Variable Frequency Drive (VFD)
Characteristics
- High-performance vector control
- Intelligent energy-saving control
- Simple and easy to use
- Versatile for multiple scenarios
- Supports V/F control and sensorless vector control (SVC) and sensor-based vector control (FVC)
Variable Frequency Drive (VFD): Intelligent Power for Efficient Motor Control
Optimize your motor-driven systems with our advanced Variable Frequency Drive (VFD). Acting as the intelligent power interface between your power supply and AC motor, our VFDs precisely control motor speed and torque by dynamically adjusting the frequency and voltage of the output power. This "soft start" capability eliminates the massive current surges of direct-on-line starting, significantly reducing mechanical stress on motors and driven equipment, thereby extending their operational lifespan.
Engineered for maximum energy savings and process flexibility, our VFDs can reduce energy consumption by 20-60% in variable torque applications like fans and pumps. They feature robust protection against overcurrent, overvoltage, and overheating, ensuring reliable operation in demanding industrial environments. With intuitive interfaces and support for various control modes (V/f, vector control), our drives offer seamless integration and precise performance for a wide range of automation needs.
Key Applications
HVAC & Fluid Handling:Delivers substantial energy savings and precise flow/pressure control for centrifugal fans, pumps, and air compressors in buildings and industrial plants.
Material Conveying:Provides smooth acceleration, deceleration, and precise speed synchronization for conveyor belts, assembly lines, and packaging machinery.
Industrial Processing:Enables accurate speed and torque control for mixers, centrifuges, extruders, and machine tool spindles to ensure consistent product quality.
Marine & Heavy Industry: Optimizes propulsion and auxiliary systems in ships, and provides reliable control for cranes, hoists, and mining equipment.
Buyer protection
If a quality issue occurs within one year of purchase, you can exchange it for free.
Product power range
AC 1PH 200V-240V 0.4KW-3.7KW
AC 3PH 200V-240V 0.4KW-15KW
AC 3PH 380V-480V 0.4KW-22KW
General purpose VFD versus dedicated VFD
A general purpose VFD covers the ordinary speed-control needs of squirrel-cage induction motors across a wide range of voltage classes and power ratings, driving fans, pumps, conveyors and mixers. A dedicated VFD is optimized for one machine type, such as elevators, hoists or textile machinery. Start from the load type: fans and pumps are variable-torque loads and can be sized at the motor rating, while conveyors and compressors are constant-torque loads with a high breakaway requirement and usually need one frame size larger.
The L7 general purpose VFD uses vector control for high torque at low speed, with over-current, over-voltage and over-temperature protection, and suits HVAC and fluid handling, material conveying and industrial processing. Where accurate positioning is required, use an AC servo system instead; for DC-powered mobile equipment see the low voltage DC servo system.