SCOPE OF LEARNING:
• To study the characteristics of SCR and plot it’s V-I Characteristics.
• To study the Gate control characteristics of SCR and It's graph.
• To study the characteristics of UJT
• To study the characteristics of MOSFET.
SCOPE OF LEARNING:
• To study the characteristics of SCR and plot it’s V-I Characteristics.
• To study the Gate control characteristics of SCR and It's graph.
• To study the characteristics of UJT
• To study the characteristics of MOSFET.
• To study the characteristics of IGBT.
• To study the characteristics of DIAC and plot it’s V-I Characteristics curve.
• To study the V-I characteristics of TRIAC.
• To study the characteristics of PUT.
• To study the Resistor Triggering circuit.
• To study the Resistor-Capacitor Triggering Circuit (Half wave).
• To study the Resistor-Capacitor Triggering Circuit (Full wave).
• To study the triggering of SCR using UJT.
• To study the digital firing circuit.
Using SCR
Using TRIAC
Using UJT
Using MOSFET
Using IGBT
• To study the characteristics of power transistor.
• To SCR Half Controlled Rectifier
• To study Full Controlled Rectifier
• To Study UJT as Relaxation Oscillator
• APPLICATIONS OF TRIAC
(1) TRIAC SWITCHING CIRCUIT
(2) TRIAC AS AC PHASE CONTROL.
SALIENT FEATURES:
• Front panel built with high class insulated Printed Circuit Board sheet with well printed circuits and symbols.
• Instruction manual.
• Patch Cords 2mm Both.
• High Voltage Test Points are Provided With 2mm Safety Sockets
TECHNICAL SPECIFICATIONS:
Power Supplies:
• ± 5V at 250mA
• ± 15V at 250mA
• 0-15V at 250Ma
• 0-30V at 250mA
• 18V - 0V - 18V at 150mA
• 15V - 0V - 15V at 250mA
• Operated on Mains power 230V, 50Hz +10%
Digital Meters:
• Voltmeter/Ammeter Dual Range 20V/20mA
• Ammeter Dual Range: 20mA/200mA
• Voltmeter Dual Range: 20V/200V
Components mounted on the panels are:
• SCR Assembly: 4 SCR TYN604, 600V, 2A Load Resistance using Rotary Switch:
• MOSFET Assembly: 4 MOSFET IRF540 120E, 220E, 500E, 1K, 2K2, 10K each 5W
Power Devices: Resistance on Board:
• IGBT-IRFBC20S • 10E,5W
• MOSFET-IRF540 • 47E,5W
• UJT-2N2646 • 47K,1W
• DIAC-DB3 • 100K,1W
• TRIAC-BT136 • 10K,1/4W
• SCR-TYN604 • 10K,10W
• Power Transistor 2N3055 • 1K,10W
• PUT2N6027 • 4.7K,1/4W
• Power Diode 8A (2Nos.) • 2K,1W
Capacitors on Board: Potentiometer:
• Capacitor 103K • 470K (1Nos.)
• Capacitor 473K • 10K (1Nos.)
• Capacitor 1uF Pulse Transformer on Board:
• Capacitor 334K • PT4503 1:1:1
• Capacitor 10uF
Inductors: Bread Board:
• 10mH • 850 points bread board (2Nos.)
• 50uH
• 220Uh
• 5uH
Firing Circuit on Board: Load:
• Line Synchronization Firing Control Circuit. • Lamp
• PWM Firing Control Circuit (Frequency Control). • DC Motor 12V
• Cycloconverter Firing Control Circuit.
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