BB-MDR-60-5

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AC DC Converters

AC DC converters are an essential part of the electricity supply system in many industries. An AC DC converter is a device that converts AC electricity into DC electricity, providing a convenient and efficient way to power electronic devices and appliances. The BB-MDR-60-5 AC DC converter is an excellent example of this type of converter. This article will discuss the application field and working principle of the BB-MDR-60-5.

Application Field

The BB-MDR-60-5 can be found in a variety of industrial and consumer applications. It is commonly used in the automotive, electric appliance, and electrical equipment industries. It is also used in communications, surveillance, military, transportation, and medical applications. It is specifically designed to convert three-phase AC voltage into DC voltage. This allows for high-efficiency and reliable power conversion for these types of applications.

Working Principle

The BB-MDR-60-5 is a three-phase AC DC converter with a single switch topology. It uses a power factor correction (PFC) circuit to reduce power losses and improve the efficiency of the conversion process. The converter also employs an LLC resonant topology with phase shift control to achieve a fast and efficient power conversion, while also keeping the output voltage relatively stable.

The main components that make up the BB-MDR-60-5 are two input EMI filter capacitors, one PFC circuit, two LLC resonant tank circuits, a DC rectifier, a DC choke, a DC smoothing filter, an output voltage sensing circuit, and an output over-voltage protection circuit. The PFC circuit reduces the input harmonic distortion, while the two LLC resonant tanks are used to reduce the power losses during the power conversion process. The output voltage sensing circuit helps maintain the output voltage by controlling the phase shift of the oscillating frequency. Finally, the over-voltage protection circuit ensures the output voltage does not exceed its maximum value.

In general, the BB-MDR-60-5 is designed to provide a reliable and efficient solution for converting AC power into stable DC power. It is suitable for a wide range of industrial and commercial applications due to its easy installation, small form factor, and high efficiency. The use of PFC and LLC resonant topologies also ensures that the converter is able to provide a stable output voltage and reduce power losses.

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