SCR Single Phase Half-Full Controlled Bridge Converter Trainer

The SCR Single Phase Half-Full Controlled Bridge Converter is designed for studying single-phase half-full controlled bridge converter circuits using SCR firing techniques with R and RL loads. It provides a practical platform for understanding controlled rectification, SCR triggering, AC-to-DC conversion, and load characteristics. The trainer includes digital meters, power supply arrangements, protection features, and essential circuit components for practical experimentation. The unit is housed in a metal cabinet with a clearly printed insulated circuit board for convenient operation. Designed and manufactured by Atico Export to meet the practical demands of modern laboratories.

Scope of Learning

• Study of SCR single-phase half-full controlled bridge converter using firing techniques.
• Analysis of R and RL loads.

Digital Meters:

• Voltmeter: 2000 V AC.
• Voltmeter: 2000 V DC.
• Ammeter: 2 A DC.

Power Supply:

• +15 V / 150 mA.
• Isolated supply: 0–220 V or 24 V at 1 A.
• Mains operated: 230 V, 50 Hz ±10%.

Components Mounted on Panel:

• SCR.
• Diodes.
• AC phase control by gate control firing circuit.
• Inductive load.
• Resistive load with lamp and 20 W resistor.

• Protective cover.
• Front panel with high-class insulated printed circuit board featuring clearly printed circuits and symbols.
• Fuse protection for short-circuit conditions.
• Instruction manual.
• Connections through 4 mm and 2 mm coloured sockets.
• 4 mm and 2 mm patch cords.
• Housed in a metal cabinet.
• Trainer size: 15 × 11 inches.