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.
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。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
AC DC rectifier of the converter is usually said.
交流变直流的变频器通常称整流器。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.
介绍了一种太阳能无变压器式彩电电源,即高效率的DC/AC变换器。
Then both control scheme and operating principle of a double closed loop AC/DC power converter system are discussed by using physics.
在此基础上,提出了双向AC/DC功率变换器的一种双闭环系统控制结构,并从物理概念出发讨论了系统的工作原理。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器,及自动控制器、DC/AC变换器等构成。
It theoretically analyzed and studied a simple DC voltage sensorless single APFC converter by detecting an AC line voltage in the paper.
文章对一种只检测交流输入电压而不需要检测输出直流电压的简化单相pfc变换器进行了理论分析和研究。
With excellent dc specifications, the converter is ideal for high speed data acquisition of ac signals where dc data is also required.
该转换器具有出色的直流规格,非常适合在同时需要直流数据的情况下对交流信号进行高速数据采集。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
文中叙述了直流—直流变换器或直流—交流逆变器输入电流中纹波电流的二种测量方法。
Both theoretical analysis and experimental results show that the AC DC converter has high efficiency over a wide range of input voltage.
理论分析和实验结果表明,该转换器可以在较宽的输入电压范围内获得较高的转换效率。
The low voltage DC system is one of the most important equipments in converter station, which is closely associated with the safety and stability of DC transmission system and correlative AC system.
低压直流输电系统是换流站内重要设备之一,直接影响到整个直流输电系统及相关交流系统的安全稳定运行。
Due to considering the interaction of harmonics at ac and DC sides of converter station, the calculation result is more close to actual situation.
由于考虑了换流站交直流侧谐波的相互作用,该计算结果与实际情况更为接近。
During the so-called braking of the motor, the power flows from the ac side to the dc side of the switch-mode converter and it operates in a rectifier mode.
在所谓制动阶段,功率从开关型变流器的交流侧流向直流侧;此时变流器相当于一个整流器。
According the operation mechanics of the SCES system, its main circuit containing bi-directional DC-AC-DC converter was designed and its unified model was built.
从超级电容器储能系统的运行机理出发,设计了含双向DC - AC - DC变换器的超级电容器储能系统主电路结构,并建立了其统一模型。
Based on the resonance reactor and the Magnetic Energy Recovery Switch (MERS), a novel single-phase AC-DC converter is designed.
将谐振电抗器和磁能恢复开关引入到单相ac - DC变换器中,设计了一种新颖的混合单相ac - DC变换器。
The converter units generate harmonics which flow in the AC and DC lines.
换流器单元产生的谐波会流过交流和直流线路。
The paper introduces the method of AC and DC filters tuning at Longquan converter station, and the final tuning results.
介绍了龙泉换流站交、直流滤波器调谐的方法和最终调谐结果。
The single AC power input voltage frequency, the internal AC to DC after; DC converter rectifier exchange conversion, self-produced - very stable, pure sine wave.
该电源输入单一交流电压和频率,内部经过交流对直流;直流对交流的变流整流转换后,自行产生-非常稳定纯净的正弦波。
These inverters use an AC to controlled DC converter on the input side.
这些换流器使用在输入一边接通到可控直流换流器的交流电。
The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
This thesis is concerned with the analysis and implementation of a paralleled multi-module dc-to-ac converter.
中文摘要本文旨在分析及制作多模组并联之直流-交流转换器。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
在基于对等效电流源电路模型分析的基础上,推导出了单相单位功率因数变流器输出电流二次谐波的计算公式,将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
The mode of speed control for mining tram includes three types of series resistances. Dc chopper and AC converter.
矿用电机车的速度控制方式包括串电阻式、直流斩波式和交流变频式三种。
The influence of HVDC converter controls on the mode damping of sub-synchronous oscillations (SSO) in a AC/DC power system is investigated in this paper by using eigenvalue analytical method.
采用特征值分析法研究交直流电力系统中HVDC换流器控制对次同步振荡(SSO)模态阻尼的影响。
The paper presents a method to determine equivalent DC impedance and equivalent AC impedance of HVDC converter viewed respectively from DC side and AC side based on switching function theory.
文中提出了基于开关函数理论的HVDC换流器直流等值阻抗和交流等值阻抗计算方法。
This kind of material is already extensive now to be used for common mode choke of high frequency circuit changer, high frequency dc-to-ac converter, zero order mutual-inductor and etc.
这种材料现已广泛用于共模扼流圈、高频开关电源、高频逆变器、零序互感器等许多电器元件。
Basing on PROFIBUS to design electrical system of rewind wire arranging of stranded wire, the system is made up of PLC, human machine interface (HMI), dc-to-ac converter and so on.
基于PROFIBUS现场总线,设计出钢绞线复绕排线电气系统,该系统由PLC、人机界面(HM I)、逆变器等构成。
Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置,具有功率因数高、谐波电流小、再生方便等优点。
Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置,具有功率因数高、谐波电流小、再生方便等优点。
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