...原理，利用控制电路给予适当的开通、关断信号，IGBT就能根据你的控制信号将直流电变换成交 igbt应用——逆变电焊机(ac-dc-ac-dc) 在igbt模块中,与igbt元件还并联一个二极管 igbt逆变直流弧电焊机 首先，逆变器的作用是将交流电变为直流电，然后用电子元件对直...
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By comparing the heating effect of an unknown AC signal to that from a known DC reference, metrologists can determine the RMS AC quantity (voltage or current) in terms of the DC quantity.
为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值(电压或电流)。
By digital simulation, the Ac carried wave system and its equivalent Dc system are checked and the feasibility of Dc method equivalent to the Ac carrier wave system is verified.
通过数字仿真，比较了交流载波系统和其等效直流系统，验证了交流载波系统等效直流方法的可行性。
The problem of oversimplification and improper selection of DC model, which exists in the DC modeling when AC and DC systems interact in AC/DC hybrid power system, is discussed.
讨论了目前研究交、直流混合电网交直流系统相互作用时在直流建模上存在的模型过度简化及模型选用不恰当的问题；
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