English translation for "negative current"
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- 负电流
Related Translations:
- Example Sentences:
| 1. | This paper analyses the test results gained by mixed simulation , and validates the reliability of the use of transient zero current and negative current in fault identifying
文中讨论了负序电流的分布及提取问题，试验数据同样表明负序电流用于单相接地故障识别是可行性的。 | | 2. | So it can be used for single - phase fault identifying . this paper discusses the size of the negative current and the method of analyzing it . numeral simulation shows the feasibility of it
由于负序电流在故障线路和非故障线路上具有显著差异，故本文也研究了将负序电流作为故障特征量的可行性。 | | 3. | This paper discusses the size of transient zero current and the method of analyzing it . numeral simulation shows the feasibility of it . negative current at fault line is differ distinctly from non - fault line
文中讨论了零序电流暂态分量的大小和提取方法，对数字仿真和混合仿真试验数据进行分析，结果表明零序电流暂态分量用于单相接地故障识别是可行性的。 | | 4. | There are five parts are as follows : in part one , the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration , then the low frequency oscillation of the system is simulated according to the model . next , from the view point of energy conversion of the inverter - induction system , a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入开关函数概念，建立了正弦脉宽调制( spwm )逆变器供电异步电动机，考虑主磁路饱和时的变频调速系统整体数学模型，模拟系统的低频振荡；其次从逆变器-异步电动机系统能量转换角度出发，提出通过检测逆变器输入电流中负电流的间隔时间是否大于1 / f _ c ( f _ c为逆变器载波频率)来判定系统是否出现低频振荡；最后的实验结果验证了系统低频振荡建模和判据的实用性和正确性。 | | 5. | There is great change of negative current component when it happens the line - open fault . it is marked as the occurrence of the fault . and it can be concluded the phase characteristic of negative current in the line . in the transient course , there are plenty of harmonics in the fault line . through the transient analysis , it is drawed that the amplitude of each harmonic in fault phase is greater than other phases . harmonic current in fault line is far greater than other normal lines
发生断线故障以后,线路中会出现负序电流的突变,可以作为故障启动判断的标志,并且通过分析得出了故障时负序基波电流的相位特点。在故障暂态过程中,故障电流中含有大量丰富的谐波成分,各次谐波在故障期间有突变,并且衰减很快。 |
- Similar Words：
- "negative crown" English translation, "negative cruvature" English translation, "negative crystal" English translation, "negative crystallization" English translation, "negative cue" English translation, "negative current feedback" English translation, "negative current test" English translation, "negative curvature" English translation, "negative cut off grid voltage" English translation, "negative cut-off grid voltage" English translation
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