Results 21 to 30 of about 93,761 (314)

Feedforward-loop phase-locked loop based estimation scheme for sensorless IPMSM drive system

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
The existence of mechanical speed sensors brings challenges of system reliability. Therefore, drives without speed and position sensors attract much popularity in interior permanent-magnet synchronous motor (IPMSM) drive system. This paper provides a new
Wang Li, Jixiong Jiang, Junwen Mu
doaj   +1 more source

Discussion on “AC Drive Observability Analysis” [PDF]

open access: yesIEEE Transactions on Industrial Electronics, 2015
In the paper by Vaclavek et al. (IEEE Trans. Ind. Electron., vol. 60, no. 8, pp. 3047-3059, Aug. 2013), the local observability of both induction machine and permanent-magnet synchronous machine (PMSM) under motion-sensorless operation is studied. In this letter, the "slowly varying" speed assumption is discussed, and the PMSM observability condition ...
Koteich, Mohamad   +3 more
openaire   +3 more sources

Transformer-Based Power Conversion System with Synchronous Adjustment of Modulated Inverters [PDF]

open access: yesProblems of the Regional Energetics, 2018
Purpose of this work – dissemination of specialized schemes of space-vector modulation for synchronous adjustment of multi-inverter system with power transformer.
Oleschuk V.
doaj   +1 more source

Evaluation Model of Loop Stray Parameters for Energy Storage Converter of Hybrid Electric Locomotive

open access: yesIEEE Access, 2020
When the silicon carbide (SiC) power module is applied to the energy storage converter of a hybrid locomotive, under the action of di/dt and loop stray inductance, it is easy to produce excessively high voltage overshoot, which affects the battery life ...
Yunxin Fan   +6 more
doaj   +1 more source

Fault-Tolerant Operation of an Open-End Winding Five-Phase PMSM Drive with Inverter Faults [PDF]

open access: yes, 2013
The authors would like to thank the ADEME for the funding of the MHYGALE project.Multi-phase machines are known for their fault-tolerant capability. However, star-connected machines have no fault tolerance to inverter switch short-circuit fault.
NGUYEN, Ngac Ky   +10 more
core   +1 more source

Investigation of Acoustic Properties on Wideband Sound-Absorber Composed of Hollow Perforated Spherical Structure with Extended Tubes and Porous Materials

open access: yesApplied Sciences, 2020
Traditional porous media such as melamine foam absorb sound due to their three-dimensional porous struts. However, the acoustic properties at low frequencies are greatly related to its thickness.
Dengke Li   +5 more
doaj   +1 more source

Assessment of dynamics of asynchronous drive by nonlinear transfer function. Correction of nonlinearity of asynchronous electric drive [PDF]

open access: yesОмский научный вестник, 2019
The article describes methods for analyzing dynamic processes in structures that form a mechanical moment in asynchronous electric motors with frequency control. For the first time, the nonlinearity of the mechanical characteristics of an asynchronous
A. A. Baldenkov   +2 more
doaj   +1 more source

A Method for Fault Detection and Isolation based on the Processing of Multiple Diagnostic Indices: Application to Inverter Faults in AC Drives [PDF]

open access: yes, 2013
A general method for fault detection and isolation is proposed and applied to inverter faults in drives of electric vehicles. This method is based on a change-detection algorithm, which allows multiple fault indices to be combined for retrieving the most
KESTELYN, Xavier   +7 more
core   +1 more source

Self-Commissioning of Inverter Nonlinear Effects in AC Drives [PDF]

open access: yes, 2012
The paper presents a novel technique for an accurate identification of the inverter nonlinear effects, such as the dead-time and on-state voltage drops. The proposed technique is very simple and it is based only on a current control scheme.
Rosu, S.G.   +10 more
core   +1 more source

Model reference adaptive system based sensorless vector control scheme for a 36‐pulse ac–dc converter fed 9‐level cascaded H‐bridge‐inverter driven induction motor drive

open access: yesIET Power Electronics, 2021
A new modular transformer based 36‐pulse ac–dc converter for a cascaded H‐bridge‐inverter fed medium voltage induction motor drive is proposed in this work.
Piyush Kant, Bhim Singh
doaj   +1 more source

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