降压变压器

220kV降压变压器保护整定计算的探讨

Discussion on setting calculation of 220 kV step-down transformer protection

从压电活性、压电各向异性、介电常数、介电损耗、机械品质因数及Curie点等综合参数看，该材料可用来开发压电陶瓷降压变压器。

Considering the synthetical parameters , such as piezoelectric activities , piezoelectric anisotropy , dielectric constant , mechanical quality factors and Curie temperature , this material is suitable for the preparation of piezoelectric ceramic step-down transformer .

主要介绍无功平衡约束下，带有降压变压器的TSC及补偿滤波器的设计，也涉及到不可调补偿与TSC可调补偿（FIX+TSC）的配合使用。

This paper introduces the design of the TSC and the filter with transformer under the restriction of reactive power balance , and also mentions the TSC cooperated with fixed capacitor banks .

适用多层压电降压变压器的改性钛酸铅研究

Study on Modified Lead Titanate Ceramics for Multilayered Voltage-decreasing Piezoelectric Transformers

降压变压器的匝数比小于1。

A step-down transformer has a turns ratio less than 1 .

一种可替代降压变压器的容式电能变换器

A Capacitor Electricity Transformer as a Substitute for Lower Voltage Transformer

一种叠层式压电陶瓷降压变压器

A Introduction on Piezoelectric Ceramic Transformer for Low-voltage Power Supply

一种新型电子降压变压器的设计与仿真分析

Design and Simulation Analysis of a New Electronic Step-down Transformer

降压变压器能把电压降到所需的任何值。

A step-down transformer can reduced a voltage to whatever value is desired .

一种压电陶瓷降压变压器材料的制备

Preparation of a Material for Piezoelectric Ceramic Step-down Transformer

二次配电系统是由降压变压器和满足最终用电设备电压等级的二次电路组成。

The secondary system consists of step-down transformers and secondary circuits at utilization voltage levels .

某厂厂用降压变压器重瓦斯保护动作原因分析

Analysis of Operation of Auxiliary Negative Booster Transformer 's Heavy Gas Protection in a Power Plant

论文主要对带有降压变压器的晶闸管投切滤波器装置的设计算法进行了研究。

Study on the design algorithm of thyristor-switched filters with step-down transformers is emphasized in the paper .

基于纵联比较原理的降压变压器及其中低压母线保护方案

New Protection Scheme for Step-down Transformer and Corresponding Middle and Low Voltage Buses Based on Longitudinal Comparison Principle

本文提出用两个电容器和一个电感器搭成电路，以实现降压变压器功能的新方法；

In this paper , a circuit which consists of two capacitors and a conductor is proposed to achieve the function of step-down transformer .

主电路采用三相三桥臂结构的三电平二极管箝位变换器，既无需升、降压变压器，也无需动态均压电路；

3-level diode-clamped converter with 3-phase 3-arm structure is employed as main circuit in the APF , so that neither coupling transformers nor dynamic voltage sharing circuits are needed .

为了简化补偿系统主电路结构，节约硬件成本，提出了一种由两个单相降压变压器和一个两相三线制变流器构成的高速铁路用负序补偿系统。

In order to simplify the main circuit of compensator and save the cost , a negative compensation system composed of two single-phase step-down transformers and a two-phase three-wire converter was presented .

由于这种反馈式补偿方案存在一些问题，本文分析了它的简化形式，即通过调节降压变压器低压侧的母线电压来调节滤波器的无功出力的补偿方案。

On account of the disadvantages of the feedback reactive power compensator , a device of its simplified scheme is studied in this paper , in which the reactive power is adjusted by regulating the voltage of the low-voltage side of the transformer .

作为一座降压变电站，其变压器低压侧串联一台分裂电抗器运行的情况并不多见。

It is rare to see a fission reactor in series connected to the low voltage side of the transformer in a step-down substation .