Results 11 to 20 of about 22,739,092 (242)

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

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   +3 more sources

Study on the Electric Field Distribution Characteristics of 66 kV Dry-Type Transformer Based on Functional Graded Material (FGM) Treatment

Energies
Functional graded materials (FGMs) have been successfully applied for improving the insulation performance of insulators, yet there is currently no relevant literature on their application in dry-type transformers.
Xinhan Qiao, Zishang Zhu, Yuchang Zhang, Le Yu, Dongdong Zhang, Jianwen Zhang, Xinxi Di, Yijiao Wang, Wengtian Zeng   +8 more
doaj   +2 more sources

Combined effect of electric field and surface modification on pool boiling of R-123 [PDF]

, 2012
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The effect of surface modification and high intensity electric field (uniform and non – uniform) acting separately or in combination on pool boiling of R ...
Ahmad, Syed Waqas
core   +8 more sources

Intrinsic, multiplexable sensors for electric field strength using structural slow light in phase-shifted fibre Bragg gratings [PDF]

, 2012
In this paper we demonstrate through simulation the potential for phase-shifted fibre Bragg gratings incorporating structural slow light to enable intrinsic reflection-mode point sensors for electric field or voltage.
Philip Orr, Niewczas, Pawel, Paweł Niewczas, Orr, Philip   +3 more
core   +3 more sources

EFFECT OF ALUMINUM FOILS NUMBER AND ITS LENGTH IN IMPROVEMENT OF ELECTRIC FIELD DISTRIBUTION OF HIGH VOLTAGE CONDENSER BUSHING

Journal of Engineering and Sustainable Development, 2021
High voltage condenser bushing is one of the important component that is widely used in the high voltage system. At high voltage levels more than 52kV the distribution of electric field in condenser bushing is irregular between the lead conductor and ...
Zahraa G. Mustafa, Kassim R. Hameed
doaj   +3 more sources

Study of variants of pre-sowing preparation of melon seeds in high voltage electric fields [PDF]

BIO Web of Conferences
The research was conducted to study the influence of electrophysical effects on melon seeds and their development, as well as to identify the most effective variant of pre-sowing stimulation and treatment mode. As an agro-technological task, we evaluated
Daus Yulia V., Romaniuk Nikolai N., Eviev Valery A., Yudaev Igor V., Badrudinova Amina N.   +4 more
doaj   +1 more source

Effect of fouling resistance in heat exchanger and the crystal form of CaCO3 in hard circulating cooling water with electrostatic field and alternating current electric field

Water Science and Technology, 2021
The effect of high voltage electrostatic field and high voltage alternating current electric field on the heat exchanger surface fouling under the conditions of hard water was investigated.
Jing Xu, Ju-Dong Zhao, Yun Jia, Ting Li, Shuai-Bing Yang, Zhi-Hao Zhang   +5 more
doaj   +1 more source

Numerical simulation study of rock breaking mechanism by high voltage electric pulse

矿业科学学报, 2023
High-voltage electric pulse(HVEP)drilling has become a new and efficient rock breaking method, which is also the research focus in the field of drilling speed increase.
Liu Weiji, Zhang Youjian, Zhu Xiaohua, Feng Wenrong   +3 more
doaj   +1 more source

Review of the Dynamics of Coalescence and Demulsification by High-Voltage Pulsed Electric Fields

International Journal of Chemical Engineering, 2016
The coalescence of droplets in oil can be implemented rapidly by high-voltage pulse electric field, which is an effective demulsification dehydration technological method.
Ye Peng, Tao Liu, Haifeng Gong, Xianming Zhang   +3 more
doaj   +1 more source

Pre-sowing stimulation of cereal seeds in high voltage electric field [PDF]

BIO Web of Conferences
The main challenge of modern land management is the need to increase the yield of cultivated crops, while maintaining quality, minimising total energy inputs into cultivation and minimising the negative impact on the environment.
Yudaev Igor V., Daus Yulia V., Eviev Valery A., Soumyanova Elena V., Goldvarg Tatiana B.   +4 more
doaj   +1 more source