Results 11 to 20 of about 622,632 (303)

Adaptive Leakage Protection for Low-Voltage Distribution Systems Based on SSA-BP Neural Network

open access: yesApplied Sciences, 2023
The fluctuation of normal leakage current has a great influence on the fixed-threshold leakage protector. To address this issue, this paper proposes an adaptive leakage protection method based on the sparrow search algorithm (SSA)-backpropagation (BP ...
Zhenguo Liu, Hai Yu, Wei Jin
doaj   +1 more source

Filtered Leakage Current Measurement for Various Loads

open access: yesInternational Journal of Technology, 2021
Thepurpose of this study was to determine the link between induction voltages from various electrical loads. We used a residual current device (RCD) circuit that operates with a capacitor as a DC voltage reading tool.
Erwin Sutanto   +3 more
doaj   +1 more source

Dislocation-related leakage-current paths of 4H silicon carbide

open access: yesFrontiers in Materials, 2023
Improving the quality of 4H silicon carbide (4H-SiC) epitaxial layers to reduce the leakage current of 4H-SiC based high-power devices is a long-standing issue in the development of 4H-SiC homoepitaxy.
Wandong Gao   +13 more
doaj   +1 more source

Electrical Line Fault Detection and Line Cut-Off Equipment and Control

open access: yesJournal of Control Science and Engineering, 2022
In order to locate the leakage fault location of low-voltage electrical lines, cut off the power supply of electrical lines, and ensure the safety and reliability of the power supply network, this paper proposes an electrical line leakage fault detection
Yakun Fu
doaj   +1 more source

Relating Agulhas leakage to the Agulhas Current retroflection location [PDF]

open access: yes, 2009
The relation between the Agulhas Current retroflection location and the magnitude of Agulhas leakage, the transport of water from the Indian to the Atlantic Ocean, is investigated in a high-resolution numerical ocean model.
Barron, C.N.   +5 more
core   +2 more sources

Mapping Relation of Leakage Currents of Polluted Insulators and Discharge Arc Area

open access: yesFrontiers in Energy Research, 2021
A fundamental parameter of polluted insulator online monitoring is the leakage current, which has already been shown to be well-related to the pollution discharge of insulators.
Chunhua Fang   +7 more
doaj   +1 more source

Leakage Current Response Mechanism of Insulator String With Ambient Humidity on Days Without Rain

open access: yesIEEE Access, 2019
The leakage current, which is influenced by the operating voltage, the surface contamination, and environmental variables, is one of the most basic online monitoring parameters for the surface contamination status of insulators.
Jianguo Wang   +5 more
doaj   +1 more source

A Novel Transformerless Current Source Inverter for Leakage Current Reduction

open access: yesIEEE Access, 2019
High-frequency common mode voltage elimination is one of the most important issues for transformerless PV grid-connected inverters. Many interesting single-phase inverter topologies have been reported to reduce the common mode voltage.
Xiaoqiang Guo   +4 more
doaj   +1 more source

Anomalous change in leakage and displacement currents after electrical poling on lead-free ferroelectric ceramics [PDF]

open access: yes, 2015
We report the polarization, displacement current and leakage current behavior of a trivalent nonpolar cation Al cation substituted lead free ferroelectric NBT-BT electroceramics with tetragonal phase and P4mm space group symmetry.
Ashok Kumar   +7 more
core   +2 more sources

A New Single-Phase Transformerless Current Source Inverter for Leakage Current Reduction

open access: yesEnergies, 2018
A new single-phase transformerless current source inverter is proposed in this paper. The proposed inverter can achieve leakage current reduction, which is crucial for the conventional current source inverter.
Xiaoqiang Guo   +3 more
doaj   +1 more source

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