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Schneider ATV71HD22N4 High-Power Variable Frequency Drive
Schneider ATV71HD22N4
1. Overview
The Schneider ATV71HD22N4 is a high-power variable frequency drive (VFD) from the Altivar 71 series. It is specifically designed to drive high-power asynchronous and synchronous motors, delivering excellent dynamic performance and reliability for harsh industrial environments.
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2. Key Technical Specifications
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Parameter
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Specification
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Power Rating
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22 kW (Approx. 30 HP)
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Voltage Range
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380-480 V, 3-Phase, 50/60 Hz
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Control Modes
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V/Hz Control, Vector Control (for synchronous motors)
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Braking Function
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Regenerative Braking (suitable for energy feedback applications)
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Enclosure Protection
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IP20 (Standard Coating)
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3. Product Features
- High-Power Performance: Capable of driving high-power motors with strong torque output to meet heavy-load requirements.
- Built-in EMC Filter: Equipped with an Electromagnetic Compatibility (EMC) filter to reduce electromagnetic interference effectively.
- Graphic Terminal: Comes with a graphical operation terminal for convenient on-site commissioning and real-time monitoring.
- Reliable Safety: Complies with EN 954-1 Category 1, IEC/EN 61508 SIL1 standards, and meets IEC/EN 60204-1 Stop Category 0 requirements.
- Energy Efficiency: Conforms to Green Premium™ standards, featuring low carbon emissions and energy consumption for cost savings.
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4. Structure & Components
- Main Unit: Includes power module, control board, and heat sink, serving as the core of the drive system.
- EMC Filter: Integrated inside the drive or connected as an external component for flexible configuration.
- Graphic Terminal: Consists of a display screen and keypad, used for parameter setting and fault diagnosis.
- Communication Interfaces: Supports industrial communication protocols such as Modbus and CANopen for seamless system integration.
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5. Application Fields
- Heavy Machinery: Injection molding machines, packaging machinery, and other heavy-duty equipment.
- Process Control: Centrifugal pumps, compressors, and other process equipment requiring precise speed control.
- Transportation Systems: Elevators, cranes, and other material handling equipment.
- Energy Systems: Wind turbine units and motor variable frequency speed regulation systems.
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6. Installation & Maintenance
Installation Guidelines
Vertical installation is recommended. Ensure sufficient heat dissipation space around the drive and avoid proximity to heat sources. For dust-proof and moisture-proof environments, install the drive in a protective cabinet and remove the protective plugs as required.
Maintenance Procedures
Regularly check the heat sink for dust accumulation to ensure good heat dissipation and ventilation; verify that cable connections are tight; update firmware and parameter settings as needed to maintain optimal performance.
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