BEF-MS12Z-NB

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BEF-MS12Z-NB Application Field and Working Principle

The BEF-MS12Z-NB is a part of the BALDOR-Reliance Micro Drive family of accessories. It is a fully-contained, single-phase variable frequency drive (VFD) configured in a NEMA-style enclosure. Designed for applications where precise speed control and torque control are critical, the Micro Drive is an excellent tool for applications such as fan and pump control.

Application field

The BEF-MS12Z-NB is used for controlling asynchronous or synchronous motors in a single-phase power environment. It can provide variable speeds to fan and pump motors when precise adjustments are required. Additionally, it has built-in features such as short-circuit protection, auto-tuning, and multi-function operation, making it suited for numerous types of motor applications within a single-phase power environment.

Working Principle

The BEF-MS12Z-NB is based on pulse-width modulation (PWM), also known as pulse-density modulation (PDM). This type of modulation reduces motor noise and increases efficiency by dynamically adjusting the width of the pulses. The BEF-MS12Z-NB is connected to the motor circuit, and by applying PWM drastically reduces torque ripple and RMS current level. It also includes features such as 3-level control, auto-tuning, and EMC filtering.

Conclusion

The BEF-MS12Z-NB is an excellent addition to the BALDOR-Reliance Micro Drive family of accessories. It is designed for applications requiring precise speed and torque control in a single-phase power environment. Through the use of pulse-width modulation (PWM), the BEF-MS12Z-NB is able to reduce motor noise, increase efficiency, and provide features such as 3-level control, auto-tuning, and EMC filtering.

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