Ebook Particulars :
Language English
Pages 336
Format PDF
Measurement 7.87 MB

 

Variable Speed AC Drives with Inverter Output Filters by Jaroslaw Guzinski


 

The converter‐fed electrical drive applied sciences have grown quick and matured notably over the previous couple of years by way of the development of know-how. Due to this fact, it’s my nice pleasure that this e book, Variable Speed AC Drives with Inverter Output Filters, will completely fill the hole out there associated to design and trendy nonlinear management of the drives fed from the inverters geared up with output filters. Such filters are put in primarily for decreasing excessive dv/dt of inverter pulsed voltage and attaining sinusoidal voltage and currents waveforms (sinusoidal filter) on motor terminals.

Because of this, noises and vibrations are diminished and the motor effectivity is elevated. These benefits, nonetheless, are offset by the complication of drive management as a result of with inverter output filter there’s a increased order management plant. The e book is structured into ten chapters and 5 appendices. The primary chapter is an introduction, and common issues of AC motors equipped from voltage supply inverter (VSI) are mentioned in Chapter  2. The idealized advanced area‐vector fashions based mostly on T and Γ equal circuits and its presentation in state area equations type for the AC induction machine are derived in Chapter 3.

 

Additionally, on this chapter, definitions of per‐unit system used within the e book are given. The detailed overview, modeling, and design of household of filters utilized in inverter‐fed drives: sinusoidal filter, frequent mode filter, and dV/dt filter are offered in Chapter 4. Subsequent, in Chapter 5, a number of varieties of state observers of induction machine drive with output filter are offered intimately. These observers are essential for in‐depth research of various sensorless excessive‐efficiency management schemes offered in Chapter 6, which embody:

subject oriented management (FOC), nonlinear subject oriented management (NFOC), multiscalar management (MC), direct load angle management (LAC), direct torque management with area vector pulse width modulation (DTC‐SVM). Chapter 7, in flip, is dedicated to present management and principally considers the mannequin predictive stator present management (MPC) of the induction motor drive with inductive output filter applied and investigated by authors. A tough, however necessary problem of fault prognosis within the induction motor drives (damaged rotor bars, rotor misalignment, and eccentricity) are studied in Chapter 8, which presents strategies based mostly on frequency evaluation and synthetic intelligence (NN) and adaptive neuro‐fuzzy inference system (ANFIS).

 

In Chapter 9, the outcomes of analyzing, controlling, and investigating the classical three‐section drives with inverter output filter are generalized for 5‐section inductive machines, that are characterised by a number of necessary benefits reminiscent of increased torque density, excessive fault tolerance, decrease torque pulsation and noise, decrease present losses, and discount of the rated present of energy converter gadgets. Chapter 10 provides a brief abstract and last conclusions that underline the principle matters and achievements of the e book. Some particular facets are offered in appendices (A to F): synchronous sampling of inverter present (A), examples of LC filter design (B), transformations of equations (C), motor information used within the e book (D), adaptive again stepping observer (E), and vital variables and capabilities utilized in simulation information (F).

This e book has sturdy monograph attributes and discusses a number of facets of the authors’ present analysis in an progressive and authentic means. Rigorous mathematical description, good illustrations, and a sequence of nicely‐illustrated MATLAB®‐Simulink fashions (S Capabilities written in C language included). Simulation ends in each chapter are sturdy benefits which makes the e book engaging for a large spectrum of researches, engineering professionals, and undergraduate/graduate college students {of electrical} engineering and mechatronics schools. Lastly, I want to congratulate the authors of the e book as a result of it clearly contributes to raised understanding and additional purposes of converter‐fed drive methods.

 

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