Results 21 to 30 of about 4,063 (227)

Performance of 7-level cascade H-bridge multi level inverter driven induction motor drive [PDF]

open access: yesE3S Web of Conferences, 2023
In recent times, many of industrial applications require smooth control over a wide range of speeds or smooth torque control without effecting motor performance and efficiency.
Tummala Suresh Kumar   +3 more
doaj   +1 more source

Detection and parameter estimation of intra-pulse modulated radar signals in complex interference environments+

open access: yesSN Applied Sciences, 2023
The main aim of this review is to describe in detail an advanced technique to detect and estimate the prior unknown parameters of intra-pulse modulated signals and the verification with typical radar signals.
Van Minh Duong   +4 more
doaj   +1 more source

Impact of Converter Topology on the Shunt Active Power Filter Systems Efficiency

open access: yesAlgerian Journal of Signals and Systems, 2023
This paper presents the performance of shunt active power filters (Shunt APFs) which can compensate harmonic currents generated by no-linear load based on five and seven-level neural point clamped (NPC) inverters.
Salim CHENNAI
doaj   +1 more source

Modified Phase-Shifted PWM Scheme for Reliability Improvement in Cascaded H-Bridge Multilevel Inverters

open access: yesIEEE Access, 2020
The cascaded H-bridge multilevel inverter (CHMI) is a modular structure that consists of many power semiconductor switches. With this increase in the number of power semiconductor switches, it is hard to predict and handle the failure of the devices, and
Eui-Jae Lee, Seok-Min Kim, Kyo-Beum Lee
doaj   +1 more source

Model Predictive Arm Current Control for Modular Multilevel Converter

open access: yesIEEE Access, 2021
Arm current control is a promising candidate for modular multilevel converter (MMC) due to it can effectively regulate ac-side current and control the ac component of circulating currents simultaneously.
Zhen Wang, Xianggen Yin, Yu Chen
doaj   +1 more source

Analysis of Switching Sequence Operation for Reduced Switch Multilevel Inverter With Various Pulse Width Modulation Methods

open access: yesFrontiers in Energy Research, 2020
Pulse width modulation (PWM) methods are used to control the switching sequence operations of conventional multilevel inverters (MLIs) and reduced switch multilevel inverters (RSMLIs).
Vinod Kumar Kanike, Saravanakumar Raju
doaj   +1 more source

A Comprehensive Review on Space Vector Modulation Techniques for Neutral Point Clamped Multi-Level Inverters

open access: yesIEEE Access, 2021
The Neutral Point Clamped (NPC) Multi-Level Inverters (MLI) have been ruling the power electronics industries for the past two decades. The Multi-Carrier Pulse Width Modulation (MCPWM) is common PWM techniques which are widely used in NPC-MLI ...
Vinoth Jayakumar   +2 more
doaj   +1 more source

A Carrier-Based PWM Strategy Providing Neutral-Point Voltage Oscillation Elimination for Multi-Phase Neutral Point Clamped 3-Level Inverter

open access: yesIEEE Access, 2019
General pulse width modulation (PWM) model for multi-phase neutral point (NP) clamped (NPC) 3-level inverter (3LI) is described. A novel PWM strategy for N -phase NPC 3LI with unconditional NP voltage balance is proposed as well as its carrier-based ...
Weidong Jiang   +4 more
doaj   +1 more source

Research on Multi-Port DC-DC Converter Based on Modular Multilevel Converter and Cascaded H Bridges for MVDC Applications

open access: yesIEEE Access, 2021
Aiming at the low-voltage DC distribution network system and combining the characteristics of F2F structure and ISOP-DAB structure DC transformer, this paper proposes a DC transformer structure based on modular multilevel converter (MMC) and cascaded H ...
Guanglin Sha   +6 more
doaj   +1 more source

PWM Carrier Displacement in Multi-N-Phase Drives: An Additional Degree of Freedom to Reduce the DC-Link Stress

open access: yesEnergies, 2018
The paper presents a particular Pulse Width Modulation (PWM) strategy to reduce the (Direct Current) DC-link capacitor stress for multi-n-phase drives.
Michela Diana   +2 more
doaj   +1 more source

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