Power electronics lab 33517B is an universal learning platform which is very useful to understand various concepts of power electronics like VI characteristics of the power electronic devices, single phase controlled rectifiers, DC to DC choppers etc. This Lab is provided with a bread board for testing their own circuits, built in AC & DC power supplies and exhaustive learning material.

Features

1. Self contained & easy to operate
2. Functional blocks indicated on board mimic
3. Breadboard provided for own circuit development
4. In built AC/DC Power Supplies
5. Onboard pulse generator with frequency and duty cycle control.
6. On board single phase controlled rectifier firing circuit
7. On board thyristor devices
8. On board pulse amplifier and isolation transformer
9. On board variable load and circuit components

Object

1. VI characteristics of power devices
2. Study of Single Phase Thyristor Firing Scheme
3. Single Phase Controlled Rectifiers
4. DC to DC Chopper
5. Single Phase Inverter
6. Own circuit Development
7. Optional circuit components for breadboard related experiments

Optional modules
Study of:

1. V-I characteristics of SCR
2. V-I characteristics of UJT
3. V-I characteristics of MOSFET
4. V-I characteristics of IGBT
5. V-I characteristics of DIAC
6. V-I characteristics of TRIAC
7. V-I characteristics of PUT
8. SCR triggered by 74121IC
9. SCR triggered by Op-Amp 741IC
10. UJT relaxation oscillator
11. R, RC (half wave & full wave) triggering circuit
12. SCR triggered by UJT
13. SCR triggered by 555IC
14. SCR triggered by PUT
15. SCR triggered by 74121IC
16. SCR triggered by Op-Amp 741IC
17. Lamp flasher using SCR
18. SCR alarm circuit

Technical Specifications

• Size of Breadboard   
  • 172.5 mm × 128.5 mm
• DC Power Supply   
  • +5 V, -5 V 500 mA,
  • +12V, -12 V 500 mA
  • +15 V, 250 mA
  •  +35V, -35V, 250 mA
• AC Power Supply   
  • 18V-0V-18V
  • 0V-15V
  • On board Firing Circuits
• 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%
• SCR Assembly     :     4 SCRs 2P4M, 400V/2A
• Power Devices     :     IGBT-G4BC20S, MOSFETIRFZ44N, UJT-2N2646, DIACDB3, TRIAC-BT136, PUT-2N6027
• Pulse transformer on board     :     2 nos. PT4502 1:1 and one is PT4503 1:1:1
• Circuit Components on board  
  • Electrolytic Capacitor 1uF, 63V
  • Metalized Capacitor 0.1uF, 63V
  • Metalized Capacitor 0.33uF, 63V
  • Diode 1N4007, Inductor 68mH,
  • Inductor 68mH, Inductor 10mH
• Load selector     :     6 load resistances- 47E/7W, 120E/5W, 270E/5W, 2K2/2W, 1K/1W, 1K/10W
• Test points     :     10 nos
• Power Supply (Mains)     :     220V/110V, 50Hz/60Hz

Included Accessories :

1. Bread boards     :     2 nos.
2. Connecting wires     :     20 nos.
3. 2mm to 1mm Patch cords     :     15 nos.
4. 2mm Patch cords (Red) 16”     :     4 nos.
5. 2mm Patch cords (Black)16’’     :     4 nos.
6. 2mm Patch cords (Blue) 16’’     :     12 nos.
7. Mains cord     :     1 no.

Optional :

1. Simtel Power Electronics Software
2. Digital Multimeter