查询词典 direct-current converter

In a direct test, the circuit to be tested can be monitored by an electronic device such as an analog-to-digital converter.

在一个直接的测试中，被测试电路可以由一种电子设备（例如模拟到数字转换器）进行监视。

However, due to the direct conversion characteristic of matrix converter, the drive performance of induction motor is easy to be influenced by input voltage disturbances of MC.

但是，由于矩阵式变换器的直接变换特性，异步电机系统的调速性能易受到矩阵式变换器输入侧电压扰动的影响。

Broadband Internet Access/Air conditioning/Satellite Television/International Direct Dial/Electronic Safe/Hair Dryer/Electric Adapter / Converter/Complimentary daily newspaper/24-hour Business Center/Air conditioning/self-serving laundry/business service, etc.

宽频互联网/独立控制的空调/有线电视节目/国际国内直拔电话/私人保险箱/吹风筒/电源转接器/赠阅报纸/24小时商务中心/中央循环热水/洗衣服务/商务服务等。

A direct digital synthesis technology, based on large capacity synchronous dynamic random access memory, was used, in which the table of arbitrary waveform amplitude generated by CPU according to testing requirement was stored, and FPGA outputs the amplitudes to D/A converter.

采用基于大容量同步动态随机存储器任意波形表的直接数字合成技术，由CPU根据检测需求生成任意波形幅值表，存储到SDRAM中，现场可编程门阵列器件将波形数据输出到D/A转换器，经滤波、放大后驱动涡流探头。

One kind of 38 V/100 A direct paralleling high power AC/DC converter is introduced.

介绍了一种 38V/100A 可直接并联的大功率 AC/DC变换器。

Lime consumption, quantity of slag, oxygen consumption and Fe loss are gained by material balance calculation of hot metal dephosphorizing pretreatment and direct steelmaking process in converter.

通过对预直炼法前后期总物料平衡计算，得出总石灰耗量、总渣量、总氧气消耗量和渣中铁吹损量。

Especially in direct-driven wind power generation system, it requires the full power converter, so it must pay more attention on multilevel converte.

尤其是对于直接驱动型风力发电系统，需使用全功率变流器，研究多电平变流器有一定的现实意义。

Considering the geographic dispersive distribution of large-scale offshore wind farms and the feature that doubly-fed wind power generators or direct-driven/ hybrid-driven wind power generators are mainly adopted in them, a power transmission topological structure of VSC-HVDC system corresponding to the connection offshore wind farms with power grid is proposed, and related control strategy is designed.

针对大规模近海风电场地理分布上高度分散以及主要采用双馈式或直驱/半直驱式风电机组的特点，提出了相应的电压源型变流器的高压直流(voltage source converter based HVDC，VSC-HVDC)并网传输拓扑结构，并设计了相应的控制策略。

Combined with the nonlinear characteristics of wind turbines and the control strategy of generator-side converter and grid-side converter, used the design method for digital PI regulator, the back-to-back PWM converter on the wind-power system with direct-driven permanent magnet synchronous generator was built in the simulink of the MATLAB.

结合风力机的非线性特性和机侧变换器与网侧变换器的控制策略，应用数字PI调节器参数设计方法，在MATLAB/simulink仿真环境下构建了基于背靠背变换器的永磁直驱风力发电系统，系统包括风力机、永磁同步发电机、变频器、电网及其电气控制部分的数学模型，仿真结果表明风电系统的PI调节器参数设计合理且系统具有良好的运行特性。

One structure of using V/v connection and three phase three leg converter under direct or BT supply, one structure of using two single phase converter and V/x connection under AT supply are both researched and simulated detailed.

系统整体结构设计后，以直接供电或BT供电方式下，采用V/v接线变压器和三相三桥臂变流器，及AT供电方式下，采用V/x接线变压器和两个共用一直流环节的单相变流器的系统结构为对象，分别进行详细研究和仿真。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。