Analysis of Secondary Arc Extinction Effects according to the Application of Shunt Reactor and High Speed Grounding Switches in Transmission Systems

Sohn, Seung-Hyun; Park, Ji-Kyung; Oh, Yun-Sik; Kim, Chul‐Hwan; Kim, Wan-Jong; Oh, Hwa-Jin; Yang, Junh-Jae; Senjyu, Tomonobu; Funabashi, Toshihisa

doi:10.1080/22348972.2014.11011891

Cited by 5 publications

(1 citation statement)

References 9 publications

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“…Moreover, constant time in reclosing can destabilize the power system because the nature of faults and secondary arc extinction is not guaranteed before reclosing. To overcome these issues and improve the transient stability of the power system, adaptive auto-reclosing schemes have been introduced [26][27][28][29]. Therefore, adaptive reclosing has briefly introduced transient nature and repercussions to avoid misclassification of faults for successful auto-reclosing performance.…”

Section: A Conventional Auto-reclosing Schemesmentioning

confidence: 99%

A Comprehensive Review of Auto-Reclosing Schemes in AC, DC, and Hybrid (AC/DC) Transmission Lines

et al. 2021

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The integration of distributed generators has changed the paradigm of modern power transmission systems. To cope with energy demands, electrical networks emphasize the efficient utilization of power transmission. Thus, high-voltage DC (HVDC) and hybrid (AC/DC) transmission systems are also getting attention owing to their high efficiency in addition to the widely adopted high-voltage AC (HVAC) systems. Most faults in the bulk of transmission lines are temporary or intermittent. Auto-reclosing schemes can be used to prevent these faults. However, conventional auto-reclosing schemes based on constant dead time cannot recognize the fault nature within the assigned duration. Consequently, the accuracy of power grids can be compromised. Therefore, adaptive auto-reclosing schemes are convenient for overcoming the issues caused by the rapid restoration of faulty power lines. This can enhance system reliability and avoid power failures and blackouts. This study is based on a systematic, detailed, and thorough research review of the existing auto-reclosing schemes in all three power transmission lines, i.e., AC, DC, and hybrid (AC/DC). Subsequently, a critical analysis has been performed to assess the pros and cons of each existing adaptive auto-reclosing scheme. Finally, future recommendations are presented to improve adaptive auto-reclosing schemes in each medium.

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Section: A Conventional Auto-reclosing Schemesmentioning

confidence: 99%

A Comprehensive Review of Auto-Reclosing Schemes in AC, DC, and Hybrid (AC/DC) Transmission Lines

et al. 2021

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Simulation Analysis to Investigate Reasons for Failure of Neutral Grounding Reactor

Soni

Sheth

Modi³

et al. 2019

2019 3rd International Conference on Trends in Electronics and Informatics (ICOEI)

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A Methodology to Prevent Failure in Single Pole Reclosing Operations

Miguel¹

2017

International Journal of Emerging Electric Power Systems

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After a phase to earth fault in a transmission line, opening of the circuit breaker poles at line extremities interrupts the fault current in the faulted phase. However, due to coupling between phases there is still a residual current through the electric arc, which is then denominated secondary arc. Interruption of the secondary arc defines if single pole reclosing operation will succeed. Nowadays, studies evaluate the likelihood of secondary arc interruption to define application of single phase reclosing. By several reasons, the secondary arc interruption may not occur leading the single pole reclosing operation to a failure. In this case, the circuit breaker pole has to open again and that depletes the energy stored in the operating mechanism. As the rated operating cycle of a fast reclosing circuit breaker is O – 0,3 s – CO – 15 s CO, a failure in the first reclosing shot makes necessary an interval longer than 15 s to perform a second reclosing shot. The methodology presented herein establishes a verification beforehand if a single pole reclosing will be successful. With the secondary arc still active, the single pole reclosing is blocked and the system proceeds to a three pole reclosing. Blocking of the first reclosing shot keeps the energy stored in the operating mechanism and the three pole reclosing shot may proceed with an interval of 300 ms.

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Analysis of Secondary Arc Extinction Effects according to the Application of Shunt Reactor and High Speed Grounding Switches in Transmission Systems

Cited by 5 publications

References 9 publications

A Comprehensive Review of Auto-Reclosing Schemes in AC, DC, and Hybrid (AC/DC) Transmission Lines

A Comprehensive Review of Auto-Reclosing Schemes in AC, DC, and Hybrid (AC/DC) Transmission Lines

Simulation Analysis to Investigate Reasons for Failure of Neutral Grounding Reactor

A Methodology to Prevent Failure in Single Pole Reclosing Operations

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