study of unconventional winding configuration of ... - eric semail
magnetic coupling between the two stars inducing high parasitic currents. To retain the same ..... are emitting the noise into the water. However, these promising ...
Usually supplied by Pulse. Amplitude Modulation Current Source Inverter. (PAM CSI), these motors can nowadays be controlled by Voltage Source Inverter (VSI) ...
set of two-phase fictitious machines each ones being characterized by a set of specific harmonic ranks. ... Electric marine propulsion widely uses multi-phase.
Multi-phase PM synchronous motor are also used [2 ... Fig.1: Presentation of n-phase synchronous machine .... manufacturing assumption, involve, as usual, the.
Abstract: - Multi-phase motors are widely used in marine propulsion. In this paper, a .... electric propulsion system topologies â, All Electrical. Ship AES 2000 ...
solution of the problem [25], [46]. ... that, with some conditions, it is possible to find an equivalent set of fictitious electric machines. These equivalent machines, called Multimachine system, are mechanically coupled on a ... get a transformatio
called Multimachine system, are mechanically coupled on the same shaft and ... get a transformation matrix is to find a matricial factorization of the stator ...
synchronous machine, the fourth leg being clamped to the neutral point. ... I. INTRODUCTION. The aeronautic industry requires electrical actuators with a.
with Np the number of windings, Knin the source field and in the current associated to the winding n and µ the magnetic permeability. ÎB and ÎH are two ...
Apr 30, 2008 - +d Electric motors â 07.10.Pz Instruments for strain, force, and torque ... spatial harmonics of the electromotive forces (EMF) and magnetomotive ... control relies on a design constraint of the 7-phase ma- chine: its EMFs must ...Mi
phase machine designed for a small-podded ship propeller, we make without changing the stator magnetic core a new. 5-phase winding design that improves ...
âFault-tolerant control of a multi-phase machine based on multi machine descriptionâ ... energy and Marine electrical propulsion are concerned by this activity.
N. 5-leg VSI. 5-phase machine 1 stator. 5-phase machine 2 stator connection. A 5-leg Voltage Source Inverter for supplying two 5-phase machines with special ...
inversion table allowing a fast practical implementation. Phase-to- ... rent sources, each switch is made of a parallel diode-transistor association. ... ulation strategies: analysis, comparison and design,â IEEE Trans. Power. Electron., vol. 13, p
The reliability of this kind of variable speed drive suffers mostly from the failure of semiconductor devices in the inverter. In this case, the failure results in the.
The polyphase machines have firstly been supplied by Pulse. Amplitude Modulation Current Source Inverter (PAM CSI). [15],[4]. In this case, a machine with q ...
control of a supercapacitors storage system for traction applications",. IEEE-IAS'05, Hong-Kong, October 2005, vol. 3, pp. 2013-2020. [16] X. Kestelyn, E. Semail ...
Many authors have proposed a new model of the machine taking ... Using the electromotive force vector (emf) dqr dq d e dt λ. = ..... Each term of this matrix has ...
for marine renewable energyâ. It discusses an ... Our investigations focus on permanent magnet ... energy of tidal streams into electricity is not new as some experimental ... Moreover, compared with wind resource, one main advantage of tidal ...
of electrical machine that should be particularly fitted to marine ... it is predictable and, as a consequence, it should be integrated ... directly inspired from the wind turbine conversion systems. .... Width Modulation voltage converter that can c
multi-machine model explains the reasons for this sensitivity and a more sophisticated ... We show also the possibilities of the 3D FEM which will be take as a ...
1, 123-129 and Springer ... de Reims Champagne-Ardenne, Moulin de la Housse BP 1039, 51687 Reims Cedex 2, France ... In revised form November 23, 2004.