SCHNEIDER ATV930D37N4Z Frequency Converter for Heavy Duty Pump Applications 66.2A 37kW

The SCHNEIDER ATV930D37N4Z is a robust Variable Speed Drive (VSD) engineered for demanding industrial pump applications. This 37kW, 66.2A frequency converter delivers exceptional performance, energy efficiency, and reliability, making it a premier choice for heavy-duty pumping systems. Its advanced features include superior motor control, comprehensive protection mechanisms, and seamless integration capabilities, ensuring optimized operation and reduced downtime in critical processes. The ATV930 series is designed to meet the stringent requirements of various sectors, including water management, oil and gas, and heavy manufacturing, where consistent and efficient fluid handling is paramount.

Product Specifications

| Feature                 | Specification                                 |

| :---------------------- | :-------------------------------------------- |

| Product Name            | SCHNEIDER ATV930D37N4Z Frequency Converter   |

| Rated Power             | 37 kW                                         |

| Rated Current           | 66.2 A                                        |

| Voltage                 | 380-400 V                                     |

| Input Frequency         | 50/60 Hz                                      |

| Output Frequency        | 0...599 Hz                                    |

| Protection Class        | IP21 (with optional conformity kit IP55)      |

| Mounting Type           | Wall-mounted                                  |

| Dimensions (H x W x D)  | 520 mm x 318 mm x 304 mm                      |

| Weight                  | 26 kg                                         |

| Ambient Temperature     | -15...+50 °C without derating                 |

| Harmonics                 | Meets IEC 61000-3-12 with filter |

| Motor Control Type      | Sensorless flux vector control                |

Core Features & Market Positioning

The SCHNEIDER ATV930D37N4Z stands out in the heavy-duty VSD market due to its advanced Altivar Process technology, specifically optimized for pump applications. This VSD offers superior energy savings through precise speed control, significantly reducing energy consumption compared to fixed-speed drives. Its robust design ensures reliability in harsh environments, a critical factor for industrial pump systems. The ATV930 series is positioned as a high-performance, intelligent drive that integrates seamlessly into modern industrial automation architectures, including IIoT platforms, providing advanced diagnostics and predictive maintenance capabilities. This focus on process optimization and operational efficiency differentiates it from standard VSD offerings.

Key Application Scenarios

This frequency converter is ideally suited for a wide array of heavy-duty pump applications. It excels in municipal water supply and wastewater treatment plants, where precise flow and pressure control are essential for efficiency and resource management. In the oil and gas sector, it is employed in applications such as crude oil transfer, pipeline pumping, and process fluid circulation, demanding high reliability and robust performance under challenging conditions. Furthermore, it finds extensive use in industrial manufacturing for circulating cooling water, managing hydraulic systems, and driving large process pumps where variable speed is required to match fluctuating demand, thereby optimizing energy usage and mechanical wear.

Practical System Integration Guidance

Integrating the SCHNEIDER ATV930D37N4Z into existing pump systems is streamlined through its versatile connectivity and configuration options. The VSD supports various communication protocols, including Modbus, Ethernet/IP, and Profibus, facilitating easy integration with SCADA systems and PLCs for remote monitoring and control. Wiring best practices involve ensuring proper grounding, using shielded motor cables to minimize electromagnetic interference, and adhering to the specified power cable gauges to handle the 66.2A current. Initial commissioning involves setting motor parameters, defining application-specific functions (e.g., pump stop/start logic, speed ramps), and configuring protection thresholds to match the pump and system characteristics. The intuitive onboard interface and PC-based software (SoMove) simplify parameterization and diagnostics.

Operation and Risk Mitigation

Safe and efficient operation of the SCHNEIDER ATV930D37N4Z requires adherence to established safety protocols. Users must ensure the drive is properly installed in a well-ventilated area, away from excessive dust and moisture, or utilize the appropriate IP55 conformity kit for enhanced protection. Key operational risks, such as motor overheating or system over-pressurization, are mitigated by the drive's comprehensive protection features, including thermal overload protection, phase loss detection, and under/over-voltage monitoring. Error codes displayed on the drive's interface provide quick diagnostics for troubleshooting; for instance, error E050 typically indicates an overload condition, prompting a review of motor load or ambient temperature, while E060 might suggest a motor phase issue. Regular maintenance, including cleaning of cooling fins and checking electrical connections, further minimizes operational risks.

Scalability & Long-Term Value

The SCHNEIDER ATV930D37N4Z offers significant scalability and long-term value for industrial operations. Its modular design allows for the addition of optional communication cards and I/O modules, enabling expansion of control and monitoring capabilities as system requirements evolve. Compatibility with Schneider Electric's EcoStruxure platform enhances its value by enabling integration into a broader digital ecosystem for enhanced data analysis, remote diagnostics, and predictive maintenance strategies. This integration with IIoT solutions allows for optimized asset management and contributes to overall plant efficiency. The robust build quality and advanced control algorithms also ensure a long operational lifespan, reducing the total cost of ownership over the equipment's life cycle.

Frequently Asked Questions

1. What are the primary benefits of using the SCHNEIDER ATV930D37N4Z for heavy-duty pumps?

This VSD offers significant energy savings by precisely matching pump speed to demand, reducing overall consumption. Its advanced motor control ensures smooth acceleration and deceleration, minimizing mechanical stress on the pump and motor. The robust design and comprehensive protection features enhance operational reliability and reduce unplanned downtime in critical pumping applications.

2. How does the SCHNEIDER ATV930D37N4Z improve energy efficiency in pump applications?

The drive continuously adjusts motor speed based on system requirements, avoiding energy wastage associated with fixed-speed operation. Advanced algorithms optimize motor performance at various speeds, further contributing to energy conservation. This variable speed capability directly translates into lower electricity bills for the end-user.

3. What are the typical communication protocols supported by the ATV930D37N4Z for system integration?

The frequency converter commonly supports Modbus RTU/TCP, Ethernet/IP, and Profibus DP, allowing for seamless integration into various industrial automation networks. These protocols enable easy data exchange for remote monitoring, control, and diagnostics from PLCs and SCADA systems. Specific protocols may require optional communication modules.

4. Can the SCHNEIDER ATV930D37N4Z be used in environments with dust or high humidity?

In its standard configuration with an IP21 rating, it is suitable for clean to moderately dusty environments with controlled humidity. For applications exposed to dust or water spray, an optional conformity kit is available to upgrade the protection rating to IP55, ensuring reliable operation in more demanding industrial settings.

5. What kind of motor control technology does this frequency converter utilize?

The SCHNEIDER ATV930D37N4Z employs advanced sensorless flux vector control technology for precise motor speed and torque management. This sophisticated control method ensures optimal performance and efficiency across a wide range of operating speeds and load conditions. It eliminates the need for motor-mounted encoders in many applications.

6. What are the advantages of the Altivar Process technology in this drive?

Altivar Process technology focuses on optimizing the entire process, not just the motor drive. It includes embedded intelligence for pump-specific functions, enhanced diagnostic capabilities for predictive maintenance, and seamless connectivity for IIoT integration. This holistic approach maximizes uptime and operational efficiency.

7. How do I protect the SCHNEIDER ATV930D37N4Z from electrical faults?

The drive includes built-in protections against overloads, overcurrents, over/under-voltages, and phase losses. It also offers thermal protection for both the drive and the motor. Configuring these protection parameters accurately according to the motor and application specifications is crucial for safe operation.

8. What is the significance of the 66.2A rating for this frequency converter?

The 66.2A current rating indicates the maximum continuous current the drive can supply to the motor. This specification is critical for selecting the correct VSD for a given pump motor to ensure it can handle the motor's full load current requirements without overheating or failing. It ensures compatibility with a 37kW motor.

9. Can the ATV930D37N4Z be programmed for specific pump control logic?

Yes, the drive offers extensive programmability for custom pump control logic, including features like water hammer prevention, dry run detection, and PID control for precise pressure or flow regulation. The intuitive programming interface and PC tools facilitate this customization.

10. What are the physical dimensions and mounting options for the SCHNEIDER ATV930D37N4Z?

This VSD measures 520 mm in height, 318 mm in width, and 304 mm in depth. It is designed for wall-mounted installation, which is typical for industrial environments, allowing for easy access and integration into existing control panels or standalone mounting setups.