Optimized solutions for an optimization technique based on minority charge carrier inspired algorithm applied to selective harmonic elimination in induction motor drive

2012 ◽  
Author(s):  
Madichetty Sreedhar ◽  
Navin Mani Upadhyay ◽  
Sambeet Mishra
Keyword(s):  
Charge Carrier ◽  
Induction Motor ◽  
Optimization Technique ◽  
Motor Drive ◽  
Induction Motor Drive ◽  
Minority Charge Carrier ◽  
Harmonic Elimination ◽  
Selective Harmonic Elimination

scholarly journals DESIGN AND SIMULATION OF THREE PHASE FIVE LEVEL AND SEVEN LEVEL INVERTER FED INDUCTION MOTOR DRIVE WITH TWO CASCADED H-BRIDGE CONFIGURATION

2013 ◽  
pp. 29-34
Author(s):  
MANASA S ◽  
BALAJI RAMAKRISHNA S ◽  
MADHURA S ◽  
MOHAN H M
Keyword(s):  
Induction Motor ◽  
Pulse Width Modulation ◽  
Induction Machine ◽  
Poor Quality ◽  
Motor Drive ◽  
Induction Motor Drive ◽  
Voltage Reference ◽  
Multilevel Converters ◽  
Harmonic Elimination ◽  
Three Phase

This paper deals with study of Three phase Five Level and Seven Level inverter fed induction motor drive . Both five level and seven level are realized by cascading two H- bridges. The poor quality of voltage and current of a conventional inverter fed induction machine is due to the presence of harmonics and hence there is significant level of energy losses. The Multilevel inverter is used to reduce the harmonics. The inverters with a large number of steps can generate high quality voltage waveforms. The higher levels can follow a voltage reference with accuracy and with the advantage that the generated voltage can be modulated in amplitude instead of pulse-width modulation. An active harmonic elimination method is applied to eliminate any number of specific higher order harmonics of multilevel converters with unequal dc voltages. The simulation of three phase five and seven level inverter fed induction motor model is done using Matlab/Simulink. The FFT spectrums for the outputs are analyzed to study the reduction in the harmonics.

scholarly journals A Simple and Computationally-Efficient SHE Technique Utilizing the Same Notch Angles for the Entire Modulation Range

2021 ◽  
Author(s):  
Gopakumar K
Keyword(s):  
Lower Order ◽  
Motor Drive ◽  
Induction Motor Drive ◽  
Computationally Efficient ◽  
Precise Control ◽  
Harmonic Elimination ◽  
Selective Harmonic Elimination ◽  
Fundamental Value ◽  
Motor Drive System ◽  
And Control

<div>This paper proposes a novel and computationally efficient selective harmonic elimination (SHE) technique which eliminates the predefined lower order harmonics (till 19th order) from the phase voltage while controlling its fundamental. In conventional SHE schemes, the notch angles need to be computed online for each frequency in order to eliminate the harmonics and control the fundamental value. This involves intensive online computations and the convergence to the correct notch angles is not guaranteed, resulting in incorrect fundamental and/or presence of lower order harmonics. In contrast to this, a SHE technique, that uses the same pre-computed notch angles for all modulation indices, is proposed in this paper, thereby significantly reducing the computational burden. Here, the control of fundamental voltage at different frequencies is ensured by the concept of phase shifting of two identical notched waveforms. This ensures precise control of fundamental voltage while completely eliminating the pre-defined lower order harmonics. Moreover, the proposed scheme exhibits linear control till 0.582 times the DC-link voltage compared to 0.577 times the DC-link voltage in case of space vector PWM. The proposed method is validated experimentally on an induction motor drive system.</div>

scholarly journals A parameter less stochastic optimization technique for tuning of speed PI controller of DTC induction motor drive

2019 ◽  
Vol 8 (2) ◽  
pp. 105
Author(s):  
Naveen Goel ◽  
Saji Chacko ◽  
R. N. Patel
Keyword(s):  
Stochastic Optimization ◽  
Induction Motor ◽  
Control Method ◽  
Optimization Technique ◽  
Harmony Search ◽  
Direct Torque Control ◽  
Operating Conditions ◽  
Torque Control ◽  
Motor Drive ◽  
Induction Motor Drive

The Direct Torque Controlled (DTC) induction motor (IM) drives over the years have been the work force of industries. The popularity of this motor drive is due to the low cost and low maintenance of induction motor coupled with the fast dynamic response and simple control structure of direct torque control method. The robust performance of the DTC induction motor drive depends on the proper tuning of its speed controller. The proposed paper make use of the stochastic optimization technique namely the popular Harmony Search Algorithm and is compared with the parameter free Jaya Algorithm for tuning the gains of the speed proportional integral controller. Simulation studies in MATLAB/Simulink shows the success of the Jaya Optimization for improving the performance of DTC drive with respect to speed and torque peak over shoot and steady state error under different drive operating conditions.

scholarly journals A harmonic elimination and suppression scheme for an open-end winding induction motor drive

2003 ◽  
Vol 50 (6) ◽  
pp. 1187-1198 ◽  
Author(s):  
K.K. Mohapatra ◽  
K. Gopakumar ◽  
V.T. Somasekhar ◽  
L. Umanand
Keyword(s):  
Induction Motor ◽  
Motor Drive ◽  
Induction Motor Drive ◽  
Harmonic Elimination ◽  
Open End Winding

scholarly journals Implementation of PWM AC chopper controller for capacitor run induction motor drive via bacterial foraging optimization algorithm

2020 ◽  
Vol 9 (3) ◽  
pp. 169
Author(s):  
Gobi Mohan Sivasubramanian ◽  
Murali Narayanamurthy
Keyword(s):  
Induction Motor ◽  
Optimization Algorithm ◽  
Optimization Technique ◽  
Motor Drive ◽  
Induction Motor Drive ◽  
Bacterial Foraging Optimization ◽  
Loop Control ◽  
Pulse Width Modulated ◽  
Field Programmable ◽  
Functional Point

<p>This paper focuses on design of closed-loop control for pulse width modulated AC chopper controlled capacitor run induction motor drive engaging enriched optimization algorithm based on foraging of bacteria. Capacitor run induction motor is a non-linear device and its parameter varies under different functional point of the system. A linearized increment model for PWM AC chopper is illustrated for a particular functional point of the drive. The conventional method does not provide acceptable performance under different load conditions. Bacteria foraging optimization technique categorizes accurate control parameters for the superlative dynamic response under unit step load variations. Field Programmable Gate Array is implemented practically for a particular functional point of the drive to exhibit accurate performance. Experimental and simulated results are obtained to authenticate the effectiveness of the optimized controller.</p><p> </p>

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