Results 201 to 210 of about 87,851 (251)

Investigation about the effect of the voltage profile on RPDIV and time to failure for insulation materials subjected to impulsive stress conditions

Electrical Insulation Conference, 2022
When studying the performances of the insulation systems subjected to impulsive stress conditions, the Repetitive Partial Discharge Inception Voltage (RPDIV) and the Time-To-Failure (TTF) are key parameters for the evaluation of the electric strength and
Andrea L. Caprara, G. Ciotti
semanticscholar   +1 more source

Experimental Study on Re‐ignition Process in CO2/C2F6 Gas Mixture Flow after Application of Quasi‐Transient Recovery Voltage

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING, 2021
This paper reports dielectric recovery properties of residual CO2/C2F6 gas arcs in a nozzle under free recovery condition, which was realized by operation of insulated gate bipolar transistors (IGBTs) connected in parallel to arcing electrodes.
Fumitoshi Demura, Y. Nakano, Yasunori Tanaka, T. Ishijima, R. Kikuchi, A. Kumada, Y. Inada   +6 more
semanticscholar   +1 more source

Breakdown Characteristics of Streaming Lubricating Oil toward Higher Power Density Motors for Electric Powered Aircraft

International Conference on Development and Learning
The authors aim to apply a lubricating oil used for cooling motor windings to an insulating material to improve the dielectric strength of motors for electric powered aircraft.
Naoki Hayakawa, Naoki Nakazawa, Shimpei Noguchi, Hiroki Kojima, Nobuo Aruga, Kiyoshi Utatsu, Shunya Watanabe   +6 more
semanticscholar   +1 more source

Influence of Square Wave Frequency on Breakdown Voltage of Silicone Gel in Comparison with DC and AC Conditions and the Associated Mechanism

Conference on Electrical Insulation and Dielectric Phenomena
The escalating adoption of wide-bandgap (WBG) semiconductor devices in power electronics has led to the generation of high-frequency, high-slew-rate voltage waveforms, which exert significant stress on encapsulating materials such as silicone gel (SG ...
Pujan Adhikari, Mona Ghassemi
semanticscholar   +1 more source

Research on Breaking Conditioning Method of Vacuum Interrupter Based on Multiple Re-Strikes

International Conference on Electric Power Equipment – Switching Technology
The breaking conditioning of the vacuum interrupter has a certain effect on improving the withstand voltage level of the vacuum interrupter and the post-arc insulation recovery, which is crucial for successfully switching capacitor banks in 12kV vacuum ...
Qingjia Kong, Zhibing Li, Ran Zhang, Dengkui Zhang, Lifan Zhang, Yongxing Wang, Enyuan Dong   +6 more
semanticscholar   +1 more source

Experimental and Simulation Research on Delay-Time Breaking Property of DC Vacuum Circuit Breaker (VCB) with Multi-breaks

International Symposium on Discharges and Electrical Insulation in Vacuum, 2018
The delay-time breaking property of DC vacuum circuit breaker (VCB) with multi-breaks, based on the experimental platform and the simulation model using combination of line parameter with continuous transition model were analyzed, and the maximum delay ...
Chongyang Huang, Xiaoming Liu, Longnv Li
semanticscholar   +1 more source

Experimental Investigation of the Dielectric Recovery Strength between the Separating Contacts of Vacuum Circuit Breakers

IEEE Power Engineering Review, 1989
A. Roguski
semanticscholar   +1 more source

Depletion rate of oxidation inhibitor in hydroprocessed mineral insulating oil and naphthenic oils

IEEE International Conference on Condition Monitoring and Diagnosis, 2012
K. Baburao, D. Shukla, N. Nanavati
semanticscholar   +1 more source

Study the effect of nano SiO2 on dielectric strength property of zirconia

, 2018
A. Salih, K. Salim, M. Hassooni, A. Shihab, H. M. A. Jabbar, I. Abdulameer, S. Mahdi, Hanan Kadhem   +7 more
semanticscholar   +1 more source

Dielectric simulation of capacitive switching behavior for vacuum circuit breaker

IEEE transactions on dielectrics and electrical insulation, 2017
M. Kurrat
semanticscholar   +1 more source