针对径向力的控制要求研制了双向电流型线性功率放大器和PID控制器。
The linear power amplifier of current-type and the PIDcontroller is designed for the control of radial force.
提出了一种新颖的双向电流源高频链DC A C功率变换器的拓扑结构，并简要地阐述了其工作原理和控制方案。
A novel topology of high frequency link DC ac converter with bi directional flyback mode is proposed, and its operational principle and control strategy are introduced briefly.
研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。
A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.
应用该理论设计的对称三值电流型CMOS电路不仅具有简单的电路结构和正确的逻辑功能，而且能处理具有双向特性的信号。
The symmetric ternary current-mode CMOS circuits designed by using this theory not only have simpler circuit structures and correct logic functions, but also can process two-way signal.
利用双向串行端口，可在软件中进行增益设置、信号极性选择和RTD电流控制配置。
Gain Settings, signal polarity and RTD current control can be configured in software using the bidirectional serial port.
利用四位双向移位寄存器等电子元件可制作能直观显示直流电流方向的模拟演示仪。
Four-bit bidirectional shift register was used to produce the device for demonstrating the direction of direct current.
从暂态电压和电流在配电网中传播的角度，分析了双向工频通信信号在配电网中的传输特性。
From the viewpoint of propagation of transient voltage and current in distribution network, the transfer characteristics of two-way power frequency signals in distribution network are analyzed.
焊接初级回路采用双向水冷可控硅控制，保证电流输出平衡，可靠。
Welding primary windings adopts two-way water-cooled silicon-controlled rectifier control, ensure that current output balance, and reliable.
实验表明，作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
在额定电流范围内能限制最大使用功率；电卡能双向传递数据；电量为零时，自动拉闸断电。
In the scope of internal limits maximum rated current power, Electricity can transfer data bidirectional, Electricity is zero, automatic switch off.
基于双向变流器技术的蓄电池充放电装置具有充电和放电功能，同时实现了网侧电流正弦化及单位功率因数，因而减少了对电网的谐波和无功污染。
The device for battery charge or discharge based on the technology of bidirectional converter can be used in charging or discharging battery, and realize sine wave of ac and unity power factor.
磁势自平衡回馈补偿式直流传感器是在传统直流互感器、双向磁放大器基本原理的基础上设计出的一种新型的直流大电流传感器。
The DC sensor based on magnetic potential self-balance and feed-back compensation is brought forward based on the research of basic principles about traditional DC transformer and magnetic magnifier.
PWM整流器可实现正弦的网侧电流、单位或可调的功率因数、能量的双向流动，是一种真正意义上的“绿色环保”电力电子装置。
The PWM rectifier is a "green" power electronics equipment since it offers sinusoidal input currents, unity or adjustable power factor, reversal of power flow.
要切换到压缩机，可以通过电流接触器开关，继电器或者双向可控硅来控制电流盒或者电路板。
Control electric box or circuit board with contactor, relay, or triac that switches to the compressor.
这种结构的双向变换拓扑解决了电流型一电压型组合式拓扑的开关管电压尖峰问题和启动问题。
The proposed bi-directional converter has no high voltage spike problem and start-up problem, which are inherent in current-fed and voltage-fed hybrid type bi-directional converters.
这种结构的双向变换拓扑解决了电流型一电压型组合式拓扑的开关管电压尖峰问题和启动问题。
The proposed bi-directional converter has no high voltage spike problem and start-up problem, which are inherent in current-fed and voltage-fed hybrid type bi-directional converters.
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