直流的

Specially, in allusion to winding"s DC resistance test, a measure named gyrator is promoted which realized the resistance"s fast and accuracy test.

特别针对绕组直流电阻测试，提出了用"回转器法"实现绕组的直流电阻的快速、准确测试。

With it,t he e lectromechanical transient calculation for AC network and the electromagnetic tr ansient calculation for DC network can be done simultaneously,and the DC line be havior during transient process can be observed more accurately.

该模型能够在对交流网络进行机电暂态计算的同时，对直流网络进行电磁暂态计算，因而能较精确地考察暂态过程中直流线路的动态行为。

It is the domestic test system of the generator test station of intermediate frequency of the certain Military industry enterprise.

由于直流电动机具有极好的运行性能和控制特性，所以直流调速系统是自动调速系统的主要形式。

Based on the equivalent-two-machine-two-area AC/DC parallel system, a time optimal control plan for a second-order oscillation system is developed and a TOC strategy for quickly suppressing interzone disturbance is proposed.

为了快速平息交直流互联电网的区间扰动振荡，基于等值两机两区域系统推导了2阶振荡系统的时间最优紧急直流功率支援控制策略。

This paper instructed the numerical control DC constant current source which makes use of the AT89C51 version single chip microcontroller is the main controller in this system, while the set value and the real output current can be displayed by LED.

本文介绍了采用AT89C51单片机为主控制器，通过键盘来设置直流恒流源的输出电流，并由数码管显示电流设定值的数控直流恒流源。

The DC reactive power is the only parameter to be specified in calculation, and the partial differential formulas in Jacobian matrix do not change when the DC control model changes.

计算时，只需规定换流器直流侧的无功功率，而且当直流系统控制方式发生变化后不需重新推导Jacobian矩阵中的偏导公式。

A different test voltage must be used as compared with AC (1.414xAC RMS Voltage=DC Peak voltage).

同样的测试，与交流电压相比较﹐直流测试电压数值是不同的(1.414 X 有效值电压=直流峰值电压)。

For large capacity of inverter, due to the dc bus voltage is higher, ac output generally do not need to boost transformer can achieve 220V, in medium and small volume of inverter, due to the low voltage dc 12V, such as, must design, 24V pressor circuit.

对大容量的逆变器，由于直流母线电压较高，交流输出一般不需要变压器升压即能达到220V，在中、小容量的逆变器中，由于直流电压较低，如12V、24V，就必须设计升压电路。

Sano model and deduced by the rate equations for excess electron and excess hole, can be used in DC analysis, AC analysis and transient analysis. The result of DC photoelectric characteristic simulation coincided with the experiment very well.

Sano模型为基础，结合过剩电子、空穴速率方程得到的，可用于直流分析、交流分析和瞬态分析，其直流光电特性模拟分析结果与已报道的实验结果符合得很好。

In order to apply this principle to AC/DC power system, the switch cycle average singular perturbation models of typical converters were made.

建立交直流电力系统中典型电力电子元件的开关周期平均奇异摄动模型，并运用所提出的降阶原则，对简单交直流电力系统进行降阶研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。