Power Electronics Lab
DC Power Supply +5 V, 5 V 500 mA, +12V, 12 V 500 mA +15 V, 250 mA +35V, 35V, 250mA 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, PUT2N6027 mentioned solid state devices or equivalent 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.