【摘要】 介绍了测功法甩负荷试验的原理，详细分析和比较了测功法与常规法试验的不同之处，推导出了基本计算公式，并对试验结果可能产生的各种误差，包括ＩＥＣ推荐公式的误差进行了分析。更多还原

【Abstract】 The principle of load dump test by powerdetermining method is described and a detailed comparison and analysis on powerdetermining method and conventional method are carried out. The basic calculating formulae are derived and the possible errors arised in the test, including the error of IEC recommended formula are analysed.更多还原