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Power Electronics Fundamentals TrainerVPL-PEL-LAB
DESCRIPTION

    VPL Power Electronics Lab is used to perform all the power electronics circuit experiments. It is very useful in power electronics laboratory for performing different experiments. It helps the student to know about the characteristics of power electronics devices and their applications. The applications of power devices are in alarm circuit, lamp flasher, rectifiers, choppers, inverters, etc. The trainer consists of different functional blocks marked clearly for easy understanding.

SPECIFICATIONS
  • Size of Breadboard : 172.5 mm 128.5mm
  • AC Power Supply on Board : 18V-0V-18V, 0V-15V
  • DC Power Supply on board : +5 V, -5 V 500 mA +12V, -12 V 500 mA +15 V, 250 mA +35V, -35V, 250 mA
  • Triggering Circuit on Board : 5 gate signal output. Frequency range : 30Hz to 900Hz Variable Amplitude : 12V PWM control of G1, G2, G3 and G4 Duty cycle control of “Gate” Signal is 0 to 100%
  • Single Phase Rectifier: Firing angle control 0 º-180 º variables
  • Firing Circuit on Board: Four gate signal output with isolation.
  • SCR Assembly: 4 SCRs 2P4M, 600V, 2A
  • Power Devices: IGBT-G4BC20S, MOSFET-IRF Z44N, SCR TYN 616, UJT-2N2646, DIAC-DB3, TRIAC-BT136, PUT- 2N6027
  • Circuit Components on Board : Electrolytic Capacitor 10uF, 63V; 1uF, 63V; Met. Capacitor 0.33uF, 63V; Diode 1N4007, Inductor 220uH, 4.7uH, 10mH.
  • Pulse transformer on Board : 2 nos. PT4502 1:1 and one is PT4503 1:1:1
  • Load : 6 load resistances- 47E/7W, 1K/1W, 1K/10W, 10K/10W, 120E/5W, 2K2/2W.
  • Test points : 10 nos.
  • Mains Supply : 230 V ±10 %, 50 Hz . 60 Hz on request
  • Fuse : 1A
  • PC Interface: Serial/USB Port
  • Accessories : Patch cords, multimeter, breadboards, power cord, operating manual
This trainer can be used to study the following :-
  • Study of the V-I characteristics of IGBT
  • Study of the V-I characteristics of MOSFET
  • Study of the V-I characteristics of SCR
  • Study of the V-I characteristics of UJT
  • Study of the V-I characteristics of DIAC
  • Study of the V-I characteristics of TRIAC
  • Study of the V-I characteristics of PUT
  • Study of the class A commutation circuit
  • Study of the class B commutation circuit
  • Study of the class C commutation circuit
  • Study of the class D commutation circuit
  • Study of the class E commutation circuit
  • Study of the class F commutation circuit
  • Study of R triggering circuit
  • Study of RC triggering circuit (half wave)
  • Study of RC triggering circuit (half wave)
  • Study of RC triggering circuit (full wave)
  • Study of the SCR triggered by UJT
  • Study of the SCR triggered by PUT
  • Study of the SCR triggered by 74121IC
  • Study of the SCR triggered by Op-Amp 741IC
  • Study of the SCR triggered by 555 IC
  • Study of the UJT relaxation oscillator
  • Study of the UJT as a firing circuit
  • Study of the ramp and pedestal triggering circuit with antiparallel SCR in AC load
  • Study of the voltage commutated chopper
  • Study of the current commutated chopper
  • Study of the series inverter
  • Study of the Bedford inverter
  • Study of the single phase PWM inverter using MOSFET and IGBT
  • Study of the half wave controlled rectifier with R load
  • Study of the half wave controlled rectifier with R and RL load
  • Study of the Full wave controlled mid-point rectifier with R load
  • Study of the Full wave controlled mid-point rectifier with R and RL load
  • Study of the fully controlled Bridge rectifier with R load.
  • Study of the fully controlled Bridge rectifier with R and RL load.
  • Study the operation of lamp flasher using SCR
  • Study the operation of SCR alarm circuit.
Downloads
16_POWERELECTRONICS_LAB_05.PDF
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