1) current sine
电流正弦
4) sine-wave voltage power supply
正弦交流电
1.
At atmospheric pressure if uniform glow discharge is to be established by means of sine-wave voltage power supply in dielectric barrier discharge (DBD), the frequency of power supply, which is critical for the uniform glow discharge, has to be modulated appropriately.
为了实现常压下的均匀辉光放电,以正弦交流电源为例,探索有利于均匀辉光放电的电源频率。
5) sinusoidal current source
正弦波电流
1.
The DBD circuit powered by series resonant invert can be considered DBD circuit powered by sinusoidal current source on the basis of characteristics of the series resonant invert:The equivalent circuit is analyzed and some equations about discharge gap are de- duced in this paper;The dischange gap voltage is represented in terms of Fourier transform.
本文从串联谐振逆变器的特点出发,将串联谐振逆变器供电的介质阻挡放电电路等效为由正弦波电流供电的介质阻挡放电电路;对正弦波电流供电的介质阻挡放电电路进行了分析,推导出了放电间隙电压和放电间隙电流的数学表达式:对放电间隙电压进行了傅里叶分解。
6) non-sinusoidal current
非正弦电流
1.
Analysis) of the performance of multi-phase induction machines with non-sinusoidal currents in their stator windings requires knowledge of the relationship between the harmonic currents and the corresponding harmonic magneto-motive forces (MMF s).
为了分析定子绕组流过非正弦电流时多相异步电机的运行性能,必须了解谐波电流与谐波磁势的对应关系。
补充资料:正弦电流
正弦电流 sine current 按正弦律随时间变化的电流。其表达式为 i=Imsin(ωt+ ψi) 式中Im为振幅,ω为角频率,ψi为初相角,(ωt+ψi)为相位。正弦电流有3要素:①Im是正弦电流所能达到的最大值。②ω为正弦电流的相位随时间变化的速度。③ψi为正弦电流在t=0时的相角。 在工程上,常用正弦电流电压的有效值表示其大小。它指的是一个与周期电流平均热效应相等的直流电流的量值。电工设备的额定电流、电压,交流测量仪表的电流、电压示值等都是有效值。但电工设备的耐压值却不是有效值而是电压的最大值(振幅值)。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条