Mohammed, Amjad Muneim (2019) Development of D-Statcom in hardware in the loop system for voltage SAG mitigation. Masters thesis, Universiti Tun Hussein Onn Malaysia.
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Abstract
The problem of power quality (PQ) is of utmost concern today. The widespread use of electronic equipment such as adjustable speed drive (ASD), programmable logic controller (PLC), information technology equipment in power electronics applications such as energy-efficient lighting brings about a complete change in the nature of the electrical load. These loads are simultaneously major causes and major victims due to power quality problems. The most common types of power quality problems are voltage drops. The main causes of the voltage drop are due to a short circuit in the system, a switching operation, the starting of the large motor, a sudden increase in line loads, electrical fault on utility power lines caused by an animal, trees or other objects in contact with power lines. Therefore, this project is about to develop a Distributed Static Compensator (D-STATCOM) for voltage sag mitigation in hardware in the loop (HIL) with phase shift control technique for maintaining the bus bar-load voltage. It is because the intermittent switching of heavy loads results in voltage sag in the distribution line. The distribution line 400V and the D-STATCOM are modeled using MATLAB-SIMULINK software. In this work, the 6-pulse D-STATCOM configuration with IGBT has been designed. The HIL was develop using the low-cost microcontrollers which are the Arduino Mega 2560 and Raspberry Pi Type B2 with high accuracy response for high speed communication on mimic the real time response. In order to run the D-STATCOM in HIL and test the mitigation of sag, software design is first carried out to illustrate the use of D-STATCOM in mitigating voltage sag in a distribution line. The simulation results for software design proved that the D-STATCOM is capable of mitigating voltage sag as well as improving power quality of a system and the voltage sag 20% was corrected from 200V to normal voltage 245V. The D-STATCOM that has been modeled successfully and able to mitigate the voltage sag by using D-STATCOM in (HIL). At last the results have been analyzed and compared with the results which get in software.
| Item Type: | Thesis (Masters) |
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics |
| Divisions: | Faculty of Electrical and Electronic Engineering > Department of Electrical Engineering |
| Depositing User: | Mrs. Sabarina Che Mat |
| Date Deposited: | 25 Jul 2021 06:47 |
| Last Modified: | 25 Jul 2021 06:47 |
| URI: | http://eprints.uthm.edu.my/id/eprint/459 |
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