Trigger Properties of an Ejected-Plasma-Triggered SF Gas Gap for 10-kV Smart Distribution Network<sub />

Li, Xiaoang; Wan, Shenghui; Jiang, Pan; Zhang, Ningbo; Li, Zhibing; Zhang, Qiaogen

doi:10.1109/tps.2022.3203789

Cited by 3 publications

References 15 publications

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Study on the properties of enhanced plasma injection driven by electrical explosion of aluminum wire in PTFE capillary in high-pressure SF6

Li,

Jiang,

et al. 2023

Physics of Plasmas

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Enhanced plasma injection (EPI) driven by the electrical explosion of a metal wire in a microcavity has been proven to be an effective method for triggering 10-cm-magnitude high-pressure SF6 gas gap at very low working coefficients and provides a potential technical routine for ultrafast bypass switches (UFBPSs). In this study, aiming to further promote the EPI strength and improve its triggering ability, the EPI actuator is optimized, and several vital parameters of the actuator structure, including diameter D and length L of the microcavity and nozzle shape, are investigated. EPI with a maximum height of ∼10 cm and an initial velocity of ∼1000 m/s can be realized in 0.5 MPa SF6 when a 600 μm aluminum wire is exploded by a ∼1000 J trigger pulse. The EPI strength vs D curve has an inverted V shape, and 2 mm D results in the most intense EPI, due to the competitive effect of the vent congestion inside a thin capillary and parasitic volume in a fat capillary. As L increases, the EPI strength increases to saturation and then decreases. A 20–23 mm L can yield suitable EPI strength with limited trigger energy. The nozzle shape has a remarkable influence, and a divergent-type nozzle leads to a much stronger EPI than the shrink-type or straight-type nozzle, generating an EPI with a maximum height of 12 cm and an initial velocity of 1600 m/s. This study provides a useful guidance for the EPI actuator design for triggering megavolt UFBPSs at very low working coefficients.

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Study on the properties of enhanced plasma injection driven by electrical explosion of aluminum wire in PTFE capillary in high-pressure SF6

Li,

Jiang,

et al. 2023

Physics of Plasmas

View full text Add to dashboard Cite

show abstract

Study on the Performance Degradation of an Ejected-Plasma-Triggered SF₆ Gas Gap for 10-kV Smart Distribution Network

Jiang

et al. 2023

2023 IEEE 6th International Electrical and Energy Conference (CIEEC)

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Study on the Trigger Properties of Plasma Injection Excited by Pulse Transformer for 10-kV Smart Distribution Network

Zhang

et al. 2023

2023 IEEE 6th International Electrical and Energy Conference (CIEEC)

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Trigger Properties of an Ejected-Plasma-Triggered SF Gas Gap for 10-kV Smart Distribution Network

Cited by 3 publications

References 15 publications

Study on the properties of enhanced plasma injection driven by electrical explosion of aluminum wire in PTFE capillary in high-pressure SF6

Study on the properties of enhanced plasma injection driven by electrical explosion of aluminum wire in PTFE capillary in high-pressure SF6

Study on the Performance Degradation of an Ejected-Plasma-Triggered SF₆ Gas Gap for 10-kV Smart Distribution Network

Study on the Trigger Properties of Plasma Injection Excited by Pulse Transformer for 10-kV Smart Distribution Network

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Trigger Properties of an Ejected-Plasma-Triggered SF Gas Gap for 10-kV Smart Distribution Network

Cited by 3 publications

References 15 publications

Study on the properties of enhanced plasma injection driven by electrical explosion of aluminum wire in PTFE capillary in high-pressure SF6

Study on the properties of enhanced plasma injection driven by electrical explosion of aluminum wire in PTFE capillary in high-pressure SF6

Study on the Performance Degradation of an Ejected-Plasma-Triggered SF6 Gas Gap for 10-kV Smart Distribution Network

Study on the Trigger Properties of Plasma Injection Excited by Pulse Transformer for 10-kV Smart Distribution Network

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Product

Resources

About

Study on the Performance Degradation of an Ejected-Plasma-Triggered SF₆ Gas Gap for 10-kV Smart Distribution Network