查询词典 step up

This paper has presented a module-cascaded system for multi-coil direct-drive permanent magnet wind generator system with high voltage output, eliminating the grid-side step-up transformer.

针对大容量风电机组的中压变换问题，本文研究一种基于多绕组发电机的模块化级联型变换器，通过模块单元级联实现中压输出，从而省去升压变压器。

It is found that the maximum fault current may be produced when the DGS with synchronous generators are installed at the outlet of the feeder. The critical installation capacity of DGS and the minimum impedance of the step-up transformer can be derived easily and verified by the computer simulation.

经由本文的研究可发现，同步发电机型式的分散式电源并联於馈线口所产生之故障电流最大，增加升压变压器的阻抗与降低分散式电源的容量皆可降低故障电流大小至限制范围内。

Frequency AC-DC rectifier first, and then the inverter for AC 50 Hz, the step-up transformer into the local electricity company 11 kV power grid.

变频交流电先整流成直流电，然后逆变为50Hz的交流电，经升压变压器送入当地电力公司的11kV电网。

BUCK circuit for a buck or step-up transformer, the output voltage v0 is greater than or less than the average input voltage U opposite polarity, capacitance transmission.

BUCK电路一降压或升压变压器，其输出平均电压v0大于或小于输入电压U极性相反，电容传输。

In November, in the notify of Concerning Transmitting 2009 Guangdong Build Modernization Industry System Technology Innovation rolling plan Diced Project Plan, the project of Development of Step-up Dry Type Transformer for the Engine Room of Wind Power Generator made by Sunten procured a special assistance of 500 thousands yuan.

11月，接《关于下达2009年广东省建设现代化产业体系技术创新滚动计划切块项目计划》的通知，我公司项目"风力机机舱用升压干式变压器开发"获50万元的专项资助。

The High-voltage bus grooves of GFM-2 series are mainly suited for electric link between the transformer and high-voltage distributor,Powersupply system of large factory or large mine,large transformer substation,power plant of large enterpraise providing power for themselves,electric link between the generator and step-up transformer.

GFM-2系列高压母线槽主要适用于变压器至高压配电盘之间的电气连接、大型厂矿的供电系统、大型变电站、大型企业的自备电厂中，发电机至升压变压器之间的电气连接。

The stable and reliable operation voltage of the probe can be given by the following methods:(1) 20% light coupling efficiency is obtained by direct coupling of LD-optical fiber.(2) The light power is transmitted by multi-model optical fiber.(3) The largest photo-electric conversion efficiency is achieved by selecting the transformer regulation of step-up transformer.(4) The stable light intensity is achieved by using LD light feedback of driving circuit and refrigeration.

通过下述方法可提供稳定、可靠的探头工作电压：LD—光纤的直接耦合方式，可实现20％左右的光耦合效率；采用多模光纤传输功率；选择升压变压器最佳变比提高光电转换效率；采取LD驱动电路光反馈以及致冷措施使其发光幅值稳定。

The keystone of this device as follows : input three phase AC power supply of 380V±15%, become DC after primary full-bridge commutation wave filter, convert high frequency AC pulse of over 20KHZ using IGBT inverter module, become DC power supply for the usage of producing ozone after step-up of High Frequency Transformer and commutation of quickness rectifier tube and reactor.

高频高压臭氧发生装置的基本原理是：输入380V±15%三相交流电源，经初级全桥整流滤波成为直流，通过IGBT逆变部件，转换成20KHZ以上的高频交流脉冲，再经高频变压器升压，最后由快速整流管、电抗器整定为可供发生臭氧用的直流电源。

The topology of the step-up DC/DC converters and its basic principle is first analyzed in this thesis.

本文首先介绍了升压型DC/DC变换器的拓扑结构和基本工作原理。

This apartment sure is a step-up from the awful place you used to live in.

这间公寓跟你以前住的烂地方比起来，当然要高级些。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。