step-down transformer

1. A step-down transformer has a turns ratio less than 1.
   降压变压器的匝数比小于1。
2. A step-down transformer can reduced a voltage to whatever value is desired.
   降压变压器能把电压降到所需的任何值。
3. Power Transmission Model of Step-down Piezoelectric Transformer and Decomposition Analytic Approach for PT Converter
   降压型压电陶瓷变压器功率传输模型及其变换器撕裂分析法
4. Design and Simulation Analysis of a New Electronic Step-down Transformer
   一种新型电子降压变压器的设计与仿真分析
5. Discussion on setting calculation of 220 kV step-down transformer protection
   220kV降压变压器保护整定计算的探讨
6. Configuration and improvement of protection for 220 kV step-down transformer
   220kV降压变保护配置及改进建议
7. New Protection Scheme for Step-down Transformer and Corresponding Middle and Low Voltage Buses Based on Longitudinal Comparison Principle
   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
8. In this paper, a circuit which consists of two capacitors and a conductor is proposed to achieve the function of step-down transformer.
   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；
9. Preparation of a Material for Piezoelectric Ceramic Step-down Transformer
   一种压电陶瓷降压变压器材料的制备
10. The important feature of this con-verter is that its output voltage can be regulated to a desired step-down value with a low output voltage ripple by control-ling charge transfer between two capacitors, so that the needs for a step-down transformer and dynamic regulation process are eliminated.
    基于能量变换的控制技术在得到要求的输出电压同时有着低的输出纹波，不需要变压器且去除了传统闭环控制系统的动态调整过程。
11. 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.
    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。
12. In order to solve the needs of multiple high-voltage thyristor series are pressure problems, the paper uses TSC reactive power devices with a step-down transformer.
    采用目前主流的TSC型无功装置，通过变压器降压接入的方式来解决在高电压等级需要多个晶闸管串联均压问题。

noun

1. a transformer that reduces voltage