Firing Circuit Using Ramp Comparator Scheme

Power Electronic Training Board has been designed specifically for the study of the firing circuit for single-phase converter using Ramp Comparator Scheme. Practical experience on this board carries great educative value for Science and Engineering Students.

Object:

• To study the firing circuit for single-phase converter using Ramp Cooperator Scheme.

Features:

The board consists of the following built-in parts:

• 6VAC at 100mAAC Power Supply
• ±12V DC at 100mA fixed regulated Power Supply
• Two Op-Amp’s. IC
• Quad, Ex-OR gate IC
• Triple, 3 input AND gate IC
• Hex inverter gate IC
• Quad, two input AND gate IC
• Two NPN Transistor
• Potentiometer for reference voltage adjustment
• Pulse Transformer 1: 1
• Adequate no. of other Electronic Components
• Mains ON/OFF switch, Fuse and Jewel light
• The unit is operative on 230V ±10% at 50Hz A.C. Mains
• Adequate no. of patch cords stackable 4 mm spring loaded plug length ½ meter
• Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms
• Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References
• Weight: 3 Kg (Approx.)
• Dimension: W 340 x H 110 x D 210

Other Apparatus Required:

• Dual Trace Cathode Ray Oscilloscope 20MHz (Unearthed)
• OPTIONAL : Unit for above experiment to work as a load having
• Isolation Transformer 50 watt.
• Lamp 40 watt
• SCR 400V 4A
• Mains ON/OFF switch, Fuse & Jewel light