Single phase AC voltage controller

Versione 1.0.0 (41,5 KB) da Abdelrahman Farghly
A Single-Phase AC Voltage Controller is a power electronic device used to control the RMS voltage supplied to a load by phase-angle control
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Aggiornato 10 mag 2025

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Basic Operating Principle
  • It adjusts the RMS value of the output voltage by controlling the conduction angle of the AC waveform.
  • Uses thyristors (SCRs) or triacs to switch the AC voltage on and off within each half-cycle.
🔧 Types of Control
1. Phase-Angle Control
  • Controls the firing angle (α) of the thyristor.
  • The thyristor conducts after a delay in each half-cycle.
  • Output voltage is a portion of the input sine wave.
2. On-Off Control (Integral Cycle Control)
  • Entire cycles of AC are turned ON or OFF.
  • Good for heating applications (thermal inertia smooths out output).

Cita come

Abdelrahman Farghly (2025). Single phase AC voltage controller (https://it.mathworks.com/matlabcentral/fileexchange/181111-single-phase-ac-voltage-controller), MATLAB Central File Exchange. Recuperato .

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Versione Pubblicato Note della release
1.0.0