低压电器短路试验系统中开展高压电器动热稳定试验的研究

Research on Short-Time and Peak Withstand Current Test of High VoltageApparatus in Short Circuit Test System of Low Voltage Apparatus

动热稳定试验,即短时耐受电流和峰值耐受电流试验,是检验电器性能的重要试验。随着低压电器短路试验系统容量的不断增大,可开展部分高压电器试验。以基于低压电器短路试验系统开展高压电器动热稳定试验为研究对象,结合标准要求,从电流调试角度,包括整定电流有效值和电流峰值,提出计算及试验方法。所提方法能够为相关人员在低压电器短路试验系统中开展高压电器动热稳定试验提供相关参考。

Short-time withstand current test and peak withstand current test is an important test to check the electrical performance.With the increasing capacity of short circuit test system of low voltage apparatus,some tests of high voltage apparatus can be carried out.In this paper,the short-time withstand current test and peak withstand current test of high voltage apparatus based on the short circuit test system of low voltage apparatus is taken as the research object,and the calculation and test methods are proposed from the perspective of current debugging,including setting current effective value and current peak value.The method can be applied to the short-time withstand current test and peak withstand current test of high voltage apparatus in the short circuit test system of low voltage apparatus,and provide reference for personnel.