A universal high voltage SF6 circuit breaker for HVDC and HVAC systems

Abstract High voltage alternating current (HVAC) and high voltage direct current (HVDC) transmission systems have acted as the pillars for the transmission field in power networks. Thus, two types of circuit breakers (CBs) existed; HVDC-CB and HVAC-CB. This imposed a burden on manufacturers by requi...

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Main Authors: Fady Wadie, Tamer Eliyan
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Subjects:
Online Access:https://doi.org/10.1038/s41598-024-82786-w
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author Fady Wadie
Tamer Eliyan
author_facet Fady Wadie
Tamer Eliyan
author_sort Fady Wadie
collection DOAJ
description Abstract High voltage alternating current (HVAC) and high voltage direct current (HVDC) transmission systems have acted as the pillars for the transmission field in power networks. Thus, two types of circuit breakers (CBs) existed; HVDC-CB and HVAC-CB. This imposed a burden on manufacturers by requiring them to set up a separate production line for each type of them, increasing production time and overall cost. This paper proposes a solution for this problem by combing both types into a single universal frame termed as UHAD-CB that could be utilized in both systems. Achieving this aim would reduce the manufacturing obstacles and benefit the entire industry. The proposed UHAD-CB was based on the structure of HVDC-CB which utilizes SF6 interrupter equipped with shunt L-C branch. The UHAD-CB is tested in both HVDC and HVAC systems and the results proved its reliability in both systems. The evaluation analysis for the performance of UHAD-CB showed its ability to reduce the transient recovery voltage by 28% in comparison to conventional HVAC-CB. This increase in performance rates allowed the usage of SF6 interrupter with lower cooling power than that for HVAC-CB which compensates for the added cost for L-C branch. In addition, the overall reduction in cost from the manufacturing point of view would add to that benefit. Finally, the optimum L and C values were found to be in range of 0.1 mH and 50 µF respectively for the selected systems.
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spelling doaj-art-39552f4b3db246828c7cd141fd9af0662025-08-20T02:12:01ZengNature PortfolioScientific Reports2045-23222025-01-0115111610.1038/s41598-024-82786-wA universal high voltage SF6 circuit breaker for HVDC and HVAC systemsFady Wadie0Tamer Eliyan1Mechatronics and Robotics Engineering Department, Faculty of Engineering, Egyptian Russian UniversityDepartment of Electrical Engineering, Faculty of Engineering at Shoubra, Benha UniversityAbstract High voltage alternating current (HVAC) and high voltage direct current (HVDC) transmission systems have acted as the pillars for the transmission field in power networks. Thus, two types of circuit breakers (CBs) existed; HVDC-CB and HVAC-CB. This imposed a burden on manufacturers by requiring them to set up a separate production line for each type of them, increasing production time and overall cost. This paper proposes a solution for this problem by combing both types into a single universal frame termed as UHAD-CB that could be utilized in both systems. Achieving this aim would reduce the manufacturing obstacles and benefit the entire industry. The proposed UHAD-CB was based on the structure of HVDC-CB which utilizes SF6 interrupter equipped with shunt L-C branch. The UHAD-CB is tested in both HVDC and HVAC systems and the results proved its reliability in both systems. The evaluation analysis for the performance of UHAD-CB showed its ability to reduce the transient recovery voltage by 28% in comparison to conventional HVAC-CB. This increase in performance rates allowed the usage of SF6 interrupter with lower cooling power than that for HVAC-CB which compensates for the added cost for L-C branch. In addition, the overall reduction in cost from the manufacturing point of view would add to that benefit. Finally, the optimum L and C values were found to be in range of 0.1 mH and 50 µF respectively for the selected systems.https://doi.org/10.1038/s41598-024-82786-wTransmission lineHVDCHVACCircuit breaker, SF6
spellingShingle Fady Wadie
Tamer Eliyan
A universal high voltage SF6 circuit breaker for HVDC and HVAC systems
Scientific Reports
Transmission line
HVDC
HVAC
Circuit breaker, SF6
title A universal high voltage SF6 circuit breaker for HVDC and HVAC systems
title_full A universal high voltage SF6 circuit breaker for HVDC and HVAC systems
title_fullStr A universal high voltage SF6 circuit breaker for HVDC and HVAC systems
title_full_unstemmed A universal high voltage SF6 circuit breaker for HVDC and HVAC systems
title_short A universal high voltage SF6 circuit breaker for HVDC and HVAC systems
title_sort universal high voltage sf6 circuit breaker for hvdc and hvac systems
topic Transmission line
HVDC
HVAC
Circuit breaker, SF6
url https://doi.org/10.1038/s41598-024-82786-w
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