查询词典 fodder chopper

This paper then compares three kinds of power conversion circuit applied in it and advances a main circuit which is based on IGBT's power grade nowadays and is applied in high power direct-driven grid-connected wind turbine. It is made up of a six-phase rectifier, two paralleled BOOST chopper circuits and two paralleled SPWM inverters.

文章在比较此种风力发电机的三种类型变流电路拓扑结构的基础上，提出了一种在考虑现有开关器件功率水平的情况下符合大功率直驱并网型风力发电机要求的变流电路拓扑结构，即采用&六相不控整流+两个并联的升压斩波+两个并联的三相SPWM逆变&的电路结构，并对其各部分电路的工作原理进行了分析。

Wind power generation ; permanent-magnet direct-driven ; uncontrollable rectifier ; Boost chopper ; SPWM inverter ; direct-current control

风力发电；永磁直驱；不控整流；升压斩波； SPWM逆变器；直接电流控制

Design and optimization of a double-disk chopper.

双盘斩波器的设计与优化。

The chopper s pilot reported engine failure shortly before the craft went down today in southeastern Afghanistan .

今天在阿富汗东南方向，飞机坠毁之前，飞行员就立刻报告发动机失灵。

The chopper s pilot reported engine failure shortly before the craft went down today in southeastern Afghanistan .

飞机在坠毁于阿富汗东南部之时飞行员曾报告过发动机失灵。

It includes catching machinery, automatic aerators and bait chopper.

包括捕捞机械、增氧机、饵料机。

Complete MACT-compliant cart mounted system featuring a internal mix PC LEL chopper gun and Binks Unison precision catalyst metering pump.

总MACT标准车安装此系统具有内部结构的PC LEL的菜刀枪和宾克斯融乐精密计量泵的催化剂。

The water pushes through its crevasses MINI CHOPPER and tunnels at high pressure and the iceberg starts singing.

原来雪花中的气体也被保存在冰中。气泡在巨大的压力下变成了高压的气体。

The internal feedback chopper speed regulator is the preferred equipment of fan and water pump speed regulator.

内反馈斩波调速装置是风机水泵调速节能的首选设备。

Genette When a rescue chopper arrived, the Captain was nowhere to be seen.

当营救直升机抵达的时候，到处都没发现队长。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。