Method and device for ageing three-phase rectifier bridges
A technology of three-phase rectification and aging device, which is applied in the direction of electronic circuit testing, single semiconductor device testing, etc. It can solve problems such as circuit failure, three-phase rectifier bridge cannot withstand the impact of a large load, and product reliability cannot be guaranteed. To achieve the effect of ensuring product reliability, simple and flexible use, and improving reliability
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[0025] An example of this embodiment does not act as a restriction on the present invention.
[0026] Example.A method of aging the three -phase rectification bridge, such as figure 1 Show.This method uses an aging device to batch the rectifier bridge; hold a rectifier bridge of one or more to be tested on the fixture of different aging areas.The rectifier bridge connection; and fix the temperature measurement element on the heat sink of the aging area, the temperature measurement element is connected to the temperature display control unit, the temperature display control unit is connected to the cooling wind unit;Display unit connection; the current control unit is connected with the low -voltage AC power adjustment unit and the synchronous trigger control unit.The low -voltage AC power adjustment unit is provided by two high -power transformers, and the output voltage of the two transformers is the opposite; the current control unit is provided by two alternate -alternated thyr...
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