负电流的英文
音标:[ fùdiànliú ] 发音:
"负电流"怎么读用"负电流"造句
英文翻译手机版
- negative current
- "负电"英文翻译 negative electricity
- "负电流测试" 英文翻译 : negative current test
- "负电" 英文翻译 : negative electricity
- "负电位;负电势" 英文翻译 : negative potential
- "带负电" 英文翻译 : negative charge
- "负电池" 英文翻译 : negative battery
- "负电导" 英文翻译 : negative conductance
- "负电的" 英文翻译 : electron-negative; electronegative; zincative
- "负电度" 英文翻译 : electronegativity
- "负电荷" 英文翻译 : negative charge
- "负电极" 英文翻译 : negative electrode; cathode
- "负电抗" 英文翻译 : negative reactance
- "负电路" 英文翻译 : negative circuit
- "负电平" 英文翻译 : negative level
- "负电热" 英文翻译 : negative potential
- "负电势" 英文翻译 : negative potential; negative restance
- "负电刷" 英文翻译 : negative brush
- "负电位" 英文翻译 : [电学] negative (electric) potential
- "负电性" 英文翻译 : electronegativity◇负电性金属 electronegative metal; 负电性缺陷 negative defect
- "负电压" 英文翻译 : negative voltage
- "负电晕" 英文翻译 : negative corona
- "负电子" 英文翻译 : negative electron; negatron
- "负电阻" 英文翻译 : [电子学] negative resistance
- "阴电,负电" 英文翻译 : negative electricity
- "带负电的,负电性的" 英文翻译 : electronegative
例句与用法
- 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。
相关词汇
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