These included alternating- and direct-current converters, and sensors that could moderate the power consumption of streetlamps, fridges and air conditioners.
这些产品包括交互式和直流转换器，能够节省路灯，冰箱和空调用电的传感器。
Electrical Circuitry: Converters stabilize the current's varying frequencies. Transformers boost voltage from 690 volts to more than 22,000, so current travels efficiently over long-distance lines.
电气线路：利用整流装置稳定电流的变化频率，此外通过变压器把690伏特的电压提升到超过2200 0伏特，大大提高了电流长途输送的效率。
Electrical Circuitry: Converters stabilize the current's varying frequencies. Transformers boost voltage from 690 volts to more than 22, 000, so current travels efficiently over long-distance lines.
电气线路：利用整流装置稳定电流的变化频率，此外通过变压器把690伏特的电压提升到超过2200 0伏特，大大提高了电流长途输送的效率。
The power converters and other nonlinear loads "inject" the harmonic current into the power systems and cause a series of problems.
电力变流器和其他非线性负荷向电力系统“注入”谐波电流，引起一系列问题。
DEVAR current loop signal isolators reduce problems found in field measurements when signal transmitters or converters encounter both input and output signals that may be grounded.
在信号传感器或信号转换器遇到接地的输入或输出信号时，电流环路信号隔离器减少现场测量难题。
In the power energy metering chip, there are analog to digital converters to process the voltage signals of the current censor and the voltage sensor.
在电能计量芯片中，需要模数转换器对电流和电压传感器的电压信号进行处理。
A novel digital control strategy based on linear change of inductor current is presented, which is easy to be realized with digital control methodology for DC-DC converters.
为获得DC - DC变换器易于实现的数字控制方法，提出了一种基于电感电流线性变化的数字控制策略。
To reduce the inductor and the phase displacement between the input current and the input voltage simultaneously, Multi-level (ML) converters are adopted as the PFC topologies in this thesis.
为了同时减小电感和输入电流与输入电压间的相位差，本文提出采用多电平变换器作为PFC变换器的拓扑。
Phase-shifted full-bridge PWM converters work in discontinuous current mode (DCM), when the current of out-put filter inductor is discontinuous in one switching period.
当输出滤波电感的电流在一个周期内不连续时，移相全桥PWM变换器就工作在电流断续模式（DCM）。
Several zero voltage and zero current switching PWM push pull three level converters are proposed.
最后，本文还提出了另外几种零电压零电流开关PWM推挽三电平直流变换器。
It makes use of the integrating character and the fast response of one cycle control to realize the current sharing of the interleaving converters.
这种技术利用单周期控制的积分性质和动态反应快的特点，对交错运行变换器的各单元电感电流进行控制，实现交错单元间电流的平均分配。
A careful examination of the factors which influence the equalizing current of the converters, this article presents methods and procedures for performing mathematical analysis.
在仔细分析了变流器均流影响因素之后，提出了数学分析的方法与步骤。
AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.
DC开关变换器非线性程度很高，输入电流为非正弦形式，功率因数极低。
Negative impedances lead to DC-link voltage and current oscillation in metro traction converters and so to reduction of stability of traction drive systems.
负阻抗会引起地铁车辆牵引变流器直流侧电压、电流振荡，降低牵引传动系统稳定性。
In the design of current-mode PWM DC-DC converters, the slope compensation method widely used to prevent sub-harmonic oscillation can significantly weaken the load capacity under a high duty cycle.
电流模pwm集成dc - DC变换器设计中，为了防止亚谐波振荡而普遍采用的斜坡补偿，会在占空比较大时严重影响芯片的带载能力。
An adaptive slope compensation circuit used in current mode DC-DC converters is presented.
提出了一种应用于电流型DC - DC转换器的自适应斜坡补偿电路。
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.
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。
The RMS converters of voltage and current have the advantages of high speed and precision, and with the feedback of RMS, the fluctuate of power voltage can be compensated at high precision.
电压、电流真有效值变换精度高、速度快，电压真有效值负反馈闭环控制主回路网压波动补偿精度高；
In the design of current-mode PWM DC-DC converters, the slope compensation method is widely used to prevent sub-harmonic oscillation.
设计电流模脉冲宽度调制直流转换器时，人们广泛采用斜坡补偿电路来消除谐波振荡。
I used the cheap 1n5822, the best alternative for low voltage converters (3a for current capability).
我使用了廉价的1n5822，对低电压转换器的电流能力(第3A最佳选择)。
In this paper, current detection circuits which could be used for hysteresis current control mode buck-boost DC-DC converters were designed.
本文针对滞环电流控制模式buck - boostDC - DC转换器，设计了其中的电流检测部分。
However, voltage and current stress in these converters are higher.
谐振、准谐振或多谐振技术方案，变换器的电压电流应力较高。
At present power converters of DC driving system make power supply outputs a high-frequency pulsating current, which is from zero to the armature current. This large ripple damages batteries.
目前国内外电动车直流驱动功率变换器使储能电源输出电流从零到电机电枢电流高频脉动，不利于延长动力电池的使用寿命。
The direct current power supply system controlled by power-electronics converters will be used widely.
变换器控制的直流供电系统的应用将越来越广。
Secondly, this dissertation educes the promising topologies for isolated low-voltage high-current output DC/DC converters by analyzing and comparing the basic topologies of the DC/DC converters.
本文分析了DC/DC变换器一些基本拓扑的结构及其特点，对隔离式DC/DC变换器原边和副边拓扑进行了分析和比较，得出了隔离式低压大电流输出DC/DC变换器的优选拓扑结构。
This paper presents a new control strategy to eliminate second harmonic of dc output current in the 3-phase unbalanced network voltage PWM current-source converters (CSC).
提出一种电网电压不对称情况下抑制三相脉宽调制(PWM)电流型变流器(CSC)直流输出电流二次谐波、减少网侧电流低次谐波的控制方法。
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.
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。
应用推荐