Technology Labs
BEL-PET: Power Electronics Trainer
Coverdifferent power electronics devices i.e. Thyristors.
On-boardpassive & active components.
IEEESymbol of all components provided on the PCB.
Characteristics and application study of different types of power electronics devices i.e. THYRISTORS (SCR (TYN604), TRIAC(BT-136), DIAC(DB-3), UJT(2N2646), PUT (2N6027), MOSFET(IRF-Z44N),BJT PNP(BC-557), BJT NPN (BC-547))
Oscillator (IC 555 ) with a tuning pot should be provided
12 TAP Transformer with different number of windings
Pulse Width Modulation section with a tuning pot to display HPWM & LWPM
MOSFET bridge circuit with a motor output
Resistor bank (29 Resistors)
Range from : 10Ω to 910 K (¼ watt)
Different wattage Resistors (8 Resistors)
Range from : 0.1Ω to 1M Ω
Range from : 1/2 W to 5 WCapacitor Bank (11 capacitors)
Range from : 0.01µF to 220nF
Inductor ½W : 100µH
Potentiometer bank (4 pots)
Range from : 100Ω to 500KΩ
Diode Bank (10 diodes)
1N4007_5 nos.
1N5819_5 nosPower Supply : 30V AC & 12V DC
Using SCR
Study of rectifier half wave control
Study of full wave controlled rectifier
Study of DC to AC inverter
AC power flasher using SCR
Lamp Dimmer Circuit using DIAC-TRIAC
DC to DC converter (dual)
Low voltage lamp flasher using PUT and SCR
LED flasher using SCR and UJT
Study SCR triggering using IC555
SCR time delay relay
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