The safe,reliable,accurate and economic operation of electric energy measurement depend on the in-struments installed on the power production site that can measure voltage,current,power,electric energy and other electrical parameters,as well as the professional ability of power practitioners,especially marketing professionals.Training is a shortcut to improve the ability of practitioners.This paper introduces a kind of wiring principle training device.After determining the type of wiring error by measuring the parameter information,the device can intuitively display the specific wiring situation,which is convenient for the trainees to correspond the theoretical knowledge with the actual wiring,so that the trainees can quickly master the type of wiring error.At the same time,the opera-tors can directly operate on site when changing the type of wiring error Its simple and convenient.
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