Single Phase Full Wave Converter Drive Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12799
Indian Lab Suppliers supplies the Single Phase Full Wave Converter Drive (Product ID: 12799) as part of its electronics engineering lab equipment range. It controls a DC shunt motor with a single-phase fully controlled SCR bridge fired by a ramp-comparator circuit.
Quick Answer
The firing circuit compares a ramp synchronised to the 6 V AC reference with a DC level set by the firing-angle potentiometer, and its pulses reach the SCRs through a 1:1 pulse transformer. With all four bridge arms controlled, the average output voltage becomes negative beyond 90° firing angle with continuous current, allowing inversion, which a semi converter cannot do. The board has four SCRs, four diodes, six op-amps, AND gate ICs, two NPN transistors, ±12 V DC supplies and two 3½-digit panel meters, and drives a ½ HP, 1500 rpm (no-load) DC shunt motor. It runs from 230 V AC, 50/60 Hz with a 2 A MCB; a 20 MHz dual-trace oscilloscope is needed and not included. Please confirm the motor armature and field voltages at quotation.
Key Specifications
| Parameter | Detail |
|---|---|
| Converter | Single-phase full wave: 4 SCRs, 4 diodes |
| Firing circuit | Ramp comparator with 6 op-amps, AND gate IC, 2 NPN transistors, 1:1 pulse transformer |
| Control | Firing-angle potentiometer |
| Supplies | 6 V AC 100 mA; ±12 V DC 100 mA regulated |
| Meters | 2 × 3½-digit DPM for voltage |
| Motor | DC shunt, ½ HP, 1500 rpm no load (about 20.6 kg) |
| Mains | 230 V AC, 50/60 Hz; 2 A single-pole MCB, fuse |
| Board | W 415 × H 165 × D 315 mm, about 5.2 kg |
| Accessories | 25 shrouded 4 mm patch cords (50 cm and 100 cm) |
| Also needed | 20 MHz dual-trace oscilloscope (not included) |
Where This Is Used
Used in power-electronics and electric-drives labs alongside the Single Phase Semi Converter Drive (Product ID: 12798). Mains voltage and a rotating motor are involved, so use an earthed supply, guard the shaft and work under qualified supervision. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What can a full converter do that a semi converter cannot?
Give negative average voltage at firing angles above 90°, so power can flow back to the supply.
How many SCRs are used?
Four.
Is an oscilloscope included?
No, a 20 MHz dual-trace oscilloscope is required separately.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Engineering Lab Equipment
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