Results 71 to 80 of about 27,096 (210)
Pulse–width modulated inverters are commonly used to control electrical drives, generating a common mode voltage and current with high–frequency components that excite the parasitic capacitances within electric machines, such as permanent magnet ...
Yusa Tombul +2 more
doaj +1 more source
Calculation of equivalent circuit parameters with finite element method for electrical machine [PDF]
Tato práce slouží k seznámení s konstrukcí a matematickým modelem synchronního stroje s permanentními magnety. Cílem je vytvořit model synchronního motoru s permanentními magnety v programu FEMM, který vyhodnocuje úlohy pomocí metody konečných prvků, a ...
Michaliczek, Jan
core
Torque prediction using the flux-MMF diagram in AC, DC, and reluctance motors [PDF]
This paper uses the flux-MMF diagram to compare and contrast the torque production mechanism in seven common types of electric motor. The flux-MMF diagram is a generalized version of the flux-linkage versus current (ψ-i) diagram for switched-reluctance ...
Deodhar, R.P. +3 more
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Investigations on the performances of the electrical generator of a rim-driven marine current turbine” [PDF]
In this paper, the electrical generator of a rim-driven horizontal-axis current turbine is modeled in detail. Its main characteristics and performances are evaluated (efficiency, mass, cost, etc).
CHARPENTIER, Jean-Frederic +3 more
core +1 more source
Detection of partial demagnetization fault in PMSMs operating under nonstationary conditions [PDF]
Demagnetization fault detection of in-service permanent magnet synchronous machines (PMSMs) is a challenging task, because most PMSMs operate under nonstationary circumstances in industrial applications.
Blaabjerg, Frede +5 more
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Online optimal flux-weakening control of permanent-magnet brushless AC drives [PDF]
An enhanced online optimal control strategy, which maximizes the flux-weakening performance of a brushless AC motor, is described, and applied to motors having different rotor topologies: interior (radial or circumferential), inset, and surface-mounted ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
core +1 more source
This manuscript analyzes the operation of an interior permanent magnet (IPM) machine working as a permanent magnet synchronous generator (PMSG). The partial demagnetization operation is analyzed.
Quintal-Palomo Roberto Eduardo
doaj +1 more source
In this study, we performed an electromagnetic characteristic analysis of a permanent magnet synchronous machine considering the current waveform based on static rotor eccentricity. First, the characteristics of the back electromotive force were analyzed
Hoon Ki Lee +4 more
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Impact of the motor magnetic model on direct flux vector control of interior PM motors [PDF]
The stator-field-oriented, direct-flux vector control has been proven to be effective in terms of linear torque control and model independent performance at limited voltage and current (i.e. in flux weakening) for AC drives of various types.
Bojoi, R. +2 more
core +1 more source
Architecture choices for high-temperature synchronous machines
The article proposes an analysis of the possible architectures of synchronous machines with an ability to operate at high temperatures of over 200°C in their environment.
Juszczak Ewa Napieralska +4 more
doaj +1 more source

