查询词典 voltage barrier

In reality,the method of series capacitor is often used,which can obtain the high rated voltage(the value of permissible voltage),and the value of permissible voltage of series capacitors needs to be calculated.

电容器的电容量和耐压值是电容器的2个主要指标，在实践中常采用串联电容器的方式来获得较高的额定工作电压，因此常需要计算串联电容器的耐压值。

On the basis of discussion above, a new Ip-Iq transformation method by using positive sequence voltage component instead of common coupling point voltage is proposed to ensure that the reactive current can be detected accurately under unbalanced voltage system.

在此基础上，论文利用所检测得到的基波正序电压代替D-STATCOM接入点电压进行Ip-Iq变换，克服了接入点电压不平衡对Ip-Iq变换法的影响，实现了参考信号的快速、准确检测。

Thus an oil-paper insulation system model is introduced for the return voltage analysis. By testing different aged paper or pressboard, the impact of aging degree to the return voltage may be achieved, and it could be helpful to the aging assessment. Based on the principle of polarization process, the basic theory of return voltage is present.

为此，在研究油浸电力变压器绝缘结构的基础上构建了油纸绝缘系统模型，针对该模型进行了回复电压试验，试图通过改变纸的老化程度来分析此时回复电压的变化规律，以期由此有助于进行老化评估。

Noting down amplitude voltage signals and phase voltage signals exported by interface circuit, with the weight value of pressboard the corresponding moisture value can be calculated, and a table reflecting the relation of voltage signals and moisture can be made.

记录经过调理电路处理输出的幅值信号和相位信号，根据绝缘纸板质量算出此时对应的湿度值，制成电压信号与湿度值对应的表格。

This output voltage is the VID controlled reference voltage whose primary function is to determine the output voltage regulation point.

这个输出电压是由VID控制的基准电压，它的主要功能是检测输出电压调整端。

According to More Effect,when the Hore component is placed in a gradient field,at the same time the direction of the current is perpendicular to the direction of the voltage,then between the two parallel side face come out the Hore voltage. When Hore component is set in this kind of uni-gradient magnetic field and the electric current is unchanged,the voltage output of Hore component will be proportional to the position of the Hore component in the magnetic field.

根据霍尔效应可知，置于磁场中的霍尔元件若电流方向与磁场方向垂直，则在霍尔元件垂直于磁场和电流方向的两个侧面将产生电势，将霍尔元件置于强度随空间位置线性变化的磁场中，且控制电流恒定，输出就正比于霍尔元件处于磁场中的位置，因此可以用霍尔元件来测量磁场与霍尔元件间的相对位移量。

precise calculating formula is derivated to determine magnification ratio of voltage,input resistance and output resistance in amplifying circuits based on th feedback circuit model with cascade voltage.with th new calculating methods put forward by the author,it is possible to solve the problems in terms of calculation in amplifying circuits,the key problem being low level of exactness.the research shows the influence of components′ parameters of basic amplifying circuits and feedback circuits on feedback amplifying circuits.the results of the research may contribute to design amplifying circuits and electronic instrument with higher performance,due to the simpler calculation in the design of feedback circuit with cascade voltage.

摘 要：在建立电压串联反馈电路模型基础上，推导出放大电路中的电压放大倍数、输入电阻、输出电阻的精确计算公式。提出新的计算方法，从而解决了放大电路计算不方便，精确度不高、准确性不够的问题。同时进一步揭示了基本放大电路、反馈电路元件参数对反馈放大电路的影响关系。为设计出高性能放大电路及电子设备指明了方向，更加方便于电压串联反馈电路的计算。

For the principal component, namely the voltage stability analysis function, three kinds of nodal injection power modes are defined, i.e., the random varying direction of load, the response setting direction of generator and the ratio of active power component to reactive power component in load power, and a continuous power flow model that is easy to utilize and comprehend by dispatching center is built, based on this model three kinds of formulae to calculate the sensitivities of loading margin with respect to three kinds of nodal injection power modes are derived respectively, and on this basis the influence of nodal injection power mode on loading margin can be analyzed in order that the voltage collapse can be avoided by fast implementing early warning of voltage stability and adopting effective corrective control.

文章针对N-EMS的主要组成部分--电压稳定分析功能，定义了3类节点注入功率模式：负荷的随机变化方向、发电机的响应设定方向、负荷的有功和无功比例，建立了易于被调度中心运用和理解的连续潮流模型，在此模型基础上分别推导得到负荷裕度对3类模式的灵敏度公式，据此分析节点注入功率模式对负荷裕度的影响，以便能够快速进行电压稳定预警和采取有效的校正控制来避免电压崩溃。

Apparently, not only good temperature coefficient and regulable output voltage, but also good temperature coefficient output current can be obtained by regulating some of the resistances. The input offset voltage can be restrained by this method also. The result of the emulator shows that the temperature coefficient of the band-gap voltage reference is 2.8 × 10^(-5)/K, and the PSRR is over 70 dB.

从理论分析结果可以看出，该电路可以通过适当调节电阻之间的比例而得到温度特性好的输出电压和电流，以及输出可调的输出电压，还可以抑制失调噪声的影响。

MSP430F169 microcontroller was the core components of control and measurement function of an electromagnetic relay characteristic parameter tester. The tester also included DC power module, power amplifier module, constant current source module, keys, and digital tube display module. The tester could test the data of 943-1C-12DS electromagnetic relays including the minimum pull-in voltage, maximum release voltage, relay coil voltage rating when the pull-contact time, release time as well as the contact value of the contact resistance. The system could complete automatic measurement parameters to achieve all the basic requirements of design. And all of the test data was displayed through the 74HC573 digital tube.

摘 要：以MSP430F169单片机作为控制和测量的核心部件，辅以直流稳压电源模块、功率放大电路模块、恒流源模块、按键和数码管显示模块等组成一个电磁式继电器特性参数测试仪，完成对943-1C-12DS电磁式继电器最小吸合电压、最大释放电压、继电器线圈电压为额定值时的触点吸合时间、释放时间以及触点接触电阻值的测试，该系统能够实现成套参数自动测量，所有测试数据通过74HC573数码管进行显示。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。