SCR Triggering Circuit Using

SCR Triggering Circuit Using .

Power Electronic Training Board has been designed specifically for the study of SCR Triggering using This Training Board gives a better understanding on the operation of Signal Conditioner and Pulse Generator Practical experience on this board carries great educative value for Science and Engineering Students.

Object:

To perform the following experiments :

• SCR triggering with controlled gate pulses
• Change of firing angle in response to the change in reference voltage
• Functioning of Signal Conditioner and Pulse Generator
  

Features:

The board consists of the following built in parts:

• + 15V, +10V D.C. at 50mA, IC Regulated Power Supply internally connected
• + 5V D.C. at 50mA, IC Regulated Power Supply Isolated
• Synchronising Signal
• 24V at 300mAA.C. supply
• Signal Conditioner and Pulse Generator IC TCA-785
• Op to Coupler
• SCR 100V/1Amp
• Transistor BC-107
• 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 metre
• 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)
• Bulb 24V/7W