Results 21 to 30 of about 64,850 (165)

Electrical Tree Initiation Properties in Cross-Linked Polyethylene Under DC-Impulse Composite Voltages

IEEE Access, 2018
DC cables may be subjected to impulse overvoltage during operation, which may cause electrical tree inside the cable insulation. So, it is necessary to investigate the influence of impulse voltage on the insulation of dc cable.
Hechen Liu, Yanda Li, Yunpeng Liu, Mingjia Zhang, Xiaobin Xu, Aijing Liu   +5 more
doaj   +1 more source

Influence of Different Energy Supply Methods on Performance of Ablative Pulsed Plasma Thrusters

Frontiers in Energy Research, 2021
For a certain configuration of ablative pulsed plasma thruster, changing the initial energy is an effective way to optimize the performance of the thruster.
Rui Zhang, Rui Zhang, Wenxiong Xi, Wenxiong Xi, Qiang Huang   +4 more
doaj   +1 more source

Effect of Enhancement Material on the Performance of Ground Electrodes Under Impulse Conditions

IEEE Access
Among the factors that affect the soil resistivity is the chemical content in soil, where the ionic conduction is expectedly increased and the soil resistivity is reduced.
Usman Muhammad, Nurul Nadia Ahmad, Normiza Mohamad Nor, Fazlul Aman   +3 more
doaj   +1 more source

Comprehensive evaluation of corroded grounding electrodes considering the impulse characteristics

Frontiers in Materials, 2023
The grounding electrodes are buried in a harsh soil environment, which will cause corrosion. Corroded grounding electrodes directly affect the safe and stable operation of the power system.
Xuemeng Wang, Lan Xiong, Zhanlong Zhang, Yihua Dan, Jun Deng   +4 more
doaj   +1 more source

Dynamics Modeling and Characterization of Sunk Screw Connection Structure in Small Rockets

Aerospace, 2022
Bolted flange joints are widely used in engineering structures. Sunk screw connection structures commonly used in small rockets and missiles exhibit significant nonlinear characteristics when subjected to forces.
Xiaotian Zhang, Ruiqing Wang, Xiaogang Li, Chengyang Lu, Zhengkang Wang, Wenlong Wang   +5 more
doaj   +1 more source

Influences of impulse generators on the impulse characteristics of grounding systems

Bulletin of Electrical Engineering and Informatics
It is important to ensure the effectiveness of the experimental test set up and to accurately characterize grounding systems under high impulse conditions, the study on the effect of impulse generator is therefore needed. As with other experimental work, the test results may be influenced not only by the characteristics of the test load under study ...
Usman Muhammad, Fazlul Aman, Normiza Mohamad Nor, Nurul Nadia Ahmad, Miszaina Osman   +4 more
openaire   +1 more source

Investigations on the Performance of a New Grounding Device with Spike Rods under High Magnitude Current Conditions

Energies, 2019
In many publications, the characteristics of practical earthing systems were investigated under conditions involving fast-impulse currents of different magnitudes by field measurements.
Abdul Wali Abdul Ali, Nurul Nadia Ahmad, Normiza Mohamad Nor, Muhd Shahirad Reffin, Syarifah Amanina Syed Abdullah   +4 more
doaj   +1 more source

Performance Prediction of OWC Type Small Size Wave Power Device with Impulse Turbine

Journal of Fluid Science and Technology, 2008
This paper investigates a small size wave power device with an impulse turbine installed in the breakwater near Niigata Port, Japan. The device consists of an air chamber, a turbine, a generator and pressure-relief valves.
Masami SUZUKI, Manabu TAKAO, Eiji SATOH, Shuichi NAGATA, Kazutaka TOYOTA, Toshiaki SETOGUCHI   +5 more
doaj   +1 more source

Developmental Traits of Impulse Control Behavior in School Children under Controlled Attention, Motor Function, and Perception

Children, 2021
This research surveyed the characteristics of the developmental traits of impulse control behavior in children through parent-report questionnaires.
Hsin-Yung Chen, Ling-Fu Meng, Yawen Yu, Chen-Chi Chen, Li-Yu Hung, Shih-Che Lin, Huang-Ju Chi   +6 more
doaj   +1 more source

Application of Time-Difference-of-Arrival Localization Method in Impulse System Radar and the Prospect of Application of Impulse System Radar in the Internet of Things

IEEE Access, 2018
The impulse system radar is based on the generation, transmission, radiation, receiving, data collection, data processing, and imaging of impulse signals.
Longfei Dang, Hongchun Yang, Baohua Teng
doaj   +1 more source