Delta VFD750V43C VFD-VE Series 100HP AC Motor Drive Unit

Delta VFD750V43C VFD-VE Series AC Drive

The VFD750V43C is a Delta VFD-VE series high-performance flux vector control drive. This drive offers precise V/F, open-loop, and closed-loop vector control for demanding industrial applications. It is designed to provide servo-like positioning and speed regulation for high-power motors.

Core Technical Specifications

• Brand & Model: Delta VFD750V43C (VFD-VE Series)
• Input Power: 3-Phase, 380-480V AC (480V nominal)
• Output Power (CT): 100 HP (75 kW) at 150 Amps
• Output Power (VT): 125 HP (93 kW) at 188 Amps
• Control Method: Flux Vector Control (Torque Control), with Closed Loop and High-Speed options
• Max. Output Frequency: 600 Hz (up to 3000 Hz in V/F mode)
• Key Features: Servo-like position control, rapid response, constant & variable torque rated.
• Enclosure: NEMA 1 / IP20

Physical Data & Applications

• Included: Operator keypad for setup and control.
• Braking: DC Injection braking standard; Dynamic Braking optional with external resistor.
• Regenerative Capability: No AC line regeneration.
• Primary Applications: CNC lathes, tooling machines, drilling machines, crane hoists, woodcarving machines, PCB routers, and mid/low-speed passenger elevators.
• Key Advantage: Combines the power of a high-HP VFD with the precision of vector control for complex motion tasks.

Frequently Asked Questions

• Q: What is the difference between this model (VFD750V43C) and the VFD750V43C-2?
  A> The suffix "-2" often indicates a specific hardware revision or option package. The core power ratings and control capabilities are typically identical. Always verify the exact specifications for your required version.
• Q: Can this drive truly replace a servo drive?
  A> For many high-power, medium-precision applications (like CNC, positioning tables), yes. Its flux vector control with encoder feedback provides precise speed and position control, though ultra-high-speed response may still require a dedicated servo.
• Q: What is needed for dynamic braking?
  A> The drive has built-in transistor circuitry for dynamic braking, but you must purchase and install an external braking resistor matched to your motor's inertia and stopping requirements.