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A Fuzzy Based DSP Implementation for Power Quality Improvement of a Three Phase AC-AC Converter

N. Radhakrishnan, M. Ramaswamy
2010 International Journal of Computer Applications  
The algorithm allows the modulation index to vary, in order to regulate the load voltage.  ...  This paper proposes the use of a fuzzy logic controller (FLC) that serves to enhance the power quality of a three phase ac-ac converter system with a dc link.  ...  The input voltage distortion in a voltage source PWM controlled inverter will limit the amplitude of the fundamental and introduces unexpected lower order harmonics components.  ... 
doi:10.5120/557-734 fatcat:kemdsk6otnhjdk7ddzz7mp2wvi

Z-Source Inverter Based Motor Drives for Industrial Medium Voltage Application

Hanuman Prasad, Tanmoy Maity
2015 Periodica Polytechnica Electrical Engineering and Computer Science  
Simulation results show the dynamic performance of z-source inverter based 225KW, 3.3KV induction motor drives during input supply fluctuation.  ...  In this paper, the performance of traditional voltage source inverter is compared to that of z-source inverter for medium voltage drives under different operating conditions.  ...  traditional voltage Source inverter drive under variable modulation index S.  ... 
doi:10.3311/ppee.8121 fatcat:u6zf5pflpje6hibcsuzuvszjye

Analysis of Impedance Source Inverter Topologies for Grid integration of PV inverters

Arasakumar Sangari, R Umamaheswari
2015 International Journal of Power Electronics and Drive Systems  
The independent control variables are shoot-through duty ratio and modulation index. Simple Boost Control pulse width modulation technique was used in this work to vary the modulation index.  ...  Here the basic operation, simple boost control method, characteristics, requirements and harmonic analysis of the classical Z-Source Inverter (ZSI), TZ-Source Inverter (TZSI), Trans-Z-Source Inverter (  ...  ACKNOWLEDGEMENT The authors wish to thank the Management of Rajalakshmi Engineering College, Chennai, for providing all the computational facilities to carry out this work.  ... 
doi:10.11591/ijpeds.v6.i4.pp797-807 fatcat:26254rnfdjhcrkiri6rzy26fmq

A current-source-inverter-fed induction motor drive system with reduced losses

J.R. Espinoza, G. Joos
1998 IEEE transactions on industry applications  
index control loop, ensuring constant inverter modulation index and minimum dc-link current operation.  ...  Index Terms-AC drive, pulsewidth modulation current-source rectifier/inverter, reduced losses.  ...  Operation of the CSI Modulation Index Control Loop In order to keep a fixed modulation index for the inverter stage in steady state, the CSI modulation index control loop keeps the dc-link current level  ... 
doi:10.1109/28.703977 fatcat:25qjogbr5fejxirlvdoy56ij3y

Carrier Based Sinusodial PWM Scheme for the Nine-Switch Converter

Dr. Kokku Ram Narasimham
2018 International Journal for Research in Applied Science and Engineering Technology  
Index Terms: AC/AC converter, pulse width modulation (PWM), reduced switch count topology.  ...  The operating principle of the converter is elaborated and its modulation schemes are discussed.  ...  The freedoms of choosing its modulation index mr and firing angle α between the modulating wave and the grid can be employed to control the dc voltage and the input power factor.  ... 
doi:10.22214/ijraset.2018.1107 fatcat:mpfupnybsngvlfv74tz4bti6py

Performance Characteristics of Self-Excited Induction Generator fed Current Source Inverter for Wind Energy Conversion Applications

M. Sasikumar, S.Chenthur Pandian
2010 International Journal of Computer and Electrical Engineering  
The variable output voltage of the generator is rectified and inverted using the PWM inverter. The modulation index is adjusted such that the voltage at the output is maintained.  ...  Abstract-This paper presents a performance characteristics and harmonic analysis of self -excited induction generator (SEIG) fed current source inverter for isolated wind energy conversion system.  ... 
doi:10.7763/ijcee.2010.v2.278 fatcat:eyejql3flrc2vataecksxs44bq

A Novel Control Scheme for Buck-Boost DC to AC Converter for Variable Frequency Applications

Golam Sarowar, Mohammad Ali Choudhury, Md. Ashraful Hoque
2015 Procedia - Social and Behavioral Sciences  
Voltage controlled dual slope delta modulator is designed to reduce the harmonic distortion of the output voltage for variable frequency applications.  ...  This paper represents a novel control scheme for buck-boost DC to AC converter in variable frequency operation.  ...  In a voltage fed inverter the input DC voltage is essentially constant and independent of the load current drawn.  ... 
doi:10.1016/j.sbspro.2015.06.432 fatcat:7x7fy2mlzbhljjh4uwtcfvri5y

Investigation of a Low-Cost Grid-Connected Inverter for Small-Scale Wind Turbines Based on a Constant-Current Source PM Generator

David M. Whaley, Gurhan Ertasgin, Wen L. Soong, Nesimi Ertugrul, James Darbyshire, Hooman Dehbonei, Chem V. Nayar
2006 Industrial Electronics Society (IECON ), Annual Conference of IEEE  
The switch is used to modulate this current and produces an output current whose fundamental component is a full-wave rectified sinewave and is in-phase with the grid voltage.  ...  The combination of the high-inductance generator and uncontrolled rectifier produces a constant dc current.  ...  Adjustment of the modulation index (m a ) of the PWM waveform allows the output current magnitude and hence power to be controlled. III.  ... 
doi:10.1109/iecon.2006.347938 fatcat:qx5ru6eo4vgnbfqfwxbbi5mcs4

Switched-boost action: a phenomenon for achieving time-division-multiplexed multi-port power transfer for nanogrid applications

Olive Ray, Santanu Mishra
2017 Sadhana (Bangalore)  
This interfacing of multiple outputs at the same switch node occurs using time-division multiplexing of the available input power.  ...  Multi-port power converter topologies are used to interface multiple terminals (source or load) using a single converter topology.  ...  Figure 1c shows the voltage source inverter topology. In this case, the control variable is the modulation index.  ... 
doi:10.1007/s12046-017-0684-y fatcat:kodk6kzwgvfwzg26wdmvsrllve

A Quasi-Z Source Indirect Matrix Converter-Fed Induction Motor Drive

Mingzhu Guo, Yushan Liu, Baoming Ge, Shuo Liu, Xiao Li, Fernando J T E Ferreira, Anibal T. De Almeida
2019 IET electric power applications  
The proposed drive system shows the following features: (i) variable voltage control of inductor motor is achieved by the rectifier stage and variable frequency control is achieved by the inverter stage  ...  The control method combines motor vector control, minimum shoot-through duty cycle and maximum modulation indexes.  ...  Currently, the modulation index m o of inverter stage is usually used to achieve variable voltage variable frequency of motor drive; the modulation index m i of rectifier stage and shootthrough duty cycle  ... 
doi:10.1049/iet-epa.2019.0618 fatcat:5dwxonx7zbfjbdpkfoicvmn7x4

DSP based Pulse Generation for Induction Motor Speed Control

Hardik A.Shah, Satish K.Shah, Viranchi C Pandya
2015 International Journal of Computer Applications  
This method is useful to control the speed of Voltage source Inverter fed Induction motor drive.  ...  This paper presents real time implementation of DSP based Sine PWM control algorithm for 3 phase 4-leg IGBT voltage source inverter.  ...  etc [1] [2] [3] .Current source or current fed inverters likes stiff dc current source at the input.  ... 
doi:10.5120/21765-5014 fatcat:6uq5evyg7zdajjxacyobaeiedq

Review of impedance source power converter for electrical applications

V Saravanan, K M Venkatachalam, M Arumugam, M.A.K. Borelessa, K.T. M.U. Hemapala
2021 International Journal of Advances in Applied Sciences  
This article provides a comprehensive overview of Z-source converters and their implementation with new configurations with advanced features, emerging control strategies and applications.</p>  ...  Resistor source converter is one of the most important power electronic converters that can be used for AC-DC, AC-AC, DC-DC and DC-DC converters which can be used for various applications such as photovoltaic  ...  ACKNOWLEDGMENT This work is supported by Indo-Sri Lanka Joint Research Program by Department of Science & Technology (DST), Government of India and Ministry of Science, Technology & Research (MSTR), Government  ... 
doi:10.11591/ijaas.v10.i4.pp310-334 fatcat:d6aindh7d5ctdggvcqmizoi6z4

Mathematical Modeling of Current Source Matrix Converter with Venturini and SVM

Mieczysław Chodunaj, Paweł Szcześniak, Jacek Kaniewski
2020 Electronics  
The study of Current Source Matrix Converter (CSMC) static properties using the averaged state-space method for two modulation strategies Venturini and Space Vector Modulation (SVM) is the subject of this  ...  The averaged set equation is obtained directly from the three-phase schematic circuit, taking into account the sequences of switching patterns and modulation strategies.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics9040558 fatcat:xtiaizjdn5bkrmxisbr6thwp7u

Modified Space Vector Modulated Z Source Inverter with Effective DC Boost and Lowest Switching Stress

S. Thangaprakash, A. Krishnan
2010 The Journal of Engineering Research  
This paper presents a modified control algorithm for Space Vector Modulated (SVM) Z-Source inverters.  ...  Through this method of control, the full utilization of the dc link input voltage and keeping the lowest voltage stress across the switches with variable input voltage could be achieved.  ...  voltage source and current source inverters.  ... 
doi:10.24200/tjer.vol7iss1pp70-77 fatcat:bivu7lx6czc23dq445tgz7ptom

A Single-Stage Z-source Inverter for Transformerless Grid Connection with a Proportional-Resonant Controller for DC Current Elimination

A U Asi, B Chong, L Zhang, J Nkanu
2020 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)  
response of the current feedback loop Keywords-transformer-less grid-connected inverter, DC offset injection, single-stage Z-source inverter, proportional resonant controller  ...  However, this inverter has the problem of having a DC offset in the AC waveform due to the presence of steady-state error when the modulation index is varied.  ...  Fig. 9 Grid voltage, grid current, inverter output voltage and modulation index set at 0.6 (a) without PR controller (b) with PR controller This paper improves on the Z-source inverter in [10] by  ... 
doi:10.1109/pedg48541.2020.9244418 fatcat:qg5lgs7hprh2vblktmw4oz6aum
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