Adaptive Threshold-Based Zonal Isolation of Faults in a Multiterminal DC Using Local Measurements

Mitra, Bhaskar; Debnath, Suman; Chowdhury, Badrul

doi:10.1109/jsyst.2021.3054553

Title: Adaptive Threshold-Based Zonal Isolation of Faults in a Multiterminal DC Using Local Measurements

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Abstract

Fast and accurate methods of fault detection and isolation are a pre-emptive measure in multiterminal dc (MTdc) systems. Zonal isolation of faults is necessary to prevent any misopertation of the dc breakers that can lead to a shutdown of the network. Existing techniques require fast-communication or data synchronization methods have their own disadvantages. This article proposes a method for efficient fault zone isolation without the need of a communication link that prevents any misoperation of the dc breakers in a radial MTdc. This method provides individual local measurement-based control to the hybrid dc circuit breakers (dcCB). Faults created outside the zone of protection for a breaker create a change in the rate of change of current or voltage leading to misoperation. To avoid detection using a fixed threshold, an adaptive threshold based approach is suggested that updates the threshold based on the present operating status. Sensitivity analysis by varying the current limiting inductance and fault location is performed. In conclusion, a three terminal radial model of an MTdc is used for zonal isolation using power system computer aided design/electromagnetic transients including dc.

Authors:

Mitra, Bhaskar ^[1];

^[2]; Chowdhury, Badrul ^[3]

Idaho National Lab. (INL), Idaho Falls, ID (United States)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Univ. of North Carolina, Charlotte, NC (United States)

Publication Date:: 2021-02-18

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1771873

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Journal Article: Accepted Manuscript

Journal Name:: IEEE Systems Journal

Additional Journal Information:: Journal Volume: 16; Journal Issue: 1; Journal ID: ISSN 1932-8184

Publisher:: IEEE

Country of Publication:: United States

Language:: English

Subject:: 24 POWER TRANSMISSION AND DISTRIBUTION; DC fault; hybrid dc breaker; local measurement; modular multilevel converter (MMC); radial high-voltage direct current (HVdc)

Citation Formats


                    Mitra, Bhaskar, Debnath, Suman, and Chowdhury, Badrul. Adaptive Threshold-Based Zonal Isolation of Faults in a Multiterminal DC Using Local Measurements.  United States: N. p., 2021. 
        Web.  doi:10.1109/jsyst.2021.3054553.

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                    Mitra, Bhaskar, Debnath, Suman, & Chowdhury, Badrul. Adaptive Threshold-Based Zonal Isolation of Faults in a Multiterminal DC Using Local Measurements.  United States.  https://doi.org/10.1109/jsyst.2021.3054553

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                    Mitra, Bhaskar, Debnath, Suman, and Chowdhury, Badrul. 2021.  
        "Adaptive Threshold-Based Zonal Isolation of Faults in a Multiterminal DC Using Local Measurements".  United States.  https://doi.org/10.1109/jsyst.2021.3054553.  https://www.osti.gov/servlets/purl/1771873.

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@article{osti_1771873,

  title        = {Adaptive Threshold-Based Zonal Isolation of Faults in a Multiterminal DC Using Local Measurements},

  author       = {Mitra, Bhaskar and Debnath, Suman and Chowdhury, Badrul},

  abstractNote = {Fast and accurate methods of fault detection and isolation are a pre-emptive measure in multiterminal dc (MTdc) systems. Zonal isolation of faults is necessary to prevent any misopertation of the dc breakers that can lead to a shutdown of the network. Existing techniques require fast-communication or data synchronization methods have their own disadvantages. This article proposes a method for efficient fault zone isolation without the need of a communication link that prevents any misoperation of the dc breakers in a radial MTdc. This method provides individual local measurement-based control to the hybrid dc circuit breakers (dcCB). Faults created outside the zone of protection for a breaker create a change in the rate of change of current or voltage leading to misoperation. To avoid detection using a fixed threshold, an adaptive threshold based approach is suggested that updates the threshold based on the present operating status. Sensitivity analysis by varying the current limiting inductance and fault location is performed. In conclusion, a three terminal radial model of an MTdc is used for zonal isolation using power system computer aided design/electromagnetic transients including dc.},

  doi          = {10.1109/jsyst.2021.3054553},

  url          = {https://www.osti.gov/biblio/1771873},
  journal      = {IEEE Systems Journal},

  issn         = {1932-8184},

  number       = 1,

  volume       = 16,

  place        = {United States},

  year         = {2021},

  month        = {2}

}

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