A Fault-Tolerant T-Type Multilevel Inverter Topology With Increased Overload Capability and Soft-Switching Characteristics [PDF]
, 2017 he performance of a novel three-phase four-leg fault-tolerant T-type inverter topology is introduced in this paper. This inverter topology provides a fault-tolerant solution to any open-circuit and certain short-circuit switching faults in the power ...
Demerdash, Nabeel +4 more
core +2 more sources
Interleaved Boost Converter with ZVT-ZCT for the Main Switches and ZCS for the Auxiliary Switch
Applied Sciences, 2020 A soft-switching interleaved topology is presented herein and applied to the boost converter. The basic operating principle is that the main power switches are turned on at zero voltage and turned off at zero current via the same auxiliary resonant ...
Kuo-Ing Hwu +2 more
doaj +1 more source
Boost Converter with Active Snubber Network
Advances in Electrical and Computer Engineering, 2017 A new concept for reducing the losses in a boost converter is described. With the help of an auxiliary switch and a resonant circuit, zero-voltage switching at turn-off and zero-current switching during turn-on are achieved.
HIMMELSTOSS, F. A. +2 more
doaj +1 more source
A new zero-voltage-transition converter for switched reluctance motor drives [PDF]
, 1998 Firstly, a new zero-voltage-transition (ZVT) power converter for switched reluctance motor drives is presented. The proposed ZVT converter possesses the definite advantages that both main transistors and diodes can operate with zero-voltage switching ...
Chan, CC, Chau, KT, Ching, TW
core +1 more source
Soft Switching Full-Bridge PWM DC/DC Converter Using Secondary Snubber [PDF]
Journal of Electrical and Electronics Engineering, 2009 A novel full-bridge PWM DC/DCconverter with controlled secondary side rectifier usingsecondary snubber is presented in this paper.Limitation of the circulating current as well as softswitching for all power switches of the inverter isachieved for full ...
Jaroslav Dudrik +4 more
doaj
Soft switching DC/DC converter using auxiliary circuits [PDF]
Journal of Electrical and Electronics Engineering, 2008 A novel auxiliary circuit for full-bridge PWMDC/DC converter with controlled secondary side rectifieris presented in this paper. Zero-current turn-on for allpower switches of the inverter is achieved for full loadrange from no-load to short circuit by ...
Jaroslav Dudrik, Vladimír Ruščin
doaj
Digital simulation of FM-ZCS-quasi resonant converter fed DD servo drive using Matlab Simulink [PDF]
Serbian Journal of Electrical Engineering, 2009 This paper deals with digital simulation of FM-ZCS-quasi resonant converter fed DC servo drive using Matlab Simulink. Quasi Resonant Converter (QRC) is fast replacing conventional PWM converters in high frequency operation.
Kattamuri Narasimha Rao +1 more
doaj +1 more source
A novel two-quadrant zero-current transition converter for dc motor drives [PDF]
, 1998 A novel two-quadrant (2Q) zero-current-transition (ZCT) converter with the capabilities of 2Q power flow, and ZCT switching profile for DC motor drives is presented.
Chan, CC, Chau, KT, Ching, TW
core +1 more source
Constant-frequency multi-resonant converter-fed DC motor drives [PDF]
, 1996 Low-inductance dc motors with high power density and low rotor inertia are becoming more attractive, particularly for servo applications. In order to maintain their current ripples within acceptable levels, power converters need to operate at high ...
Chan, CC, Chau, KT, Ching, TW
core +1 more source
Comparative study of macroscopic quantum tunneling in Bi_2Sr_2CaCu_2O_y intrinsic Josephson junctions with different device structures [PDF]
, 2009 We investigated macroscopic quantum tunneling (MQT) of Bi$_2$Sr$_2$CaCu$_2$O$_y$ intrinsic Josephson junctions (IJJs) with two device structures. One is a nanometer-thick small mesa structure with only two or three IJJs and the other is a stack of a few ...
Hamada, K. +8 more
core +2 more sources