它采用大功率的SCR组成电压调节电路，这样交流电动机就可以低压起动。
It adopts SCR with large power to establish the voltage adjustment circuit, so the AC motor can be started with low voltage.
分析了PWM双桥叠加型，交流斩波型和串联型等三种变频型交流电压调节电路，介绍了基于变频技术的调压应用。
This paper analyzes PWM double-bridge superposition regulator, AC chopping regulator and series voltage regulator, and introduces the application of AC voltage regulating based on VF technologies.
如果输出电压小于预定的电压电平，则开关电路部分将增强的控制信号传输到调节电路。
If the output voltage is less than the predetermined voltage level, the switching circuit portion transmits an enhanced control signal to the regulation circuit.
对于便携式电子产品来说，运算放大器可算是万能的信号调节电路，因为它可以执行滤波器、放大器、电压感测器、电平移位器、缓冲器、甚至开关等多种不同功能。
Operational amplifier is the most versatile signal conditioning block in any portable system. It can be a filter, an amplifier, an voltage detector, a level shifter, a buffer or even a switch.
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.
模拟电路部分包括：电池电源供电模块、信号采集电路、模拟滤波和放大电路、增益调节电路、地电压抬升电路和A/D输入信号限制电路。
The analog circuit consists of power-supply modular, signal pickup circuit, analog filter amplifier, gain control circuit, power ground lifting circuit and signal limit circuit of A/D channel.
模拟电路部分包括：电池电源供电模块、信号采集电路、模拟滤波和放大电路、增益调节电路、地电压抬升电路和A/D输入信号限制电路。
The analog circuit consists of power-supply modular, signal pickup circuit, analog filter amplifier, gain control circuit, power ground lifting circuit and signal limit circuit of A/D channel.
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