Results 81 to 90 of about 1,230,070 (216)

Research of the adaptive control on modulation factor for PSR fly‐back PSM converter

ETRI Journal, 2018
The energy balance (EB) model of a primary side regulation (PSR) fly‐back converter in the discontinuous conduction mode (DCM) is discussed in this paper.
Lei Tian, Qinqin Li, Weiheng Wang
doaj   +1 more source

Simple Neutral-Point Voltage Control for Three-Level Inverters Using a Discontinuous Pulse Width Modulation

, 2012
This paper proposes a neutral-point voltage balancing method for a three-level inverter that uses discontinuous pulse width modulation (DPWM). The performance of a three-level inverter system is affected by the neutral-point voltage unbalancing ...
Lee, Hyun-Hee, Ui-Min Choi, Hyun-Hee Lee, Lee, K.B., Kyo-Beum Lee, Choi, Uimin   +5 more
core   +1 more source

Discontinuous Modulation Scheme for a Differential-Mode Ćuk Inverter

, 2014
The differential-mode Ćuk inverter (DMCI) is a single-stage inverter with low device count. It offers advantages over other topologies because of compactness, higher power density, and reduced cost.
Siamak Mehrnami (7988621), Sudip K. Mazumder (8001452)   +1 more
core  

Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications

Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. For proper operation of the
Picas Prat, Ricard, Pou Félix, Josep, Zaragoza Bertomeu, Jordi, Ceballos Recio, Salvador, Konstantinou, Georgios, Capellá Frau, Gabriel José   +5 more
core  

Space Vector Based High Performance Discontinuous Pulse Width Modulation Algorithms for VSI Fed AC Drive

, 2016
This paper presents Space Vector based high performance Discontinuous Pulse width modulation (DPWM) algorithms for VSI fed Induction motor drive. To avoid the complexity due to angle calculation and sector identification involved in Conventional space ...
C.Srinivasa Rao, M.Nayeemuddin
core  

Continuous-Amplitude Modulation for Optical Wireless Channels

, 2012
Continuous-amplitude modulation for wireless optical channels is presented. For bandwidth measured as 99% in-band power, its spectral efficiency is 4.57 times that of the same modulation format with discontinuous amplitude for the same power ...
Agrell, Erik, Kschischang, Frank R.,, Erik Agrell, Gerhard Kramer, Kschischang, Frank R., Kramer, Gerhard,, Karout, Johnny, Frank R. Kschischang, Karout, Johnny,, Kramer, Gerhard, Agrell, Erik,, Johnny Karout   +11 more
core   +1 more source

The existence of discontinuous module derivations [PDF]

Pacific Journal of Mathematics, 1977
openaire   +2 more sources

Simplified Carrier-Based SVDPWM Methods Using Reduced Common Mode Voltage Vector Redundancy for Improving Output Current Ripple in Four-Level NPC Inverter

IEEE Access
In this article, new fast and Three-level reduced common-mode voltage (RCMV) space vector Discontinuous pulse width modulation (SVDPWM) strategies are proposed to achieve high performance in four-level neutral point clamped (4L-NPC) inverters.
Le Nam Pham, Quoc Dung Phan, Nho-van Nguyen   +2 more
doaj   +1 more source

Discontinuous SVPWM-Based Speed Control of Unsymmetrical Two-Phase Induction Motor Using a Multifunctional Drive System

IEEE Access
This paper proposes a multifunctional drive system for closed loop speed control of an unsymmetrical two-phase induction motor. A two-phase three-leg voltage source inverter providing constant Volts/Hz and slip regulation control for a machine end ...
Watcharin Promkhun, Vijit Kinnares, Prayad Kongsuk, Wekin Piyarat, Sirichai Dangeam   +4 more
doaj   +1 more source

Comparative Analysis of Space Vector Pulse-Width Modulation Techniques of Three-Phase Inverter to Minimize Common Mode Voltage and/or Switching Losses

Mathematics
Inverter-based systems encounter significant challenges in mitigating common-mode voltage (CMV) and minimizing inverter losses. Despite various space vector pulse-width modulation (SVPWM) techniques proposed to address these issues, a comprehensive ...
Kotb B. Tawfiq, Peter Sergeant, Arafa S. Mansour   +2 more
doaj   +1 more source