Frequency-dependent cables for the calculation of line short-circuit currents in HVDC networks

Wasserrab, Andreas; Balzer, Gerd

doi:10.1109/upec.2014.6934740

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…The modal attenuations are the real part of √ and the modal velocities are calculated using (17). The cable data for different bundles are adopted from [12], [20], [21]. According to the table I, for frequencies higher than 100 kHz, the modal velocities do not change significantly.…”

Section: Characteristics Of the Modesmentioning

confidence: 99%

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On the Application of Modal Transient Analysis for Online Fault Localization in HVDC Cable Bundles

Ashouri

Silva

Bak

2020

IEEE Trans. Power Delivery

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This paper presents the modal analysis of different HVDC cable bundles. Using modal theory, specific transformation matrices are presented, and the modal equivalent circuits are illustrated. The behavior of the resulting modes is studied in a wide frequency range, the impact of different cable parameters and burial configurations on the modal characteristics are analyzed. A concept for online fault localization in HVDC cable transmission based on the difference between the modal velocities and consequently the arrival times of the modal traveling wave (TW) initial peaks is presented. In this method, modal voltages and currents are used instead of direct measurements and the proposed concept uses one-sided measurement without needing to detect the second TW reflections. Multiple faults are applied to CIGRE HVDC models in PSCAD/EMTDC and the modal analysis is obtained in MATLAB. The impact of different sampling frequencies, fault resistance, fault location and different grounding schemes on the proposed modal fault location principle is analyzed. The theoretical results show the accuracy of the proposed modal fault localization concept for different HVDC cable bundles.

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Section: Characteristics Of the Modesmentioning

confidence: 99%

“…8 [21]. The cable data for different bundles are adopted from [12], [20], [21]. The cables series impedance and admittance matrices are obtained for the frequency of 1 MHz and the data is exported to MATLAB.…”

Section: Modal Velocity Difference For Fault Locationmentioning

confidence: 99%

On the Application of Modal Transient Analysis for Online Fault Localization in HVDC Cable Bundles

Ashouri

Silva

Bak

2020

IEEE Trans. Power Delivery

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Fault Location Dependency of Short-Circuit Currents in MMC based Meshed HVDC Cable Systems

Pfendler

Saçiak

Hanson

et al. 2019

2019 IEEE Milan PowerTech

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Frequency-dependent cables for the calculation of line short-circuit currents in HVDC networks

Cited by 2 publications

References 5 publications

On the Application of Modal Transient Analysis for Online Fault Localization in HVDC Cable Bundles

On the Application of Modal Transient Analysis for Online Fault Localization in HVDC Cable Bundles

Fault Location Dependency of Short-Circuit Currents in MMC based Meshed HVDC Cable Systems

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