配电变压器能效试验中的降功率措施与实现

Measures and Realization of Power Reduction for Energy Efficiency Test of Distribution Transformer

阐述一种配电变压器能效试验的降功率方法,通过降低试验电源容量,减小能效试验装置的体积和重量,实现便于移动和携带的能效试验装置。采用数据拟合算法对试验数据进行修正,有效解决了配变能效试验数据与试验功率存在非线性导致误差大的问题,从而提高了能效测试的数据精度。

In this paper, a power reduction method for distribution transformer energy efficiency test is investigated. By reducing the capacity of the test power supply and the volume and weight of the energy efficiency test device, the portable and portable energy efficiency test device is realized;A data fitting algorithm is applied to overcome the nonlinear problem of the large error within the energy efficiency test data of the distribution transformer with the test power so as to improve the accuracy of the measuring data for energy efficiency test.