ATV930D15N4: Rugged Variable Speed Drive for Oil & Gas Applications

The Schneider Electric ATV930D15N4 is a three-phase variable speed drive from the Altivar Process ATV930 series. It delivers 15 kW (20 HP) in normal duty and 11 kW (15 HP) in heavy duty, operating from a 380...480 V three-phase supply. This dual-rated drive is engineered for demanding environments, with an operating temperature range of -15 to +50 °C and a built-in dynamic brake transistor.

Key Features and Technical Specifications

• Power rating: Dual ND/HD rating: 15 kW (20 HP) normal duty, 11 kW (15 HP) heavy duty.
• Supply voltage: 380...480 V three-phase (-15%/+10%), 50/60 Hz.
• Operating temperature: -15 to +50 °C standard, derating up to 60 °C.
• Output frequency: 0.1...599 Hz for precise motor control.
• Integrated safety: STO function, SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1.
• Communication: Built-in Ethernet dual-port switch and Modbus serial port; EtherNet/IP and Modbus TCP protocols.
• I/O: 8 digital inputs (24 V DC), 3 analog inputs, 2 analog outputs, 3 relay outputs.
• Protection rating: IP21/UL Type 1.
• Dimensions (H×W×D): 545.9 x 211 x 235 mm; weight 13.600 kg.

The drive includes a Category C2 EMC filter (for models up to D45N4) and is certified for Achilles Level 2 cybersecurity. It supports asynchronous, synchronous PM, and synchronous reluctance motors with open-loop and closed-loop vector control.

Addressing Oil & Gas Industry Pain Points

Oil and gas operations demand equipment that withstands extreme conditions and minimizes downtime. This unit addresses these challenges through its robust design and integrated features.

Harsh Environmental Conditions

With an operating temperature range of -15 to +50 °C and compliance with IEC 60721-3-3 class 3C3/3S3/3M3, the drive is built for demanding environments. The IP21 protection rating ensures resistance to dust and moisture, while the 5 to 95% non-condensing humidity tolerance supports reliable operation in diverse climates.

Power Reliability and Efficiency

The drive operates on a 380...480 V three-phase supply with a wide voltage tolerance (-15%/+10%), accommodating fluctuations common in remote oil and gas sites. The built-in dynamic brake transistor enables rapid stopping of high-inertia loads, such as pumps and compressors, without external braking units. A minimum external brake resistor of 15 Ω is required.

Safety and Compliance

The integrated STO function (SIL3 / Cat. PL e) ensures safe torque off for maintenance and emergency stops, meeting stringent industry safety standards. The drive is certified to UL 508C, UL61800-5-1, EN/IEC 61800-3, and IEC 61508, providing peace of mind for mission-critical operations.

Installation and Setup

Proper installation is critical for reliable performance. This unit requires a minimum clearance of 100 mm above and below, and 10 mm in front. Terminal tightening torque for power terminals (Frame 1-3) is 2.5 N·m. The drive is designed for wall mounting (IP21) and includes a built-in EMC filter. For detailed wiring and configuration, refer to the installation manual NHA80932.

Maintenance and Reliability

Regular inspection of cooling airflow and connections is recommended to ensure optimal performance. The drive's required minimum air flow is 215 m3/h, and power dissipation is 500 W in normal duty. The robust design and adherence to environmental classes reduce wear and extend service life, supporting reliability in demanding oil and gas environments.

Frequently Asked Questions

What are the input voltage requirements for This unit?

This unit requires a three-phase supply of 380...480 V (-15%/+10%) at 50/60 Hz.

Can This unit operate in high-temperature environments?

Yes, the standard operating temperature range is -15 to +50 °C. With derating, it can operate up to 60 °C.

What communication protocols are supported by This unit?

The drive includes built-in EtherNet/IP and Modbus TCP ports, as well as a Modbus serial port. Additional fieldbus modules can be added via the option slot.

Is an external braking resistor required for This unit?

Yes, an external braking resistor with a minimum resistance of 15 Ω is required to utilize the built-in dynamic brake transistor.

What is the power rating of This unit?

The drive is dual-rated: 15 kW (20 HP) for normal duty and 11 kW (15 HP) for heavy duty, with overload capacities of 120% and 150% respectively for 60 seconds.

For parts suited to your application's requirements, contact PetroPartsOnline.

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