Ziyi Li - IEEE Xplore Author Profile
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Ziyi Li

Also published under: Z. Y. Li

Publications
10
Citations
83
Publications by Year
20182021
Co-Authors:
Show All Co-Authors (11)
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Ziyi Li

Also published under: Z. Y. Li

Affiliation

School of Electrical and Information Engineering
Tianjin University
Tianjin, China

Publication Topics

Biography

Ziyi Li was born in Tianjin, China, in 1995. He received the M.S. degree in electrical engineering from Tianjin University, Tianjin, in 2020.,His research interests include nanocomposite technology and surface charge measurement in solid dielectrics.(Based on document published on 24 June 2021).
Publications
10
Citations
83
Publications by Year
20182021
Co-Authors:
Show All Co-Authors (11)
Author's Published Works

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Surface Charge Accumulation on a Real Size Epoxy Insulator With Bouncing Metal Particle Under DC Voltage

Yu Gao;Huan Wang;Xiaochen Yuan;Huicun Zhao;Ziyi Li

IEEE Transactions on Plasma Science
Year: 2021 | Volume: 49, Issue: 7 | Journal Article |
Cited by: Papers (17)
Free metal particle can affect surface charge accumulation on epoxy insulator installed in gas-insulated transmission line (GIL) or gas-insulated switchgear (GIS), which results in reduction of surface flashover voltage thus threatening the safe operation of the power equipment. This article reports on the charge accumulation behavior on a real size epoxy insulator with bouncing metal particle und...Show More

Surface Charge Accumulation on a Real Size Epoxy Insulator With Bouncing Metal Particle Under DC Voltage

Yu Gao;Huan Wang;Xiaochen Yuan;Huicun Zhao;Ziyi Li

Year: 2021 | Volume: 49, Issue: 7 | Journal Article |

Gaseous Ionization Dependence of Surface Charge Pattern on Epoxy Insulator With Complex Surface Profile Under DC Voltage

Yu Gao;Huan Wang;Ziyi Li;Xiaochen Yuan;Huicun Zhao

IEEE Transactions on Plasma Science
Year: 2021 | Volume: 49, Issue: 5 | Journal Article |
Cited by: Papers (8)
Surface charge accumulation on epoxy insulator installed in gas-insulated transmission line (GIL) and gas-insulated switchgear (GIS) has been recognized as a crucial factor for electric field distortion that results in the reduction of surface flashover voltage. This article reports on the gaseous ionization dependence of the charge accumulation pattern on a real-size epoxy insulator with multiarc...Show More

Gaseous Ionization Dependence of Surface Charge Pattern on Epoxy Insulator With Complex Surface Profile Under DC Voltage

Yu Gao;Huan Wang;Ziyi Li;Xiaochen Yuan;Huicun Zhao

Year: 2021 | Volume: 49, Issue: 5 | Journal Article |

Effect of Surface Coating on Charge Accumulation Feature on Epoxy Insulator under DC Voltage

Huicun Zhao;Yu Gao;Tao Tian;Jin He;Xiaochen Yuan;Huan Wang;Ziyi Li

2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
Epoxy insulator widely used in Gas Insulated Switchgear (GIS) and Gas Insulated transmission Line (GIL) is subjected to the risk of surface charge accumulation that leads to the electric field distortion and the reduction in flashover voltage thus threatening the insulation performance. From the viewpoint of safety, it is very necessary to control the charge accumulation on epoxy insulator surface...Show More

Effect of Surface Coating on Charge Accumulation Feature on Epoxy Insulator under DC Voltage

Huicun Zhao;Yu Gao;Tao Tian;Jin He;Xiaochen Yuan;Huan Wang;Ziyi Li

Year: 2020 | Conference Paper |

Metal particle encouraged surface charge accumulation on epoxy insulator with multi-arc surface profile under DC voltage

Yu Gao;Ziyi Li;Huan Wang;Xiaochen Yuan

IEEE Transactions on Dielectrics and Electrical Insulation
Year: 2020 | Volume: 27, Issue: 3 | Journal Article |
Cited by: Papers (32)
Surface charge accumulation on epoxy insulator installed in gas insulated switchgear (GIS) or gas insulated transmission line (GIL) has been recognized as an important factor for electric field distortion that results in reduction of surface flashover voltage. This paper reports on surface charge accumulation behavior on a actual epoxy insulator for 100 kV GIL prototype with multi-arc surface prof...Show More

Metal particle encouraged surface charge accumulation on epoxy insulator with multi-arc surface profile under DC voltage

Yu Gao;Ziyi Li;Huan Wang;Xiaochen Yuan

Year: 2020 | Volume: 27, Issue: 3 | Journal Article |

Graphene Oxide Addition With Low Fraction Improving Surface Charge Inhibition Performance of Epoxy/SiC Coating Under DC Stress

Yu Gao;Xiaochen Yuan;Huan Wang;Minghang Wang;Ziyi Li;Tao Han

IEEE Access
Year: 2020 | Volume: 8 | Journal Article |
Cited by: Papers (7)
Surface charge accumulation under DC stress is a critical factor in reducing the insulation performance of epoxy-based nanocomposite. Surface coating has been used to inhibit the charge accumulation, but the inhibition mechanism of the coating material is still unclear. In this paper, graphene oxide (GO) and silicon carbide (SiC) have been selected as fillers to prepare the coating material with e...Show More

Graphene Oxide Addition With Low Fraction Improving Surface Charge Inhibition Performance of Epoxy/SiC Coating Under DC Stress

Yu Gao;Xiaochen Yuan;Huan Wang;Minghang Wang;Ziyi Li;Tao Han

Year: 2020 | Volume: 8 | Journal Article |

Surface Charging on Epoxy/Al2O3 Nanocomposites Under DC Voltage Superimposed by Repetitive Pulses

Yu Gao;Ziyi Li;Ning Zhao;Minghang Wang;Tao Han;Yong Liu

IEEE Transactions on Plasma Science
Year: 2019 | Volume: 47, Issue: 7 | Journal Article |
Cited by: Papers (11)
Surface charge accumulation on polymer insulating material has been recognized as an important factor for electric field distortion that results in reduction of surface flashover voltage. This paper reports on the charge accumulation behavior between a pair of finger-shaped electrodes on epoxy/Al2O3 nanocomposites under dc voltage superimposed by repetitive pulses. The charge distribution was meas...Show More

Surface Charging on Epoxy/Al2O3 Nanocomposites Under DC Voltage Superimposed by Repetitive Pulses

Yu Gao;Ziyi Li;Ning Zhao;Minghang Wang;Tao Han;Yong Liu

Year: 2019 | Volume: 47, Issue: 7 | Journal Article |

Magnetic field induced variation in surface charge accumulation behavior on epoxy/Al2O3 nanocomposites under DC stress

Yu Gao;Ziyi Li;Minghang Wang;Boxue Du

IEEE Transactions on Dielectrics and Electrical Insulation
Year: 2019 | Volume: 26, Issue: 3 | Journal Article |
Cited by: Papers (3)
Surface charge accumulation on epoxy based nanocomposites under DC stress with and without the presence of a magnetic field was investigated in this work. Two mm-thick sheet samples were prepared by adding 60 nm-Al2O3 particles into epoxy with filler content of 1 to 5 wt%. A pair of finger-shaped electrodes was employed to introduce electric charges onto the sample surface under DC stress of ±5 an...Show More

Magnetic field induced variation in surface charge accumulation behavior on epoxy/Al2O3 nanocomposites under DC stress

Yu Gao;Ziyi Li;Minghang Wang;Boxue Du

Year: 2019 | Volume: 26, Issue: 3 | Journal Article |

Surface Charge Distribution Measurement before and after DC Flashover: A Novel Insight to the Influence of Surface Charge on Flashover Voltage

Yu Gao;Minghang Wang;Ning Zhao;Ziyi Li;Yong Liu;Tao Han;Boxue Du

2018 IEEE International Conference on High Voltage Engineering and Application (ICHVE)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
In this paper, epoxy resin as well as its nanocomposites with Al2O3 as the filler has been employed as the filler has been employed as test sample to investigate the surface charge distribution features before and after DC flashover. Electrical charges were introduced on sample surface by means of a pair of finger-shaped electrodes which were stressed with DC voltage superimposed by repetitive pul...Show More

Surface Charge Distribution Measurement before and after DC Flashover: A Novel Insight to the Influence of Surface Charge on Flashover Voltage

Yu Gao;Minghang Wang;Ning Zhao;Ziyi Li;Yong Liu;Tao Han;Boxue Du

Year: 2018 | Conference Paper |

Surface Charge Accumulation of Epoxy/Al2O3 Nanocomposites under Magnetic Field

Z.Y. Li;Y. Gao;M.H. Wang;N. Zhao;B.X. Du

2018 IEEE 2nd International Conference on Dielectrics (ICD)
Year: 2018 | Conference Paper |
Epoxy/Al2O3 nanocomposites (EP/Al2O3) have been used as insulating material of electrical equipment. However, charges accumulated on the surface of EP/Al2O3 are regarded as a weakness point that may cause flashover and insulation failure. Accordingly, the understanding of surface charge dynamics is helpful for the safety of the insulation. This paper focuses on the surface charge accumulation char...Show More

Surface Charge Accumulation of Epoxy/Al2O3 Nanocomposites under Magnetic Field

Z.Y. Li;Y. Gao;M.H. Wang;N. Zhao;B.X. Du

Year: 2018 | Conference Paper |

Effect of Coating on Surface Charge Accumulation and DC Flashover of Epoxy/Al2O3 Nanocomposites

M.H. Wang;Y. Gao;Z.Y. Li;N. Zhao;B.X. Du

2018 IEEE 2nd International Conference on Dielectrics (ICD)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
This paper mainly investigated the role of surface coating in inhibiting surface charge accumulation and increasing DC flashover voltage on epoxy based nanocomposites. The sample was prepared by incorporating 1 wt% nano Al2O3 particles with epoxy resin (EP), the coating was achieved by mixing uniformly with silicon carbide (SiC) and EP. The effect of coating thickness and SiC content were investig...Show More

Effect of Coating on Surface Charge Accumulation and DC Flashover of Epoxy/Al2O3 Nanocomposites

M.H. Wang;Y. Gao;Z.Y. Li;N. Zhao;B.X. Du

Year: 2018 | Conference Paper |

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