Results 1 to 10 of about 5,029 (166)
Design optimisation for distance between additional and tap winding in high-voltage transformers
High Voltage, 2020 The transformer is one of the main components in the power network and transformer windings are one of the most expensive elements in the power transformer.
Kamran Dawood +3 more
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Fault Location of Generator Stator with Single-Phase High-Resistance Grounding Fault Based on Signal Injection [PDF]
SensorsThis paper proposes a novel method for locating single-phase grounding faults in generator stator windings with high resistance, which are typically challenging to locate due to weak fault characteristics.
Binghui Lei +7 more
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Comparison of concentrated winding topologies considering transient voltages in the winding system of inverter-driven low-voltage machines [PDF]
Archives of Electrical Engineering, 2022 To reduce the losses of the power electronic inverter, the voltage slew rate (d u/d t) of the electric motors supplying voltage is increasing. As steep voltage slopes excite high frequencies in the megahertz range, transient phenomena in the winding of ...
Florian Pauli +3 more
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Efficient Zero-Sequence Impedance Measurement in Autotransformers Using Low-Voltage Excitation
Applied Sciences, 2023 In accordance with the IEEE standard, the zero-sequence impedance test of transformers necessitates an open or short circuit test on the high-voltage side winding.
Min Zhang +6 more
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IEEE Open Journal of the Industrial Electronics Society, 2021 Evaluating the high-frequency winding loss accurately is crucial for the design of modern high-frequency power converters. This paper proposes a novel experimental method to accurately measure the in-situ inductor winding loss, which separates out the ...
Navid Rasekh, Jun Wang, Xibo Yuan
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Alexandria Engineering Journal, 2022 Transformers are one of the most important elements of electrical power systems. In several conditions, the same transformer is connected to many different networks with different voltage levels and the replacement of the transformer is one of the most ...
Kamran Dawood +2 more
doaj +1 more source
A comprehensive design approach for a three‐winding planar transformer
IET Power Electronics, 2022 In this paper, a new three‐winding planar transformer design with the integrated leakage inductor is proposed for a triple‐active‐bridge converter. It enables two output voltage levels: a high voltage (HV) output port and a low voltage (LV) output port ...
Shenli Zou +3 more
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Energy Reports, 2022 Improving the efficiency of fracturing pump drive motors is key to improving the performance of fracturing equipment. For this purpose, this paper investigates the losses and efficiency of five-phase fracturing pump drive motors with different stator ...
Shuting Fan, Dawei Meng, Mengmeng Ai
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IEEE Open Journal of Power Electronics, 2021 Medium-voltage (e.g., 10 kV rated) silicon carbide (SiC) devices have great potentials in medium-voltage variable speed drives. But their high switching dv/dt can increase the voltage stress on motor windings and cause partial discharges.
Boxue Hu +8 more
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A High Voltage Isolated Pulse Generator using Magnetic Pulse Compression and Resonant Charging Techniques for Dielectric Barrier Discharge Applications [PDF]
Journal of Electrical and Computer Engineering Innovations, 2021 Background and Objectives: Dielectric Barrier discharge (DBD) is a suitable method to generating Non-thermal plasma at atmospheric pressure, which utilizes Pulsed power supplies as exciters.
A. Nejadmalayeri +3 more
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