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Open AccessArticle
13 Pages, 2,295 KB Download PDF
VSC-HVDC Robust LMI Optimization Approaches to Improve Small-Signal and Transient Stability of Highly Interconnected AC grids

by Yankai Xing, Elkhatib Kamal, Bogdan Marinescu and Florent Xavier
Journal of Engineering Research and Sciences, Volume 1, Issue 5, Page # 251-263, 2022; DOI: 10.55708/js0105026
Abstract: In this paper, for the situation of HVDC inserted in meshed AC power grid, a model-matching robust H∞ static output error feedback controller (RSOFC) and model-matching dynamic decoupled output feedback controller (DDOFC) are proposed to improve the damping of inter-area oscillation modes and maintain robustness to face the effects of different operating points and unstable… Read More

(This article belongs to the Section Automation and Control Systems (ACS))

Open AccessArticle
9 Pages, 2,760 KB Download PDF
Design and Analysis of Dual Acting Opposed Piston MR Damper

by Muhammad Aamish Khan
Journal of Engineering Research and Sciences, Volume 1, Issue 5, Page # 145-153, 2022; DOI: 10.55708/js0105015
Abstract: Magnetorheological dampers are dampers filled with magnetorheological fluid, which is controlled by a magnetic field, usually using an electromagnet. Viscosity of MR fluid changes with the application of magnetic field. In this way we can directly change the stiffness and performance of MR damper based on velocity of vehicle and topology of road, thus, providing the… Read More

(This article belongs to the Section Mechanical Engineering (MEE))

Open AccessArticle
9 Pages, 1,706 KB Download PDF
Impact Analysis of Duck Curve Phenomena with Renewable Energies and Storage Technologies

by Giovani Manuel Pitra and Kameswara Subrahmanya Sastry Musti
Journal of Engineering Research and Sciences, Volume 1, Issue 5, Page # 52-60, 2022; DOI: 10.55708/js0105006
Abstract: When higher quantities of solar energy is injected into power grid, then it is likely to result in what is known as “Duck curve phenomena”.  The net load under this phenomenon is negative and thus energy generation needs to be curtailed during the peak hours and also a part of the load during off-peak hours… Read More

(This article belongs to the Special Issue on SP1 (Special Issue on Multidisciplinary Sciences and Advanced Technology 2022) and the Section Electrical Engineering (ELE))

Open AccessArticle
7 Pages, 4,282 KB Download PDF
PWM Controlled Bidirectional Converter having Load-Independent Voltage-Gain

by Muhammad Tanveer Riaz, Umar Saeed, Saba Waseem, Sidra Riaz and Eman Manzoor Ahmed
Journal of Engineering Research and Sciences, Volume 1, Issue 5, Page # 34-40, 2022; DOI: 10.55708/js0105004
Abstract: The power balancing is the issue that creates when voltage fluctuations occur in the DC microgrid. In order to compensate for the DC bus voltages in the DC microgrid, the energy storage system is used. This system absorbs or releases the power to make the DC bus voltages is stable. In this research, a bidirectional… Read More

(This article belongs to the Special Issue on SP1 (Special Issue on Multidisciplinary Sciences and Advanced Technology 2022) and the Section Electrical Engineering (ELE))

Open AccessArticle
16 Pages, 2,191 KB Download PDF
Ideas at the Basis of Development of Software for Specific Nuclear Reactor Safety and Design

by Viacheslav Sergeevich Okunev
Journal of Engineering Research and Sciences, Volume 1, Issue 5, Page # 01-16, 2022; DOI: 10.55708/js0105001
Abstract: The main goal of the work was the development of software and codes for the design of new generation nuclear reactors. The problem is solved by the example of fast reactors with a liquid metal coolant. The problem is solved within the framework of system analysis methods and operations drawing methods. Three groups of methods… Read More

(This article belongs to the Section Nuclear Science and Technology (NST))

Open AccessArticle
13 Pages, 2,097 KB Download PDF
MC-SPWM and MC-THIPWM Methods for Symmetric and Asymmetric Design of CHB-MLI: A Study

by Jigneshkumar Patel and Vijay Sood
Journal of Engineering Research and Sciences, Volume 1, Issue 4, Page # 148-160, 2022; DOI: 10.55708/js0104017
Abstract: Cascaded H-bridge multilevel inverters (CHB-MLI) are employed in a variety of medium/high power applications. These inverters are known to inject unwanted harmonics into the grid, which negatively affects the grid and connected loads. CHB-MLI topology can reduce many of these harmonics by producing multiple output voltage levels and improves the fundamental component using a suitable… Read More

(This article belongs to the Special Issue on SP1 (Special Issue on Multidisciplinary Sciences and Advanced Technology 2022) and the Section Electrical Engineering (ELE))

Open AccessArticle
10 Pages, 1,399 KB Download PDF
Determining the Parameters of the Sine-Wave Filter Factors Affecting Filtration Quality

by Pustovetov Mikhail
Journal of Engineering Research and Sciences, Volume 1, Issue 4, Page # 127-136, 2022; DOI: 10.55708/js0104015
Abstract: The paper deals with proposals for the procedure of selecting the parameters of the sine-wave filter in case of increased voltage frequency (400—600 Hz) on the output of frequency converter, which is an element of power supply system. Author describes in article the structure of the power supply system for an unmanned underwater vehicle, which… Read More

(This article belongs to the Special Issue on SP1 (Special Issue on Multidisciplinary Sciences and Advanced Technology 2022) and the Section Electronic Engineering (EEE))

Open AccessArticle
17 Pages, 5,222 KB Download PDF
Bearing Fault Diagnosis Based on Ensemble Depth Explainable Encoder Classification Model with Arithmetic Optimized Tuning

by Kaibi Zhang, Yanyan Wang and Hongchun Qu
Journal of Engineering Research and Sciences, Volume 1, Issue 3, Page # 81-97, 2022; DOI: 10.55708/js0103009
Abstract: In a dynamic and complex bearing operating environment, current auto-encoder-based deep models for fault diagnosis are having difficulties in adaptation, which usually leads to a decline in accuracy. Besides, the opaqueness of the decision process by such deep models might reduce the reliability of the diagnostic results, which is not conducive to the subsequent optimization… Read More

(This article belongs to the Special Issue on SP1 (Special Issue on Multidisciplinary Sciences and Advanced Technology 2022) and the Section Artificial Intelligence – Computer Science (AIC))

Open AccessArticle
9 Pages, 1,441 KB Download PDF
An Overview of Solutions Regarding the Problems in Vocational and Technical Education - Example of Elazığ Province

by Ceyda Akıllı, İmam Bakır Arabacı and Engin Kırçıl
Journal of Engineering Research and Sciences, Volume 1, Issue 3, Page # 19-27, 2022; DOI: 10.55708/js0103003
Abstract: Vocational and technical education institutions help to train individuals in a well-equipped manner, increase their employability level, and provide workforce in areas that countries need. Vocational and technical education is of great importance in terms of ensuring the development of countries at the national and international level, training qualified intermediate staff and increasing employment opportunities.… Read More

(This article belongs to the Section Education and Educational Research (EER))

Open AccessArticle
9 Pages, 2,303 KB Download PDF
Harmonic and Sequence Component Estimation by a Novel Method

by Abinash Rath and Rumpa Saha
Journal of Engineering Research and Sciences, Volume 1, Issue 2, Page # 01-09, 2022; DOI: 10.55708/js0102001
Abstract: Power quality monitoring is one of the most important aspects of designing of compensators and other FACTS devices used in the power system. This paper aims at finding the power quality indices from the voltage and current samples of a harmonic polluted grid, by using a newly proposed sample manipulating technique. Here, all the harmonic… Read More

(This article belongs to the Special Issue on SP1 (Special Issue on Multidisciplinary Sciences and Advanced Technology 2022) and the Section Electrical Engineering (ELE))

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