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UJT Trigger Circuits (Half-Full)


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UJT Trigger Circuits (Half-Full)

UJT Trigger Circuits (Half-Full)

UJT Triggering
There are various methods of triggering. Here we are going to see how the SCR can be triggered with the help of Resistor, resistor and capacitor, then by UJT (Uni-Junction Transistor). Triggering method vary with this and output waveform.

FEATURES

  • Consists of three types of basic firing circuit to trigger SCR
  • Separate sections for  UJT firing circuit
  • One potentiometer used to vary the firing angle of UJT firing circuit

UJT circuit

  • 1:1 Pulse transformer used for pulse isolation in UJT firing circuit
  • One no. of SCR with Snubber circuit forms half wave controlled converter circuit for checking all three firing circuit.
  • Separate inbuilt power supply for R, RC and UJT triggering unit
  • Power ON indication Switch for power circuit and triggering module.
  • All the important points are terminated with banana connector for monitor/measure/ study the signals using any one of measuring equipments.

EXPERIMENTS

  • Design of firing scheme for SCR using UJT method

TECHNICAL SPECIFICATION

  • Kit Working voltage     :(220-240)VAC
  • Input Voltage             :110 V AC
  • Input Current             :2A
  • Frequency                 :50/60Hz 

BUNDLE CONTENTS

  • UJT Triggering Circuit
  • Patch cards
  • 6A power supply card
  • 3A Fuse (Extra)
  • Manual
  • 100W Lamp

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