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Permanent Magnet Direct Drive (PMDD) Pulley Used in Building Materials Industry

Case Study

Batch Application of 380V 160kW Permanent Magnet Pulley Motors in Belt Conveyor Systems

Project Overview

CWEEC (Chuneng) New Materials Co., Ltd. has successfully implemented 380V 160kW permanent magnet direct drive systems across multiple belt conveyor lines at Qichun project, achieving remarkable energy savings, reduced maintenance costs, and enhanced operational reliability.

Key Specifications

Drive System	Permanent Magnet Direct Drive Pulley (PMDD Pulley Motor)
Power Rating	160kW
Voltage	380V
Application	Bulk material handling conveyors (e.g., aggregates, minerals, or customized materials)
Batch Scale	5 units deployed across 5 conveyor lines

Advantages Demonstrated

• Energy Efficiency

20-30% higher efficiency compared to traditional induction motors, reducing power consumption by approximately 20% per unit.
Automatic torque adjustment eliminates slippage losses.

• Low Maintenance

Brushless design and sealed bearings extend service life to over 50,000 hours.
80% reduction in mechanical wear parts (no gearbox, coupling, or liquid starter required).

• Smart Control Integration

Built-in PLC compatibility enables remote monitoring and variable speed control via [SCADA/IoT platform name].
Real-time temperature and vibration protection.

• Space Optimization

Direct-drive configuration saves 40% installation space versus conventional drive systems.

Technical Highlights

Load Adaptability	Maintains >90% efficiency at 30-100% load ranges
Startup Performance	2.3x starting torque without current surge
Certifications	ISO 9001, CE, and GB/T IEC compliant