Firing Circuit Using Cosine Wave Scheme

Firing Circuit Using Cosine Wave Scheme .

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

Object:

• To Study firing circuit for single-phase converter using Cosine-Wave Comparator Scheme

Features:

The board consists of the following built-in parts:

• 6VAC at 100mA, AC Power Supply
• ±12V DC at 100mA fixed regulated Power Supply
• Six Op-Amps IC
• Triple, 3 input AND gate IC
• Four NPN Transistor
• Two Potentiometer
• Two Pulse Transformer 1:1:1
• 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 : 4 Kg. (Approx.)
• Dimension : W 412 x H 150 x D 310

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