PBA75F-12-N

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The PBA75F-12-N is an AC/DC converter belonging to the medium-power range of products developed by the company. Its main purpose is to modify the alternating current (AC) supplied by the power grid into a direct current (DC) suitable for operation of industrial-grade electronic devices.

Application Field

The PBA75F-12-N is designed for applications in a wide range of industries. It is fit to be used in medical equipment, factories, automation systems, computer networks, and even in distinctive attributes such as rolling shutters, heat, and ventilation control systems. Additionally, this powerful AC/DC converter is ideal to use in high current applications such as motors, drive technologies, stepper drivers, and transportation systems.

Working Principle

The working principle of the PBA75F-12-N is based on the rectification of the AC voltage provided. The rectification works by running the alternating current through a diode bridge which keeps the negative and positive energy cycles opposite to each other, allowing only one of the cycles to pass through. Consequently, the current exits in a direct state. The next step of the power conversion is power smoothing. The average output voltage is accomplished by replacing the choppiness of the AC waveform with a continuous output voltage. This process is performed by a capacitor filter made up of one or more electrolytic capacitors connected in series or in parallel.

After the power smoothing process the output voltage has a constant waveform.

The current cycle through the diode bridge and capacitor filter are continuous and known as an infinite steady-state. In this steady-state, the input to the AC/DC converter remains the same and the output voltage is also constant. The quality of the output is measured according to the harmonic content of the output waveform which is low in this design. To adjust the output voltage to the desired level, an internal multi-turn potentiometer is used.

Finally, the temperature range of the PBA75F-12-N is designed for environments in industrial category. This allows the unit to work within the most extreme industrial conditions.

The PBA75F-12-N is a medium-power AC/DC converter designed to handle a wide range of applications in different areas. Its rectification and power smoothing process guarantee a constant output voltage and it is designed to work in extreme conditions.

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