Power Electronics & Drives Lab

Study of Single Phase A.C. Voltage Regulator Trainer Using TRIAC, Model: AVC – 104.



  • Power  Supplies  (Regulated,  Continuously  Variable  and  Short – circuiting proof),  suitable  for  the  experimental  board  are  builtin.
  • Circuit  is  printed  and  component  are  mounted  being  in  the  decorated  bakelite  sheet. 
  • Two  TRIAC  mounted  inside  the  panel.
  • Patch  cords  suitable  to  the  terminals  are  supplied  with  the  board  for  the  easy  inter  connections  and  longer  working  life  of  terminals.
  • A  complete  working  manual  containing  theory,  circuit  details  and  operating  instructions,  is  supplied  with  the  experimental  board.
  • A  ON / OFF  switch  with  indicating  lamp  is  provided.
  • Input Supply : 220 Volt, Single Phase, 50 Hz A.C.
  • Weight : 1.5 Kg Approximately
  • Dimension : 195mm × 315mm × 75mm



  1. To  study  of  single  phase  A.C.  Voltage  Regulator  with  Resistive  Load  and  Inductive  Load.
  2. Triac  Phase  Control


  1. A  General  purpose  C.R.O.
  2. Multimeter.
  3. Lamp  Load.  (Builtin)
  4. Inductive  Load.  (Optional  as  a  fan,  socket  builtin  the  board).

Note: There may be any change in specification due to continuous R & D without notice.

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