Results 51 to 60 of about 10,217 (226)
High Voltage, EarlyView.ABSTRACT With increasing demands for fire safety and environmental friendliness, retrofilling transformers with alternative insulating liquids has become a growing trend. However, retrofilling power transformers remains uncertain, as more residual mineral oil compromises K‐class flame retardancy, and its impact on environmental performance has yet to ...
Zhenfu Tang +5 more
wiley +1 more source
Efficient Control of IGBT Transistor as Part of Overvoltage Protection
, 2017 The paper analyzes the phenomena of appearance of overvoltage during the switching-off of the IGBT transistor which arecaused by the presence of parasitic inductance in the switching circuit.
Jovančić, Nenad +2 more
core +2 more sources
High Voltage, EarlyView.ABSTRACT Currently, limited research exists on the structural response and protection methods of the converter transformer tank for ± 800 kV ultra‐high voltage direct current transmission project to high energy arc faults. This research investigates the dynamic response and the vulnerable areas of the ultra‐high voltage converter transformer under the ...
Ke Wang +5 more
wiley +1 more source
OVERVOLTAGE PROTECTION IN ELECTRIC INSTALLATIONS [PDF]
, 2010 V diplomski nalogi sem obdelal osnovne probleme prenapetostne zaščite v električnih napeljavah. Prenapetostne zaščite sem obdelal z novimi predpisanimi standardi, ki opisujejo pravilno načrtovanje prenapetostnih zaščit.
Resnik, Rok
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High Voltage, EarlyView.ABSTRACT The emergence of (ultra)wide bandgap ((U)WBG)‐based devices has significantly enhanced performance in high‐frequency switching applications, enabling breakthroughs in electric transportation, aerospace, and renewable energy systems. However, it also presents considerable challenges to insulation systems, such as electric motor winding ...
Easir Arafat +3 more
wiley +1 more source
Overvoltage protection network [PDF]
, 1974 Electrical equipment to be protected from overvoltage is connected with a possible source of overvoltage via an input conductor. A fuse is connected in series with the input conductor.
Cambra, J. M.
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Hydrogen overvoltage on titanium [PDF]
, 1954 The hydrogen overvoltage has been defined as the difference between the potential of the working electrode (cathode) and the theoretical reversible value for the same solution. This definition brings out the difficulty involved in the measurement of the
Shih, Sheng-Tai
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Comparative study of overvoltage reduction methods in inverterdriven motors.
, 2023 O acionamento de motores elétricos na indústria é realizado predominantemente por conversores de frequências. A conexão entre conversores e motores é feita por cabos elétricos. Esses cabos propagam os pulsos emitidos pelos conversores até os terminais de
Santos, Daniel de Paula dos
core +1 more source
Overvoltage protection in industrial power distribution
, 2017 Sähköverkkojen ylijännitteet aiheuttavat laitevahinkoja ja keskeytyskustannuksia. Kustannuksien vähentämiseksi sähköverkon osia suojataan ylijännitesuojilla, joilla pyritään minimoimaan verkon komponentteihin kohdistuvat vahingot.
Paju, Jussi-Mikko
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Mechanism Analysis and Simulation Study of Closing Overvoltage Fault in EMU Circuit Breaker
Chengshi guidao jiaotong yanjiuObjective The overvoltage caused by circuit breaker closing will aggravate the insulation aging of high voltage equipment when EMU (electric multiple units)passes neutral section.
ZHANG Mingrui +2 more
doaj +1 more source