直流的

On the basis of theoretical analysis in the design of the DC-loop variable speed system.

在理论分析的基础上设计了直流双闭环调速系统，并利用MATLAB中的SIMULINK工具箱，对直流调速系统进行仿真分析及参数调试。

The driving part is made up of leveling driving seat, decelerate machine, YWZ arrester, coupling, drive distributing box, shafts and sheath connector, universal cross transmission shaft etc. The main motor is equipped with DC timing motor in high power and DC numerical control system imported from England which has the qualities of rotate speed adjustment, low current in startup, large torsional moment and suits specially for continuous startup under the situation of high load.

驱动部分是由高程驾驶座位，减速机， ywz避雷器，耦合，驱动配电箱，槽及护套管接头十字万向传动轴等主电机配备直流调速电机在高功率直流数值控制系统输入来自英格兰有素质的转速调整，低电流启动大扭矩，特别适合连续开机的情况下，高负荷。

The scheme makes the DC side of unisolated single PWM rectifier as 350V DC lines. Charger and discharger modules connect to the DC lines. Use this method to charging and discharging single Li-ion battery.

方案将不隔离单相PWM整流器直流侧设计为350V直流母线，通过它与充电模块、放电模块的连接，实现对单体锂离子电池的充放电。

The key of establishing a DC high voltage standard is to calibrate the DC high voltage standard divider,the main traceable device,with high accuracy.

建立直流高电压标准的关键是要解决直流高电压的量值溯源问题。

The frequency conversion control of washing machine is pass power source voltage communication -- dc -- communication, or communicate -- the electromotor that washing machine brings to bear on again after dc inversion if not have

洗衣机的变频控制是将电源电压经过交流——直流——交流，或交流——直流逆变后再施加到洗衣机的电动机如无

An experiment on DC arc plasma ignitor which was made by ourselves was carried on to research jet characteristic, in which the influence of voltage was excluded by keeping the DC output voltage of plasma power at 24V.

对自行设计的直流电弧等离子体点火器进行射流特性实验，其中等离子体电源直流输出电压保持24V不变，排除电压的影响。

In terms of power distribution network for the integrated power system,this paper discusses the advantages of DC meshy network on the aspects of ship capacity setting and system reconfiguration and restoration.

本文在综合电力系统的输电网络研究方面，分析了直流网状网络在舰船容量设置以及故障重构方面的优点，阐述了直流区域配电系统在隔离故障和优化舰船设计方面的优势。

In order to study the overvoltage caused by monopolar grounding fault under bipolar mode in Ultra High Voltage DCsystem,the paper analyzes the monopolar grounding fault by use of phase-modal transformation method.

为研究双极运行的特高压直流输电系统中单极接地故障过电压，采用相模变换法分析了双极运行的特高压直流输电系统单极接地故障。

Commutating the machine change into the direct current to the alternate current.

经滤波后，稳压器再把不稳定的直流电压变为稳定的直流电压输出。

First, this paper analyses the basic structure and work principle of BLDCM, deduces its dynamic mathematical model.

首先，论文分析了无刷直流电机的基本结构和运行原理，构建了无刷直流电机的动态数学模型，为后续研究奠定了理论基础。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。