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Hardware Co-Simulation of an Adaptive Field Oriented Control of Induction Motor
Kabache, Nadir,Moulahoum, Samir,Houassine, Hamza Journal of International Conference on Electrical 2014 Journal of international Conference on Electrical Vol.3 No.2
The reconfigurability of FPGA devices allows designers to evaluate, test and validate a new control algorithm; a new component or prototypes without damaged the real system with the so-called hardware co-simulation. The present paper uses the Xilinx System Generator (XSG) environment to establish and validate a new nonlinear estimator for the rotor time constant inverse that will be exploited to improve the indirect rotor field control of induction motor.
Kabach, Ouadie,Chetaine, Abdelouahed,Benchrif, Abdelfettah,Amsil, Hamid Korean Nuclear Society 2021 Nuclear Engineering and Technology Vol.53 No.8
Since the nuclear data forms a vital component in reactor physics computations, the nuclear community needs processing codes as tools for translating the Evaluated Nuclear Data Files (ENDF) to simulate nuclear-related problems such as an ACE format that is used for MCNP. Errors, inaccuracies or discrepancies in library processing may lead to a calculation that disagrees with the experimentally measured benchmark. This paper provides an overview of the processing and preparation of ENDF/B-VIII.0 incident neutron data with NECP-Atlas and NJOY codes for implementation in the MCNP code. The resulting libraries are statistically inter-compared and tested by conducting benchmark calculations, as the mutualcomparison is a source of strong feedback for further improvements in processing procedures. The database of the benchmark experiments is based on a selection taken from the International Handbook of Evaluated Criticality Safety Benchmark Experiments (ICSBEP handbook) and those proposed by Russell D. Mosteller. In general, there is quite good agreement between the NECP-Atlas1.2 and NJOY21<sup>(1.0.0.json)</sup> results with no substantial differences, if the correct input parameters are used.
Kabach Ouadie,Chetaine Abdelouahed,Jalil Abdelhamid,Darif Abdelaziz,Saidi Abdelmajid 한국원자력학회 2017 Nuclear Engineering and Technology Vol.49 No.8
To validate the new Evaluated Nuclear Data File (ENDF)/B-VIII.0β4 library, 31 different critical cores were selected and used for a benchmark test of the important parameter keff. The four utilized libraries are processed using Nuclear Data Processing Code (NJOY2016). The results obtained with the ENDF/BVIII. 0β4 library were compared against those calculated with ENDF/B-VI.8, ENDF/B-VII.0, and ENDF/BVII. 1 libraries using the Monte Carlo N-Particle (MCNP(X)) code. All the MCNP(X) calculations of keff values with these four libraries were compared with the experimentally measured results, which are available in the International Critically Safety Benchmark Evaluation Project. The obtained results are discussed and analyzed in this paper.
Behaviour Analysis of Self Excited Induction Generator Feeding Linear and No Linear Loads
Moulahoum, Samir,Kabache, Nadir The Korean Institute of Electrical Engineers 2013 Journal of Electrical Engineering & Technology Vol.8 No.6
Application of induction machines in wind turbine driven generators is a good alternative due to their good characteristics such as efficiency, reliability and low cost. Nevertheless, when isolated operation is required, the application of external capacitive bank, connected to the stator windings, to provide self-excitation results in a rather complex analysis. This paper presents an analysis of self-excited induction generator connected to a load either directly or by an intermediate of a power converter. At first a dynamic model of the induction generator accounting for magnetic saturation is developed. Then a number of balanced and unbalanced capacitors, passive and active loads are verified. Experimental results obtained from laboratory tests are compared to those simulated; the two are shown to be in good agreement.
Diagnostic and Active Filtering of Harmonics Generated by Compact Fluorescent Lamps
Moulahoum, Samir,Houassine, Hamza,Kabache, Nadir Journal of International Conference on Electrical 2014 Journal of international Conference on Electrical Vol.3 No.2
Use of nonlinear loads, such as power converters, fluorescent lamps and adjustable speed motor drives, is expected to grow rapidly. All of these loads inject harmonic currents. This paper presents the active filtering of the harmonic distortion generated by the compact fluorescent lamps (CFL). The Instantaneous active and reactive power theory (the p-q Theory) is used to design the control of parallel active filter. The control scheme has been verified using Matlab/Simulink with SimPower Systems through a set of simulation tests under different load conditions. Also, the tuning of the active power filter is performed to improve the quality of the electrical power supply.
Behaviour Analysis of Self Excited Induction Generator Feeding Linear and No Linear Loads
Samir Moulahoum,Nadir Kabache 대한전기학회 2013 Journal of Electrical Engineering & Technology Vol.8 No.6
Application of induction machines in wind turbine driven generators is a good alternative due to their good characteristics such as efficiency, reliability and low cost. Nevertheless, when isolated operation is required, the application of external capacitive bank, connected to the stator windings, to provide self-excitation results in a rather complex analysis. This paper presents an analysis of self-excited induction generator connected to a load either directly or by an intermediate of a power converter. At first a dynamic model of the induction generator accounting for magnetic saturation is developed. Then a number of balanced and unbalanced capacitors, passive and active loads are verified. Experimental results obtained from laboratory tests are compared to those simulated; the two are shown to be in good agreement.
Ahmed Bouhouta,Samir Moulahoum,Nadir Kabache 전력전자학회 2022 JOURNAL OF POWER ELECTRONICS Vol.22 No.6
This paper deals with the complete design and real-time implementation of a novel mixed control based on the pruned model tree (M5P) and collected datasets of a fuzzy logic controller. This combination aims to benefi t from both the decision tree rapidity and the fuzzy logic advantages. In harmonic mitigation systems with an active power fi lter, a strategy for identifying harmonic currents has a considerable infl uence on the quality and capacity of compensation. The proposed fuzzy-M5P model tree is assessed in the indirect current control identifi cation algorithm along with an eff ective comparison using the artifi cial neural network approach. The two learning methods are described and contrasted in an organized manner to evaluate their respective advantages in both steady state and dynamic state operating conditions. In compliance with IEEE std 519–1992 harmonic limits, an experimental setup was realized using dSPACE 1103 hardware to verify the excellent behavior of the system and to confi rm the eff ectiveness of the proposed M5P based control in terms of an almost unity power factor of 0.99, a low total harmonic distortion value of 3.07%, and satisfactory dynamic performances characterized by a fast response time of 100 ms.