Results 11 to 20 of about 1,749,454 (246)

Investigation of Motor Supply Signature Analysis to Detect Motor Resistance Imbalances [PDF]

open access: yes, 2015
The trend to use inverter drives in industry is well established. It is desirable to monitor the condition of the motor/drive combination with the minimum of system intervention and at the same time retaining compatibility with the latest generation of ...
Gu, Fengshou   +3 more
core   +3 more sources

Detection and Diagnosis of Motor Stator Faults using Electric Signals from Variable Speed Drives [PDF]

open access: yes, 2015
Motor current signature analysis has been investigated widely for diagnosing faults of induction motors. However, most of these studies are based on open loop drives.
Shaeboub, Abdulkarim   +4 more
core   +4 more sources

Unified Direct-Flux Vector Control for AC motor drives [PDF]

open access: yes, 2010
The paper introduces a Unified Direct-Flux Vector Control scheme suitable for sinusoidal AC motor drives. The AC drives considered here are Induction Motor, Synchronous Reluctance and synchronous Permanent Magnet motor drives, including Interior and ...
R. Bojoi   +7 more
core   +1 more source

Using the AC Drive Motor as a Transducer for Detecting Electrical and Electromechanical Faults [PDF]

open access: yes
Condition monitoring of AC motors is a subject area that has received extensive research. Whether this monitoring is carried out on a scheduled basis by engineer intervention, or continuously using an on-line unit, the results of this testing enable ...
Lane, Mark
core   +4 more sources

Energy Optimisation of Sensorless Induction Motor Drives Using a Novel Robust-Adaptive Flux Simulator [PDF]

open access: yes, 2012
Modern drive systems should have improved reliability and one solution is the reduction or elimination of the number of speed sensors while maximizing the efficiency of motor and drive systems.
Pislaru, Crinela   +2 more
core   +4 more sources

Direct torque control for dual three-phase induction motor drives [PDF]

open access: yes, 2004
A direct torque control (DTC) strategy for dual three-phase induction motor drives is discussed in this paper. The induction machine has two sets of stator three-phase windings spatially shifted by 30 electrical degrees.
Profumo, Francesco   +10 more
core   +1 more source

Mathematical Simulation of the Synchronized Asynchronous Electric Drive [PDF]

open access: yesE3S Web of Conferences, 2020
At the end of the last century asynchronous motors with a phase rotor were most widely used among adjustable-speed AC drives. They were used for conveyors, transporters, cranes.
Meshcheryakov Victor   +2 more
doaj   +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

Optimal Selection of Asynchronous Motor-Gearhead Couple Fed by VFD for Electrified Vehicle Propulsion

open access: yesEnergies, 2021
Widespread applications of AC motors fed by variable frequency drives in electrified vehicles have become a conventional technical solution. The flexibility of control, low cost, and high energy efficiency attract developers and engineers to apply these ...
Shailendra Rajput   +2 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

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