利用等效电路,分析了三相异步电动机在不对称电压下的性能和对电机的危害。
By applying equivalent circuits, this paper has analyzed three-phase asynchronous motor property and the harm to generator under asymmetrical voltage.
为了更确切地描述实际系统中的混沌现象,提出了一种变形蔡氏电路,它含有一个不对称非线性阻性元件。
In order to describe the actual chaotic systems exactly, a simple modified Chua s circuit is presented, which includes an asymmetric nonlinear resistive element.
对上述不对称因素的作用,利用等效电路和相量图作了定性的说明。
A qualitative explanation of the action of these asymmetries is presented by using equivalent circuits and phasor diagram.
基于上述三相交流电弧炉电路模型,分析了电流不对称和阻抗不对称对电弧功率的影响,并讨论了交流电弧炉三相电参数互相影响的复杂性。
The influences of the asymmetry of current and impedance on the arc voltage and power were analyzed, and the investigation complexity was also discussed.
由于设计采用了不对称半桥结构,提高了系统主功率电路的容错性。
The system adopts asymmetry half bridge structure, which makes the main power converter fault tolerant.
针对一新型表面处理工艺,设计了一种符合工艺要求、可输出双向不对称脉冲的高压脉冲电源实现电路。
This paper introduces the design of high voltage low current pulse power supply with two polarities, which is used in a new type chemical surface disposal.
在研制过程中采取的主要技术措施是:改进晶闸管触发电路,消除了触发脉冲相位的不对称;采用霍尔元件作为电流检测元件,能检测出变压器的实际电流值;
In the developing course, the main technique measures are: improving the trigger circuit of thyristors to eliminate the unsymmetry of the trigger pulse phase;
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
电力有源滤波器能动态补偿不对称三相电路的畸变电流、负序电流分量。
Active power filter can compensate current components which include distortion and negative sequence current components when it is used in unbalanced three-phase circuit.
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