VOF-225-48

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AC DC Converters: VOF-225-48 application field and working principle

VOF-225-48 is a three-phase AC/DC Converter, specifically designed for radiotherapy equipment. This converter allows the user to control one of the three AC outputs with phase shifting capabilities. It is primarily used for radiotherapy treatment machines as it can provide the required output current for such machinery. The converter operates by rectifying the incoming AC supply and then deploying the high voltage to the specific applications.

The VOF-225-48 employs a single-phase rectifier circuit that rectifies the incoming AC supply into a DC supply. This is then fed into a converter that can convert the DC into either single or three-phase output, depending on the requirements of the application being driven. By using two PF (power frequency) and LF (low frequency) regulators, the user can adjust the phase shift, the current or the voltage of the output without applying excessive heat or damaging the components.

The VOF-225-48 consists of three input terminals, each of which can handle up to 500 volts. These inputs are connected to one of two output terminals, the first of which provides a 5V output and the second providing three-phase output. The user can activate the three-phase output terminals by activating switches in the front of the unit.

The higher the voltage input from the AC line, the more efficient the VOF-225-48 will be. This unit also uses a sophisticated protection system to detect any over-voltage or over-current faults. If such a fault is detected the converter will automatically shut down or reduce its output current accordingly.

When the VOF-225-48 is used to drive radiotherapy equipment, the user can adjust the phase shift and voltage of the output without needing to modify the internal components. The output frequency can also be regulated through the potentiometer on the front of the unit. This allows the user to control the output current to ensure that the radiotherapy machine receives the correct amount of energy.

In summary, the VOF-225-48 is a high-efficiency AC/DC converter designed specifically for radiotherapy applications. It has three phase inputs, two output terminals, and a sophisticated protection system for protecting the machine from over-voltage and over-current faults. It also allows the user to adjust the phase shift and voltage of the output without needing to modify the internal components.

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