Results 41 to 50 of about 423,991 (310)

Induction Motor Hybrid Coordinate Transformation Model and Its Application

open access: yesJournal of Harbin University of Science and Technology, 2018
For the strong coupling problem between the rotor current and the air gap flux in the expression of the electromagnetic torque expression of the induction motor,the hybrid coordinate transformation is adopted by the αβ0 transformation and the MT0 ...
LIANG Yan-ping   +2 more
doaj   +1 more source

Particle Swarm Optimization Based Optimal Design of Six-Phase Induction Motor for Electric Propulsion of Submarines

open access: yesEnergies, 2022
Recent research reveals that multi-phase motors in electric propulsion systems are highly recommended due to their improved reliability and efficiency over traditional three phase motors.
Lelisa Wogi   +5 more
doaj   +1 more source

Design of Prototype Dynamic Ac Power Machine with Equivalent Circuit Modeling (Torque Speed Curve of Induction Motor 1,1, Kw) [PDF]

open access: yes, 2017
Squirrel cage induction motors are widely used in electric motor drives due to their satisfactory mechanical characteristics (torque, current, overloading) and small dimensions, as well as their low price.
Abidin, Z. (Zainal), Adam, A. (Adam)
core  

Variable-frequency inverter controls torque, speed, and braking in ac induction motors [PDF]

open access: yes, 1974
Dc to ac inverter provides optimum frequency and voltage to ac induction motor, in response to different motor-load and speed requirements. Inverter varies slip frequency of motor in proportion to required torque.
Nola, F. J.
core   +1 more source

Energy-based modeling of electric motors [PDF]

open access: yes, 2014
We propose a new approach to model electrical machines based on energy considerations and construction symmetries of the motor. We detail the approach on the Permanent-Magnet Synchronous Motor and show that it can be extended to Synchronous Reluctance ...
Combes, Pascal   +4 more
core   +3 more sources

Implementing Health‐Related Quality of Life Assessment in Pediatric Oncology: A Feasibility Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background There is growing interest in embedding health‐related quality of life (HRQoL) assessment and patient‐reported outcome measures (PROMs) within clinical cancer care. This study evaluated the feasibility, acceptability, and usability of implementing an electronic PROM (ePROM) platform to measure HRQoL in children with cancer ...
Mikaela Doig   +13 more
wiley   +1 more source

Speed Controlof Induction Motor with Its Parameter Different from Nominal Value [PDF]

open access: yesWarasan Witthayasat Lae Theknoloyi Mahawitthayalai Mahasarakham, 2019
This paper compares the performance of speed responsesgiven by the direct vector control system of an induction motor. The four PI controllers are incorporated in such a control system with eight state-variables.
Wirote Sangtungtong
doaj  

EFFECT OF HARMONICS ON A SOLID-ROTOR INDUCTION MOTOR

open access: yesJournal of Engineering, 2006
The paper records a study of an investigating the performance of a solid-rotor induction motor with a rectilinear inverter excitation to identify the effects of the associated time harmonics.
Ali M. Saleh, Ahmed Th. Radhi
doaj   +1 more source

Power factor control system for ac induction motors [PDF]

open access: yes, 1981
A power control circuit for an induction motor is disclosed in which a servo loop is used to control power input by controlling the power factor of motor operation.
Nola, F. J.
core   +1 more source

Cognitive Functioning in Vorinostat‐Treated Pediatric and Young Adult Patients Over the First 180 Days After Hematopoietic Stem Cell Transplant

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Cognitive and psychological difficulties could negatively interfere with treatment adherence and quality of life before and after hematopoietic stem cell transplant (HSCT). Methods to mitigate these changes may have positive effects on treatment success.
Kristen L. Votruba   +11 more
wiley   +1 more source

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