AC Regulators using Triac, anti parallel Thyristor and Triac & Diac with Power Supply Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12898
Indian Lab Suppliers supplies the AC Regulators using Triac, anti parallel Thyristor and Triac & Diac with Power Supply (Product ID: 12898) as part of its electronics engineering lab equipment range. It builds three single-phase AC voltage regulators, using a TRIAC, two SCRs in anti-parallel, and a TRIAC with a DIAC and RC trigger.
Quick Answer
In the first two circuits a UJT oscillator, fed from a 9 V DC, 100 mA zener-regulated supply, fires the TRIAC or the anti-parallel SCR pair through a 1:1:1 pulse transformer, and a potentiometer sets the firing angle. The third circuit replaces the UJT with an RC network and DIAC, the arrangement used in simple lamp dimmers. Each regulator controls a 40 W, 230 V lamp from a 50 W, 230 V AC isolation transformer, and a second potentiometer varies the load. The board runs from 230 V ±10%, 50 Hz mains; the output is at mains voltage.
Key Specifications
| Parameter | Detail |
|---|---|
| Experiments | AC regulator with TRIAC; with anti-parallel SCRs; with TRIAC and DIAC (RC trigger) |
| Devices | TRIAC, DIAC, 2 SCRs, UJT |
| Firing | Pulse transformer 1:1:1; firing-angle potentiometer |
| Isolation transformer | 230 V AC, 50 W |
| Control supply | 9 V DC, 100 mA, zener regulated |
| Load | Lamp, 40 W, 230 V AC, with load potentiometer |
| Mains | 230 V ±10%, 50 Hz; ON/OFF switch, fuse and indicator lamp |
| Connections | 4 mm stackable patch cords, 0.5 m |
Where This Is Used
Used with the Study of Triac and A.C.Phase Control (Product ID: 12882) and the Lamp Dimmer Using Diac and Triac with Power Supply (Product ID: 12912) in AC power-control practicals. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
Why use two SCRs in anti-parallel?
Each SCR handles one half cycle, giving full-wave AC control.
What does the DIAC do?
It gives a sharp trigger pulse to the TRIAC when the capacitor voltage reaches its breakover level.
What is the load?
A 40 W, 230 V lamp.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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