Evaluation of a Constant Parameter Line-Based TWFL Real-Time Testbed

Chalangar, Hossein; Ould-Bachir, Tarek; Sheshyekani, Keyhan; Li, Shijia; Mahseredjian, Jean

doi:10.1109/tpwrd.2019.2933984

Cited by 7 publications

(6 citation statements)

References 17 publications

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“…For example, traveling-wave fault detection requires synchronization on the order of hundreds of nanoseconds to precisely locate a fault [48]. In [49], a traveling-wave fault-detection CPT was designed using an OPAL-RT system with a field-programmable gate array (FPGA) to generate transient signals over fiberoptic cables with a 500 ns time step. This CPT allowed for testing the detection functionality for various fault-locator devices.…”

Section: Timing and Data Synchronizationmentioning

confidence: 99%

Review of Design Elements within Power Infrastructure Cyber–Physical Test Beds as Threat Analysis Environments

et al. 2021

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Cyber–physical systems (CPSs) are an integral part of modern society; thus, enhancing these systems’ reliability and resilience is paramount. Cyber–physical testbeds (CPTs) are a safe way to test and explore the interplay between the cyber and physical domains and to cost-effectively enhance the reliability and resilience of CPSs. Here a review of CPT elements, broken down into physical components (simulators, emulators, and physical hardware), soft components (communication protocols, network timing protocols), and user interfaces (visualization-dashboard design considerations) is presented. Various methods used to validate CPS performance are reviewed and evaluated for potential applications in CPT performance validation. Last, initial simulated results for a CPT design, based on the IEEE 33 bus system, are presented, along with a brief discussion on how model-based testing and fault–injection-based testing (using scaling and ramp-type attacks) may be used to help validate CPT performance.

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Section: Timing and Data Synchronizationmentioning

confidence: 99%

Review of Design Elements within Power Infrastructure Cyber–Physical Test Beds as Threat Analysis Environments

et al. 2021

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“…In [10], the playback function of the relay is used by injecting the pre-recorded fault event files. The approach does not require the physical test setup, but it limits the flexibility and repeatability of tests [11]. The simulator-based HiL tests are implemented in [11] - [14] to address this test limitation, where the injected currents are created from real-time simulators such as the RTDS.…”

Section: Introductionmentioning

confidence: 99%

“…The approach does not require the physical test setup, but it limits the flexibility and repeatability of tests [11]. The simulator-based HiL tests are implemented in [11] - [14] to address this test limitation, where the injected currents are created from real-time simulators such as the RTDS. Compared to the playback function-based tests, the simulatorbased tests have the advantage of changing the system and fault parameters flexibly, and thus, it enables injecting a large number of tests in real time [11].…”

Section: Introductionmentioning

confidence: 99%

“…The simulator-based HiL tests are implemented in [11] - [14] to address this test limitation, where the injected currents are created from real-time simulators such as the RTDS. Compared to the playback function-based tests, the simulatorbased tests have the advantage of changing the system and fault parameters flexibly, and thus, it enables injecting a large number of tests in real time [11]. However, all works in [11] - [14] only study a limited number of cases and the impacts of CBRs on travelling wave protection have not been considered.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of travelling wave protection performance in converter-dominated networks

Liu,

Hong,

Dyśko

et al. 2024

IET Conf. Proc.

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This paper presents a comprehensive study to investigate the travelling wave protection performance in networks with high penetration of Converter-Based Resources (CBRs). Representative network models are developed in the sub-step environment of the Real-Time Digital Simulator (RTDS) and realistic Hardware-in-the-Loop (HiL) tests are conducted on a pair of travelling wave relays (TWRs) to emulate realistic system and fault scenarios. The studies have been conducted in two stages: firstly, systematic tests with a total number of 300 cases have been conducted to have a high-level assessment of TWRs' performance under different fault conditions, e.g. varied fault types, fault positions, Fault Inception Angles (FIAs), and fault resistances; and secondly, detailed investigation has been conducted on selected and representative cases to understand the impact of various factors, e.g. the line-end transformer, system fault levels, converter controls and external faults, on the protection performance. Based on the test results and analysis, it was found that the performance of the TWR is largely unaffected by the variation of system fault levels and converter control strategies, but the connection of the line-end transformer and the low FIAs present challenges for the healthy operation of TWRs in some conditions. Although the tests were conducted for a pair of specific commercially available TWRs, the results have been analysed in a generic manner, so the findings will not only facilitate understanding the benefits/limitations of travelling wave protection in the network with high amounts of CBRs, but also provide a valuable reference for system operators to select the protection solutions in the future.

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“…Considerando os avanços das funções baseadas na análise de transitórios de falta, o desenvolvimento de modelos de LTs que aprimorem testes que demandam análises em uma faixa mais ampla do espectro de frequência, bem como estudos que demonstrem diferenças nos padrões de propagação de OVs quando considerados diferentes modelos de LT têm atraído o interesse de profissionais do setor elétrico. Apesar de alguns estudos já terem avaliado o impacto de diferentes modelos de LT sobre procedimentos de localização de faltas (Chalangar et al, 2019), ainda são escassas investigações comparativas quanto ao comportamento das OVs em simulações EMTP quando do uso de diferentes modelos. Tal fato pode se justificar em parte pela predominância de funcionalidades baseadas na análise de componentes de frequência fundamental, nas quais transitórios em faixas superiores do espectro de frequência são filtrados, sendo extintos do sinal original.…”

Section: Introductionunclassified

Modelagem de Linhas de Transmissão em Programas EMTP: Um Estudo sobre a Propagação de Ondas Viajantes

Ribeiro

Cunha

et al. 2020

Anais Do Simpósio Brasileiro De Sistemas Elétricos 2020

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Apresenta-se nesse trabalho uma análise sobre o impacto de diferentes tipos de modelos de linhas de transmissão (LTs) disponíveis em programas Electromagnetic Transients Program (EMTP) sobre estudos relacionados à propagação de ondas viajantes (OVs). Os modelos considerados são: Bergeron e J. Martí, os quais são implementados assumindo LTs perfeitamente transpostas, transpostas e não transpostas. No estudo proposto, consideram-se transitórios induzidos por faltas monofásicas, os quais são avaliados por meio de um método típico de filtragem de OVs. Em cada caso, sinais nos domínios de fases e modal são avaliados, revelando diferenças do ponto de vista da propagação de OVs quando diferentes modelos de LT são utilizados. Dos resultados obtidos, conclui-se que cada modelo de LT resulta em diferentes padrões de propagação das OVs, especialmente nas ondas de modo terra.

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Evaluation of a Constant Parameter Line-Based TWFL Real-Time Testbed

Cited by 7 publications

References 17 publications

Review of Design Elements within Power Infrastructure Cyber–Physical Test Beds as Threat Analysis Environments

Review of Design Elements within Power Infrastructure Cyber–Physical Test Beds as Threat Analysis Environments

Evaluation of travelling wave protection performance in converter-dominated networks

Modelagem de Linhas de Transmissão em Programas EMTP: Um Estudo sobre a Propagação de Ondas Viajantes

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