Computation of transient electromagnetic fields due to switching in high voltage substations [PDF]
, 2010 Switching operations of circuit breakers and disconnect switches radiate transient electromagnetic fields within high-voltage substations. The generated fields may interfere and disrupt normal operations of electronic equipment.
Siew, W.H., Musa, B.U., Judd, M.D.
core +4 more sources
Zero-Voltage-Switching High-Step-Down Buck Converter With Continuous Output Current [PDF]
, 2023 This paper proposes a high step-down DC-DC converter with a continuous output current. In order to obtain high efficiency, the proposed converter topology ensures zero voltage switching of the MOSFETs and zero current switching of the diodes.
Montazerolghaem, Reza +7 more
core +1 more source
Zero Voltage Switching Converters [PDF]
, 2021 In this paper zero voltage switching converters are investigated. The investigation starts by discussing the RCD charge-discharge snubber. The concept of resonant and qua si-resonant DC link converters is discussed.
Prof. Gaurav A. Bongale +2 more
core +2 more sources
A practical approach to switching-loss reduction in a large-capacity static VAr compensator based on voltage-source inverters [PDF]
, 2000 This paper presents a simple method for reduction of switching and snubbing losses in a large-capacity static VAr compensator (SVC) consisting of multiple three-phase voltage-source square-wave inverters.
Fujita, Hideaki +2 more
core +1 more source
An Unbalanced Capacitor Voltage Buck Converter With Wide Soft Switching Range [PDF]
, 2023 DC–DC converters using soft switching technology have gained popularity in several industrial applications. Nevertheless, a wider soft switching range and a simpler structure are the holy grail for these converters.
Ahmed, Md Rishad +2 more
core +1 more source
Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]
, 2010 An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G. +9 more
core +1 more source
Accurate Prediction of Incomplete Zero-Voltage Switching Dynamics and Losses [PDF]
, 2023 The switching losses occurring between full soft-switching and hard-switching are described inadequately, and previous attempts of quantifying incomplete zero-voltage switching losses are topology specific and not applicable for any general half-bridge ...
Jørgensen, Asger Bjørn; id_orcid +3 more
core +1 more source
DC-DC High Voltage Gain Switched Capacitor Converter With Multilevel Output Voltage and Zero-Voltage Switching [PDF]
IEEE Access, 2021 This paper presents the concept and results of a novel resonant DC-DC converter which achieves high voltage gain at a low number of utilized switches, low voltage stress on transistors, ZVS and ZCS operation, high efficiency and variable voltage gain.
Szymon Folmer, Robert Stala
openaire +2 more sources
The net zero mass loss phenomenon on opening switching contacts with AC loading [PDF]
, 1999 Studies are conducted on silver metal oxide contacts on a purposed built apparatus to investigate the extent of contact erosion under opening (break) operations.
J.W. McBride +5 more
core +1 more source
A New Asymmetrical Current-fed Converter with Voltage Lifting
Advances in Electrical and Computer Engineering, 2011 This paper presents a new zero voltage switching current-fed DC-DC converter with high voltage gain. In this converter all switches (main and auxiliary) turn on under zero voltage switching and turn off under almost zero voltage switching due to snubber
DELSHAD, M.
doaj +1 more source