查询词典 power driven

Its friction type clutch working principle is when power transmits the export and input end design on route have is active and driven move two pieces of friction plate, the conduct that passes through the combination of friction plate to control power and cut off.

摩擦式离合器其工作原理是在动力传递路线上的输出和输入端设计有主动和从动两块摩擦盘，通过摩擦盘的结合来控制动力的传导和切断。

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。

The mathematical model and working modes of a novel three-phase two-arm three-level neutral-point-clamped pulse width modulation rectifier suitable for direct-driving wind power system are analyzed in detail, and the constant frequency control strategies based on space voltage vectors are proposed and applied to the rectification conversion of direct-driven power generation system.

系统分析了新型三相两桥臂三电平中性点箝位脉宽调制(pulse width modulation，PWM)整流器的数学模型和工作模式，提出了基于空间电压矢量的恒频控制策略，并将其应用于直驱风力发电系统整流变换中。

Engine-driven power sources can be used for in-the-field maintenance, pipe welding, or construction work, and many also have power generating capabilities.

发动机驱动电源可用于现场维修、管道焊接或施工工程，很多还有发电能力。

The following areas: design of transmission of the table, mainly the use of ball screws; the overall structure of the design table to understand the strengths and weaknesses, take full account of the principal contradiction, merit-based selection; control system design, its applications become more familiar with the Stepper motor-driven feed location can be accurate but the drawback is the lack of output power, so consider the source of the hydraulic motor as the driving force and the stepper motor drive system into the compound, hydraulic feeding Although it is impossible to locate, but with high output power, the two complement each other, so that accurate feed motion can be stable.

有以下几个方面：工作台的传动机构设计，主要是滚珠丝杠的运用；工作台整体结构的设计，了解优缺点，充分考虑主要矛盾，择优选取；控制系统的设计，进一步熟悉其应用步进电机驱动进给可以进行准确的定位但有个缺点就是输出力不足，所以考虑将液压电机作为动力源与步进电机驱动进给系统复合，液压进给虽然无法进行定位，但具有高输出力，二者优势互补，使进给运动可以准确稳定的进行。

This offers a reduction in power consumption of up to 30 percent in comparison with the transformer driven power supplies typically used with this type of lamp head, and also takes up significantly less floor space.

这提供了在功率高达百分之三十，与变压器驱动电源比较典型的消费量减少供应与此灯头类型，并占用少得多的厂房空间。

Light - heat - electricity conversion of solar radiation through the use of thermal energy generated by power generation, is normally provided by solar collectors to heat absorbed by refrigerant into steam, and steam turbine-driven power generation.

光-热-电转换方式通过利用太阳辐射产生的热能发电，一般是由太阳能集热器将所吸收的热能转换成工质的蒸气，再驱动汽轮机发电。

Light - heat - electricity conversion of solar radiation through the use of thermal energy generated by power generation, is normally provided by solar collectors to heat absorbed by refrigerant into steam, and steam turbine-driven power generation.

一、太阳能发电方式太阳能发电有两种方式，一种是光-热-电转换方式，另一种是光-电直接转换方式。

If the axial flow pump are used for diesel or gasoline engine power, and can change the size of variable-speed throttle; if the axial flow pump with the power machine is linked to the use of triangular belt or flat belt drives the overhead, you can change to variable speed drive pulley diameter, the replacement of driving wheel or the driven wheel can be, the purpose is to change the transmission ratio.

如果轴流泵是采用柴油机或汽油机作动力的，可改变油门大小来变速；如果轴流泵与动力机相联是采用三角皮带或平皮带间接传动装置的，则可以改变传动皮带轮直径来变速，更换主动轮或从动轮都可以，目的是改变传动速比。

From the sea to land, from tree to tree, from crawling to standing, from the use of tools to manufacture tools, from Earth to space and the power of human self-behavior, self-driven desire for power, under the command of self-weighing has long been beyond the of the "survival act" category.

从大海到陆地，从树上到树下，从爬行到直立，从使用工具到制造工具，从地球到太空，人类的自我权力行为，在自我权欲驱使下，在自我权衡统率下，早已超越了&生存行为&的范畴。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。