QPS-35-5

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AC/DC Converters are electronic devices that are used to convert alternating current (AC) electricity into direct current (DC) electricity. The QPS-35-5 is a type of single-phase full-bridge AC/DC converter that has a power conversion efficiency of up to 97%. To understand the application field and working principle of the QPS-35-5, it is important to first look at the components that make up an AC/DC converter.

At the heart of an AC/DC converter is a power assembly which is composed of four parts: an AC/DC inverter, a rectifier, a DC/DC converter, and an output rectifier. The AC/DC inverter first converts the input AC voltage into a DC voltage, which is then sent to the rectifier and then to the DC/DC converter. The DC/DC converter then converts the DC voltage into a higher voltage and sends it to the output rectifier. Finally, the output rectifier takes the higher voltage and converts it to usable DC voltage.

The QPS-35-5 is a single-phase full-bridge AC/DC converter and is therefore composed of an AC/DC inverter, rectifier, DC/DC converter, and output rectifier, as described above. The main differences between a single-phase and three-phase AC/DC converter is the number of power assemblies that is used. A single-phase converter uses one power assembly while a three-phase converter uses three. Additionally, a three-phase converter is typically more efficient than a single-phase converter.

The QPS-35-5 is designed for high-power applications, such as variable speed motors, industrial automation systems, and heavy equipment. It features state-of-the-art power conversion circuitry that allows it to achieve high efficiencies and low costs. Additionally, the power assemblies of the QPS-35-5 are designed to reduce EMI (electromagnetic interference) and reduce power losses that can occur over time.

The working principle of the QPS-35-5 is relatively simple. It begins by converting the input AC voltage into a DC voltage. This is accomplished by the AC/DC inverter, which uses transistors to turn the AC voltage on and off in pulses. The rectifier then takes this DC voltage and further rectifies it, eliminating any AC ripple present. The DC/DC converter then takes this DC voltage and converts it to a higher voltage, and finally the output rectifier converts the higher voltage into usable DC voltage.

As can be seen, the QPS-35-5 is a type of AC/DC converter that is designed for high-power applications. It features state-of-the-art power conversion circuitry and is capable of achieving high efficiencies. Its working principle is relatively simple, as it begins with the AC/DC inverter, followed by the rectifier, the DC/DC converter, and finally the output rectifier. Together, these components make up the power assembly of the QPS-35-5, and are key to its ability to convert AC to DC power.

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