Novel direct-current power supply aging device

Abstract

The invention discloses a novel direct-current power supply aging device, which comprises a grid-side power supply unit, an aging furnace P capable of simultaneously carrying out aging tests on a plurality of direct-current power supplies, an inversion grid-connected unit, a sampling unit and a control system unit. The aging furnace P is connected with the grid-side power supply unit and is used for carrying out aging test on the direct-current power supply; the inversion grid-connected unit comprises an inverter VCI, an air-core reactor L and a current-limiting resistor R; the sampling unit comprises a current transformer TA, a voltage transformer TV1 and a voltage transformer TV2; one end of the current transformer TA is connected with the output terminal of the current-limiting resistorR, and a contactor KM4 is connected between the current transformer TA and the output terminal of a contactor KM1; and when the contactor KM4 is closed, a closed loop is formed among the aging furnace P, the inversion grid-connected unit and the current transformer TA. The control system unit comprises an FPGA and a DSP. According to the invention, the aging efficiency is improved, the aging costis reduced, the use is convenient, and the universality is high.

Description

technical field [0001] The invention relates to the field of power aging, and more specifically relates to a novel DC power aging device. Background technique [0002] Power aging is to simulate a high-temperature, harsh environment test environment to burn-in power equipment for a long time, which can improve product stability and reliability, and is an important link in the production process. [0003] At present, there are more and more occasions where DC power supplies are used, and the demand for DC power supplies is increasing. How to ensure the quality of all DC power supplies has always been a headache for manufacturers. Most domestic manufacturers are concerned about the production of DC power supplies. The power supply is only sampled. The aging method is generally a DC power supply with an electronic load. This aging method is extremely inefficient, and the power loss is particularly large. Different specifications of the DC power supply must be equipped with diff...

AI Technical Summary

Problems solved by technology

[0003] At present, there are more and more occasions where DC power supplies are used, and the demand for DC power supplies is increasing. How to ensure the quality of all DC power supplies has always been a headache for manufacturers. Most domestic manufacturers are concerned about the production of DC power supplies. The power supply is only sampled. The aging method is generally a DC power supply with an electronic load. This aging method is extremely inefficient, and the power loss is particularly large. Different specifications of the DC power supply must be equipped with different electronic loads. The cost of the platform Tall, bulky, very inconvenient to use

Images