Schneider Electric ATV320U55N4B | Altivar Machine ATV320 Variable Speed Drive

Overview

The Schneider Electric ATV320U55N4B is a variable speed drive from the Altivar Machine ATV320 series, designed to control 3-phase synchronous and asynchronous motors. With a power rating of 5.5kW (7.5HP), it operates within a voltage range of 380 to 500V. This drive is optimized for complex machine applications, offering advanced motor control capabilities and an integrated Class C2 EMC filter.

Key Features

• Power Rating: 5.5kW (7.5HP) suitable for heavy-duty operations.
• Voltage Compatibility: Supports 3-phase motors operating between 380 to 500V.
• Integrated EMC Filter: Class C2 EMC filter reduces electromagnetic interference, ensuring compliance with EMC standards.
• Motor Control Profiles: Supports various control methods, including:
  • Voltage/Frequency Ratio (2 or 5 points)
  • Sensorless Flux Vector Control (SFVC)
  • Flux Vector Control (FVC) with Sensor
  • Energy Adaptation (ENA) System for Unbalanced Loads
• Output Frequency: Adjustable from 0.1 to 599Hz for versatile motor speed control.
• Switching Frequency: Nominally 4kHz, adjustable between 2 to 16kHz with derating factors as necessary.
• Protection Features: Comprehensive protection against overcurrent, overheating, overvoltage, undervoltage, and short-circuits.
• User-Friendly Interface: Equipped with multiple analog and digital inputs/outputs for flexible control and monitoring.

Technical Specifications

• Model: ATV320U55N4B
• Series: Altivar Machine ATV320
• Motor Power: 5.5kW (7.5HP) at 380500V, 3-phase
• Supply Voltage: 380500V (-15% to +10%)
• Line Current: 20.7A at 380V; 14.5A at 500V
• Nominal Output Current: 14.3A at 4kHz switching frequency
• Apparent Power: 12.6kVA at 500V
• Prospective Line Isc: 22kA, 3-phase
• Maximum Transient Current: 21.5A for 60s
• Speed Range:
  • Asynchronous Motor: 1100 (open-loop); 11000 (closed-loop with encoder feedback)
  • Synchronous Motor: 150 (open-loop)
• Speed Accuracy:
  • Without Speed Feedback: 10% of nominal slip for 0.2Tn to Tn torque variation
  • With Encoder Feedback: 0.01% of nominal speed for 0.2Tn to Tn torque variation
• Torque Accuracy:
  • Open-Loop Mode: 15%
  • Closed-Loop Mode: 5% with encoder feedback
• Acceleration/Deceleration Ramps: Adjustable separately from 0.01 to 9000s
• Braking to Standstill: By DC injection
• Protection Rating: IP20
• Operating Temperature: -10C to +50C without derating
• Storage Temperature: -25C to +70C
• Humidity: 595% without condensation
• Altitude: 1000m without derating; derating applies above 1000m
• Dimensions (W x H x D): 90mm x 232mm x 172mm
• Weight: Approximately 2.9kg

Applications

• Complex Machinery: Ideal for machines requiring precise motor control and advanced functionalities.
• Material Handling: Enhances the efficiency of conveyors, hoists, and cranes.
• Packaging and Textile Machines: Provides precise speed and torque control for various industrial processes.
• Pumps and Fans: Optimizes energy consumption and performance in HVAC systems.

Why Choose the Schneider Electric ATV320U55N4B?

• Advanced Motor Control: Supports multiple control profiles for both synchronous and asynchronous motors.
• Integrated EMC Filter: Ensures compliance with electromagnetic compatibility standards.
• Comprehensive Protection: Equipped with extensive protection features to safeguard both the drive and connected equipment.
• Flexible Integration: Compatible with various industrial applications requiring precise motor control.

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