Cost-Effective and High-Efficiency Variable-Speed Switched Reluctance Drives With Ring-Connected Winding Configuration [PDF]
, 2019 This paper presents a novel converter topology for six-phase switched reluctance motor (SRM) drives, which reduces the number of switches and diodes by half, compared with the conventional asymmetric half-bridge converter, but needs no additional energy ...
Deng, Xu +4 more
core +2 more sources
Ultraviolet-spot distribution and photon-count variation characteristics in direct current partial discharge [PDF]
AIP AdvancesTo address the challenges of ultraviolet (UV) imaging technology for partial discharge (PD) in high-voltage direct current (HVDC) converter stations (equipment), a comprehensive UV image processing methodology has been developed, and a needle–needle ...
Xiuhai Wu +6 more
doaj +1 more source
Hybrid and modular multilevel converter designs for isolated HVDC–DC converters [PDF]
, 2018 Efficient medium and high-voltage dc-dc conversion is critical for future dc grids. This paper proposes a hybrid multilevel dc-ac converter structure that is used as the kernel of dc-dc conversion systems.
Adam, G.P. +4 more
core +1 more source
A novel enhanced connection of AC/AC powertrain for HEV - modelling and simulation results [PDF]
, 2018 The paper deals with a novel enhanced connection of AC/AC powertrain for Hybrid Electric Vehicles (HEV). The substantial contribution of such a connection is the absence of 4QC auxiliary converter needed for autonomous and hybrid operational modes and ...
Dobrucký, Branislav +2 more
core +2 more sources
Overview on Grid-Forming Inverter Control Methods
Energies, 2020 In this paper, different control approaches for grid-forming inverters are discussed and compared with the grid-forming properties of synchronous machines. Grid-forming inverters are able to operate AC grids with or without rotating machines. In the past,
Peter Unruh +3 more
doaj +1 more source
Morphing Switched-Capacitor Converters with Variable Conversion Ratio [PDF]
, 2015 High-voltage-gain and wide-input-range dc-dc converters are widely used in various electronics and industrial products such as portable devices, telecommunication, automotive, and aerospace systems.
Huang, Y, Hui, SYR, Tan, SC, Xiong, S
core +1 more source
Angular dependence in ultraviolet imaging of HVDC partial discharges: Mechanism investigation and correction approach [PDF]
AIP AdvancesTo address the observation angle effects on the diagnosis accuracy of ultraviolet (UV) imaging for partial discharge (PD) monitoring in high-voltage direct current (HVDC) equipment, this study investigates the underlying mechanism and develops a ...
Jinwei Lv +6 more
doaj +1 more source
TRANSIENT MODELING IN COMMON DC LINK OF POWER CONVERTERS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2020 Subject of Research. The paper presents a mathematical model of an electric drive convertor operating in a common DC link for the 280-kW power level of the BELAZ-90 mining truck. The model is developed in MATLAB Simulink.
Alecksey S. Anuchin +3 more
doaj +1 more source
Evaluation of a dual-T-type converter supplying an open-end winding induction machine [PDF]
, 2013 The multilevel inverter is a promising technology compared to two-level inverters in the applications of ac-drives and smart-grid applications. In this paper, a dual-T-type three-level inverters is used to drive an open-end winding induction machine. The
Darba, Araz +5 more
core +1 more source
Open-Circuit Fault Diagnosis Method of Energy Storage Converter Based on MFCC Feature Set
Zhongguo dianli, 2022 Power conversion system (PCS) fault diagnosis plays an important role in the intelligent operation and maintenance of battery energy storage power stations.
Bin YU +5 more
doaj +1 more source