Single phase fully-controlled Bridge Converter Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12892
Indian Lab Suppliers supplies the Single phase fully-controlled Bridge Converter (Product ID: 12892) as part of its electronics engineering lab equipment range. It is a four-SCR single-phase fully controlled bridge converter with UJT firing, driving a 40 W lamp load.
Quick Answer
Two UJT oscillators, each with its own firing-angle potentiometer, fire the four SCRs through two 1:1:1 pulse transformers, one SCR pair on each half cycle. Students vary the firing angle and observe how the average output voltage on the 40 W, 230 V lamp changes. Power comes through a 50 W, 230 V AC isolation transformer, and the firing circuits use a 9 V DC, 100 mA zener-regulated supply. The board runs from 230 V ±10%, 50 Hz mains; the output is at mains voltage, so connect it with the power off.
Key Specifications
| Parameter | Detail |
|---|---|
| Power stage | 4 SCRs in full bridge |
| Firing | 2 UJTs, 2 pulse transformers 1:1:1, 2 potentiometers |
| Isolation transformer | 230 V AC, 50 W |
| Control supply | 9 V DC, 100 mA, zener regulated |
| Load | Lamp, 40 W, 230 V AC |
| 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 Effect of free wheeling diode in Single phase Fully-Controlled Bridge Converter with Power Supply (Product ID: 12909) and the Single phase Half Wave Controlled Converter (Product ID: 12896) in controlled-rectifier practicals; the Single Phase Half Wave and Bridge Controlled Rectifier (Product ID: 12933) uses the same components and adds a half-wave experiment. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How does the output change with firing angle?
For a resistive load the average output falls as the firing angle is increased.
How many SCRs are used?
Four, in a full bridge.
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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