High-power power supply with multiple power supply inputs

Abstract

The invention discloses a high-power power supply with multiple power supply inputs, which is used for supplying power to a 1kW short-wave radio station, is high in efficiency and high in power density, and comprises an input filter circuit, a PFC circuit, a DC/DC circuit and a microcomputer control circuit. The invention provides a high-power power supply with multiple power supply inputs, whichcan meet the requirements of multiple power supply inputs, not only can realize single-phase 220V power supply, but also can realize three-phase four-wire 380V power supply, and can realize stepped eight-stage voltage adjustment and setting functions of main power supply voltage through microcomputer control. A temperature detection function and a voltage and current detection function are realized; the starting function of each circuit can be monitored and controlled; the function of automatically identifying AC input overvoltage and undervoltage is realized; a function of communicating withan upper computer is achieved, a command issued by the upper computer is executed, and information such as temperature, voltage and current is uploaded; the high-power power supply also has input overvoltage and undervoltage protection, output overvoltage protection, output overcurrent protection, output short-circuit protection and over-temperature protection.

Description

technical field [0001] The invention relates to the technical field of high-power power supplies, in particular to a high-power power supply with multiple power supply inputs. Background technique [0002] The power supply is an indispensable part of all electronic equipment. The performance of the power supply is directly related to the performance of the equipment. Due to the continuous breakthrough of new materials and continuous innovation of technology, the working efficiency of short-wave radio stations is as high as 40%, and even to 50%. [0003] At present, with the increasing popularity of high-power radio stations, people have higher and higher requirements for high-power radio stations. At the same time, the signal transmission distance is required to be farther and farther, and the volume is required to be smaller and smaller under the same transmission power; However, the existing high-power power supply does not meet the requirements of various power supply in...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems in the related technologies, the present invention proposes a high-power power supply with multiple power supply inputs to solve the problem that the existing high-power power supply cannot meet various power supply inputs

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