要是没有变压器来调节电压，远距离输送电力是不可能的。
Were there no transformers to adjust the voltage, long-distance transmission of electricity would be impossible?
要是没有变压器来调节电压，远距离输送电力是不可能的。
Were there no transformers to switch the voltage, long-distance transmission of electricity would be impossible?
若无变压器来调节电压，远距离输送电力是不可能的。收藏。
Were there no transformers to adjust the voltage, long-distance transmission of electricity would be impossible.
升压转换器，是常用的在变压器少变频器调节光伏阵列电压，为显示图。
Boost converter is commonly used in transformer-less inverters to regulate PV array voltage, as shown in Fig.
一般电源电压220伏或380伏，必要时配置可调节电压的中间变压器。
The general power supply voltage 220 v or 380 v, the middle of the configuration of adjustable voltage transformer when necessary.
若无变压器来调节电压，远距离输送电力是不可能的。胜利不一定有希望但也不一定不可能。
Were there no transformers to adjust the voltage, long - distance transmission of electricity would be impossible.
为此，提出了防范此类事故的对策，建议引入励磁变压器电源作为调节器的工作电源，并对该机组的转子过电压保护进行改造。
It is suggested that the excitation transformer power be introduced as the operational power supply for the regulator, and the rotor overvoltage protection of the unit be modified.
该系统控制策略以九区图为基础，并且在容易引起频繁动作的边界上采用人工神经网络预测变压器分接头调节和电容器投切后的电压无功，以决定采用何种控制方式。
The control strategy is based on nine-zone diagram and combined with artificial neural network, which makes a decision about the change of transformer taps and capacitor switching.
本文从电压无功综合控制的基本原理出发，说明了变压器分接头的调节与并联电容器投入容量的大小对电网电压的影响。
The basic theory for voltage and reactive control and the taps changed in transformer and shunt capacitor switched affect the voltage value are discussed in the paper.
提出一种用晶闸管开关装置串联变压器来改变电容端电压以调节无功的补偿方法。
This paper proposes a method for Var compensation by use a device of thyristor switch series transformer to change the capacitor voltage.
为解决动态电压调节器(DVR)研制中的一类关键问题——耦合变压器激磁涌流问题，对DVR的控制策略进行了研究。
Inrush current is a major problem in the coupled transformer of a dynamic voltage regulator (DVR).
本实用新型公开了一种电能质量调节器，它包括原边电压变换器、高 频变压器和副边电压变换器。
The utility model discloses an electric energy quality regulator, comprising an original edging voltage changer, a high-frequency transformer and an auxiliary edging voltage changer.
电源通过BOOST电路校正功率因数和调节电压，用移相全桥把直流电逆变成高频方波，然后经高频变压器升压后倍压整流得到直流高压。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
可调节电压变压器，电压输出为220v、20v、24v、28v，攻牙时根据攻牙力度需要可选择不同电压。
Adjustable voltage transformers, voltage output is 220v, 20v, 24v, 28v, tapping tapping efforts need to choose the time according to different voltage.
可调节电压变压器，电压输出为220v、20v、24v、28v，攻牙时根据攻牙力度需要可选择不同电压。
Adjustable voltage transformers, voltage output is 220v, 20v, 24v, 28v, tapping tapping efforts need to choose the time according to different voltage.
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