Performance and Analysis of Asynchronous Motor with Space Vector and Sinusoidal Pulse Width Modulation Techniques (original) (raw)

Computer Simulation of SPWM-VSI for Minimizing the starting torque and current in Asynchronous Motor Drive

The paper involves the speed control of three phase induction motor by using the PWM fed VSI. Speed can regulate by varying the external resistance in series with rotor circuit but this method is not so efficient. Therefore this paper is focused on frequency control method for which a three phase induction motor drive fed by Pulse width modulation Voltage source inverter. PWM is most reliable and efficient way to regulate the output voltage of VSI. There are several ways to modulate the pulse width but this paper deals with sinusoidal pulse width modulation technique. By varying the modulation index of SPWM then vary the voltage of VSI. This technique minimizes the lower order harmonics and improves the response of VSI. The transient rotor current, electromagnetic torque and rotor speed of the Induction Motor will improve. Proposed model of open loop PWM Inverter fed induction motor drives in MATLAB/Simulink software.

Simulation and Performance of Induction Motor Drive Using SVPWM Technique

Due to the advancement in power semiconductor devices and microprocessors, PWM inverters have been used in today's motor drives. The most commonly used PWM techniques are Sinusoidal pulse width modulation (SPWM) and Space vector pulse width modulation (SVPWM). Sinusoidal PWM technique is complex in digital implementation. Space Vector Pulse Width Modulation (SVPWM) is a digital technique, which increases the output voltage capability and increases DC bus utilization voltage. The output of the inverter can contain large number of voltage harmonics. As aim is to get low THD with sinusoidal output voltage waveform it is proposed to use LC filter. Sinusoidal output waveform is fed to an Induction Motor (IM). An AC drive system performance was simulated and evaluated for variable speed operation from no-load to rated speed under constant torque operation. The performance of motors has been analyzed from no load and full load in this paper. The focus was based on the simulation of power circuits using MATLAB/SIMULINK software.

Simulation and Performance of AC Drives Using SVPWM Technique

Drives are mainly categorized into constant-speed and variable-speed drives. AC machines have been used in constant-speed applications, where as DC machines were preferred for variable speed drives. Due to the advancement in power semiconductor devices and microprocessors, AC machines are widely used in variable speed drives. This paper focuses on the simulation and performance evaluation for an ac drive system with Induction motor and PMSM Motor. The focus was based on the simulation of the power circuits using MATLAB/SIMULINK software. The performance of inverter was studied by SVPWM technique. Space Vector Pulse Width Modulation (SVPWM) is a digital technique, which increases the output voltage capability and increases DC bus utilization voltage. The performance of an ac drive system was simulated and evaluated for variable speed operation from no load to rated speed under constant torque operation. The advantages and disadvantages of Induction motor and PMSM are analyzed and presented in this paper

Performance Analysis of SPWM and SVPWM Inverters Fed Induction Motor

This paper presents the analysis of the sinusoidal pulse width modulation (SPWM) and space-vector modulation (SVPWM). The analysis involves the relationship between modulation signals and space vectors and the switching patterns of spacevector modulation and the trigger of power electronic device .All the relationships provides a bidirectional bridge for the transformation between sinusoidal PWM modulators and space-vector modulation modulators. It is noted that all the drawn conclusions are independent of the load type. Nevertheless, the implementations of both SPWM and SVPWM circuits are carried out using three phase induction motor as a load.

A Comparative Study of Sinusoidal PWM and Space Vector PWM of an Induction Machine

Studies in Big Data, 2019

The inverter is a static converter that provides an AC voltage of adjustable amplitude and frequency from a DC voltage source. Any type of inverter (voltage or current) requires a control technique that depends on the type of machine to be controlled. Mainly, the standard performance makes it possible to evaluate and compare the different techniques of pulse width modulation PWM. The PWM can be reproduced by different widely distinguishable approach, the sinus-triangle method and the spatial vector. In this paper we will present the two control strategies, as well as their simulation in the environment Matlab/Simulink which will allow to evaluate their performance for an inverter fed induction Machine.

PERFORMANCE COMPARISON BETWEEN PWM AND SVPWM TECHNIQUES IN INDUCTION MOTOR DRIVE

This paper comprehensively analyzes the two famous techniques space-vector modulation (SVPWM) and pulse width modulation (PWM). Space Vector Pulse Width Modulation (SVPWM) is one of the most used techniques to generate sinusoidal voltage and current due to its facility and efficiency with low harmonic distortion. This algorithm is special, used in power electronic applications. This paper describes simulation algorithm of SVPWM & PWM using MATLAB/SIMULINK. The different methods for PWM generation and Space Vector based PWM (SVPWM) are broadly classified to reduce the switching losses and harmonics in the system. Index Terms-Pulse Width Modulation, Space Vector Pulse Width Modulation, MATLAB/SIMULINK, Three Phase Inverter and Induction Motor.

SCIENCE & TECHNOLOGY Analysis of PWM Techniques for Inverters Driving AC Motors

2017

Pulse Width Modulation (PWM) techniques are widely used in PV-operated, inverter-controlled AC motor drives. The frequency and magnitude of the voltage applied to the motors are controlled using PWM-based PV-operated drives. PWM is the standard approach for operating the inverter in order to generate high quality output voltage. In past decades, the performance of the PWM techniques were determined using power factor, transient response and efficiency, which play a major role in the regulation of PWM inverters so that a dynamic response can be obtained in grid-connected facilities. Conventional PWM such as PWM, Sinusoidal PWM (SPWM) and Space-Vector PWM (SVPWM) perform satisfactorily in terms of average switching frequency requirement, switching losses and DC bus current ripple, with respect to driving AC induction motors. However, they have poor harmonic characteristics leading to degradation of torque and speed profile of AC motor. In order to overcome the aforementioned drawback,...

Investigation of SPWM and SVPWM VSI for Induction Motor Drive

IOP Conference Series: Materials Science and Engineering, 2020

This paper investigates the different modulation techniques of voltage source inverter (VSI) for induction motor drive concerning the harmonic distortion. Two types of PWM strategies are analyzed under various operating conditions regarding total harmonic distortion. Both sinusoidal PWM and space vector PWM strategies have been analyzed. THD has a suitable value that reduces the torque ripple. since the high switching frequency provides high ripple. The system is simulated by using Matlab.