Performance Improvement of the Cooling System for a Shipbuilding BLT High-Frequency Induction Heating Unit Using PLC-Based Inverter Control

Key Points

• This research aims to enhance the cooling efficiency and reliability of a high-frequency induction heating unit used in the shipbuilding production line.
• Implemented a PLC-based inverter control system for cooling management.
• Applied braking resistors to ensure stable acceleration and deceleration of fans during load changes.
• Utilized real-time measurement of temperature and pressure signals to continuously control fan speed based on load conditions.
• Stabilized cooling performance under varying load conditions.
• Improved pressure and temperature control.
• Reduced failure rates of the cooling system.
• Decreased thermal stress on the equipment.
• Ensured stable operation of the condenser fan.

Abstract