doubly-salient variable reluctance machines
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... of variable reluctance machine (VRM) which include: high acoustic noise and torque pulsations, a novel doubly salient PM (DSPM) machine having special stator structure is proposed in ...
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Rotor shaping method for torque ripple mitigation in variable flux reluctance machines
... flux reluctance machines (VFRMs) were developed as a type of stator-wound-field (SWF) magnetless electrical machines ...have doubly-salient core structures, which are similar to those ...
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Electromagnetic Torque Ripple Minimization of Slotted Doubly-Salient-Permanent-Magnet Generator for Wind Turbine Applications
... of variable reluctance machines, operating at low speeds, called slow machines or direct attack machines are proposed ...named Doubly Salient Permanent Magnet Machine ...
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Position encoderless self synchronisation of variable reluctance stepping motors
... This research investigates the suitability of the single stack variable reluctance stepping motor to position encoderless self synchronisation when driven by an active suppression drive [r] ...
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Experimental analysis of noise and vibration for large brushless doubly fed machines
... In this work, the prototype 250 kW D400 BDFM was tested at different operating conditions in order to examine its actual noise and vibration levels. A series of measurements were conducted on the machine using Bruel ...
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... other machines in that both sets of windings have the same number of poles which is the same number of poles as the rotor; thus there is no restriction as to the choice of pole number of one winding in relation to ...
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Switched Reluctance Generator for Variable Speed Wind Energy Applications
... Output power of SRG depend on various variables such as: excitation current, excitation voltage, rotor position and also rotor speed. The parameters above can be con- trolled to achieve high efficiency of the SRG. ...
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... This paper studies the nature and mechanism of torque production in a coupled polyphase reluctance machine with two identical stator windings. For a graphical illustration of the torque mechanism, the permeance ...
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Design and Controller Optimization of Switched Reluctance and Flux Switching PM Machines.
... PM machines, namely Permanent Magnet Synchronous Machine (PMSM), Interior PM (IPM) and surface mounted PM-BLDC machines offer the highest power density using rare earth ...
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Hierarchical Distributed Motion Control for Multiple Linear Switched Reluctance Machines
... Abstract: This paper investigates a distributed, coordinated motion control network based on multiple direct-drive, linear switched reluctance machines (LSRMs). A hierarchical, two-level synchronization ...
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An Evaluation of Switched and Synchronous Reluctance Machines for Electric Power Steering Application.
... as machines that are robust and reliable but suffer from high torque ripple and acoustic noise emission ...(EPS) machines require good torque ripple performance and low acoustic noise ...tolerant ...
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Characterization of coil faults in an axial flux variable reluctance PM motor
... switch–reluctance (SR) motors have been proposed for use in applications requiring a degree of fault tolerance. A range of topologies of brushless SR and VR permanent–magnet (PM) motors are not susceptible to some ...
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EXPERIMENTAL DESIGN OF CAPACITANCE REQUIRED FOR SELF EXCITED INDUCTION GENERATOR
... switched reluctance generator (SRG). The SRG is a doubly salient ...double salient switched reluctance generator (SRGDS 8/6) excited by a suppression resistor converter (SRC) based on ...
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An Introduction to Variable and Feature Selection (Kernel Machines Section)
... (including variable/feature selection and hyperparameter optimiza- tion), the data not used for testing may be further split between fixed training and validation sets, or various methods of cross-validation can ...
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An Information Criterion for Variable Selection in Support Vector Machines
... In this paper we considered the problem of variable selection in support vector machines. We proposed two new information criteria, SVMICa and SVMICb, which allow us to evaluate the suitability of the ...
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Dynamic Modeling and Analysis of DFIG based Wind Turbine for Variable Wind Speed
... using variable speed wind turbines. Doubly Fed Induction Generator (DFIG) based Wind Energy Conversion Systems (WECS) are gaining tremendous attention ...and variable wind ...for variable wind ...
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A Simple Analytic Method to Model and Detect Non-Uniform Air-Gaps in Synchronous Generators
... Mojtaba Mirsalim (IEEE Senior Member) was born in Tehran, Iran, on February 14, 1956. He received his B.S. degree in EECS/NE, M.S. degree in Nuclear Engineering from the University of California, Berkeley in 1978 and ...
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Modelling and control of a variable-speed switched reluctance generator based wind turbine
... 1. Y. He, J. Hu and Z. Rende, “Modelling and Control of Wind-Turbine Used DFIG Under Network Fault Conditions” Proceedings of the Eighth International Conf. on Electrical Machines and Systems, vol. 2, pp. 986-991, ...
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Switched reluctance generator drive in the low and medium speed operation : modelling and analysis : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Electrical Engineering at Massey University, Manawatu, New Zealand
... This chapter summarizes the findings of the research in Chapter 6 and highlight the limitations in determining the optimal control variables. It will be presented in two parts: low and medium speed range. An in depth ...
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A Review on Modelling of the Maximum Lagging Current Test Method of Salient Pole Synchronous Machines
... different machines and there is no trustworthy way of the value prediction before measurement, it is recommended that the voltage is adjusted to a value less than 75% of the nominal voltage of the test machine ...
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