由功率四边形进一步确立了非正弦交流电路中的电流四边形和导纳四边形，以及它们和功率四边形的相似关系。
Further, the current quadrilateral and admittance quadrilateral, as well as their similarity to the power quadrilateral in non-sinusoidal alternating-current circuits were derived.
本发明电路结构简单，输出的交流电的波形为纯正弦波，输出的电压和频率稳定，不会随输入电压和负载的变化而变化。
The circuit of the invention is simple, the wave output is pure sine wave, voltage and frequency output is stable, they do not change with input voltage and load.
谐波理论分析对于非正弦交流电路的研究具有重要的理论和实际意义。
The analysis of modulation wave theory has very important theoretical and actual meaning for studying non sine alternating current.
通过仿真和电路试验证明，该滤波电路能将电流畸变率由原来的30.53%降低到9.45%，从而使交流侧的电流接近正弦波。
Both the computer simulation and model experiment prove that it can reduce the total harmonic distortion of the harmonic current from 30.53% to 9.45% and make the waveform approach to sine wave.
文章介绍一个用节点分析法计算正弦交流电路的程序。
A program based on the node analysis method which can be used to compute Sine AC-Circuit is described.
瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。浪涌、谐波为主要的表现形式。
Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation.
瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。浪涌、谐波为主要的表现形式。
Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation.
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