Schneider ATV71HD22N4 High performance frequency converter

Specific Parameters

Power Rating: It is suitable for motors with a power of 22kW, and can stably drive AC motors of corresponding power, ensuring that the motor can obtain appropriate driving power under different working conditions.

Voltage Specification: It is applicable to three – phase power input of 380 – 480V, with good voltage adaptability, and can operate reliably within the common industrial power supply voltage range.

Current Capacity: The rated output current is 45A, which can provide sufficient current support for the motor, meeting the current requirements of the motor in different states such as starting, running, and overload.

Frequency Range: The output frequency range is 0 – 600Hz, enabling a wide range of adjustments to the motor speed. It can accurately control the motor speed from low – speed operation to high – speed rotation, meeting the diverse requirements of different production processes for motor speed.

Control Modes: It supports a variety of advanced control modes, such as Sensorless Vector Control (SLVC), Flux – Vector Control (FVC), and V/f control. Among them, sensorless vector control can accurately control the torque and speed of the motor without a speed sensor, achieving high – efficiency dynamic performance. Flux – vector control can provide higher – precision control when equipped with a speed sensor, which is suitable for application scenarios with extremely high requirements for control accuracy. V/f control can control the motor according to a certain voltage – frequency ratio based on the motor characteristics, which is suitable for general speed – regulation applications.

Communication Interfaces: It is equipped with a standard Modbus communication interface, which is convenient for communication and connection with various host computers, PLCs, and other intelligent devices to achieve remote control and monitoring. It also has a CANopen communication interface, which can achieve fast and reliable data transmission in the industrial fieldbus network, facilitating the construction of complex automation control systems.

Product Performance

Precise Speed and Torque Control: With the help of advanced control algorithms and a high – performance hardware platform, the ATV71HD22N4 can precisely control the speed and torque of the motor. In the sensorless vector control mode, the speed control accuracy can reach ±0.5%, and the torque response time is less than 20ms. This ensures that the motor can operate stably under different load conditions and can quickly respond to load changes, effectively avoiding motor stalling or overloading.

Efficient Energy Utilization: This frequency converter has excellent energy – saving characteristics. During operation, by optimizing the operating parameters of the motor, such as adjusting the output voltage and frequency in real – time according to the load, the energy consumption of the motor can be significantly reduced. Compared with traditional constant – speed running motors, using the ATV71HD22N4 for speed control can achieve an energy savings of 10% – 30%, reducing the operating costs of enterprises.

Powerful Overload Capacity: It can withstand an overload of up to 150% of the rated current for 60 seconds, which can meet the current requirements of the motor during the starting moment or when encountering short – term impact loads, ensuring the smooth starting and stable operation of the motor, avoiding shutdown failures caused by overload, and improving the reliability of the production system.

Excellent Compatibility and Expandability: It is compatible with a variety of brands and types of motors. Whether it is a common asynchronous motor or a high – efficiency and energy – saving permanent – magnet synchronous motor, it can achieve good matching and control. In addition, it supports a rich variety of expansion modules, such as I/O expansion modules, encoder interface modules, safety function modules, etc. Users can flexibly choose to expand according to actual application needs, enhancing the functions of the frequency converter and meeting the diverse requirements of complex industrial control systems.

Reliable Operational Stability: After strict industrial – level testing and verification, the ATV71HD22N4 can still operate stably in harsh industrial environments. Its internal circuit design has good anti – interference ability, which can effectively resist electromagnetic interference from the power grid, surrounding equipment, etc. The housing is made of durable materials, and the protection level reaches IP20, which can effectively prevent dust and provide reliable protection for internal electronic components, extending the service life of the equipment.