Results 11 to 20 of about 2,498,380 (297)

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

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   +9 more
core   +2 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

Experimental High-Frequency Parameter Identification of AC Electrical Motors [PDF]

open access: yes, 2007
In order to predict conducted electromagnetic interference in inverter-motor drive systems, high-frequency (HF) motor models are requested and the involved parameters have to be available.
Boglietti, Aldo   +2 more
core   +1 more source

The Detection of Shaft Misalignments using Motor Current Signals from a Sensorless Variable Speed Drive [PDF]

open access: yes, 2015
Shaft misalignments are common problems in rotating machines which cause additional dynamic and static loads, and vibrations in the system, leading to early damages and energy loss.
Gu, Fengshou   +4 more
core   +3 more sources

VARIABLE SPEED ELECTRIC DRIVE OF CENTRIFUGAL PUMP IN OIL LIFTING PLANTS

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2019
Relevance of the work is caused by the need to create reliable frequency-controlled variable speed asynchronous induction motor drives of centrifugal pumping units for oil lifting.
Tatyana A. Chernysheva   +3 more
doaj   +1 more source

A Proposed Three-Phase Induction Motor Drive System Suitable for Golf Cars

open access: yesEnergies, 2022
In this paper, a proposed electric drive system for a three-phase induction motor is presented. The proposed drive system is suggested for a golf car as one type of electric vehicle.
Mohamed S. Elrefaey   +5 more
doaj   +1 more source

Sensorless Direct Field-Oriented Control of Three-Phase Induction Motor Drives for Low-Cost Applications [PDF]

open access: yes, 2008
A sensorless direct rotor field-oriented control (SDRFOC) scheme of three-phase induction motors for low-cost applications is presented in this paper. The SDRFOC algorithm is based on a sensorless closed-loop rotor flux observer whose main advantages are
PELLEGRINO, GIAN - MARIO LUIGI   +3 more
core   +1 more source

Motor Current Signature Analysis of a Variable Speed Drive for Motor Fault Diagnosis [PDF]

open access: yes, 2011
The induction motor is one of the most used electric machines in the industry because of its strong and simplicity. This paper investigates the performance of conventional techniques such as sideband analysis in detecting broken rotor bars when the motor
Gu, Fengshou   +2 more
core   +4 more sources

Application of Sensorless Sliding Mode Observer in Control of Induction Motor Drive

open access: yesAdvances in Electrical and Electronic Engineering, 2017
Induction motors are widely used in an industry and it is necessary to improve control methods for induction motors to increase the efficiency of them. In this paper, sliding mode controllers are proposed instead of traditional PI controllers in vector ...
Chau Si Thien Dong   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy