Results 1 to 10 of about 107,071 (168)
Controlling magnetic inductance by air-gap configuration in power electronics applications [PDF]
Archives of Electrical Engineering, 2023 Gapped magnetic components are inherent to applications where conversion of power would force magnetic flux density beyond the saturation point of magnetic materials.
Rafal Kasikowski
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IET Science, Measurement & Technology, 2023 The diffusional process involving elastic collisions between charge carriers and neutrals has long been the predominant candidate for post‐injection momentum loss in the far wider drift region outside confined DC corona discharges in gases.
Francesco Lattarulo
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High Voltage, 2020 Saturable reactor insulation is currently stressed by an exponential decay pulse voltage under normal operating conditions. The partial discharge (PD) characteristics of epoxy resin under an exponential decay pulse voltage were studied here and were ...
Lu Gui +5 more
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Optimal design of q‐axis field winding structure of dual‐excited synchronous condenser
IET Electric Power Applications, 2023 The dual‐excited synchronous condenser (DESC) has two field windings whose axes are located at direct and quadrature axes respectively. The DESC has more capacity of absorbing reactive power than that of the traditional synchronous condenser (TSC ...
Guorui Xu +3 more
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Dynamic analysis of Halbach coaxial magnetic gears based on magnetic equivalent circuit modelling
IET Circuits, Devices and Systems, 2021 Halbach permanent magnet arrays (HPMAs) are an attractive configuration that can be applied in PM electric machines such as magnetic gears. These arrays have some merits, namely near‐sinusoidal distribution of flux density along air gap, low torque ...
A. Beirami +3 more
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Development of a ±660 kV DC transmission line arrester
The Journal of Engineering, 2019 In order to improve the lightning withstand level of ±660 kV DC transmission line in China, the authors had begun to develop the ±660 kV DC line arrester since 2014, which was developed successfully in 2016.
Shanqiang Gu +6 more
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IET Energy Systems Integration, 2021 This article studies and investigate the magnetic characteristics of a surface mounted permanent magnet (SPM)‐type brushless direct current (BLDC) motor when subjected to demagnetisation fault conditions.
Adil Usman +2 more
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IET Electric Power Applications, 2021 In this study, the rotor loss as well as the temperature variations due to the static air‐gap eccentricity (SAGE) and the rotor inter‐turn short circuit (RISC) in synchronous generators is presented.
Yu‐Ling He +8 more
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The Journal of Engineering, 2019 AC system which ±800 kV converter station access to commonly used 500 kV voltage level. With the construction of the Northwest Energy Base, a large number of ultra-high-voltage direct current (UHVDC) project are constructing.
Yujian Ding +3 more
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Numerical Modelling for the Effect of Metal-mould Air Gaps on Shell Thickness in Horizontal Continuous Casting of Cast Iron [PDF]
Archives of Foundry Engineering, 2023 This paper presents a numerical model for the horizontal continuous casting of cast iron (HCCCI). A computational three-dimensional (3D) steady-state, coupled with fluid flow and heat transfer simulation model was developed and validated against ...
A. Chawla, N.S. Tiedje, J. Spangenberg
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