{"id":512,"date":"2022-07-17T19:55:42","date_gmt":"2022-07-17T19:55:42","guid":{"rendered":"https:\/\/els-journal.net\/wp\/about\/"},"modified":"2022-09-21T07:59:59","modified_gmt":"2022-09-21T07:59:59","slug":"26100-editors-column","status":"publish","type":"page","link":"https:\/\/els-journal.net\/wp\/?page_id=512","title":{"rendered":"26100 Editors Column"},"content":{"rendered":"\n\n\n

Vol. 26, No. 1 – June 2022<\/h3>\n

Editor’s Column<\/h3>\n

https:\/\/doi.org\/10.53314\/ELS2226001K<\/h5>\n
Mladen Knezic<\/h5>\n
Here we are in a new year, which will hopefully bring\nnew advancements to the journal, but most certainly it\nwill also impose additional challenges before us. I will keep\nit quiet for now and leave some important announcements for\nthe end of year. However, you will notice that we redesigned\nthe front page of the hard-copy and also registered an e-ISSN\nfor better coverage of the journal\u2019s online content.<\/h5>\n
In this volume, we bring four papers that report original\nresearch results in the field of sensor modeling, antenna design,\nand power electronics.<\/h5>\n
In the first paper, entitled \u201cMathematical Model and Practi-\ncal Implementation of Transformer Oil Humidity Sensor,\u201d the\nauthors, V. F. Hraniak, V. A. Matviychuk, and I. M. Kupchuk,\ndeveloped a mathematical model for transformer oil humidity\nsensor. They also proved experimentally that the total relative\nerror, which is introduced by the model, does not exceed 2%.<\/h5>\n
The second study, entitled \u201cDesigning and Implementing\na Microstrip Antenna on LoRa Frequency for Smart Me-\nter Communication,\u201d by P. Wounchoum, A. Kongsavat, and\nC. Karupongsiri, describes a design of micro-strip antenna\n(MSA), which is used afterwards for developing a new path\nloss model for LoRaWAN infrastructure in urban areas. The\nobtained results show that proposed MSA is comparable to\ncommercial solutions in a 2.2 km range, with packet delivery\nratio reaching 52.93%.<\/h5>\n
The third paper, \u201cDesign and Simulation of a Power System\nComposed of Grid-Tied Five-Level Inverter with LCL Filter,\u201d\nauthored by O. Elamri, A. Oukassi, A. E. T. Maamar, and\nL. El Bahir, presents the analysis, design, and simulation of\na power system composed of grid-tied single-phase five-level\ninverter with an LCL filter. The authors provide theoretical\nanalysis of the proposed design, which is further verified using\nsimulations in MATLAB\/Simulink environment. The obtained\nresults indicate that the total harmonic distortion of grid-\ncurrent is less than 0.2%, which is in line with the international\nstandards.<\/h5>\n
Finally, the paper \u201cDirect Torque Control of Induction\nMotor with Stator Flux Estimation Based on an Improved\nVoltage Model,\u201d by A. Belbali and S. Makhloufi, proposed a\nsolution for improving the stator flux estimator by introducing\na fractional order integrator to estimate the flux at low-speed.\nThe proposed solution does not require additional hardware, it\nis not computationally intensive, and provides accurate results.\nThe authors demonstrated its operation on dSPACE 1104\nplatform.<\/h5>\n
I thank the authors for their contribution to this issue of\nthe journal and to all the reviewers who participated in the\neditorial process by providing valuable comments in timely\nmanner to the editors and authors.<\/h5>\n
Full text: <\/a><\/h5>\n\n\n\n\n\"cited<\/a>\n\n\n\n\nGoogle Scholar Citations <\/a>\n\n\n\n\n
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