用扫频仪测量天线的输入阻抗时，在同轴传输线与天线间应按平衡—不平衡变换器。
When using frequency sweep meter to measure the input impedance of antenna, the balanced - unbalanced transformer must be connected between coaxial transmission line and antenna.
在双电压合成矩阵变换器中，需要将每个周期内的输入、输出电压划分成若干扇区。
The input and output voltages in matrix converter based on two voltage synthesis are supposed to be divided into some sectors in each period.
变换器的输入功率因数较高，基本在0.99 左右。
其特征是不要外接偏置电压源，而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。
Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
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。
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.
该文提出一种新颖的系统集成的观点，即从系统级的高度将分布式供电系统中的源变换器的输出阻抗和负载变换器的输入阻抗作为标准化研究的对象。
This paper presents a novel concept for system integration at system level, which is to select output impedance of source converter and input impedance of load converter as objects of standardization.
本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器，其中开关管的电压应力为输入电压。
This paper presents a novel zero voltage and zero current switching (ZCS) PWM push pull three level converter in which the voltage stress of switches is input voltage.
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。
The paper gives two kinds of approaches to measure the ripple current in input current of DC-DC converter or DC-AC inverter.
提供了该变换器两个死区时间的设计方法，从而保证了开关电压应力限制在输入电压的一半，同时满足每个开关零电压关断的实现条件。
The design consideration for two dead times is presented to assure that voltage stress for main switches is within half of input voltage and ZVS for each main switch is achieved.
为了保证该变换器的可靠工作，必须确保其输入分压电容均压和输出电流均流。
In order to make the ISOP converter work normally, to ensure the voltage sharing of the input divided capacitors and current sharing of the output current of each module is very important.
仿真分析结果证明：该变换器拓扑结构能够使输入电流的包络随着收入电压变化，有效的实现了功率因数校正。
The simulation result proves: Used this converter's topology structure, the envelope curve of import electric current follows entering voltage change. And power factor correction has been realized.
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。
It theoretically analyzed and studied a simple DC voltage sensorless single APFC converter by detecting an AC line voltage in the paper.
开关变换器的负载效应对变换器升压比、输出效率、输入相位差、小信号稳定度、输入与输出阻抗之比等有着非常重要的影响。
Switching boost converter's load effect has great effect on input phase, stability of small signal, ratio of input and output impedance, and the ratio of Boost converter's output efficiency.
分析了交错控制输入串联输出并联组合式双管正激变换器输入端不均压现象及其起因。
Novel control for an input-series and output - parallel dual two-transistor forward converter (ISOP-DTTFC) is proposed, based on the analysis and result on the voltage unbalance.
在非对称输入电压情况下，对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析，提出了利用时变调制比改善输出电压波形的方法。
The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulation ratio method is proposed.
无阻尼输入滤波器可能使变换器系统不稳定或者振荡。
Undamped input filter may cause converter system unstable or oscillation.
图3示意性地示出了隔行到逐行扫描变换器，其接收基于场的输入信号并且生成基于逐行扫描帧的输出信号。
FIG. 3 schematically illustrates an interlaced to progressive scan converter which receives a field-based input signal and generates a progressive scan frame-based output signal.
三相电压型变换器（VSC）控制的关键在于控制其输入电感上的电流。
The math model of three-phase VSC is established in this paper, a current control scheme is applied base on the model.
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。
AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.
该电机驱动电路还包括耦合到输入装置、第一能量存储装置、双向DC-DC电压变换器的耦合系统。
The motor drive circuit further includes a coupling system coupled to the input device, to the first energy storage device, and to the bi-directional DC-to-DC voltage converter.
高输入电压的变换器可以采用一种输入串联输出并联的拓扑。
For a high input voltage converter, a topology of input-series-output-parallel (ISOP) can be adopted.
为此本文提出了一种新型宽电压输入LLC谐振变换器，其在宽输入电压范围内仍能高效工作。
This paper proposes a novel full-bridge LLC resonant converter that is able to achieve high efficiency over a wide input voltage range.
高输入电压的变换器可以采用一种输入串联输出并联的拓扑。
This paper analyzes input voltage sharing control theory of input-series output-parallel(ISOP) inverter.
除了输入和输出数据，整个框架包括四个组成部分：插值器、度量器、优化器和变换器。
Besides the inputting and outputting data, the framework can be divided into four parts: interpolator, measurer, optimizer and transformer.
而该跟踪升压变换器级又包括输入扼流圈(10)、升压二极管(16)和大电容器(17)。
The boost converter stage in turn comprises an input choke (10), a boost diode (16) and a bulk capacitor (17).
为此，以半桥变换器为基本单元，提出了一种适合于高输出电压、大功率应用场合的输入并联输出的串联半桥组合式变换器。
This paper proposes an input-paralleled output-series half-bridge converter based on single half-bridge converter, it is suitable for the high output voltage and large power application.
为此，以半桥变换器为基本单元，提出了一种适合于高输出电压、大功率应用场合的输入并联输出的串联半桥组合式变换器。
This paper proposes an input-paralleled output-series half-bridge converter based on single half-bridge converter, it is suitable for the high output voltage and large power application.
应用推荐