Three Phase Full Wave AC Voltage Controller Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12803
Indian Lab Suppliers supplies the Three Phase Full Wave AC Voltage Controller (Product ID: 12803) as part of its electronics engineering lab equipment range. It studies phase-angle control of a three-phase full-wave AC voltage controller feeding a built-in resistive load.
Quick Answer
In a full-wave controller both half-cycles of each phase are phase-controlled, so the RMS load voltage falls smoothly as the firing angle increases, without the DC component of a half-wave circuit. Three identical firing cards (zero-crossing detector, integrator, comparator and pulse generator), high-frequency gated firing and three pulse-transformer drivers are set by one potentiometer. Power is taken through three 415:50 V, 0.2 A transformers into a built-in three-phase resistive load, and two 3½-digit panel meters read AC voltage up to 300 V. It runs from 415 V AC, 50 Hz three-phase mains with a 0.5 A four-pole MCB. Please confirm the thyristor/diode arrangement of the power stage at quotation. Use an earthed supply and qualified supervision; a 20 MHz dual-trace oscilloscope is needed.
Key Specifications
| Parameter | Detail |
|---|---|
| Firing | 3 identical cards: zero-crossing detector, integrator, comparator, pulse generator; high-frequency gated firing; 3 pulse-transformer drivers |
| Control | Firing-angle potentiometer |
| Transformers | 3 × 415:50 V, 0.2 A; 6 V AC for triggering |
| Supplies | ±12 V DC, 100 mA |
| Load | Built-in three-phase resistive load |
| Meters | 2 × 3½-digit DPM, 0–300 V AC |
| Mains | 415 V AC, 50 Hz, three phase; 4-pole MCB 0.5 A; 3 jewel lights |
| Board | W 415 × H 165 × D 315 mm, about 7.3 kg |
| Accessories | 20 patch cords, 4 mm, 50 cm; 20 MHz dual-trace oscilloscope needed (not included) |
Where This Is Used
Used in power-electronics labs after the Three Phase Half Wave AC Voltage Controller (Product ID: 12802); the Three Phase Firing Circuit for 3 Phase AC Voltage Controller (Product ID: 12805) focuses on the firing circuit. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How does it differ from the half-wave controller?
Both half-cycles are controlled, so the load voltage has no DC component.
What does the operator adjust?
The firing angle, with one potentiometer for all three phases.
What load is used?
A built-in three-phase resistive load.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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