POWER ELECTRONICS TRAINER (PBT)

Power Electronics Lab is used to perform power electronics circuit experiments. It is very useful in power electronics laboratories for performing power experiments in colleges and universities. It is very for student to know about the characteristics of power electronics devices and the applications of power devices. The applications or power devices are in alarm circuit, lamp flasher, rectifiers, choppers, inverters. It is also used for commutation circuits.

Description

TECHNICAL SPECIFICATIONS

DC Power Supply on Board:
± 5V at 250mA
± 15V at 250mA
0-15V at 250Ma
0-30V at 250mA

AC Power Supply on Board :
18V – 0V – 18V at 150mA
15V – 0V – 15V at 250mA
Firing Circuit on Board :

Digital Firing Circuit With PWM Control, Firing Angle Control. (2Nos)
UJT Firing Circuit

SCR Assembly:
4 SCRs 2P4M, 600V, 2A

Power Devices:
IGBT-IRFBC20S
MOSFET-IRF540
UJT-2N2646
DIAC-DB3
TRIAC-BT136
SCR-TYN604
Power Transistor 2N3055
PUT2N6027
Power Diode 16A
On board

Circuit Components on Board:
Capacitor 1uF (2Nos.)
Capacitor 10uF (2Nos.)
Capacitor 0.1uF (2Nos.)

Inductors:
10mH (1Nos.)
100uH (1Nos.)
10-0-10mH (1Nos)

Load Resistance using Rotary Switch:
100E, 220E, 500E, 1K, 2K2, each 5W

Resistance on Board:
10K,1/4W
100E/2W 2NOS
220E/2W 2NOS

Potentiometer:
1K (1Nos.)
10K (1Nos.)
Pulse Transformer on Board:

PT4503 1:1:1 (2Nos.)
Bread Board:

850 points bread board (2Nos.)
Salient Features:

Power Requirements: 220V ±10%, 50Hz

Instruction manual.
Protection Cover.
Patch Cords 2mm.
Supply provided through the 3 pin computer socket with appropriate fuse
The trainer is housed in Wooden cabinet.
Size of the trainer set 15”x11”

Pulse Transformer on Board:
PT4503 1:1:1 (2Nos.)

Bread Board:
850 points bread board (2Nos.)

Salient Features:
Power Requirements: 220V ±10%, 50Hz
Instruction manual.
Protection Cover.
Patch Cords 2mm.
Supply provided through the 3 pin computer socket with appropriate fuse
The trainer is housed in Wooden cabinet.
Size of the trainer set 15”x11”

EXPERIMENTS ON BOARD USING BREAD BOARD:
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.

The Equipment is Useful for Students at level in engineering / technical institutes (EC & Telecom) Technical training centers in communication organizations, R&D personal and practicing engineering in research labs and industry

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