Triac Characteristics For Electrical Lab Training

Triode Thyristor.Practical experience on this board carries great educative value for Science and Engineering Students. Object: 1. To study the gate characteristics of a TRIAC in the following modes : (a) Mode I+ : i.e. T2 positive with respect to T1 and gate positive with respect to T 1 (b) Mode I- : i.e. T2 positive with respect to T1 and gate negative with respect to T 1 (c) Mode III+ : i.e.T2 negative with respect to T1 and gate positive with respect to T 1 (d) Mode III- : i.e. T2 negative with respect to T1 and gate negative with respect to T 1 2. To study the terminal characteristics of a TRIAC in the following modes : (a) Mode I+ : i.e. T2 positive with respect to T1 and gate positive with respect to T 1 (b) Mode III+ : i.e. T2 negative with respect to T1 and gate positive with respect to T 1 3. To study the following applications of TRIAC : (a) Triac as a static switch (D.C. control). (b) Control of A.C. with A.C. signal. (c) To measure the holding current of IH. Triac. FEATURES The board consists of following built-in parts: 01. 0-70V D.C. at 100mA, regulated Power Supply. 02. 0-3V D.C. at 30 mA, regulated Power Supply. 03. 55 Volt at 100mA, fixed A.C. Supply. 04. 7 Volt at 30mA, fixed A.C. Supply. 05. D.C Ammeter, 65mm rectangular dial with switch selectable ranges of 10mA and 100mA. 06. D.C Ammeter, 65mm rectangular dial to read of 0-30mA. 07. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 5V and 100V. 08. TRIAC. 09. Three Potentiometers. 10. Reset switch. 11. Adequate no. of other electronic components. 12. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections / observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight : 3 Kg. (Approx.) Dimension : W 340 x H 110 x D 210 Other Apparatus Required Cathode Ray Oscilloscope 20MHz