Three Phase Half Wave Converter Drive Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12801
Indian Lab Suppliers supplies the Three Phase Half Wave Converter Drive (Product ID: 12801) as part of its electronics engineering lab equipment range. It controls a DC shunt motor from a three-phase line-commutated thyristor converter with a separate firing card for each phase.
Quick Answer
Each phase has an identical card with zero-crossing detector, integrator, comparator and pulse generator, so one potentiometer shifts the firing angle of all three thyristors in the positive group together; high-frequency gated firing and three driver circuits with pulse transformers deliver the gate pulses. The negative group uses three diodes. Power comes through three 230:165 V, 0.5 A transformers, with 6 V AC and ±12 V, 200 mA supplies for the triggering circuits, and two 3½-digit panel meters measure voltage. The load is a ½ HP, 1500 rpm DC shunt motor. The board runs from 415 V, 50 Hz three-phase mains with a 0.5 A four-pole MCB. Please confirm at quotation whether you need this three-thyristor, three-diode arrangement or a thyristor-only three-pulse half-wave converter, and the motor voltages. Use an earthed supply, guard the motor shaft and work under qualified supervision; a 20 MHz dual-trace oscilloscope is needed.
Key Specifications
| Parameter | Detail |
|---|---|
| Converter | Three-phase line-commutated; positive group 3 thyristors, negative group 3 diodes |
| 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 × 230:165 V, 0.5 A; 6 V AC for triggering |
| Supplies | ±12 V DC, 200 mA |
| Motor | DC shunt, ½ HP, 1500 rpm (about 19 kg) |
| Meters | 2 × 3½-digit DPM |
| Mains | 415 V, 50 Hz, three phase; 4-pole MCB 0.5 A; 3 jewel lights |
| Size and weight | W 350 × D 450 × H 600 mm; board about 6 kg |
| Accessories | 23 shrouded 4 mm patch cords, BNC to 4 mm lead; 20 MHz dual-trace oscilloscope needed (not included) |
Where This Is Used
Used in electric-drives and power-electronics labs after single-phase work on the Single Phase Semi Converter Drive (Product ID: 12798) and the Single Phase Full Wave Converter Drive (Product ID: 12799). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How is the firing angle kept equal on all phases?
Three identical firing cards, one per phase, share one control potentiometer.
What motor is supplied?
A ½ HP, 1500 rpm DC shunt motor.
What supply is needed?
415 V, 50 Hz three-phase mains.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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