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International Journal of Power Electronics and Drive Systems (IJPEDS)

IJPEDS
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Published by Institute of Advanced Engineering and Science

ISSN : - EISSN : 20888694 DOI : -

Core Subject : Engineering,

Control & Systems Engineering Electrical & Electronics Engineering

International Journal of Power Electronics and Drive Systems (IJPEDS, ISSN: 2088-8694, a SCOPUS indexed Journal) is the official publication of the Institute of Advanced Engineering and Science (IAES). The scope of the journal includes all issues in the field of Power Electronics and drive systems. Included are techniques for advanced power semiconductor devices, control in power electronics, low and high power converters (inverters, converters, controlled and uncontrolled rectifiers), Control algorithms and techniques applied to power electronics, electromagnetic and thermal performance of electronic power converters and inverters, power quality and utility applications, renewable energy, electric machines, modelling, simulation, analysis, design and implementations of the application of power circuit components (power semiconductors, inductors, high frequency transformers, capacitors), EMI/EMC considerations, power devices and components, sensors, integration and packaging, induction motor drives, synchronous motor drives, permanent magnet motor drives, switched reluctance motor and synchronous reluctance motor drives, ASDs (adjustable speed drives), multi-phase machines and converters, applications in motor drives, electric vehicles, wind energy systems, solar, battery chargers, UPS and hybrid systems and other applications.

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Articles 25 Documents

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Search results for , issue "Vol 6, No 3: September 2015" : 25 Documents clear

A Novel Method for IRFOC of Three-Phase Induction Motor under Open-Phase Fault Mohammad Jannati; Tole Sutikno; Nik Rumzi Nik Idris; Mohd Junaidi Abdul Aziz
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

This paper investigates the vector control of a star-connected three-phase Induction Motor (IM) under stator winding open-phase fault. The used vector control method is based upon indirect rotor field-orientation concepts that have been adapted for this type of machine. Beside the implementation of this method in critical industrial applications, the proposed method in this paper can be used for vector control of unbalanced 2-phase or single-phase IM with two main and auxiliary windings. Simulation results are provided to show the operation of the proposed drive system.

Simulation and dSPACE Based Implementation of Various PWM Strategies for A New H-Type FCMLI Topology Chinnapettai Ramalingam Balamurugan; S.P. Natarajan; T.S. Anandhi; B. Shanthi
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

Depending on the number of levels in output voltage, inverters can be divided into two categories: two level inverter and Multi Level Inverters (MLIs). An inverter topology for high voltage and high power applications that seems to be gaining interest is the MLI. In high power and high voltage applications, the two level inverters have some limitations in operating at high frequency mainly due to switching losses and constraints of device rating.In this paper, a three phase H + type FCMLI (Flying Capacitor MLI) using sinusoidal reference, third harmonic injection reference, 60 degree reference and stepped wave reference are initially developed using SIMULINK and then implemented in real time environment using dSPACE. In H-type FCMLI with R-load it is inferred that bipolar COPWM-C provides output with relatively low distortion for 60 degree reference and bipolar COPWM-C strategy is found to perform better since it provides relatively higher fundamental RMS output voltage for THI reference. The five level output voltages of the chosen MLIs obtained using the MATLAB and dSPACE based PWM (Pulse Width Modulation) strategies and the corresponding %THD (Total Harmonic Distortion), VRMS (fundamental), CF (Crest Factor) and FF (Form Factor) are presented and analyzed.

Electric Vehicle as an Energy Storage for Grid Connected Solar Power System E. Sheeba Percis; Manivannan S; Nalini A
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

In the past few years the growing demand for electricity and serious concern for the environment have given rise to the growth of sustainable sources like wind, solar, tidal, biomass etc. The technological advancement in power electronics has led to the extensive usage of solar power. Solar power output varies with the weather conditions and under shading conditions. With the increasing concerns of the impacts of the high penetration of Photovoltaic (PV) systems, a technical study about their effects on the power quality of the utility grid is required. This paper investigates the functioning of a grid-tied PV system along with maximum power point tracking (MPPT) algorithm. The effects of varying atmospheric conditions like solar irradiance and temperature are also taken into account. It is proposed in this work that an Electric Vehicle (EV) can be used as an energy storage to stabilize the power supplied to the grid from the photovoltaic resources. A coordinated control is necessary for the EV to obtain desired outcome. The modeling of the PV and EV system is carried out in PSCAD and the proposed idea is verified through simulation results utilizing real field data for solar irradiance and temperature.

On the Performances Investigation of Different Surface Mounted Permanent Magnet Machines Mansouri Ali; Msaddek Hejra; Trabelsi Hafedh
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

In recent years, permanent magnet machines have become a common choice in many industrial applications. Therefore, several structures have been developed, and the choice of a topology designed for a specified application requires the knowledge of the advantages and disadvantages of different topologies. The present work deals with the evaluation of the performances of different radial flux surface-mounted permanent magnet motors designed for an electric vehicle motor application. The objective of this survey is to show the effect of the rotor position (inner or outer) and the magnets segmentation on the machine output torque and iron losses. In this context, four machines with: (i) inner rotor, (ii) inner rotor segmented magnets, (iii) outer rotor and (iv) outer rotor segmented magnets have been designed and studied. All these machines have the same geometrical dimensions and current loading. The main idea is to develop a machine with smoothness torque, lower torque ondulation, lower iron losses, and which is mechanically robust. Firstly, the output torque of the different structure is computed. Secondly, by means of an improved analytical model coupled with 2 dimensional transient finite element analysis (FEA), the machines iron losses are predicted.

A Single-Phase Dual-Stage PV-Grid System with Active Filtering Slamet Riyadi; Yanuarsyah Haroen
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

Integrating photovoltaic based electricity into the grid and power quality improvement have become two major issues in electrical system. Formerly, these can be solved by using two converter systems separately, a PV-Grid System and an active power filter. But recent technology uses only a converter system to do both function. An existed shunt active power filter (SAPF) can be modified to form a dual-stage PV-Grid with active filtering capability. In this paper, a PV-Grid System that is capable to transfer all power generated by PV modules and reduce harmonic contents is proposed. The system was formed by connecting a boost chopper as a Maximum Power Point Tracker and PV modules to the DC-link capacitor of a single-phase SAPF. It just needed a current transducer and also required simpler control circuits. A voltage controller was needed to achieve power equilibrium while a current controller was needed to make the grid current sinusoidal with unity power factor. To verify the analysis, simulations and experiments were done.

Performance Comparison of PID and Fuzzy Controllers in Distributed MPPT Chandani Sharma; Anamika Jain
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

With an increase of Green Technology applications, Photovoltaic have emerged as the most appropriate solution for electricity generation purposes. However, due to variable temperature and irradiance, under the partial or shaded conditions Maximum Power Point Tracking is needed to determine highest efficiency of the system. The paper describes dynamic modeling and control of variable temperature and irradiance on solar panel in SIMULINK-MATLAB environment. The implementation of Buck Converter is used for power switching and impedance matching on connecting the panel to the load. The effectiveness of the model, with enhanced efficiency through voltage stabilization, is performed using Proportional-Integral-Derivative and Fuzzy-Logic-Controllers. A comparative study is made for PID and FLC on the basis of outputs to deal with online set point variations. FLC gives closer results to Standard Test Conditions when compared with PID. The Fuzzy system developed, using tested membership functions serve as a platform for sustainable standalone and grid-based applications using distributed MPPT. With an increase of Green Technology applications, Photovoltaic have emerged as the most appropriate solution for electricity generation purposes. However, due to variable temperature and irradiance, under the partial or shaded conditions Maximum Power Point Tracking is needed to determine highest efficiency of the system. The paper describes dynamic modeling and control of variable temperature and irradiance on solar panel in SIMULINK-MATLAB environment. The implementation of Buck Converter is used for power switching and impedance matching on connecting the panel to the load. The effectiveness of the model, with enhanced efficiency through voltage stabilization, is performed using Proportional-Integral-Derivative and Fuzzy-Logic-Controllers. A comparative study is made for PID and FLC on the basis of outputs to deal with online set point variations. FLC gives closer results to Standard Test Conditions when compared with PID. The Fuzzy system developed, using tested membership functions serve as a platform for sustainable standalone and grid-based applications using distributed MPPT.

Droop Characteristics of Doubly Fed Induction Generator Energy Storage Systems within Micro Grids K.L. Sireesha; G. Kesava Rao
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

This article presents the operation of DFIG Doubly fed induction generator and a component energy storage (ES) within micro grids (MG). The aim of this proposal is to control voltage and frequency of wind farm micro grid shared by the Doubly fed induction generator (DFIG) through droop characteristics. This paper is mainly concerned with the operation of islanded micro grids. The proposed control methods are pretend by using Matlab/simulink.

Faults Diagnosis in Five-Level Three-Phase Shunt Active Power Filter L. Benyettou; T. Benslimane; O. Abdelkhalek; T. Abdelkrim; K. Bentata
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

In this paper, characteristics of open transistor faults in cascaded H-bridge five-level three-phase PWM controlled shunt active power filter are determined. Phase currents can’t be trusted as fault indicator since their waveforms are slightly changed in the presence of open transistor fault. The proposed method uses H bridges output voltages to determine the faulty phase, the faulty bridge and more precisely, the open fault transistor.

A Soft Switching Control Strategy Based on Interleaved Boost Converter for BLDC Motor Drive V. Ramesh; Y. Kusuma Latha
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

In this paper, Zero-Voltage-Transition (ZVT) two-cell interleaved boost Power Factor Correction (PFC) converter for voltage source Inverter (VSI) fed permanent magnet brushless DC motor (PMBLDCM) drive has been proposed Scheme reduce the torque ripple of BLDC motor drive and also reduce the switching losses of VSI for Which an auxiliary circuit is designed and added to the interleaved boost converter. For achieving soft switching, only one switch is used in auxiliary circuit which reduces the torque ripple and switching losses. In this proposed control strategy, the DC link voltage is controlled with interleaved boost converter which is proportional to the desired speed of the BLDC motor. In this paper, six switch and four switch VSI is also implemented with interleaved boost converter topology. A comparison is made between the six switch and Four Switch VSI fed PMBLDC Motor drive and Torque Analysis as been done. To validate the proposed work, results are presented. The results showed that proposed converter control strategy operating under soft switching mode improves the efficiency of the drive system with PFC feature in wide range of the speed control.

A Review of the DTC Controller and Estimation of Stator Resistance in IM Drives Naveen Goel; Ram Narayan Patel; Saji Chacko
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 6, No 3: September 2015
Publisher : Institute of Advanced Engineering and Science

In recent years an advanced control method called direct torque control (DTC) has gained importance due to its capability to produce fast torque control of induction motor. Although in these systems such variables as torque, flux modulus and flux sector are required, resulting DTC structure is particularly simplistic. Conventional DTC does not require any mechanical sensor or current regulator and coordinate transformation is not present, thus reducing the complexity. Fast and good dynamic performances and robustness has made DTC popular and is now used widely in all industrial applications. Despite these advantages it has some disadvantages such as high torque ripple and slow transient response to step changes during start up. Torque ripple in DTC is because of hysteresis controller for stator flux linkage and torque. The ripples can be reduced if the errors of the torque and the flux linkage and the angular region of the flux linkage are subdivided into several smaller subsections. Since the errors are divided into smaller sections different voltage vector is selected for small difference in error, thus a more accurate voltage vector is selected and hence the torque and flux linkage errors are reduced. The stator resistance changes due to change in temperature during the operation of machine. At high speeds, the stator resistance drop is small and can be neglected. At low speeds, this drop becomes dominant. Any change in stator resistance gives wrong estimation of stator flux and consequently of the torque and flux. Therefore, it is necessary to estimate the stator resistance correctly. This paper aims to review some of the control techniques of DTC drives and stator resistance estimation methods.

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