https://ijrdo.org/index.php/eee/issue/feed IJRDO - Journal of Electrical And Electronics Engineering (ISSN: 2456-6055) 2019-09-12T16:07:42+00:00 Naeem Akhtar editor@ijrdo.org Open Journal Systems <p>The <em><strong>IJRDO Journal of Electrical&nbsp;</strong></em><em><strong>and&nbsp;</strong></em><em><strong>Electronic&nbsp;</strong></em><em><strong>Engineering</strong> </em>is a scholarly international journal that publishes original research papers in the fields of Electrical and Electronic Engineering and in related disciplines. Areas included (but not limited to) are electronics and communications engineering, electric energy, automation, control and instrumentation, computer and information technology, and the electrical engineering aspects of building services and aerospace engineering.<br><span style="font-size: 1.5em;"><strong> <span style="color: #fcbd0f; text-shadow: #666666 0px 0px 3px;">Current Impact Factor: 2.339</span></strong></span></p> https://ijrdo.org/index.php/eee/article/view/3189 Development of Identification Algorithms in Frequency Domain for Friction-Based Servo Drives Technology 2019-09-12T16:07:41+00:00 Lwin Mar Aung ecdepartment.ytu@gmail.com <p style="text-align: justify;">In this paper, nonlinearities, such as friction, backlashes, and saturations are commonly exists in servo drive systems in industry. Specifically, friction exists in servo motor control systems.&nbsp; The friction effects are undesirable in servo applications because they disturb the system performance. So it is required to know or identify the friction in servo systems. In this thesis, binary test signals are used to perform identification, thus simplifying the behaviour of friction. An identification method using the Identification Toolbox in MATLAB/SIMULINK is proposed in this analysis.</p> 2019-09-12T16:01:58+00:00 Copyright (c) 2019 IJRDO - Journal of Electrical And Electronics Engineering (ISSN: 2456-6055) https://ijrdo.org/index.php/eee/article/view/3190 Implementation of Multi-Stage Converter and Ultra-Capacitor DC Link-Based Voltage Source Active Power Filter 2019-09-12T16:07:41+00:00 Lwin Mar Aung ecdepartment.ytu@gmail.com <p><strong>A new topology for active power filters (APF) using an 27-level converter is analyzed. Each phase of the converter is composed of three three-state converters, all of them connected to the same capacitor dc link voltage and their output connected in series through output transformers. </strong><strong>The power quality is improved by using active power filter. The different power quality problems in distribution systems and their solutions with power electronics based equipment. This power quality problem exists if any voltage, current or frequency deviation results in a failure or in a bad operation of customer’s equipment. A multi-stage inverter using three-state converter is being analyzed for active filter and static var compensator applications. </strong><strong>A 1F Ultracapacitor is used in the DC link, making it possible to obtain a very stable voltage at the DC bus, even with highly contaminated currents. This high capacity also makes it possible to continue feeding the contaminating load during a Voltage Dip. Simulation results for this application are based on PIC16F877A assembly language.</strong><strong>Active Power Filter</strong></p> 2019-09-12T16:04:24+00:00 Copyright (c) 2019 IJRDO - Journal of Electrical And Electronics Engineering (ISSN: 2456-6055)