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Three phase fully/half controlled bridge rectifier with resistive and inductive loads


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Three phase fully/half controlled bridge rectifier with resistive and inductive loads

Three phase fully/half controlled bridge rectifier with resistive and inductive loads

Features:

  • Overload protection
  • High performance
  • Low maintenance

Other Details:

  • Completely self – contained stand – alone unit.
  • Demonstrates the principle and working of 3 φ Half Wave Controlled Rectifier using SCR.
  • Trigger circuit separate for each phase.
  • Trigger circuit using Ramp Comparator Scheme.
  • Step down 3 φ AC supply 110V star connected is provided so that phase control can be observed on lamp.
  • Resistive ( lamp ) and RL load is provided.
  • Firing angle can be controlled from about 300 to 1700.
  • Firing angle potentiometer is provided.
  • 3 φ Bridge consisting of 3 SCR’s and 3 diodes.
  • Supply required 3 φ 440V, 50Hz AC.
  • Test points at various stages in the circuit, to observe the voltages and waveforms.
  • Set of patch cords provided.
  • Housed in an elegant cabinet with a well spread intelligently designed circuit layout on the front panel.
  • Strongly supported by a comprehensive manual complete with theory and operating details.

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Experiment

Experiments:
  • To study the nature and generation of Control Signal for 3 phase Halfwave Controlled Rectifier.
  • To study the operation of a 3 phase Halfwave Controlled Bridge Rectifier with R Load.
  • To study the operation of a 3 phase Halfwave Controlled Bridge Rectifier with R - L Load.
  • To study the effect of Free Wheeling Diode on the output waveform.
  • To study the nature and generation of Control Signal for 3 phase Fullwave Controlled Rectifier.
  • To study the operation of a 3 phase Fullwave Controlled Bridge Rectifier with R Load.
  • To study the operation of a 3 phase Fullwave Controlled Bridge Rectifier with R - L Load.
  • To study the effect of Free Wheeling Diode on the output waveform.