降压

Six schemes of reactive power compensation and harmonic suppression are analyzed, based on which ,the cascaded thyristor -switching capacitor compensation with step-down transformer is adopted.

分析了我国牵引变在无功补偿和谐波治理上采用的6种方案后，采用带降压变压器的晶闸管投切电容器方案。

This paper presents a kind of voltage and reactive power control integral principle and concrete control strategy for 220KV three winding transformer step-down stations.

目前的控制策略一般使用九域图原理但其缺陷是容易产生分接头频繁调节。本文针对电网电压的枢纽站220KV三绕组降压变电站，提出了一种电压无功综合控制的总体原则和具体控制策略。

Trigger circuit by adjusting the phase of the trigger pulse to control the on-off thyristor, which can be manually controlled to adjust the output voltage, and then, after step-down transformer can be used to obtain the magnetization of the magnetic low-voltage high-current power supply, mainly by the SCR the main voltage regulator circuit, trigger circuit, such as composition, is a broad application prospect of the exchange regulator controller.

通过调节触发电路的触发脉冲的相位来控制晶闸管的通断，从而控制输出得到可人工调整的电压，再经过降压变压器得到可用于磁化的低压大电流磁化电源，它主要由可控硅调压主电路、触发电路等组成，是一种具有广阔应用前景的交流调压控制器。

High-voltage power distribution and the step-down transformer should regulate the electricity sector for the construction of the installation; Chai oil-fired units. UPS and low-voltage power distribution panels to be installed in accordance with the norms of telecommunications power.

高压配电所和降压变压器应按照电力部门的规范进行建设安装；柴油发电机组、UPS和低压配电屏的安装应遵照电信电源规范进行。

This paper includes the main wiring design of the papermaking factories' substation, choice of the total step-down substation's transformer, short-circuit current calculate, primary equipment selection ,program design with relay protection, setting parameters for the distribution circuit design.

本文设计包括造纸厂变电所的主接线设计，总降压变电所与车间变电所变压器的选择，短路电流计算，一次设备的选择，继电保护方案设计与参数整定，供配电线路设计。

Using a differential driver design, as shown below, the MPC870CZT66 can deliver a high 38Vp-p voltage swing into a 1:0.8 step-down transformer to meet the ADSL CPE upstream power requirements.

使用差分驱动器设计，如下图所示，可提供的MPC870CZT66为1：0.8降压变压器高38Vp - P的电压摆幅，以满足上游的ADSL CPE的功率要求。

It is not overstated that transformer is the heart of electrical system. A step-up transformer is used to reduce the power losses, while the step-down transformer provides the various levels of voltage to the customers.

中文摘要变压器是供电系统的心脏，升压变压器为提升电压以减少线路损失，便利长距离输送；降压变压器为降低电压以提供各电压等级之用户使用，故扮演著极重要角色。

AC Power Supply System Communication Power Supply System exchanges generally are high-voltage power distribution, step-down transformer, Chai oil-fired units, UPS and low-voltage distribution screen composition.

通信电源的交流供电系统一般由高压配电所、降压变压器、柴油发电机组、UPS和低压配电屏组成。

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。

Depending on the value of DC voltage needed, the transformer may be of either a step-up or step-down type.

根据所需要的直流电压值，变压器可能是无论是升压或降压型。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。