查询词典 circuit

The paper gives a new idea that rapidly cut off the circuit at low-current time when power system has happened short circuit.

本文以发生短路故障的电网为研究对象，对其短路情况进行分析，并在此基础上着重研究了短路危害最为严重的三相对称短路。

Next, the following points are emphasized:(1) The design of photoelectric conversion preamplifier circuit. In order to improve the measurement accuracy of luminometer and ensure linear relationship of the photoelectric, operational amplifiers is designed as current-voltage converter form, on the one hand, it is available to zero-load effect; on the other hand, short-circuit current can be transformed into a voltage volume through the feedback resistor, it is equivalent to voltage drop flowed through a load resistor on the actual effect.

其次，本文重点做了以下工作：(1)光电转换前置放大电路的设计：为了提高照度计的测量准确度，确保光电间的线性关系，本设计把运算放大器接成电流电压变换器的形式，一方面可得到零负载效应；另一方面，短路电流通过反馈电阻变成电压量，实际效果相当于流过一个负载电阻形成的压降。

The Mixed-Potential Integration Equation based Partial Element Equivalent Circuit technique, which converts a circuit layout into a lumped RLC element coupled network, has been widely used in the modeling of integrated passives.

然而，通过部分等效电路算法产生的集总器件网络往往具有数量十分巨大的节点数和器件数目。

This paper, on the base of the forward circuit, discusses the effects of the circuit topology and material of magnetic core on the efficiency, size and weight of the power transformer.

超微晶材料在一定的工作频率范围内可以减小变压器的体积、重量和损耗，是一种优良的新型磁性材料。

The authors combine the equivalent magnetic circuit in time domain with equivalent electric circuit in frequency one,and use it to analyze and calculate the specialities of a three-phase transformer successfully.

作者将时域中变压器的等效磁路法同频域中变压器的等效电路法有机地结合在一起，成功地用于分析和计算GIC作用时三相电力变压器的特性。

Finally designs has the tonality control circuit the audio frequency amplification electric circuit to have very well chooses the frequency function, with pronunciation magnifying power.

最后设计出来的带有音调控制电路的音频放大电路具有很好的选频功能，和语音放大能力。

Base on the principle, the main circuit and control circuit of 2-phase hybrid stepping motor systems are designed. The system can realize many functions such as fix-frequency pulse width modulation, current sampling, power magnifying, ring distribution, producing control signal, and so on.

完成了对二相混合式步进电动机微步驱动系统主电路及控制电路的具体设计，实现了恒频斩波、信号检测、环形分配、微步信号的产生等功能，并搭制了实验电路进行实验验证。

Based on theoretical analysis and simulation results, the design procedure to the main circuit and control circuit of the laser power supply is discussed.

最后，总结了电源设计过程中的经验，指出了在设计电路和电源制作过程中的一系列问题。

Based on these methods, the design procedure to the main circuit and control circuit of two convertors is discussed.

尤其对APFC电路，提出了一种用于指导实际参数设计的大周期平均法和检验输出稳定的动态平衡判据。

The hardware design of it mainly includes circuit of radio reception、signal sampling circuit、the CPU control unit ,man-machine conversation and communication interface;The software design contains data sampling module ,analysis and processing module,keyboard and display program module and so on.

监测记录仪的硬件设计主要包括收音电路、采集电路、CPU控制单元、人机接口单元和通信接口；软件的设计包含数据采集、分析处理、远程通信和键盘显示等程序模块。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。