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Charger test load control method and device and storage medium

A technology for testing loads and control methods, applied in the direction of measuring devices, measuring electricity, and measuring electrical variables, etc., can solve problems such as unsatisfactory energy, waste of energy-consuming loads, etc., and achieve the effect of avoiding energy waste and saving energy

Active Publication Date: 2019-04-30
GUANGDONG POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present application provides a charger test load control method, device and storage medium, which solves the problem of wasting energy by the energy-consuming load during the on-load test of the charger, and the energy-feeding load cannot meet the ripple test items and interoperability Technical issues with the accuracy requirements of the test items

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  • Charger test load control method and device and storage medium
  • Charger test load control method and device and storage medium
  • Charger test load control method and device and storage medium

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Embodiment Construction

[0052] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0053] When testing the charger with load, the existing two loads have their own shortcomings. The embodiment of the present application provides a test load. The test load includes two working gears. The first is the energy consumption load gear. When switching to this gear, the energy consumption load is put into use, and the second is the energy feeding gear. T...

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Abstract

The invention discloses a charger test load control method. The method comprises the following steps: obtaining a test requirement sent by an upper computer; judging whether the obtained test requirement is corresponding to a ripple test item or an interoperability test item of a charger; if so, sending an energy-dissipating load switching instruction to enable a test load to be switched to an energy-dissipating load gear to test the charger; and if not, sending an energy-feedback load switching instruction to enable the test load to be switched to an energy-feedback load gear to test the charger. The method solves the technical problem that the energy-dissipating load wastes energy and the energy-feedback load cannot meet accuracy requirements of the ripple test item and the interoperability test item during on-load test of the charger. The invention also discloses a corresponding device and a storage medium.

Description

technical field [0001] The present application relates to the technical field of equipment testing, and in particular to a test load control method, device and storage medium of a charger. Background technique [0002] With the rapid development of electric vehicles, DC chargers matching electric vehicles are also put into use in a large range. [0003] The charger can meet the charging needs of electric vehicles. In order to ensure its normal operation, the charger needs to be tested before it is put into use or periodically. The test of the charger needs to be carried out with the cooperation of the test load, especially the metrological verification, which requires a full load test of the charger. [0004] There are usually two methods for the load test of the charger. The first is to use an energy-consuming load, which directly converts electrical energy into heat for energy consumption. In this way, because the power of the charger is very large, up to 240kW, the energ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 邓凯易斌孟金岭赵伟黄新钟宇星
Owner GUANGDONG POWER GRID CO LTD
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