Multilevel inverters (MLI) are employed to enhance the performance of the motor drives, in which the performance improvement is depends on the modulation scheme and the number of power switches and associated components of MLI. Various limitations of conventional sinusoidal pulse width modulation (SPWM) technique result in drives with lesser efficiency. Space Vector Pulse Width Modulation (SVPWM) schemes are now becoming common in inverter systems due to its advantages over other techniques such as better utilization of input voltage and lesser total harmonic distortion especially from the drive system perspective. The disadvantage being the complex computations which increases with the number of voltages levels in MLI. This paper investigates and compares the performance of a seven level inverter with conventional SPWM and a new multilevel multiphase SVPWM algorithm. The model is simulated in MATLAB/simulink and a low power prototype of the model is implemented in the laboratory to verify the simulation results. © 2017 IEEE.

Chitra A

Department of Energy and Power Electronics

School of Electrical Engineering

Vellore Campus

Jacob J

Thomas R.V

Rakesh E.

Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

Hardware realization and analysis of a seven level reduced switch inverter with space vector modulation technique

2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT)

Recent evolution in power electronics and semiconductor switching devices has paved the way for amelioration of various power electronic systems. Hence, various multilevel inverter configurations have been put forward with reduced device count and increased output levels. Pulses with modulated (PWM) adjustable speed drives are employed in various industrial drive applications to achieve superior performance. Among which Sinusoidal PWM (SPWM) and Space Vector PWM (SVPWM) techniques are stands out. Space vector techniques are becoming common in industrial drive applications due to its improved harmonic profile and better DC bus utilization. This paper envisages to analyze and identify an optimal modulation technique for a reduced switch seven level MLI running an induction motor drive in closed loop through Indirect Field Oriented Control (IFOC). The SPWM and the SVPWM techniques are applied to a seven MLI fed induction motor drive. The performance of both systems is analyzed and compared using MATLAB/simulink tool. © 2017 IEEE.

2017 International Conference on Innovations in Electrical, Electronics, Instrumentation and Media Technology (ICEEIMT)

Space vector pulse width modulation for a seven level inverter applied to an induction motor drive

Multilevel inverters (MLI) are employed mainly to enhance the performance of the drive scheme which generally demands a quality power source. The modulation technique involved plays a vital role in its improvement. The conventional sine pulse width modulation (SPWM) scheme employed in this regard though suffers from various limitations resulting in drives with lesser efficiency. Hence Space Vector Pulse Width Modulation (SVPWM) techniques are becoming popular in inverter systems due to its advantages in better utilization of input voltage, lesser harmonic content and better output voltage profile, especially from the drive system point of view. The disadvantage being the complex computations involved. This paper envisages to identify the optimal SVPWM technique for diode clamped MLI. The conventional SVPWM and the proposed SVPWM techniques are applied to the diode clamped MLI fed induction motor drive. The performance of both the drive schemes are analyzed and compared, to show the effectiveness of the proposed method. The added advantage of the proposed technique is that it involves lesser computations and has generalization capability. © 2015 IEEE.

2015 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT)

Identification of optimal SVPWM technique for diode clamped multilevel inverter based induction motor drive

IEEE Transactions on Industrial Electronics

A Novel Multilevel Inverter Based on Switched DC Sources

IET Power Electronics

Comprehensive review of a recently proposed multilevel inverter

A Five-Level Single-Phase Grid-Connected Converter for Renewable Distributed Systems

IOSR Journal of Engineering

Performance Evaluation of Multi Carrier Based PWM Techniques for Single Phase Five Level H-Bridge Type FCMLI

Journal	Data powered by Typeset2017 Second International Conference on Electrical, Computer and Communication Technologies (ICECCT)
Publisher	Data powered by TypesetIEEE
Open Access	No