KBVF 4G High-Performance Drives for PMSM Motors

Unlock the Full Potential of Your PMSM Motors

KBVF 4G Chassis / IP20

High-Performance Drives for PMSM Motors

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Chassis IP-20

Permanent Magnet Synchronous Motors (PMSM) are used today in more applications that have traditionally used AC Induction motors. The KBVF 4G (4th generation) drive adds high performance and robust PMSM control while keeping it's simple and ready to use out of the box interface. Data Sheet

AC Induction Machines vs. PMSM Machines

AC Induction motors and Permanent Magnet Synchronous Motors (PMSM) both have similar constructions. They have a stator, which is fixed and provides a rotating electromagnetic field, and the rotor, which is the moving part that contains the mechanical rotation due to the interaction with the stator’s electromagnetic field. The difference is in the construction of the Rotor.

Permanent Magnet Synchronous Motor (PMSM)

Permanent Magnet Synchronous Motor (PMSM), Brushless Permanent Magnet (BPM) and Permanent Magnet AC refer to the same technology. The KBVF 4th generation VFD uses a high-performance sensorless Field Oriented Control (FOC) algorithms to control a PMSM. The drive uses the Motor

parameters, the current, and phase voltage measurements to estimate the rotor position. This information is used to provide the optimum torque and efficiency required at each operating point.Sensorless FOC control improves reliability and robustness and reduces system cost because a mechanical sensor (encoder) is not required. KBVF offers drive solutions from 1/10 - 5HP in an IP20 package. NEMA 1 and NEMA 4 packages are also available.

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