design of permanent magnet synchronous generator

... DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2005 Trang 2This thesis presents aspects of analysis, design and control of permanent magnetsynchronous ... prove the validity of the design optimizationmethodology and control algorithm developed 1 Trang 301.1 Permanent Magnet MotorsThe use of permanent magnets (PM) in construction of electrical machines ... motors 4 1.2 Characteristics of Permanent Magnet Materials 6 1.3 Structures for exterior permanent magnet motors 8 1.4 Structures for interior permanent magnet motors 8 1.5 Ideal

Ngày tải lên: 15/09/2015, 22:06

... optimization of interior permanent magnet synchronous motor using genetic algorithms”, IEEE Trans Mag., 1997, 33, (2), pp 1892-1895 [39] Q Liu, Analysis, design and control of permanent magnet synchronous ... with the analysis and design of buried type Interior Permanent Magnet Synchronous Motors (IPMSM) The objective is to develop a design optimization procedure for this type of motors that is more ... d- and q-axis fluxes to the design variables The power capability of the machine can then be predicted for any set of the design variables Different types of designs of experiments (DoE), necessary

Ngày tải lên: 04/10/2015, 15:45

... with permanent magnet generator, IET Renewable Power Generation (3) (2007) 182-189 Li W., Abbey C., Joos G - Control and performance of wind turbine generators based on permanent-magnet synchronous ... 19 (2) (2019) 3-12 CONTROL OF A PERMANENT-MAGNET SYNCHRONOUS GENERATOR WIND TURBINE SYSTEM DURING GRID FAULT Van Tan Luong*, Dang Ngoc Khoa Ho Chi Minh City University of Food Industry *Email: ... ride-through capability enhancement of grid-connected permanent-magnet synchronous generator driven directly by variable speed wind turbine: a review, The Journal of Engineering 2017 (13) (2017)

Ngày tải lên: 16/05/2020, 00:10

... DIAGNOSIS OF PERMANENT MAGNET SYNCHRONOUS MOTOR BASED ON MECHANICAL AND MAGNETIC CHARACTERISTIC ANALYSES YU YINQUAN NATIONAL UNIVERSITY OF SINGAPORE 2013 FAULT DIAGNOSIS OF PERMANENT MAGNET SYNCHRONOUS ... Influence of Rotor Eccentricity to UnbalancedMagnetic-Pull in PM Synchronous Motor", ICEMS2006 [25] B A T Iamamura, Y Le Menach, A.Tounzi, N.Sadowski, E.Guillot, “Study of Synchronous Generator ... December 2013 ABSTRACT Thanks to the developments of functional materials, power electronics and electrical machine design, the permanent magnet synchronous motor (PMSM) has been used widely in

Ngày tải lên: 16/09/2015, 12:06

... of the type of M205B produced by KOLLMONGEN in US with rated power of 1.6 kW, rated voltage of 230 V, continuous rated current of 5.3 A, continuous torque of 4.47 Nm, and maximum revolution of ... Figure 2: Simplified stator model of synchronic motor the distances of 2𝜏 about a pair of magnetic poles equivalent to 360∘ of electrical angle Every stator of 3-phase AC motor can be analyzed ... methods of the strategy are simulated in computer and tested on the experiment platform of PMSM The control precision is also verified through the experiment Introduction The permanent magnet synchronous

Ngày tải lên: 02/11/2022, 09:24

... PMSM performance LITERATURE REVIEWPermanent Magnet Synchronous MotorPermanent Magnet Synchronous Motor, or PMSM is a type of AC electric motor which comes from the synchronous motor family [Tab 2.1] ... the vector control of a Permanent Magnet Synchronous Motor (PMSM) using a Proportional – Integral (PI) regulator, which exhibits satisfactory tracking performance in terms of speed, stability, ... issues “Synthesizing the speed controller of permanent magnet synchronous electrical motor with the blower load using adaptive sliding control” [3] The goal of this research is to strengthen the

Ngày tải lên: 26/09/2024, 10:38

... List of Symbols xii List of Figures xiv List of Tables xviii Introduction 1.1 Permanent Magnet Machines 1.2 Permanent Magnet Materials 1.3 Line-Start Permanent ... 114 v 4.2 Lumped Parameter Model of Permanent Magnet Synchronous Machines 116 4.3 Parameter Estimation of Line-Start Permanent Magnet Synchronous Machine ... Modelling of Line-Start Permanent Magnet Syn- iii chronous Machines 19 2.1 Introduction 19 2.2 Representation of Permanent Magnets 21 2.3 Modelling of

Ngày tải lên: 15/09/2015, 22:17

... online May 2009 Keywords: Permanent-magnet synchronous motor Passivity-based approach Rotational speed control Current control abstract The control of a permanent-magnet synchronous motor is a nontrivial ... 341 Appendix A Proof of Lemma .342 Appendix B Proof of the exponential stability of the flux tracking error 343 Appendix C Proof of Lemma ... property of the PMSM in the dq frame is given in Appendix A In Appendix B, the analysis and proof of the exponential stability of the flux tracking error is introduced Appendix C contains the proof of

Ngày tải lên: 24/11/2016, 10:43

... the current of phase A must be zero The fault reduces the number of DoF of the drive for control The number of DoF means the number of independent variables that can be used for control In this ... making the number of DoF become 5 2) In α-β frames, the number of DoF can be explained according to (2.1) for currents Without any constraints on stator windings, the number of DoF is 7 It means ... facilitate the control of an energetic system In addition, the number of DoF are pointed out for the control This point is particularly important for multiphase machines whose number of DoF is high in

Ngày tải lên: 23/03/2024, 10:33

... d CAUTION: During field weakening of a Surface Permanent Magnet (SPM) type of PMSM, mechanical damage of the rotor and the demagnetization of the permanent magnets is possible if careful measures ... Hysteresis Graph ΨPM d Intrinsic characteristic of permanent magnet Normal characteristic of permanent magnet Where: H = Field intensity B = Field induction BR = Permanent induction value HC = Coercivity ... method of flux angle and speed estimation for Permanent Magnet Synchronous Motors (PMSM) This method is applied with success in the Field Weakening mode of PMSM, which greatly increases the types of

Ngày tải lên: 11/01/2016, 17:05

... WECS concepts Among different types of generators, the permanent-magnet synchronous gen-erators (PMSGs) have been found to be superior owing to their advantages of higher efficiency, higher power ... process With the information of the increment/decrement of the generator rotor speed ω∗, the corresponding increment/decrement of the electrical output power P e of the generator is estimated If ... IEEE Abstract— Owing to the advantages of higher efficiency, greater reliability, and better grid compatibility, the direct-drive permanent-magnet synchronous generator (PMSG)-based variable-speed

Ngày tải lên: 27/09/2016, 20:23

... SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE Trang 2Abstract Initiated by the advent of high performance processors ... starting time over the conventional method of gate turn-off PMSMs have permanent magnet rotors generating sinusoidal back-EMFs in rotation From the perspective of torque performance, a PMSM should ... Figure 5.1 Motor positional inductance profile without saturation 88 Figure 5.2 Magnetic field produced by permanent magnet on rotor 89 Figure 5.3 Influence of armature winding current to stator

Ngày tải lên: 11/09/2015, 09:07

... and B. S. Kang, “Minimization of cogging torque in permanent magnet motors by teeth pairing and magnet arc design using genetic algorithm,” Journal of Magnetism and Magnetic Materials, vol. 226, ... region of the magnet It can be observed that such type of magnet shows very good linearity in the working region Figure 1.4 A typical demagnetization curve of NdFeB permanent magnet ... effectiveness of the approach is demonstrated using design optimization case studies. National University of Singapore VIII List of Tables List of Tables Table 1.1 The dimension of hard disk

Ngày tải lên: 15/09/2015, 22:03

... Recovery of rare earth elements from permanent magnet scraps by pyrometallurgical process Figures Fig.1 Illustration of experimental process for recovery of the rare earth elements from permanent magnet ... potentials of oxygen in different reactions 1400 1600 1800 Recovery of rare earth elements from permanent magnet scraps by pyrometallurgical process Fig.5 Photograph of a the oxides of NdFeB, ... recovery of rare earth elements from Nd-Fe-B permanent magnet was proposed in the present work The magnet scraps were first pulverized to fine particles The scraps powders were then fully Recovery of

Ngày tải lên: 28/06/2016, 11:29

... buoy is designed a circular cylindershaped with height of 420 mm and a diameter of 800 mm, the casing of device is diameter of 500 mm and 750 mm in height Figure 3.3 Inner of the electrical generator ... THE PERFORMANCE OF THE OPERATING DEVICE IN SEA 4.1 Experiment of the electrical generator in sea Figure 4.1 demonstrates several pictures of field experiments of the electrical generator for sea ... actual conditions of Vietnam sea CHAPTER RESEARCH ON THE MECHANICAL MODEL AND OPTIMIZATION OF THE ELECTRICAL GENERATOR FOR SEA WAVE ENERGY 2.1 Building a model of the electrical generator for sea

Ngày tải lên: 09/01/2020, 15:02

... buoy is designed a circular cylindershaped with height of 420 mm and a diameter of 800 mm, the casing of device is diameter of 500 mm and 750 mm in height Figure 3.3 Inner of the electrical generator ... THE PERFORMANCE OF THE OPERATING DEVICE IN SEA 4.1 Experiment of the electrical generator in sea Figure 4.1 demonstrates several pictures of field experiments of the electrical generator for sea ... actual conditions of Vietnam sea CHAPTER RESEARCH ON THE MECHANICAL MODEL AND OPTIMIZATION OF THE ELECTRICAL GENERATOR FOR SEA WAVE ENERGY 2.1 Building a model of the electrical generator for sea

Ngày tải lên: 15/01/2020, 08:34

... multi permanent magnet layers for ∇ -V-U shape rotor designs of interior permanent magnet synchronous motor and permanent magnet assisted synchronous reluctance motor to maximize the torque and ... electric vehicle applications Six models of the ∇ -V-U layer shapes of the interior permanent magnet synchronous motor and permanent magnet assisted synchronous reluctance motor are evaluated ... electromagnetic torque and efficiency performances of interior permanent magnet (IPMSM) and permanent-magnetassisted synchronous reluctance machines (PMa-SynRM) are significantly affected by the magnet

Ngày tải lên: 21/10/2022, 20:18

... covers the analysis and design of rotational brushless per- manent -magnet (PM) motors. Brushless dc, PM synchronous, and PM step motors are all brushless permanent- magnet motors. These specific ... The optimum number of magnet poles is a complex function of motor geometry and material properties. Thus in many designs, economics dictates that a small number of magnet poles be used. ... that op- posite magnet poles attract, that like magnet poles repel each other, and that current flowing in a coil of wire makes an electromagnet. Consider the bar permanent magnet centered...

Ngày tải lên: 02/07/2014, 08:20

... gaps, and slotted magnetic structures were developed. The properties of ferromagnetic and per- manent -magnet materials were discussed. A magnetic circuit model of a permanent magnet was introduced ... drop off more quickly as -H c is ap- proached. Operation in the area of the knee can cause the magnet to lose some magnetization irreversibly because the magnet will recoil along a line of ... proportional to the size of the hysteresis loop of a given material, and therefore by inspection of Fig. Figure 2.15 Typical core loss characteristics of ferromagnetic material. Magnetic Modeling...

Ngày tải lên: 02/07/2014, 08:20

... motor magnetic design. In the process of doing so, many additional design tradeoffs become apparent. Thus the design equations presented here add yet another layer of understanding of brushless ... current density, A/m 2 N ph Number of phases N m Number of magnet poles N sp Number of slots per phase, N sp ^ N m g Air gap length, m lm Magnet length, m Rso Outside stator ... skew factor computations. Chapter 6 Design Equations The preceding chapters provide a wealth of information regarding the design of many aspects of brushless PM motors. In this chapter,...

Ngày tải lên: 02/07/2014, 08:20