Integrated MCC System for Complete Paper Mill Line
A well-engineered Motor Control Center is fundamental to achieving high availability and low energy consumption in any paper processing line. This paper mill plant machinery consolidates all motor starters, variable frequency drives, and protection devices into a unified panel, dramatically reducing field wiring and installation time. The MCC system offers precise control for every drive on the paper machine, from high-power refiners and fan pumps to auxiliary agitators and conveyor drives. Each section includes short-circuit and overload protection, with modular draw-out units for easy maintenance.
The MCC’s variable frequency drives provide soft starting and energy optimization for centrifugal loads, significantly reducing peak demand charges. Advanced communication protocols enable the paper making machine’s control system to monitor motor status, current draw, and fault alarms in real time, allowing predictive maintenance and rapid fault response. With IP-rated enclosures and corrosion-resistant finishes, this MCC is built for the harsh, humid environment of a paper mill. By integrating your entire drive fleet into a single MCC, you streamline operations and enhance the reliability of your complete paper mill line.
Main Specifications – MCC for Paper Machine Drives
| Section | Equipment Type | Typical Power Range | Control Type | Protection Features |
|---|---|---|---|---|
| Incoming Switchgear | Frame Circuit Breaker | Up to 6300A | Manual/Electric | Overcurrent, short circuit |
| Hydrapulper Drive | AC Drive | 132 – 560 kW | VFD | Motor thermal, phase loss |
| Double Disc Refiner | AC Drive | 900 kW | VFD | Overload, ground fault |
| Fan Pump Drive | AC Drive | 185 – 280 kW | VFD | Overcurrent, stall protection |
| Agitator Motor | DOL Starter | 15 – 22 kW | Direct-on-line | Thermal relay |
| Coarse Screen Motor | AC Drive | 75 – 132 kW | VFD | Electronic overload |
| Power Compensation | Capacitor Bank | 360 KVA each | Automatic | Harmonic filtering |
| Multifunction Meter | ACR220E | – | Digital display | Voltage, current, power |
| Surge Protection | SPD | 400V/200kA | Passive | Overvoltage clamping |
Leizhan delivers fully engineered MCC systems as an integral part of your paper machine project. Our MCC cabinets are manufactured with high-grade materials, clearly labeled circuits, and ample space for future expansion. We support all major communication protocols, ensuring seamless integration with your existing DCS and MCS. Whether you are upgrading an older paper machine or building a new turnkey paper production line, Leizhan provides custom MCC solutions backed by detailed schematics and commissioning support. To discuss your power distribution and motor control needs, please email leizhanworld@gmail.com.
