Download or read book Voltage Analysis of PWM Inverter Fed Induction Motors written by Fahad H. Al-Ghubari and published by . This book was released on 1999 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adjustable Speed Drive (ASD) systems are widely used in industry to effectively improve process efficiency and control. Typically, an ASD system consists of a motor with its speed controlled by a power electronics converter via varying the amplitude and frequency of the input voltage. However, several abnormal insulation failures of random wound motors in ASD applications have been reported. These failures were related to voltage transients caused by inverters employing fast insulated Gate Bipolar Transistors (IGBTs) combined with long cables that connect motors to inverters. This thesis further analyzes the distribution of voltage waveforms generated by a pulse-width modulated (PWM) inverter at the motor terminals and windings. Experimental work was performed at the Motor Systems and Resource Facility (MSRF) at Oregon State University on a specially made 5hp induction motor with taps from the first and second coil and from the first four and last two turns in every phase. Tests were performed with long and short cables and results are compared. A simple simulation model was created in PSpice and used to predict maximum voltage transients across coils and turns. The validation of the model is demonstrated by its capability to predict most of the experimental results.
Download or read book Pulse Width Modulation written by Satish Kumar Peddapelli and published by . This book was released on 2017 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this book, the various space vector pulse width modulation based algorithms for multilevel inverter fed induction motors are proposed and implemented. The results have been analyzed and compared. The performance of these algorithms as evaluated in terms of inverter output regarding voltage, current waveforms, total harmonic distortion, speed of induction motor and torque ripples."--
Download or read book Steady State Analysis of PWM Voltage Inverter Induction Motor Drive Systems written by SAID. WAHSH and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Electric Motors and Drives written by Austin Hughes and published by Newnes. This book was released on 1993 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Electric Motors and Drives is intended for non-specialist users of electric motors and drives, filling the gap between maths- and theory-based academic textbooks and the more prosaic 'handbooks', which provide useful detail but little opportunity for the development of real insight and understanding. The book explores all of the widely-used modern types of motor and drive, including conventional and brushless D.C., induction motors and servo dries, providing readers with the knowledge to select the right technology for a given job." "The third edition includes additional diagrams and worked examples throughout. Now topics include digital interfacing and control of drives, direct torque control of induction motors and current-fed operation in DC drives. The material on brushless servomotors has also been expanded."--BOOK JACKET.
Download or read book Emc Aspects of Pwm Inverter Fed Ac Motor Drive System written by Abdolreza Esmaeli and published by LAP Lambert Academic Publishing. This book was released on 2010-11 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: PWM inverters are widely used in industrial, commercial and residential application such as motor drives. In three-leg inverters for three-phase applications the occurrence of common mode voltage is inherent due to asymmetrical output pulses. It has been found that the high dv/dt and high switching frequency together with the common mode voltages generated by PWM inverters have caused many adverse effects such as shaft voltage, bearing current, leakage current, motor terminal over voltage and electromagnetic interference (EMI). The EMI generated by such systems is increasingly causing concerns, as the electromagnetic compatibility (EMC) regulations become more stringent. In order to comply with these international EMC regulations, an EMI filter is often necessary. The major objective of this book is to investigate and suppress of the adverse effects of PWM inverters. Theoretical analysis of all the adverse effects is presented in this book. Several passive and active EMI filters and their design procedures are proposed and performed. The experimental results of applying these novel filters are presented.
Download or read book Minimisation of Inverter Fed Induction Motor Losses by Optimisation of PWM Voltage Wave Forms written by A. F. Mergen and published by . This book was released on 1977 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Foundations and Frontiers in Computer Communication and Electrical Engineering written by Aritra Acharyya and published by CRC Press. This book was released on 2016-05-05 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 3rd International Conference on Foundations and Frontiers in Computer, Communication and Electrical Engineering is a notable event which brings together academia, researchers, engineers and students in the fields of Electronics and Communication, Computer and Electrical Engineering making the conference a perfect platform to share experience, f
Download or read book Analysis and Methodology for Determining the Parasitic Capacitances in VSI fed IM Drives Based on PWM Technique written by Rudolf Ribeiro Riehl and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Three-phase induction motors present stray capacitances. The aim of this chapter is to present a methodology to experimentally determine these capacitances and also evaluate the effects of electromagnetic interference on motors in common mode. The proposed procedures for this methodology consist of: a) identifying the motor equivalent electrical circuit parameters through characteristic tests performed in the laboratory; b) setting up configurations between the PWM inverter and the motor for voltage and current measurements: common mode and shaft voltages, leakage and shaft (bearing) currents by using a dedicated measuring circuit; c) calculating the parasitic capacitance values between stator and frame, stator and rotor, rotor and frame and bearings of the motor using the capacitance characteristic equation; d) using the dedicated software Pspice to simulate the system composed by the three-phase induction motor fed by PWM inverter with the equivalent electrical circuit parameters; e) determining the characteristic waveforms involved in the common mode phenomenon.
Download or read book Induction Motors written by Raúl Gregor and published by BoD – Books on Demand. This book was released on 2015-11-18 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: AC motors play a major role in modern industrial applications. Squirrel-cage induction motors (SCIMs) are probably the most frequently used when compared to other AC motors because of their low cost, ruggedness, and low maintenance. The material presented in this book is organized into four sections, covering the applications and structural properties of induction motors (IMs), fault detection and diagnostics, control strategies, and the more recently developed topology based on the multiphase (more than three phases) induction motors. This material should be of specific interest to engineers and researchers who are engaged in the modeling, design, and implementation of control algorithms applied to induction motors and, more generally, to readers broadly interested in nonlinear control, health condition monitoring, and fault diagnosis.
Download or read book Control in Power Electronics written by Marian P. Kazmierkowski and published by Elsevier. This book was released on 2002-08-30 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors were originally brought together to share research and applications through the international Danfoss Professor Programme at Aalborg University in Denmark. Personal computers would be unwieldy and inefficient without power electronic dc supplies. Portable communication devices and computers would also be impractical. High-performance lighting systems, motor controls, and a wide range of industrial controls depend on power electronics. In the near future we can expect strong growth in automotive applications, dc power supplies for communication systems, portable applications, and high-end converters. We are approaching a time when all electrical energy will be processed and controlled through power electronics somewhere in the path from generation to end use. - The most up-to-date information available is presented in the text - Written by a world renowned leader in the field
Download or read book Development of Speed Controller for Inverter FED Induction Motor written by Muhd Hasif Juhari and published by . This book was released on 2010 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Normally variable speed control was performed by some type of d.c. motor. Today, the development of power semiconductors has resulted in the utilization of inverter circuits for variable speed control of induction motor. This project is to develop the application of inverter which can control the speed of induction motor by using PI controller. Inverters are circuit that convert DC to AC. The function of inverter is to create an AC voltage by using a DC voltage source, the voltage source that used DC voltage commonly batteries. Pulse Width Modulation (PWM) technique is considered as one solution for harmonic reduction and increasing the motor efficiency. Previous study regarding the performance on the traditional Pulse Width Modulation (PWM) inverter is carried out and it was found that the performance is not ideal. Therefore an improvement on the traditional PWM inverter is carried out by inserting a Proportional Integral (PI) controller to regulate and stabilize the output voltage of the inverter. This work was applied close-loop variable speed drive for single-phase induction motor using voltage control. The proposed drive system is simulated using Matlab/ Simulink, its results were compared with the hardware experimental results. The simulation and laboratory results proved that the drive system could be used for the speed control of a single phase induction motor with wide speed range.
Download or read book Analysis of Natural Frequency Radial Force and Vibration of Induction Motors Fed by PWM Inverter written by Takeo Ishikawa and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Power Electronics and Motor Drives written by Bimal K. Bose and published by Elsevier. This book was released on 2010-07-08 with total page 935 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power electronics is an area of extremely important and rapidly changing technology. Technological advancements in the area contribute to performance improvement and cost reduction, with applications proliferating in industrial, commercial, residential, military and aerospace environments. This book is meant to help engineers operating in all these areas to stay up-to-date on the most recent advances in the field, as well as to be a vehicle for clarifying increasingly complex theories and mathematics. This book will be a cost-effective and convenient way for engineers to get up-to-speed on the latest trends in power electronics. The reader will obtain the same level of informative instruction as they would if attending an IEEE course or a training session, but without ever leaving the office or living room! The author is in an excellent position to offer this instruction as he teaches many such courses. - Self-learning advanced tutorial, falling between a traditional textbook and a professional reference. - Almost every page features either a detailed figure or a bulleted chart, accompanied by clear descriptive explanatory text.
Download or read book Intergrated Systems with Multiploe Techniques written by and published by Allied Publishers. This book was released on with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Detection of Intermittent Misfiring in a Voltage fed PWM Inverter Induction Motor written by Kenneth Adan Silek and published by . This book was released on 2004 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Comparative Study on Some Fault Diagnosis Techniques in Three Phase Inverter Fed Induction Motors written by Bilal Djamal Eddine and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The growing importance of power conversion systems and their dependency on the performance and reliability of static converters has motivated extensive research efforts in this field. A variety of different techniques have been applied to detect open-circuit faults in power converters. The present chapter is focusing on the techniques of detection and localization of open-circuit faults in a three phase voltage source inverter fed induction motor. A comparative study is carried out between different detection techniques: the Park current vectors and its enhancement by using the polar coordinates, the mean value of the currents, the stator current spectrum analysis and the measurement of the current drop. The aim of this comparison is to investigate the relative strengths and weaknesses of the different techniques and evaluate the performance of each detection technique studied. The comparison study focuses on the time detection, the localization ability and the hardware aspect. To validate these techniques, an experimental setup is developed in our diagnostic group laboratory which consists of a two-level voltage source inverter controlled by a DSPACE-1104, Card to generate the PWM vector control of the induction motor. The obtained simulation and experimental results illustrate well the detection feasibility of each technique as well as the benefits and merits of the performed comparative study.
Download or read book High Power Converters and AC Drives written by Bin Wu and published by John Wiley & Sons. This book was released on 2017-01-17 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference of the latest developments in MV drive technology in the area of power converter topologies This new edition reflects the recent technological advancements in the MV drive industry, such as advanced multilevel converters and drive configurations. It includes three new chapters, Control of Synchronous Motor Drives, Transformerless MV Drives, and Matrix Converter Fed Drives. In addition, there are extensively revised chapters on Multilevel Voltage Source Inverters and Voltage Source Inverter-Fed Drives. This book includes a systematic analysis on a variety of high-power multilevel converters, illustrates important concepts with simulations and experiments, introduces various megawatt drives produced by world leading drive manufacturers, and addresses practical problems and their mitigations methods. This new edition: Provides an in-depth discussion and analysis of various control schemes for the MV synchronous motor drives Examines new technologies developed to eliminate the isolation transformer in the MV drives Discusses the operating principle and modulation schemes of matrix converter (MC) topology and multi-module cascaded matrix converters (CMCs) for MV drives, and their application in commercial MV drives Bin Wu is a Professor and Senior NSERC/Rockwell Automation Industrial Research Chair in Power Electronics and Electric Drives at Ryerson University, Canada. He is a fellow of Institute of Electrical and Electronics Engineers (IEEE), Engineering Institute of Canada (EIC), and Canadian Academy of Engineering (CAE). Dr. Wu has published more than 400 papers and holds more than 30 granted/pending US/European patents. He co-authored several books including Power Conversion and Control of Wind Energy Systems and Model Predictive Control of Wind Energy Conversion Systems (both by Wiley-IEEE Press). Mehdi Narimani is a Postdoctoral Research Associate with the Department of Electrical and computer Engineering at Ryerson University, Canada, and Rockwell Automation Canada. He is a senior member of IEEE. Dr. Narimani is author/co-author of more than 50 technical papers and four US/European patents (issued/pending review). His current research interests include power conversion, high power converters, control of power electronics, and renewable energy systems.
