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Control Of Switched Reluctance Machines


Control Of Switched Reluctance Machines
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Electronic Control Of Switched Reluctance Machines


Electronic Control Of Switched Reluctance Machines
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Author : TJE Miller
language : en
Publisher: Elsevier
Release Date : 2001-05-18

Electronic Control Of Switched Reluctance Machines written by TJE Miller and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-05-18 with Technology & Engineering categories.


Switched reluctance motors have steadily increased in commercial importance since their introduction in the early 1980's, while their technology - especially of their electronic control - has made great progress. Their unique characteristics introduce a delicate balance, in which the copper and iron are diminished in quantity, complexity and cost, in favour of a greater reliance on sophistication in the controller. Thus mastery of the control is the key challenge in the application of these machines. This book is intended for engineer's in industry and in the large research community in electrical machines and drives. It introduces the techniques for controlling switched reluctance machines, starting from first principles and building up to the most advanced forms of sensorless control. It covers the recent advances in electronic control and includes aspects of motion control, automation, acoustic noise reduction and energy efficiency. Covers the recent changes in control technology Includes up-to-date equipment and methods Contains applications and case studies



Modelling And Control Of Switched Reluctance Machines


Modelling And Control Of Switched Reluctance Machines
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Author : Rui Araújo
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-09-09

Modelling And Control Of Switched Reluctance Machines written by Rui Araújo and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-09 with Science categories.


Today, switched reluctance machines (SRMs) play an increasingly important role in various sectors due to advantages such as robustness, simplicity of construction, low cost, insensitivity to high temperatures, and high fault tolerance. They are frequently used in fields such as aeronautics, electric and hybrid vehicles, and wind power generation. This book is a comprehensive resource on the design, modeling, and control of SRMs with methods that demonstrate their good performance as motors and generators.



Control Of Switched Reluctance Machines


Control Of Switched Reluctance Machines
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Author : Eoin Patrick Kennedy
language : en
Publisher:
Release Date : 2005

Control Of Switched Reluctance Machines written by Eoin Patrick Kennedy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.




Switched Reluctance Motor


Switched Reluctance Motor
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Author : Ahmed Tahour
language : en
Publisher: BoD – Books on Demand
Release Date : 2017-06-21

Switched Reluctance Motor written by Ahmed Tahour and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-21 with Science categories.


In the last years, the switched reluctance machines (SRMs) have been the subject of significant developments. SRMs are gaining much interest because of their simplicity in structures, high-output power, high starting torque, wide speed range, rugged and robust construction, reliability, and low manufacturing costs, which make these machines viable for many applications. SRMs include machines of different structures whose common property is the significant variation in the shape of the air gap during rotation. The use of advanced control technologies makes possible the integration of the mechanical and electrical conversion systems in their optimal mode of operation. Different strategies of control can be applied to SRMs, depending on their mode of functioning and the purpose of their applications. The goal of this book is to present recent works on concept, control, and applications in switched reluctance machines.



Switched Reluctance Motor Drives


Switched Reluctance Motor Drives
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Author : R. Krishnan
language : en
Publisher: CRC Press
Release Date : 2017-12-19

Switched Reluctance Motor Drives written by R. Krishnan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-19 with Technology & Engineering categories.


The switched reluctance machine (SRM) is the least expensive electrical machine to produce, yet one of the most reliable. As such, research has blossomed during the last decade, and the SRM and variable drive systems using SRMs are receiving considerable attention from industry. Because they require a power electronic converter and controller to function, however, successful realization of an SRM variable drive system demands an understanding of the converter and controller subsystems and their integration with the machine. Switched Reluctance Motor Drives provides that understanding. It presents a unified view of the machine and its drive system from all of its system and subsystem aspects. With a careful balance of theory and implementation, the author develops the analysis and design of SRMs from first principles, introduces a wide variety of power converters available for driving the SRM, and systematically presents both low- and high-performance controllers. The book includes an in-depth study of acoustic noise and its minimization along with application examples that include comparisons between ac and dc drives and SRM drive. The result is the first book that provides a state-of-the-art knowledge of SRMs, power converters, and their use with both sensor-based and sensorless controllers. Switched Reluctance Motor Drives enables both students and engineers to learn all aspects of SRM drive systems and appreciate the interdependence of the various subsystems in performance optimization.



Rotating Reference Frame Control Of Switched Reluctance Machines


Rotating Reference Frame Control Of Switched Reluctance Machines
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Author : Tausif Husain
language : en
Publisher:
Release Date : 2013

Rotating Reference Frame Control Of Switched Reluctance Machines written by Tausif Husain and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Electrical engineering categories.


A method to control switched reluctance motors (SRM) in the dq rotating frame is proposed in this thesis. The torque per phase is represented as the product of a sinusoidal inductance related term and a sinusoidal current term in the SRM controller. The SRM controller works with variables similar to those of a synchronous machine (SM) controller in dq reference frame, which allows the torque to be shared smoothly among different phases. The proposed controller provides efficient operation over the entire speed range and eliminates the need for computationally intensive sequencing algorithms. The controller achieves low torque ripple at low speeds and can apply phase advancing using a mechanism similar to the flux weakening of SM to operate at high speeds. A method of adaptive flux weakening for ensured operation over a wide speed range is also proposed. This method is developed for use with dq control of SRM but can also work in other controllers where phase advancing is required. The proposed adaptive control method uses the command and actual currents to adaptively determine the required amount of flux weakening. Through the unique features of dq controls, the proposed method provides an analogous control to synchronous machines for SRM while achieving a lower ripple and efficient and wide speed range of operation depending on the motors application. This has been verified through simulations and experiments.



Switched Reluctance Motor Drives


Switched Reluctance Motor Drives
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Author : Berker Bilgin
language : en
Publisher: CRC Press
Release Date : 2019-04-29

Switched Reluctance Motor Drives written by Berker Bilgin and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-29 with House & Home categories.


Electric motors are the largest consumer of electric energy and they play a critical role in the growing market for electrification. Due to their simple construction, switched reluctance motors (SRMs) are exceptionally attractive for the industry to respond to the increasing demand for high-efficiency, high-performance, and low-cost electric motors with a more secure supply chain. Switched Reluctance Motor Drives: Fundamentals to Applications is a comprehensive textbook covering the major aspects of switched reluctance motor drives. It provides an overview of the use of electric motors in the industrial, residential, commercial, and transportation sectors. It explains the theory behind the operation of switched reluctance motors and provides models to analyze them. The book extensively concentrates on the fundamentals and applications of SRM design and covers various design details, such as materials, mechanical construction, and controls. Acoustic noise and vibration is the most well-known issue in switched reluctance motors, but this can be reduced significantly through a multidisciplinary approach. These methodologies are explained in two chapters of the book. The first covers the fundamentals of acoustic noise and vibration so readers have the necessary tools to analyze the problems and explains the surface waves, spring-mass models, forcing harmonics, and mode shapes that are utilized in modeling and analyzing acoustic noise and vibration. The second applies these fundamentals to switched reluctance motors and provides examples for determining the sources of any acoustic noise in switched reluctance motors. In the final chapter two SRM designs are presented and proposed as replacements for permanent magnet machines in a residential HVAC application and a hybrid-electric propulsion application. It also shows a high-power and compact converter design for SRM drives. Features: Comprehensive coverage of switched reluctance motor drives from fundamental principles to design, operation, and applications A specific chapter on electric motor usage in industrial, residential, commercial, and transportation applications to address the benefits of switched reluctance machines Two chapters address acoustic noise and vibration in detail Numerous illustrations and practical examples on the design, modeling, and analysis of switched reluctance motor drives Examples of switched reluctance motor and drive design



Speed Control Of Switched Reluctance Motor


Speed Control Of Switched Reluctance Motor
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Author : Ramya Amirthalingam
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2012

Speed Control Of Switched Reluctance Motor written by Ramya Amirthalingam and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.


The Switched Reluctance Machine (SRM)is the least expensive electrical machine to produce, yet one of the most reliable. As such, research has blossomed during the last decade, and the SRM and variable drive systems using SRMs are receiving considerable attention from industry. However, successful realization of an SRM variable drive system demands an understanding of the converter and controller subsystems and their integration with the machine. Switched Reluctance Motor Drives provides that understanding a unified view of the machine and its drive system from all of its system and subsystem aspects. With a careful balance of theory and implementation, the author develops the analysis and design of SRMs from first principles, introduces a wide variety of power converters available for driving the SRM, and systematically presents both low and high-performance controllers.The book includes an in depth study of Power converters and controllers SRM drives enables readers to learn all aspects of SRM drive systems and apreciate the interdependence of the various subsystems in performance optimization.



Modeling And Control Of Switched Reluctance Machines For Four Quadrant Operation


Modeling And Control Of Switched Reluctance Machines For Four Quadrant Operation
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Author : Sandeep Narla
language : en
Publisher:
Release Date : 2010

Modeling And Control Of Switched Reluctance Machines For Four Quadrant Operation written by Sandeep Narla and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Commutation (Electricity) categories.


The switched reluctance machine (SRM) is receiving renewed attention as a viable candidate for various adjustable speed and high torque applications such as in the automotive, traction and aerospace industries. The unique feature of a SRM is its relatively simple mechanical structure; the rotor does not carry any windings, commutators or permanent magnets. The maintenance free usage makes it a good choice over other DC or AC drives. The software modeling and hardware testing of SRM, for four-quadrant operation, and the development of an optimum commutation angle controller for low output current ripple, and efficient battery charging using the switched reluctance generator (SRG) is presented in this thesis. Two different SRM models are simulated for controller development. One of the models is the geometry based machine model by A. Radun, which is used to develop the operation logic for four-quadrant control of a three-phase 12/8 pole SRM. The second model is based on torque and flux data generated through finite element analysis using the software Flux2D for the three-phase 12/8 SRM. Simulation results obtained from the models were used to develop a control strategy to adapt the commutation angles in real-time for efficient battery charging with minimized current ripple. Two digital controllers namely, the turn-on angle controller for regulating the charging current and the turn-off angle controller for minimizing current ripple (adjusting algorithm) are developed to deliver the desired output power. The controller algorithm is implemented in a TI digital signal processor (DSP) for real-time controls. The SRM power and control hardware cards are integrated into a complete SRM drive system for experimental verification. The experimentally obtained commutation angles are compared with the data table generated from simulation results.



Position Sensorless Torque Control Of Switched Reluctance Machines


Position Sensorless Torque Control Of Switched Reluctance Machines
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Author : Daniel van Treek
language : en
Publisher:
Release Date : 2012

Position Sensorless Torque Control Of Switched Reluctance Machines written by Daniel van Treek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.