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PV source in SRF–Controlled DVR system for enhanced voltage sag and swell conditions

  • Unique Paper ID: 172989
  • Volume: 11
  • Issue: 9
  • PageNo: 1530-1538
  • Abstract:
  • Power quality problems in today's distribution systems result from the growing use of delicate and essential equipment components, such as communication networks, process industries, and precise manufacturing processes. Transients, sags, swells, and other aberrations in the supply voltage's sinusoidal waveform impact this device’s operation. The SRF approach uses a sequence component identification method rather than signal filtering. The control system can respond while maintaining stability and operating conditions, including extreme swells and sags. In order to generate the load voltage reference, these positive sequence components are converted into DQ coordinates. Voltage source inverter (VSI) switches use hysteresis voltage control to produce firing signals by comparing the reference voltages to the actual load voltages. The proposed DVR consists of a PV source as an energy storage device, a Voltage Source Inverter (VSI), a Hysteresis voltage control to generate switching pulses, an LC filter, and a series transformer. The proposed topology does not use P, PI, PID controllers, artificial intelligence, or fuzzy techniques for compensation. Developed Simulink model by different conditions like 20% sag and 70% swell in grid voltage and observed the mitigation of voltage by DVR and harmonic analysis.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 11
  • Issue: 9
  • PageNo: 1530-1538

PV source in SRF–Controlled DVR system for enhanced voltage sag and swell conditions

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