Method and system for power supply aging

A power supply aging and power supply technology, applied in the aging field of aging devices, can solve the problems of reducing current power factor, load capacity reduction, reducing power supply safety, etc., to reduce zero line current, reduce additional losses, and save aging electricity. Effect

CN101620259BActive Publication Date: 2011-09-07DONGGUAN GUANJIA ELECTRONICS EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2011-09-07

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Abstract

The invention relates to a method and a system for power supply aging. The method comprises the following steps: firstly, installing a system power supply current sensor CS1 on the input end of a system power supply or installing an aging power supply current sensor CS2 on the input end of an aged power supply to detect the total input current Iin of the system or the input current Ip of the agedpower supply; then, transmitting the Ip or Iin to a harmonic current detection unit of an energy-saving electronic load to carry out digital operation so as to operate harmonic content data; transmitting the harmonic content data to a DC / AC control circuit so that the DC / AC control circuit outputs grid-connected current with corresponding harmonic content; and finally, feeding back the grid-connected current Ie to the input end of the aged power supply to carry out higher harmonic cancellation compensation. The energy-saving electronic load saves the aged electricity utilization and also manages the harmonic under the condition that the cost is not basically increased or is less increased, thereby saving the cost of purchasing a large quantity of filters for a power supply plant.
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Description

technical field

[0001] The invention relates to an aging method of an aging device in power electronic converter technology, in particular to a method for aging a power supply device and an energy-saving electronic load device system. Background technique

[0002] The traditional switching power supply aging method is to use a high-power resistor as a simulated load for burn-in aging, which wastes a lot of electric energy. In recent years, some patented technologies have emerged to solve such problems, such as

[0003] Patent application number 200610041939.8, name: energy feedback AC / DC universal energy feedback electronic load simulation device;

[0004] Patent No. 200720179067.1, patent name: a switching power supply energy-saving burn-in device.

[0005] The basic structure of the technical solutions disclosed in the above two patents is as follows: figure 1 shown.

[0006] figure 1 In , the dotted line part is the energy-saving electronic load, which includes two p...

Examples

Embodiment Construction

[0061] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0062] Such as figure 2 Shown, implement a kind of method of power supply aging, described method comprises the following steps:

[0063] A. Set the system input current sensor CS1 at the input end of the system or the aging power supply current sensor CS2 at the input end of the aging power supply to detect the total input current Iin of the system or the input current Ip of the aging power supply;

[0064] B. Send Ip or Iin to the harmonic current detection unit of the energy-saving electronic load 20 to obtain its harmonic content signal;

[0065] C. The DC / AC control circuit controls the DC / AC circuit according to the harmonic content signal, so that it outputs grid-connected current with corresponding harmonic content;

[0066] D. Feed back the grid-connected current Ie to the input terminal of the aged power supply 10 for harmonic com...