International Journal of Power Electronics and Drive Systems (IJPEDS)

Journal Information
ISSN / EISSN : 2088-8694 / 2088-8694
Total articles ≅ 1,595
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Siti Azura A. Tarusan, Auzani Jidin, Mohd Luqman M. Jamil, Kasrul Abdul Karim
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp1978-1986

Abstract:
Stator flux fails to regulate at low operating speed condition is a common drawback for the conventional DTC. It is due to the inevitable of voltage drop across the stator resistance that interrupts the controlling of stator flux in DTC. Hence, a fixed sector rotation strategy is one of the solutions to rectify the raised issue. The strategy is based on the decreasing stator flux droop, which is an easy technique to change the sector of flux locus at a specific angle. However, this strategy only focuses at low operating speed. Thus, the stator flux droop effect at the various speed needs to be analysed. In this paper, an investigation is conducted by using simulation (MATLAB/Simulink) and experimental setup (dSPACE board) where a good agreement has been achieved between the predicted and measured results. The analysis taking into account between the conventional method (without strategy) and the proposed method (with strategy). In conclusion, the influence of stator flux droop is inversely proportional to the operating speed.
Cuong Dinh Tran, Tien Xuan Nguyen, Phuong Duy Nguyen
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2095-2102

Abstract:
An improving field-oriented control technique without current sensors is proposed to control rotor speed for an induction motor drive. The estimated stator currents based on the slip frequency are used instead of feedback current signals in the FOC loop. The reference signals and the estimated currents through computation steps are used to generate the control voltage for the switching inverter. Simulations were performed in Matlab/Simulink environment at rated speed and low-speed range to demonstrate the method's feasibility. Through simulation results, the FOC method using virtual sensors has proved its effectiveness in ensuring the stable operation of the IMD over a wide speed range.
Touheed Khan, Mohammed Asim, Mohammad Saood Manzar, Ibrahim, Shaikh Sadaf Afzal Ahmed
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2131-2139

Abstract:
This work proposes an adaptive filter based on a new least mean sixth control approach with incremental conductance method of MPP for 3-phase grid-incorporated photovoltaic (PV) system. The proposed system comprises a PV array, 3-phase DC to AC converter, maximum power point tracker (MPPT), three-phase electronic load, and a 3-phase grid. The combination of solar PV array and the voltage source converter (VSC) supplies power to the grid. The 3-phase inverter as a distribution static synchronous compensator (D-STATCOM) improves the quality of the system performance in case of zero solar irradiation. D-STATCOM also reduces total harmonic distortion (THD) in grid currents, improves power factor, and maintainsa constant voltage at the point of common coupling (PCC). The system modelling and simulation is achieved on MATLAB/Simulink. The proposed system performance has been found satisfactory and conform to IEEE-519 standards.
Ahmad Aiman Mohd Faudzi, Siti Fauziah Toha, Rabiatuladawiah Abu Hanifah, Nurul Fadzlin Hasbullah, Nor Azam Kamisan
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2414-2422

Abstract:
This paper investigates the performance of conventional boost converter, 2-phase interleaved boost converter and 3-phase interleaved boost converter for renewable energy applications especially for solar-powered energy. The advantages of using coupled inductors in interleaved boost converters include increased system efficiency, reduced core size, and also reduced overall current and voltage ripples which increases the lifetime of renewable energy resources. In this paper, the uses of boost converters have been focused explicitly on the interleaved DC-DC charging from a solar-powered battery into electric vehicle (EV) battery storage. Hence, this paper aims to investigate a suitable charging process mechanism from a photovoltaic (PV) battery storage system into EV powered battery system. Using the application of a boost converter with reduced ripple current and ripple voltage decreases switching losses and increases conversion efficiency. The simulation is carried out by using Simulink/MATLAB to evaluate the performance of each boost converter. The results successfully demonstrate the ability of the proposed charging system with an energy efficiency of 90%.
Kanike Vinod Kumar, R. Saravana Kumar
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2305-2313

Abstract:
Reduction of switch count in symmetrical and asymmetrical reduced switch multilevel inverter designs has been proposed regularly with operation of conventional carrier-based pulse width modulation technique. In this study, a novel structure of symmetrical Hexa shaped model reduced switch seven level output inverter is proposed without any auxiliary switch and H-bridge. Proposed structure offers a smaller number of switch count and voltage sources which results in the cost and complexity reduction of its implementation. To operate the switching sequence of inverter from carrier based APOD, POD and PD methods, suitable logical expression to be realize which gained more prominence. Active utilization of two voltage sources in each mode of operation results in significant reduction of voltage stress across each switch is achieved. A comparative study of proposed MLI with various reduced switch MLIs has been presented. Initially, simulation model implementation has been carried out with MATLAB/Simulink and observed the performance parameters and THD. Simulation results are carried for the comparison of the results obtained in the real time work performed on OPAL-RT 5700 simulator.
Mokhtar Touam, Mohammed Chenafa, Soufyane Chekroun, Ramzi‎ Salim
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp1987-1998

Abstract:
The induction motor is complex because its dynamic is nonlinear, multivariable and highly coupled. In addition, the induction motor (IM) controller design can be degraded due to wide ranges operating speed specially in low and near-zero speeds and also to variation of interval parameters such as the stator resistance change because of stator heating during operation. Our contribution is the use of a nonlinear sliding mode control using a fuzzy mutual reference adaptive system observer based on two fuzzy adaptation mechanisms to estimate both rotor speed and stator resistance. The proposed work was verified and compared by simulation and tested in various ranges of speed with motor and regenerating regions of operation. The results show that the proposed approach has proved good effectiveness in tracking and observation.
Muhammad Nur Yuniarto, Yoga Uta Nugraha, I Made Yulistya Negara, Dimas Anton Asfani, Indra Sidharta
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2018-2029

Abstract:
The dynamic design specifications of a vehicle are used to define the required torque and speed of a permanent magnet motor. This is due to providing clear instructions on the intent, performance, and construction of a vehicle. Therefore, this study aims to determine an engineering design and prototyping process of a Permanent Magnet Motor, to be used as an electric powertrain in a Utility Vehicle. Based on being used in severe road condition (steep inclination and off road), the vehicle should be able to handle a 45° inclination with total payload of approximately 250 kg. Using a rear-wheel-drive traction, its weight should also be less than 1000 kg. Furthermore, the motor should be operated at a maximum battery voltage of 100 V. According to the requirements, the electric powertrain should further have the ability to deliver a torque of approximately 1600 Nm on both rear wheels. Using a finite element method to simulate performances, transmission was coupled to the motor in providing the required torque. In addition, the motor prototype was subsequently manufactured and tested using a dynamometer. The results showed that the motor produced 19.6 kW, 5600 RPM, and 75 Nm at 96 V. Therefore, the design and prototyping process of the motor satisfied all the required specification.
Mona Magdy, Salama Abu-Zaid, Mahmoud A. Elwany
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2070-2082

Abstract:
The direct torque control (DTC) system, which is based on induction machine drive is a developed and simple control method. It allows high dynamic performance with very simple hysteresis control scheme; However, its disadvantages are high current, torque, and flux ripple. In this paper, DTC of induction machine drive has been improved by using the applications of artificial intelligence (AI) approaches to reduce the current, torque, and flux ripples and also get better performance of the machines. At the conclusion of this study, the outcomes of traditional DTC and artificial intelligent methods are compared. By the program MATLAB/SIMULINK, the modeling and simulation results of the DTC system for induction machine (IM) have been proposed.
Mamadou Traore, Alphousseyni Ndiaye, Senghane Mbodji
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2492-2500

Abstract:
This paper presents the meta-heuristic and conventional optimizations techniques for the grid connected photovoltaic solar system. The perturb and observe (P&O) and particle swarm optimization (PSO) algorithms are proposed to track the maximum power point (MPP) of the photovoltaic solar system (PVSS). The regularization of the current supplied into the grid is ensured by the proportional integral (PI) corrector whose parameters are generated by the genetic algorithm (GA). The results of these two MPPT methods are compared and showed that the PSO is more efficient than the P&O. The use of GA algorithm to determine PI parameters allowed to obtain 0.89% of total distortion harmonic (THD).
Hussain Attia, Suleyman Ulusoy
International Journal of Power Electronics and Drive Systems (IJPEDS), Volume 12; https://doi.org/10.11591/ijpeds.v12.i4.pp2201-2208

Abstract:
Based on the fact that the effectiveness of perturb and observe algorithm in a maximum power point tracking maximum power point tracking (MPPT) in a photovoltaic array is a tradeoff between the tracking speed during the transient response and the oscillation around the stable level during the steady state response. To have a high tracking speed, incremental step should be high, but this high incremental step increases the oscillation level around the steady level of MPPT, whereas adopting low incremental step reduces the algorithm response time but improve the response during the steady state condition. This paper presents a new perturb and observe algorithm based on two step variable control for MPPT applications. A two variable incremental step control is proposed to gain the merit of high step for guaranteeing a fast response during tracking process, and also for guaranteeing the merit of low oscillation during the steady state working condition through adopting a low step during steady state response. The effectiveness of the proposal is proved by the analysis of the simulation results via MATLAB/Simulink software, and by the comparison of the simulation results with a conventional perturb and observe MPPT algorithm.
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