Source-load all-in-one machine device

Abstract

The invention provides a source-load all-in-one machine device, which is used for carrying out a load test on an object to be tested or carrying out charging and discharging on the object to be tested, and comprises a bidirectional power conversion unit which is respectively connected with the object to be tested and a power grid and is used for converting alternating current voltage of the power grid into direct current voltage to be supplied to the object to be tested or inverting the direct current voltage of the object to be tested into alternating current voltage, electric energy is fed back to the power grid; the parameter detection unit is coupled between the bidirectional power conversion unit and the object to be detected and is used for acquiring and outputting a detection parameter to the digital signal processing unit; and the digital signal processing unit is used for controlling the bidirectional power conversion unit, realizing switching of a load mode or a source load mode of the bidirectional power conversion unit, and carrying out load test or charging and discharging on an object to be tested. The device can realize the integrated setting of a bidirectional DC power supply and an electronic load function, can realize the electronic load function while realizing the output and input characteristics of the bidirectional power supply, and is beneficial to use.

Description

technical field [0001] The invention relates to a source-carrying integrated machine device. Background technique [0002] At present, the electronic load device is used as a device for consuming the output power of the power supply. When the electronic load device is connected to the power supply for testing, the output power of the power supply is consumed in the form of heat energy, but the electronic load cannot output power. [0003] Compared with the existing electronic load device, although the bidirectional DC source has bidirectional power output and input characteristics, the existing bidirectional DC source cannot realize the function of the electronic load. In addition, the existing bidirectional DC source cannot further realize the CV, CC, CR, and CP functions of the electronic load. [0004] To sum up, the above two common electronic load devices and the bidirectional DC power supply cannot realize both the bidirectional power supply and the electronic load fu...

AI Technical Summary

Problems solved by technology

[0002] At present, the electronic load device is used as a device for consuming the output power of the power supply. When the electronic load device is connected to the power supply for testing, it consumes the output power of the power supply in the form of heat energy, but the electronic load cannot output power.

[0003] Compared with the existing electronic load devices, although the bidirectional DC source has bidirectional power output and input characteristics, the existing bidirectional DC source cannot realize the electronic load function

In addition, the existing bidirectional DC source cannot further realize the CV, CC, CR, CP functions of the electronic load

[0004] To sum up, the above two common electronic load devices and bidirectional DC power supply cannot realize both bidirectional power supply and electronic load function at the same time.

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