DIAC Characteristics 2518
Kit consists: One 0-40 volt dc regulated power supply, one fixed 40 volt ac power supply with potentiometer, one diac, one capacitor and two analog meters. Built in power supply, 230V mains operated Complete with working manual & patch cords.

TRIAC Phase Control 2519
Kit consists: Triac 400 volt 2 Amp, 1:1 isolated ac supply @ 0.5 amp, provision to connect lamp or small fan as load, diac RC firing circuit with two potentiometer, provision of points to measure/observe different waveforms upon CRO with 1:100 attenuation (provided). Built in power supply, 230V mains operated Complete with working manual & patch cords

Single Phase to Single Phase Midpoint Cycloconverter 2520
Set up consists: Four SCRs, one transformer, one midpoint tapped inductor, logic controlled firing control circuit. A selector switch is provided to obtain 1/2, 1/3 and 1/4 of input frequency f. Optoisolators are used for coupling of logic signals with the thyristors. Test points are given at different places for observations. A resistive load and an inductive load in form of small motor is provided. Built in power supply, 230V mains operated Complete with working manual & patch cords.

Single Phase Dual Converter 2521
Set up consists: Eight thyristors to form two bridges. L - C filter circuit, step down 150 volt AC supply @ 1Amp, circuit for firing control of thyristors. one analog centre zero ammeter and test points at various places, small dc shunt wound motor. Built in power supply, 230V mains operated Complete with working manual & patch cords.

DC Motor Speed Control (a) 2522
Set up consists: Silicone diode bridge with one SCR with phase control circuit to give variable dc for armature, fixed field supply, small dc shunt wound motor, double wound step down transformer, test points for observations. Built in power supply, 230V mains operated. Complete with working manual & patch cords.

SCR DC Motor Speed Control Using Chopper 2523
Kit consists dc regulated 100 volt supply, two silicone controlled rectifiers, one tapped inductor, two diodes, one series wound universal motor of 1/8 H.P. A small dc motor for tacho feedback, switch for open loop/close loop run, analog RPM meter, firing angle control circuit with rate feedback. loading arrangement with current meter. Test points for observations. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR DC Motor Speed Control Using Phase Controlled Rectifier 2524
Kit consists dc regulated 150 volt ac supply, two silicone controlled rectifiers, two diodes, one series wound universal motor of 1/8 H.P. A small dc motor for tacho feedback, switch for open loop/close loop run, analog RPM meter, firing angle control circuit with rate feedback. Loading arrangement with current meter. Test points for observations. Built in power supply, 230V mains operated Complete with working manual & patch cords.

Thyristor Circuit Breaker with Current Limiting 2525
Kit consists: DC 12 volt supply with lamp load and current limit resistors, two SCR, two keys for make-break operation, commutation capacitor with current sense circuit having variable adjustment. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR Commutation Methods Class A-E 2526
Kit consists: DC 30 volt supply with lamp load, two SCRs, two silicone diodes, two capacitors, one transistor. Sockets and patch cords to configure the class of commutation. Built in power supply, 230V mains operated Complete with working manual & patch cords.

SCR Bridge Inverter 2527
Set up consists :- Pulse generator (60-90 Hz nominal) with firing transformer, Four SCRs, one inductor one transformer, one capacitor, two analog meters and RL load to accomodate three lamps of different ratings. The input supply in form of DC 24 volt 6 Amp. Built in power supply, 230V mains operated Complete with working manual & patch cords.