With rapid development of power electronic technology , many new kinds of aerostat power appear . to make these new powers have good characters , studying the theory of electric parameter measurement is necessary . the combination of data acquisition systerm and pc is used widely now , and it will play an important role in electric parameter measurement 随着现代电力电子技术的飞速发展,新型航空器电源也不断出现,为保证这些新型电源拥有良好的供电品质,减少对系统的谐波污染,就必须研究并解决其各项电气参数的测试问题。