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Yanqing Li - IEEE Xplore Author Profile
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Yanqing Li

Publications
5
Citations
8
Publications by Year
20172022
Co-Authors:
Show All Co-Authors (8)
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Yanqing Li

Affiliation

State Key Laboratory of Power Transmission Equipment and System Security and New Technology
Chongqing University
Chongqing, China

Publication Topics

Biography

Yanqing Li was born in Chongqing, China, in 1992. He received the M.Eng. degree from the College of Electrical Engineering, Chongqing University, Chongqing, in 2019, where he is currently pursuing the Ph.D. degree.,His research interests include dielectric performance of insulating materials, and space charge characteristics of oil-paper insulation systems.(Based on document published on 9 May 2022).
Publications
5
Citations
8
Publications by Year
20172022
Co-Authors:
Show All Co-Authors (8)
Author's Published Works

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Charge Injection Suppression and Breakdown Strength Enhancement of Cellulose Pressboard via Al2O3/PTFE Functional Film Depositing

Yanqing Li;Jian Hao;Ruijin Liao;Wenyu Ye;Cong Liu;Lijun Yang

IEEE Transactions on Dielectrics and Electrical Insulation
Year: 2022 | Volume: 29, Issue: 3 | Journal Article |
Cited by: Papers (2)
Under dc voltage, space charge effect becomes a key issue to restrict the insulation performance of the polymer insulation. In this research, novel Al2O3/poly-tetra-fluoroethylene (PTFE) composite functional film is fabricated by magnetron sputtering on the insulation pressboard surface to suppress space charge accumulation and to improve breakdown strength. The depositing sequence for composite f...Show More

Charge Injection Suppression and Breakdown Strength Enhancement of Cellulose Pressboard via Al2O3/PTFE Functional Film Depositing

Yanqing Li;Jian Hao;Ruijin Liao;Wenyu Ye;Cong Liu;Lijun Yang

Year: 2022 | Volume: 29, Issue: 3 | Journal Article |

Physicochemical and Electrical Properties of the Insulation Pressboard Modified by Sputtering Al2O3 Nano-Structure Layer on Its Surface

Cong Liu;Jian Hao;Yanqing Li;Ruijin Liao;Shengsun Zheng

2018 IEEE 2nd International Conference on Dielectrics (ICD)
Year: 2018 | Conference Paper |
Space charge accumulation is a major problem in the development of insulating materials. The aim of this work is to suppress charge injection from electrode into cellulose insulating pressboard under DC field by Al2O3 nano-structure layer. The Al2O3 nano-structure layer was deposited by radio frequency (RF) magnetron sputtering under room temperature. Physicochemical and electrical properties of t...Show More

Physicochemical and Electrical Properties of the Insulation Pressboard Modified by Sputtering Al2O3 Nano-Structure Layer on Its Surface

Cong Liu;Jian Hao;Yanqing Li;Ruijin Liao;Shengsun Zheng

Year: 2018 | Conference Paper |

Effect of Different Particles on Breakdown and Conductivity Properties of Mineral Oil under Non-uniform DC Electric Field

Min Dan;Jian Hao;Wei Qin;Yanqing Li;Ruijin Liao;Lijun Yang

2018 IEEE 2nd International Conference on Dielectrics (ICD)
Year: 2018 | Conference Paper |
Cited by: Papers (6)
Mineral oil is widely used in transformers, whose security decides the safety and even lifetime of transformers. With the increase of the volume of high-voltage and largecapacity transformer, the quality of particle pollution source increases, which makes the influence of particle pollution on insulation performance more significant. This paper mainly focused on the breakdown and conductivity prop...Show More

Effect of Different Particles on Breakdown and Conductivity Properties of Mineral Oil under Non-uniform DC Electric Field

Min Dan;Jian Hao;Wei Qin;Yanqing Li;Ruijin Liao;Lijun Yang

Year: 2018 | Conference Paper |

A comparative study of the particle accumulation in natural ester and mineral oil under DC electric field

Jian Hao;Ruijin Liao;Yanqing Li;Min Dan;Lijun Yang

2017 IEEE 19th International Conference on Dielectric Liquids (ICDL)
Year: 2017 | Conference Paper |
The cellulose particles bridging phenomenon under the DC electric field needed to be analysed. This is useful for further understanding the insulation failure and guiding the structure design of transformer using natural ester in the future. The images of cellulose particles accumulation and leak current for contaminated mineral oil and natural ester were compared under different DC electrical fie...Show More

A comparative study of the particle accumulation in natural ester and mineral oil under DC electric field

Jian Hao;Ruijin Liao;Yanqing Li;Min Dan;Lijun Yang

Year: 2017 | Conference Paper |

A comparative study of the migration behaviors of cellulose particles in natural ester and mineral oil under DC electrical field

Yanqing Li;Jian Hao;Min Dan;Ruijin Liao;Lijun Yang

2017 1st International Conference on Electrical Materials and Power Equipment (ICEMPE)
Year: 2017 | Conference Paper |
Natural ester is considered to be a suitable substitute of mineral oil in transformer. Previously the bridging phenomenon in mineral oil has been studied. Due to the difference in physicochemical and dielectric properties between mineral oil and natural ester, the bridging phenomenon is also disparate. The migration behaviors of pressboard particle in contaminated mineral oil and natural ester und...Show More

A comparative study of the migration behaviors of cellulose particles in natural ester and mineral oil under DC electrical field

Yanqing Li;Jian Hao;Min Dan;Ruijin Liao;Lijun Yang

Year: 2017 | Conference Paper |

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