Schneider Electric ATV312HD15M3 Variable Speed Drive

Overview
The Schneider Electric ATV312HD15M3 Variable Speed Drive (VSD) is engineered for high-performance motor control in various industrial applications, particularly suited for asynchronous motors. With a power rating of 15 kW (20 HP) and an apparent power of 28.5 kVA, this drive operates efficiently on a three-phase 200V-240V supply. Its design focuses on enhancing motor efficiency, ensuring precise speed management, and delivering robust performance in demanding environments.

Performance and Motor Control
Optimized for constant torque applications, the ATV312HD15M3 utilizes advanced sensorless flux vector control technology. This allows for exceptional accuracy in speed regulation across a speed range of 1-50 Hz. The drive features a nominal switching frequency of 4 kHz, adjustable from 2 to 16 kHz, which not only enhances performance but also minimizes operational noise. Additionally, the automatic motor slip compensation feature ensures consistent performance, adapting seamlessly to load variations, which is crucial for applications such as conveyors, pumps, and fans.

Communication and Connectivity
Equipped with built-in Modbus and CANopen communication ports, the ATV312HD15M3 facilitates straightforward integration into existing automation and control systems. The RJ45 interface supports data transmission rates of up to 1 Mbps (CANopen) and 19,200 bps (Modbus), enabling real-time monitoring and control. For enhanced connectivity, optional communication cards are available for Profibus DP, DeviceNet, Modbus TCP, and Fipio, making it versatile for various industrial networking requirements.

Safety and Protection Features
Safety is paramount in industrial operations, and the ATV312HD15M3 includes multiple protective mechanisms to ensure reliable performance. Key features include:
- Input phase break detection
- Overvoltage and undervoltage protection
- Motor phase break detection
- Short-circuit and overcurrent protection
- Thermal protection for both motor and drive
- Braking torque capabilities of up to 150% with a braking resistor

These features collectively enhance system reliability and prevent potential damage, making this drive an ideal choice for critical applications in manufacturing and processing environments.

Energy Efficiency and Optimized Performance
The ATV312HD15M3 is designed to optimize energy consumption while maximizing motor efficiency. Its adjustable PI frequency regulator allows for fine-tuning of motor control, which is essential in applications where energy savings are a priority.