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14-tik 1-10 emaitza erakusten
Integral Sensor Fault Detection and Isolation for Railway Traction Drive
(MDPI AG, 2018)
Due to the increasing importance of reliability and availability of electric traction drives in Railway applications, early detection of faults has become an important key for Railway traction drive manufacturers. Sensor ...
DC-Link Voltage and Catenary Current Sensors Fault Reconstruction for Railway Traction Drives
(MDPI AG, 2018)
Due to the importance of sensors in control strategy and safety, early detection of faults in sensors has become a key point to improve the availability of railway traction drives. The presented sensor fault reconstruction ...
Field Weakening Characteristics Computed with FEM-Coupled Algorithms for Brushless AC Motors
(MDPI AG, 2018)
Finite Element Method (FEM) analysis tools are the most adopted in the design of
brushless alternating current motors due to the advantage of considering multi-physics effects
with dependencies of variables such as ...
A Review in Fault Diagnosis and Health Assessment for Railway Traction Drives
(MDPI AG, 2018)
During the last decade, due to the increasing importance of reliability and availability, railway industry is making greater use of fault diagnosis approaches for early fault detection, as well as Condition-based maintenance ...
A Requirement Engineering Framework for Electric Motors Development
(MDPI AG, 2018)
The applications using electric motors have increased in the last decade. Some of these applications encounter the need for tailor-made motors that must meet demanding requirements. Therefore, the specification stage of ...
Effects of manufacturing tolerances of permanent magnets in fractional slot permanent magnet synchronous machines
(IET, 2019)
The fractional slot permanent magnet synchronous machines are well-known for their low torque ripple. However, in mass-production machines, not all the permanent magnets are identical due to the manufacturing tolerances ...
Analysis of non-uniform circumferential segmentation of magnets to reduce eddy-current losses in SPMSM machines
(IEEE, 2012)
Eddy current losses generated in the rotor of the permanent magnet machines may lead to an excessive magnet heating. This can cause full demagnetization of the magnets so it is very important to analyze the losses on them ...
Analytical model to calculate radial forces in permanent-magnet synchronous machines
(IEEE, 2014)
In permanent-magnet synchronous machines (PMSMs) electromagnetic forces are identified as the principal source of vibrations and noises. In this article, first of all the sources of magnetic forces in PMSMs are analyzed. ...
Analytical model to calculate magnetic flux density in permanent magnet synchronous machines with static eccentricity
(IEEE, 2016)
In this article a general analytical model for the analysis of permanent magnet synchronous machines with static eccentricity is presented. The model is a continuation of [1] and it is based on Fourier time-space series ...
Radial fan simulations by computational fluid dynamics and experimental validation
(IEEE, 2014)
Fans are commonly used to refrigerate electrical machines when air forced cooling is required. They are rather simple solutions that can considerably improve the thermal performance of electrical machines, so the fan ...