A VFD (Variable Frequency Drive) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the motor. It is used
to control the speed and torque of the motor, making it an energy-efficient solution for various industrial applications.K-Drive offer KD100 & KD600M mini vector
VFD and KD600 high performance VFD.

K DRIVE VFD (KD600 Series)

A regenerative unit, on the other hand, is a device that can absorb the excess energy generated by a motor when it is decelerating or braking. This energy is then
converted and fed back into the power supply system, resulting in energy savings and reduced heat dissipation. CL100 regenerative unit is our latest RBU with high
efficiency and reasonable price, which is widely used in elevator application.

K DRIVE REGENERATIVE (CL100 Series)

A 4-quadrant VFD is a type of VFD that can control the motor in all four quadrants of the speed-torque curve. This means it can provide both motoring and
regenerative braking capabilities, allowing for precise control of the motor in both forward and reverse directions. CL200 4-quadrant VFD can help save energy
and improve power factor.

K DRIVE REGENERATIVE (CL120 Series)

In summary, while a VFD is a motor controller that varies the frequency and voltage supplied to the motor, a regenerative unit is a device that can absorb and feed
back excess energy, and a 4 quadrant VFD is a specific type of VFD that provides precise control in all four quadrants of the speed-torque curve.

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