Utilizing a Dynamic Voltage Restorer to Reduce Voltage Sag and Swell in a Power System During Fault Conditions

Sushil Shankar More, Dattatray Bhatkar and Rupali Raskar

International Journal of Scientific Research in Computer Science, Engineering and Information Technology, 2023, vol. 9, issue 6, 261-269

Abstract: Modern power systems are become increasingly attuned to the utility company's power quality. Power quality issues include voltage sag and swell, harmonics, flicker, interruptions, and disruption of the sinusoidal waveform. These issues mostly affect industrial users with a variety of sensitive devices. These issues could cause them to lose a great deal of money. If the voltage drop is greater than the equipment's sensitivity threshold, the apparatus will break or sustain damage. In order to address this issue among consumers, gadgets like the Uninterruptible Power Supply (UPS), Static Synchronous Compensator (STATCOM), Active Voltage Restorer (AVR), and Dynamic Voltage Restorer (DVR) have been developed. A DVR is the most efficient and productive bespoke power device available. Thus, the goal of this work is to investigate how the DVR functions while voltage swell and sag are being compensated for. A sample of the distribution network will be used to investigate the DVR system. There are two feeders in this network, and each feeder is linked to the balanced load. One of the feeds has experienced a number of problems, including LG, LLG, and LLLG, which have caused voltage to sag and swell. To simulate the system, MATLAB/Simulink is selected as the software. By generating an output voltage with the least amount of distortion and harmonic distortion possible, the SVPWM-based approach can regulate the circuit with greater accuracy and enhance the DVR's reaction. The parameters, various circuit topologies, and the effects of power devices of components are discussed. The result of the simulation was recorded and discussed.

Keywords: Dynamic Voltage Restorer (DVR); Power Quality (PQ); Voltage Sag and Swell; Space Vector Pulse Width Modulation (SVPWM) (search for similar items in EconPapers)
Date: 2023
Note: Article URL: https://ijsrcseit.com/CSEIT231044
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