Correction for Polarization Current Curve of Polymer Insulation Materials in Transformers Considering the Temperature and Moisture Effects

by Hanbo Zheng, Benhui Lai, Yiyi Zhang, Jiefeng Liu, Shichang Yang
Published 2020-01-01

A Molecular Dynamics Study of the Generation of Ethanol for Insulating Paper Pyrolysis

by Yiyi Zhang, Yi Li, Shizuo Li, Hanbo Zheng, Jiefeng Liu
Published 2020-01-01

Grey Relational Analysis for Insulation Condition Assessment of Power Transformers Based Upon Conventional Dielectric Response Measurement

by Jiefeng Liu, Hanbo Zheng, Yiyi Zhang, Hua Wei, Ruijin Liao
Published 2017-10-01

Applications of Fuzzy Multicriteria Decision Making to Complex Engineering Problems

by Hanbo Zheng, Yiyi Zhang, Junhui Zhao, Jiefeng Liu, Qi Zeng
Published 2018-01-01

Study on Quantitative Correlations between the Ageing Condition of Transformer Cellulose Insulation and the Large Time Constant Obtained from the Extended Debye Model

by Yiyi Zhang, Jiefeng Liu, Hanbo Zheng, Hua Wei, Ruijin Liao
Published 2017-11-01

A Novel Fault Diagnosis System on Polymer Insulation of Power Transformers Based on 3-stage GA–SA–SVM OFC Selection and ABC–SVM Classifier

by Xiaoge Huang, Yiyi Zhang, Jiefeng Liu, Hanbo Zheng, Ke Wang
Published 2018-10-01

Evolution of Virtual Water Transfers in China’s Provincial Grids and Its Driving Analysis

by Yiyi Zhang, Shengren Hou, Jiefeng Liu, Hanbo Zheng, Jiaqi Wang, Chaohai Zhang
Published 2020-01-01

A Transformer Fault Diagnosis Model Using an Optimal Hybrid Dissolved Gas Analysis Features Subset with Improved Social Group Optimization-Support Vector Machine Classifier

by Jiake Fang, Hanbo Zheng, Jiefeng Liu, Junhui Zhao, Yiyi Zhang, Ke Wang
Published 2018-07-01

Effectiveness Analysis and Temperature Effect Mechanism on Chemical and Electrical-Based Transformer Insulation Diagnostic Parameters Obtained from PDC Data

by Hanbo Zheng, Jiefeng Liu, Yiyi Zhang, Yijie Ma, Yang Shen, Xiaochen Zhen, Zilai Chen
Published 2018-01-01

Microscopic Mechanism of Cellulose Bond Breaking and Bonding Based on Molecular Dynamics Simulation

by Qing Zhou, Hanbo Zheng, Mengzhao Zhu, Yiyi Zhang, Jiefeng Liu, Bilian Liao, Chaohai Zhang
Published 2019-01-01

A Novel Universal Approach for Temperature Correction on Frequency Domain Spectroscopy Curve of Transformer Polymer Insulation

by Jiefeng Liu, Xianhao Fan, Yiyi Zhang, Hanbo Zheng, Huilu Yao, Chaohai Zhang, Yubo Zhang, Dajian Li
Published 2019-07-01

Comparative Investigation on the Performance of Modified System Poles and Traditional System Poles Obtained from PDC Data for Diagnosing the Ageing Condition of Transformer Polymer...

by Jiefeng Liu, Hanbo Zheng, Yiyi Zhang, Tianchun Zhou, Jie Zhao, Jiaqi Li, Jingqing Liu, Jichang Li
Published 2018-02-01

A Fault Diagnosis Model of Power Transformers Based on Dissolved Gas Analysis Features Selection and Improved Krill Herd Algorithm Optimized Support Vector Machine

by Yiyi Zhang, Xin Li, Hanbo Zheng, Huilu Yao, Jiefeng Liu, Chaohai Zhang, Hongbo Peng, Jian Jiao
Published 2019-01-01

Optimization of Flue Gas Desulphurization Technologies Based on Cloud Model and Kernel Vector Space Model

by Yiyi Zhang, Yang Li, Jiefeng Liu, Hanbo Zheng, Chaohai Zhang, Ruqi Li, Haoyi Su, Junhui Zhao
Published 2019-01-01

A Novel Maintenance Decision Making Model of Power Transformers Based on Reliability and Economy Assessment

by Manling Dong, Hanbo Zheng, Yiyi Zhang, Kuikui Shi, Shuai Yao, Xiaokuo Kou, Guojun Ding, Lei Guo
Published 2019-01-01

Dissolved Gases Forecasting Based on Wavelet Least Squares Support Vector Regression and Imperialist Competition Algorithm for Assessing Incipient Faults of Transformer Polymer Ins...

by Jiefeng Liu, Hanbo Zheng, Yiyi Zhang, Xin Li, Jiake Fang, Yang Liu, Changyi Liao, Yuquan Li, Junhui Zhao
Published 2019-01-01

Optimization of Ethanol Detection by Automatic Headspace Method for Cellulose Insulation Aging of Oil-immersed Transformers

by Hanbo Zheng, Chuansheng Zhang, Yiyi Zhang, Jiefeng Liu, Enze Zhang, Zhen Shi, Guangqi Shao, Kuikui Shi, Jing Guo, Chaohai Zhang
Published 2020-07-01