Schneider ATV930D55N4 Variable Speed Drive

Product Introduction

The Schneider ATV930D55N4 is a high-power variable speed drive from the Altivar Process ATV900 series, developed to meet the requirements of heavy-duty industrial process applications. It is designed to supply and control three-phase synchronous and asynchronous motors, providing precise speed regulation, stable torque output, and optimized energy efficiency under demanding operating conditions.

This model supports motors rated up to 55 kW / 75 hp for light overload applications up to 120%, and up to 45 kW / 60 hp for heavy overload applications up to 150%. With a rated input voltage range of 380 VAC to 480 VAC, the ATV930D55N4 integrates seamlessly into standard industrial power infrastructures.

Engineered specifically for process-driven industries, the ATV930D55N4 emphasizes reliability, continuous operation, and performance stability under variable loads. It is well suited for critical industrial environments where uptime, control accuracy, and energy optimization are essential.

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Product Specifications

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Applications

• Oil and gas processing systems, including pumps and compressors operating under high load conditions

• Mining industry applications, requiring robust performance and high overload capability

• Mineral and metal processing plants, supporting heavy-duty conveyors, mills, and crushers

• Food and beverage industry, particularly water and wastewater treatment systems with continuous operation requirements

• Water treatment and wastewater treatment facilities, controlling high-capacity pumps and blowers

• Industrial process automation systems, integrated with PLC, DCS, and SCADA architectures

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Advantages

• High power handling capability, enabling control of large motors in demanding process environments

• Excellent overload performance, suitable for both light-duty and heavy-duty industrial applications

• Precise and stable motor control, ensuring smooth torque delivery and accurate speed regulation

• Energy efficiency optimization, reducing operational costs in long-running process systems

• Industrial-grade robustness, designed for harsh environments and continuous-duty operation

• Flexible system integration, supporting modern automation and communication architectures

FAQ

1. How does the ATV930D55N4 handle high torque requirements during heavy load operation?
   The drive uses real-time current and torque regulation through advanced vector control algorithms to maintain stable performance under heavy load conditions.

2. Can this drive operate both synchronous and asynchronous motors without hardware changes?
   Yes, motor type selection and tuning are performed through software configuration, allowing flexible motor compatibility.

3. What makes this drive suitable for heavy-duty process industries?
   Its design prioritizes high overload capability, continuous operation, and reliable control under variable process conditions.

4. How does the drive contribute to energy savings in process applications?
   By dynamically adjusting motor speed to match process demand, it minimizes unnecessary energy consumption.

5. Is the ATV930D55N4 designed for continuous 24/7 operation?
   Yes, it is engineered for continuous industrial operation with effective thermal management and protective monitoring.

6. How does the drive respond to rapid changes in load or process demand?
   Adaptive control algorithms enable fast torque and speed adjustments without destabilizing motor operation.

7. What protection features are included in the drive?
   The drive provides protection against overcurrent, overvoltage, undervoltage, overheating, and motor-related faults.

8. Can this drive be integrated into coordinated multi-drive systems?
   Yes, it supports synchronization and coordination functions suitable for master/slave and multi-motor configurations.

9. How does the drive assist maintenance and troubleshooting?
   Integrated diagnostics and real-time monitoring provide detailed operational data for maintenance planning.

10. Is the ATV930D55N4 compatible with modern industrial automation systems?
    Yes, it is designed for seamless integration with PLC, DCS, and SCADA platforms used in process industries.

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