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BURNIN load overview

There are three types of burnin load:Eesistance load、Electronic load、Energy saving load.

(1)Eesistance load:Due to the resistive load resistance and power parameters is fixed and can not be regulated, burnin test different supply models need man-made dial switching switch to switch different load stalls, inconvenient operation have gradually been eliminated, now only in some special occasions to use, such as low cost and small power source burnin test equipment.

(2)Electronic load:The electronic load is a kind of intelligent load which uses the electronic element to replace the resistance.Different in resistance load, electronic load can be set through the software load size and can monitor the actual load values, so we can through the computer software realization of burnin test process automation, lower labor costs, improve the quality of test.When the electronic load test, the measured output power supply voltage is exerted on electronic load the internal MOS tube on, by regulating MOS tube driving voltage to adjust the resistance of the MOS tube,Therefore,The electronic load changes the power output of the measured power supply to the heat of the MOS tube to be consumed.Due to the limited power of the MOS tube, the electronic load power is not large, and the other MOS tube needs a large radiator for cooling, so it is relatively large.Because the electronic load can not be stored energy element, the dynamic response of the electronic load is fast.The above characteristics determine the electronic load is suitable for small power charger and load dynamic response fast aging test of LED drive power supply.

(3)Energy saving load:Energy saving load at the same time to achieve the load function, through the power electronic converter technology to make the measured power output of the DC power into AC and feedback to the power grid to recycle, to achieve the purpose of energy saving.The energy saving efficiency can reach above 80%., Generally one to two years can be saved by the cost of electricity to recover the cost of the load. In addition to saving electricity,Energy saving load can also reduce the cost of power distribution equipment, reduce the cost of air conditioning equipment required for the discharge of heat load.


Crown jia committed to aging test electronic equipment, automatic plug-in, automatic welding, automatic dispensing, automated assembly, automatic detection, automatic aging, test automation and automatic packaging equipment research and development and design.

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