Fault Not Touching the Ground

Nuthalapati¹,

Sinha²

2019

EJEE

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Faults occurred in power system are common, all these faults are detected by protective devices but faults like Downed or Broken power line Fault not touching the ground, these faults not having enough faults current to operate fault detection devices in Over Head power distribution. Till now there is no protecting devices are identified this type of fault and location of this fault. As of now identifying by only by visual sighting. The proposed solution for finding Fault location Downed or Broken power line Fault not touching the ground.

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Development and Field-data Evaluation of Single-end Fault Locator for Two-Terminal HVDC Transmission Lines, Part I: Data Collection System and Field Data

Cited by 6 publications

References 0 publications

A new traveling wave fault locating algorithm for line current differential relays

A new traveling wave fault locating algorithm for line current differential relays

Travelling Wave Based Fault Location Analysis for Transmission Lines

Location of Downed or Broken Power Line Fault Not Touching the Ground

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