



Product Introduction
The Schneider ATV71HU22Y Variable Speed Drive is part of the Altivar 71 series, developed for advanced motor control in demanding industrial environments, particularly those requiring higher voltage operation.
Unlike standard drives limited to 400 V systems, this model is engineered for 500–690 V networks, making it suitable for specialized industries such as energy, heavy processing, and large infrastructure systems. Its advanced control algorithms allow precise adjustment of motor speed and torque, improving process stability and energy efficiency.
From an engineering perspective, the ATV71HU22Y provides a strong combination of flexibility, durability, and control precision. It is particularly valuable in installations where electrical conditions are complex and reliability is critical.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Variable Speed Drive |
| Model | ATV71HU22Y |
| Series | Altivar 71 |
| Motor Power | 1.5–2.2 kW |
| Input Voltage | 500–690 V AC |
| Phase | 3 Phase |
| Line Current | 3.2–4 A depending on voltage |
| Nominal Output Current | 2.7–4 A |
| Maximum Transient Current | Up to 5.28 A (2 s) |
| Output Frequency | 0.1–500 Hz |
| Switching Frequency | 2.5–6 kHz Adjustable |
| Control Methods | V/F, SFVC, FVC |
| Communication | Modbus, CANopen (expandable) |
| EMC Filter | Integrated |
| Protection Rating | IP20 |
| Mounting Type | Panel / Wall Mount |
| Dimensions | 420 × 236 × 240 mm |
| Weight | 30 kg (66.14 lb) |
Application Perspective in High-Voltage Systems
The Schneider ATV71HU22Y Variable Speed Drive is specifically designed for high-voltage industrial environments where precise motor control and system adaptability are required. It is typically deployed in:
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High-voltage pump and water transfer systems
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Industrial fans and ventilation units
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Process machinery in chemical and energy sectors
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Conveyor systems in heavy industry
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Specialized OEM equipment requiring 500–690 V operation
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Environments with harsh electrical conditions
Its reinforced design and high-voltage compatibility make it particularly suitable for applications where standard low-voltage drives are not sufficient.
Performance Strengths in Engineering Practice
The ATV71HU22Y stands out within the Altivar 71 family due to its ability to operate in higher voltage ranges while maintaining precise control and system stability.
Key advantages
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Wide voltage range (500–690 V) for specialized industrial applications
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Sensorless and closed-loop vector control for accurate torque and speed regulation
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High overload capability (up to 220%) for demanding startup conditions
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Integrated EMC filter to improve electrical compatibility
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Advanced motor control profiles (V/F, SFVC, FVC) for flexible operation
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Support for synchronous and asynchronous motors
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Expandable communication options (Modbus, CANopen, Ethernet, Profibus)
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Robust protection features including thermal, overvoltage, and phase-loss protection
In real-world usage, this drive is valued for maintaining stable performance under fluctuating loads and high-voltage conditions.
Technical FAQs
1. What voltage range does this drive support?
It operates within a 500–690 V three-phase power supply range.
2. What motor power is supported?
It supports approximately 1.5–2.2 kW motors depending on voltage configuration.
3. Does it support vector control?
Yes. It supports sensorless and encoder-based flux vector control.
4. What is the output frequency range?
The drive operates from 0.1 Hz up to 500 Hz.
5. Is it suitable for high-voltage industrial environments?
Yes. It is specifically designed for higher voltage applications up to 690 V.
6. What communication protocols are available?
It supports Modbus and CANopen, with expansion options for other industrial networks.
7. Does it include motor protection features?
Yes. It includes thermal protection, phase loss detection, and overcurrent protection.
8. Can it handle high startup torque?
Yes. It can deliver up to 220% torque for short durations.
9. Is it compatible with different motor types?
Yes. It supports both synchronous and asynchronous motors.
10. How flexible is it for system expansion?
Highly flexible, with support for multiple option cards including fieldbus and encoder modules.