Delta VFD

Delta Variable Frequency Drives (VFDs)

Delta Variable Frequency Drives (VFDs) are widely recognized for their reliability, efficiency, and versatility in various industrial applications. Here's a comprehensive overview of Delta VFD types, selection, applications, and advantages:

Delta VFD Types

Delta offers several series of VFDs, each tailored to specific needs:

1. VFD-EL Series: Designed for micro-type applications, it includes built-in EMI filters, RFI switches, and features like high-precision current detection and overload protection.

2. VFD-VJ Series: Known for its hybrid servo drive capabilities, it integrates AC servo technology for hydraulic systems, providing precise control, fast response, and high duplication accuracy.

3. VFD-MS300 Series: This compact vector control drive supports both IM and PM motor control and includes various functions like a PLC capacity, communication slots, and a USB port for easy data management.

Delta VFD Selection

When selecting a Delta VFD, consider the following factors:

• Motor Specifications: Ensure compatibility with your motor's power rating, voltage, and phase.

• Control Requirements: Depending on whether you need open loop, closed loop, or sensorless vector control.

• Application Specifics: Features such as built-in PID control, communication interfaces (e.g., RS-485, MODBUS), and specific operation modes (e.g., V/F control, field-oriented control).

Delta VFD Applications

Delta VFDs are used across various industries, including:

• Manufacturing: For precise speed and torque control in conveyors, extruders, and other machinery.

• HVAC: To optimize energy use in fan and pump systems.

• Automotive: In robotic systems and assembly lines, precise motion control is required.

Delta VFD Advantages

1. Energy Efficiency: Delta VFDs help reduce energy consumption by optimizing motor speed and torque according to load requirements.

2. Versatility: They support various applications, from microdrives to hybrid servo systems.

3. Advanced Features: Built-in functions like PID control, automatic torque boost, and communication protocols facilitate easy integration and control in complex systems.

4. Reliability and Safety: Features such as precise current detection and built-in braking units ensure system protection and longevity.

You can refer to the Delta product catalogues and manuals for detailed specifications.​