The Effect of DC Voltage Pre-Stress on the Breakdown Voltage of Air under Composite DC and LI Voltage and Test Circuit: Design and Application [PDF]
, 2022 The use of HVDC systems is increasing in number due to technological innovations, increasing power capacity and increasing customer demand. The characteristics of insulation systems under composite DC and LI voltage must be examined and clarified.
Ispirli, Mehmet Murat +9 more
core +1 more source
Capacitive Power Transfer System with Reduced Voltage Stress and Sensitivity
Applied Sciences, 2018 This paper introduces a DC–DC buck converter on the secondary side of the capacitive power transfer system to reduce the voltage and electric field across the interface, and to reduce the circuit Q, and thus the system sensitivity.
Tarek M. Mostafa +4 more
doaj +1 more source
Efficiency optimisation of an interleaved high step-up converter
The Journal of Engineering, 2019 This study presents the performance comparison of two scenarios to obtain high voltage gain. A high step-up converter (HSU) and a cascaded boost converter are chosen for this study.
Bilal Ahmad +2 more
doaj +1 more source
A New High-Gain DC-DC Converter with Continuous Input Current for DC Microgrid Applications
Energies, 2021 The growth of renewable energy in the last two decades has led to the development of new power electronic converters. The DC microgrid can operate in standalone mode, or it can be grid-connected. A DC microgrid consists of various distributed generation (
Javed Ahmad +8 more
doaj +1 more source
The impact of repetitive unclamped inductive switching on the electrical parameters of low-voltage trench power nMOSFETs [PDF]
, 2010 The impact of hot-carrier injection (HCI) due to repetitive unclamped inductive switching (UIS) on the electrical performance of low-voltage trench power n-type MOSFETs (nMOSFETs) is assessed.
Khan, Khalid Saeed +15 more
core +1 more source
ETRI Journal, 2022 As for the insufficient nature of the fossil fuel resources, the renewable energies as alternative fuels are imperative and highly heeded. To deliver the required electric power to the industrial and domestic consumers from DC renewable energy sources ...
Ebrahim Salary, Ali Darvish Falehi
doaj +1 more source
The Journal of Engineering, 2019 Modular multi-level converter (MMC) with press-packing IGBT devices is the popular and key equipment of VSC-HVDC system, its reliability is directly related to the equipment safe operation.
Li Hui +6 more
doaj +1 more source
Electrical Stress on the Medium Voltage Medium Frequency Transformer
Energies, 2021 This paper proposes an equivalent circuit model to obtain the transient electrical stress quantitatively in medium voltage medium frequency transformers in modern power electronics. To verify this model, transient simulation is performed on a 1.5 kV/1 kHz transformer, revealing voltage overshoot quantitatively between turns and layers of the ...
Zheng Changjiang +4 more
openaire +2 more sources
Virtual prototype and GaN HEMT based high frequency LLC converter design
The Journal of Engineering, 2019 Gallium nitride (GaN) high-electron-mobility transistor (HEMT) with the merits of the fast switch speed, low on resistance and low switch loss is applicable to high-frequency LLC converters.
Long Xiao +4 more
doaj +1 more source
Electrical Aging of the Insulation of Low Voltage Machines: Model definition and test with the Design of Experiments [PDF]
, 2013 The aim of this paper is to present a method for modeling the lifespan of insulation materials in a partial discharge regime. Based on the design of experiments, it has many advantages: it reduces the number of time-consuming experiments, increases the ...
Nadine Lahoud +7 more
core +1 more source