DC-DC的例句大全

Emergency DC power support to AC power system in the South China Power Grid

南方电网中直流输电系统对交流系统的紧急功率支援

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An electric circuit and magnetic circuit coupled model of the DC biased power transformer was presented.

提出一种电力变压器直流偏磁的电路–磁路模型.

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Edison's system used a 110 V two wire DC underground distribution network.

此爱迪生电力系统采用110伏两线制地下配电网.

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The modification of KGLF 11 synchronous motor excitation system by DC digital converter was introduced.

介绍了用数字式直流装置改造KGLF11型同步电动机励磁系统的方法.

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The nanometer tin powders were prepared by DC arc plasma evaporation a self-designed and fabricated apparatus.

采用高纯锡,通过 自行 设计的直流电弧等离子体蒸发设备制备了纯净的纳米锡粉.

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The crack arresting problem in a thin current carrying plate was studied for the situation of providing a DC current perpendicularly toward the crack direction.

研究了带有有限长裂纹的导电薄板在垂直于裂纹的方向上通入直流电流时，裂纹的止裂问题。

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This design scheme adopts high frequency transformer inverter power system structure with DC-link in middle. It consists of high frequency inverter, isolation and booster voltage transformer, rectifier with filter, high frequency SPWM inverter and output filter.

该方案采用中间直流环节的高频变压器式逆变电源系统结构，它由高频逆变、高频变压器隔离升压、整流滤波、高频SPWM逆变和输出滤波组成。

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The final passage introduces the main circuit design, filter inductance design, transformer design, DC blocking capacitor selection, soft-switching design and implementation as well as master computer basic control of discharge power supply.

该章较为详细的介绍了主电路设计，滤波电感和变压器设计，隔直电容的选取，软开关的设计与实现以及上位机对放电电源的基本控制。

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DC. Methods: Choose the biennial plant, get rid of50% alabastrums of them, but make another bloom and fruit.

方法：选择二年生长势基本相同的植株，将其中的50%去除花蕾，另外的50%任其开花结果。

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The cut-off frequency of this filter can be controlled by dc biasing current, meanwhile, the low sensitivity characteristics of passive electrical network is also reserved.

截止频率可通过电流进行控制，同时保持了无源网络低灵敏度的特点。

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Design of DC Motor Control System in NC Flame Cutter Height Automatic Adjustment Device

数控火焰切割机自动调高器中直流电机控制系统设计

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Application of PLC and DC Speed Adjustment in Double-housing Facing Machine

PLC及直流调速系统在龙门刨床中的应用

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In voltage dip control, combining with the capacity of converters, appropriating to relax the DC side capacitor design margins, we can further improve the grid-side converter control performance under the voltage drip situation.

在电压跌落控制中，结合变流器的容量，适当放宽直流侧电容设计裕度，可以进一步完善网侧变流器的电压跌落控制。

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Influence of Air Pressure and Humidity on Positive DC Corona Streamer Pulse Characteristics

气压和湿度对正直流电晕流注脉冲特性的影响

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The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured, the results were in good agreement with the waveforms calculated by the fluid model.

为此，测量了不同气压和湿度下的正直流电晕流注脉冲幅值和脉冲重复频率，实验结果与利用流体模型计算得到的波形随气压和湿度的变化规律一致。

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Corona effect is one of the key issues of designing UHV transmission lines, in which the influence of temperature and humidity on DC conductor corona should be considered.

电晕效应是特高压输电线路设计中所考虑的关键题目之一，温度、湿度对直流导线电晕影响规律是特高压直流输电线路设计的依据。

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The DC magnetic biasing may be amplified by the reactive power compensator and causes resonant, which will be a great threat to the safe operation of the electric power capacitor and do harm to the power grid.

直流偏磁谐波在一定条件下会在变压器低压侧无功补偿装置中放大或产生谐振，严重威胁电力电容器的运行安全。

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While the HVDC run in monopole to ground operation, Current in the earth make the transformer that have different potential bring DC magnetic biasing.

超高压直流输电系统以单极大地方式运行时，地中电流使处于不同地电位的接地交流变压器中产生直流电流；

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A Study of DC-Resistance Magnetic Biasing of Inverter Transformer

逆变电源变压器抗直流偏磁的研究

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Secondly, separate the system into dc biasing circuit, filter circuit, linearization technology, cooling technology, and broadband matching network. In detail describe the function, circuit structure, and design method of each module.

其次，将系统分为偏置电路、滤波电路、线性化技术、散热、以及宽带匹配网络等模块，详细叙述了每个模块的作用、电路结构和设计方法。

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