Results 11 to 20 of about 47,401 (167)

Investigation of impact of DC component on breakdown characteristics for different electric fields under composite AC & DC voltage

High Voltage, 2022
The valve side of the converter in the high‐voltage direct current is subjected to mixed voltages such as composite AC & DC voltage. In this study, the effects of the homogeneity of electric field on breakdown voltage were investigated for different ±DC ...
Mehmet Murat Ispirli, Özcan Kalenderli, Florian Seifert, Michael Rock, Bülent Oral   +4 more
doaj   +1 more source

Experimental Analysis of Breakdown With Nanosecond Pulses for Spark-Ignition Engines

IEEE Access, 2021
The influence of pulse rise rate and pulse duration for ignition purposes in engines is investigated. A constant volume cell is used to characterize the breakdown voltage under nanosecond pulsed voltages with automotive sparkplugs having electrode gaps ...
Michelangelo Balmelli, Raphael Farber, Laura Merotto, Patrik Soltic, Davide Bleiner, Christian M. Franck, Jurgen Biela   +6 more
doaj   +1 more source

Investigation of the Dynamic Breakdown of a Dielectric Elastomer Actuator Under Cyclic Voltage Excitation

Frontiers in Robotics and AI, 2021
The dielectric elastomer (DE) is a new kind of functional polymer that can be used as a smart actuator due to the large deformation induced by voltage excitation.
Xuejing Liu, Yu Xing, Wenjie Sun, Zhouqiang Zhang, Shengqi Guan, Bo Li   +5 more
doaj   +1 more source

The Simulation of Dielectric Barrier Discharge for Breakdown Voltage in Starch Modification

Applied Sciences, 2023
This paper presents the simulation results for dielectric barrier discharge (DBD) at atmospheric pressure in argon gas for different relative permittivity, granule shape, thickness layer, and granule diameter measurements for starch on the breakdown ...
Pitchasak Chankuson, Paramee Chumsri, Apinun Plodkaew   +2 more
doaj   +1 more source

Study on breakdown characteristics of nano-modified transformer oil at low temperature

Energy Reports, 2023
Studying the breakdown characteristics of nano-modified transformer oil at low temperature is helpful to improve the breakdown voltage of transformer oil at low temperature.
Chunxu Qin, Yunpeng Xue, Jiafeng Shang, Chuanqiang Che, Liqiang Liu   +4 more
doaj   +1 more source

Experimental Investigation of the Breakdown Voltage of CO2, N2, and SF6 Gases, and CO2–SF6 and N2–SF6 Mixtures under Different Voltage Waveforms

Energies, 2018
This paper is devoted to a comparison study of the breakdown voltage of CO2, N2, and SF6 gases, and CO2–SF6 and N2–SF6 mixtures under different voltage waveforms, namely AC, DC, and lightning impulse voltages, in point–plane and sphere–sphere electrode ...
Abderrahmane Beroual, Usama Khaled, Mamadou-Lamine Coulibaly   +2 more
doaj   +1 more source

Breakdown Voltage and Its Influencing Factors of Thermally Aged Oil-Impregnated Paper at Pulsating DC Voltage

Energies, 2017
Breakdown strength is an important electrical property of insulating paper. Oil-impregnated paper of various aging states was prepared. Its breakdown voltage was then measured at pulsating direct current (DC) voltage with various ripple factors, and ...
Jing Zhang, Feipeng Wang, Jian Li, Hehuan Ran, Xudong Li, Qiang Fu   +5 more
doaj   +1 more source

Effect of transformer oil color on breakdown voltage [PDF]

E3S Web of Conferences
Insulation in high voltage applications is crucial, especially transformer oil. Transformer oil plays a key role in electrical power systems as an insulating medium.
Zein Hermagasantos, Wachjoe Conny K., Wuryanti Sri, Iriani Purwinda, Widarti Sri, Muldiani Ratu Fenny, Saodah Siti, Mursanto Wahyu Budi, Ariadi Yudhi   +8 more
doaj   +1 more source

Electrical properties of palm oil and rice bran oil under AC stress for transformer application

Alexandria Engineering Journal, 2022
This paper presents the investigation on the dielectric properties (dissipation factor, relative permittivity, and resistivity) and AC breakdown voltage behaviour of Palm Oil (PO) and Rice Bran Oil (RBO).
M.H.A. Hamid, M.T. Ishak, N.S. Suhaimi, J. Adnan, N.I. Hashim, M. Ariffin, N.I.A. Katim, Rahisham Abd Rahman   +7 more
doaj   +1 more source

Breakdown characteristics of combined air gaps under lightning impulse

AIP Advances, 2022
With the increase of both voltage level and the transmission capacity, more attention has been paid to the external insulation of transmission lines.
Shaocheng Wu, Linong Wang, Jiachen Gao, Cheng Xie, Lei Liu, Tingting Wang, Enwen Li   +6 more
doaj   +1 more source