Project Overview

A mining company upgraded its mine hoist system with SUNSIN’s four-quadrant VFD solution to achieve smoother operation, higher efficiency, and improved safety.

Customer Challenges

• High torque demand during lifting and lowering
• Frequent acceleration and braking operations
• Need for reliable operation in harsh mining environments

SUNSIN Solution

Sunsin provided a Medium Voltage Four-Quadrant VFD System with advanced control technology, enabling:

• Precise speed and torque control
• Smooth lifting and braking performance
• Regenerative energy feedback
• Stable and reliable operation

Project Results

✓ Improved hoist operating stability
✓ Reduced mechanical impact and maintenance costs
✓ Enhanced energy efficiency
✓ Extended equipment service life

Application

• Underground mine hoist
• Shaft lifting system
• Mining transportation equipment
• Heavy-duty lifting machinery