AI Tutor

Premium Lesson

Upgrade to unlock this lesson, practice questions, and your personal tutor.

This lesson is part of a track

Public learning track

AC Phase Control with Triacs and Diacs

11th Grade · Technology · UK A-Level

9 lessons

Goal

Analyse and design AC phase control circuits using RC phase-shift networks, diacs, and triacs for smooth, bidirectional power control.

9 lessons
0 of 9 done
  1. Triac Bidirectional Structure and Operating QuadrantsUp next
  2. Diac Breakover Characteristics and Triggering PulsesNot started yet
  3. RC Phase-Shift Networks in AC Timing CircuitsNot started yet
  4. Calculating Firing Delay Angles in Phase ControlNot started yet
  5. Circuit Diagram and Waveform Analysis of a Triac Lamp DimmerNot started yet
  6. Calculating RMS Load Voltage and Power Under Phase ControlNot started yet
  7. Hysteresis and Flash-on Effects in Simple RC TriggeringYou are here
  8. Electromagnetic Interference and RF Filtering in Triac CircuitsNot started yet
  9. Inductive Load Commutation and Snubbers in Triac CircuitsNot started yet
View full track

Learning standards covered

gbELEC-21.2General Certificate of Education Advanced Level (UK A-Level) · Electronics · 11th Grade

the circuit diagram and graphs for an AC phase control circuit, using an RC network, a triac and a diac and calculations of the phase shift between the supply voltage and capacitor voltage]