Guanning Wu was born in 1969, a professor at Southwest Jiaotong University. His major research interests include high voltage and insulation technology, pantograph arc, and electric contact. He was the winner of Cheung Kong Scholars Award Scheme and National Outstanding Youth Science Foundation, and the recipient of special allowances from the State Council. He was the Fellow of Institution of Engineering and Technology (IET), Senior Member of the Institute of Electrical and Electronics Engineers (IEEE), and Senior Member of China Railway Institute. He received the National Science and Technology Progress Award, the Sichuan Province Science and Technology Progress Award and the China Railway Society Science and Technology Award. He has published more than 100 SCI or EI indexed papers, 3 monographs and obtained 9 national invention patents.Guoqiang Gao received his Ph.D. degree from Southwest Jiaotong University in 2012. He is currently an associate professor at the School of Electrical Engineering, Southwest Jiaotong University. His research interests include pantograph-catenary arc (experiment and simulation), study and optimization for electromagnetic compatibility and overvoltage in high-speed train, lightning protection for high-speed railway, insulator flashover prevention and grounding design for high speed train. He is the IEEE Standard P2752 Chair and he received the Science and Technology Progress award of China railway society in 2012 and the Science and Technology Progress award of Sichuan Province in 2017. He has published 33 journal papers and 6 conference paper.

• Current Collection Mode of High Speed Train-Pantograph Catenary System.- Electrical Contacts of Pantograph Catenary System.- Friction and Wear with Electric Current of Pantograph Catenary System,- Pantograph-catenary Arc.- Electrical contact materials of Pantograph Catenary System.- Diagnosis and detection Service Properties of Pantograph Catenary System.

Guanning Wu was born in 1969, a professor at Southwest Jiaotong University. His major research interests include high voltage and insulation technology, pantograph arc, and electric contact. He was the winner of Cheung Kong Scholars Award Scheme and National Outstanding Youth Science Foundation, and the recipient of special allowances from the State Council. He was the Fellow of Institution of Engineering and Technology (IET), Senior Member of the Institute of Electrical and Electronics Engineers (IEEE), and Senior Member of China Railway Institute. He received the National Science and Technology Progress Award, the Sichuan Province Science and Technology Progress Award and the China Railway Society Science and Technology Award. He has published more than 100 SCI or EI indexed papers, 3 monographs and obtained 9 national invention patents.Guoqiang Gao received his Ph.D. degree from Southwest Jiaotong University in 2012. He is currently an associate professor at the School of Electrical Engineering, Southwest Jiaotong University. His research interests include pantograph-catenary arc (experiment and simulation), study and optimization for electromagnetic compatibility and overvoltage in high-speed train, lightning protection for high-speed railway, insulator flashover prevention and grounding design for high speed train. He is the IEEE Standard P2752 Chair and he received the Science and Technology Progress award of China railway society in 2012 and the Science and Technology Progress award of Sichuan Province in 2017. He has published 33 journal papers and 6 conference paper.

• Current Collection Mode of High Speed Train-Pantograph Catenary System.- Electrical Contacts of Pantograph Catenary System.- Friction and Wear with Electric Current of Pantograph Catenary System,- Pantograph-catenary Arc.- Electrical contact materials of Pantograph Catenary System.- Diagnosis and detection Service Properties of Pantograph Catenary System.

Guanning Wu was born in 1969, a professor at Southwest Jiaotong University. His major research interests include high voltage and insulation technology, pantograph arc, and electric contact. He was the winner of Cheung Kong Scholars Award Scheme and National Outstanding Youth Science Foundation, and the recipient of special allowances from the State Council. He was the Fellow of Institution of Engineering and Technology (IET), Senior Member of the Institute of Electrical and Electronics Engineers (IEEE), and Senior Member of China Railway Institute. He received the National Science and Technology Progress Award, the Sichuan Province Science and Technology Progress Award and the China Railway Society Science and Technology Award. He has published more than 100 SCI or EI indexed papers, 3 monographs and obtained 9 national invention patents.Guoqiang Gao received his Ph.D. degree from Southwest Jiaotong University in 2012. He is currently an associate professor at the School of Electrical Engineering, Southwest Jiaotong University. His research interests include pantograph-catenary arc (experiment and simulation), study and optimization for electromagnetic compatibility and overvoltage in high-speed train, lightning protection for high-speed railway, insulator flashover prevention and grounding design for high speed train. He is the IEEE Standard P2752 Chair and he received the Science and Technology Progress award of China railway society in 2012 and the Science and Technology Progress award of Sichuan Province in 2017. He has published 33 journal papers and 6 conference paper.

• Current Collection Mode of High Speed Train-Pantograph Catenary System.- Electrical Contacts of Pantograph Catenary System.- Friction and Wear with Electric Current of Pantograph Catenary System,- Pantograph-catenary Arc.- Electrical contact materials of Pantograph Catenary System.- Diagnosis and detection Service Properties of Pantograph Catenary System.