输入电压

普通电荷泵型LED驱动器在输入电压的固定值处转换工作模式。

The conventional charge pump changes work mode at fixed input voltage value .

非正弦输入电压下三相四线PWM整流器控制策略研究

Study on Control Strategy for Three-phase Four-wire PWM Rectifier under Non-sinusoidal Input Voltage

闭环反馈模块设计完成后，需要对LED的输入电压就行有效的控制。

After the module is finished , the input voltage of the LED is needed to be controlled effectively .

一种正负输入电压ASIC的输入保护电路设计

An Input Protect Circuit for Positive / Negative Input Voltage ASIC

根据E类放大器的设计方程，分析了E类放大器输出功率与输入电压的特性。

According to the design equations of class-E amplifier , we have analyzed the relationships between the output power and the input voltage .

恒定电流源可以避免因输入电压的波动使LED的驱动电流波动并维持LED的亮度不变。

Constant current source can avoid the fluctuations of output current due to the fluctuations of input voltage , and maintain the brightness of LED .

PWM整流技术具有输入电压恒定、能实现单位功率因数运行的特点。

The three-phase of PWM voltage source rectifier owns such features as constant output voltage and running under unit power factor .

在同样的直流输入电压情况下，这种新型结构的输出功率是传统单端E类放大器的4倍，极大地提高了输出功率。

The output power of this new structure is four times of that of conventional single end class E amplifier at the same DC input voltage .

通过采用合适的控制策略，三相Z源矩阵式变换器可以在输入电压不对称的情况下，输出对称的电压，因而具有优良的特性。

The control strategy of three-phase Z-source matrix converter can make the asymmetrical input voltage output symmetrically and have superior performance .

结合具体应用背景提出了一种在高输入电压下利用串级IGBT实现DC／DC开关电源的新思路。

In view of concrete application , a new method of using cascade IGBT to achieve DC / DC switch power supply under high input voltage is proposed .

通过电路结构和控制目标将变换器控制系统分为三个闭环结构：并网交流电流环、Z源电容电压环、光伏阵列输入电压环。

Three loop configuration for whole control system is built : the grid current loop , Z-Source capacitance voltage loop and PV array output voltage loop .

用2.5维MAGIC粒子模拟软件对该非线性过程进行数值模拟，分析了输入电压、电流对输出微波功率的影响。

PIC simulation of the nonlinear progress and the effect of input voltage and current on the output microwave power is carried out by using the 2.5-dimensional MAGIC code .

仿真结果表明，基于单序dq坐标系的PI控制对输入电压波动、负载变化等基波扰动具有较好的抑制效果。

Simulation results show that PI control on single dq coordinate can effectively restrain disturbances such as input voltage sags 、 load changes .

与传统地采用缓慢上升电压作为输入电压的测试方法相比，该方法缩短了SSR在过渡放大区的停滞时间，从而更快速、安全地测量接通电压。

Comparing with the traditional method , the method can remarkably shorten the time during transition area , so it is more quick and safe .

随着分布式电源系统（DPS，DistributedPowerSystem）得到普遍的重视，LLC谐振变换器以其在宽输入电压范围和良好的电压调节性能备受研究者的青睐。

With the distributed power system ( DPS ) received widespread attention , LLC resonant converter with its wide input voltage range and good voltage regulation performance received much attention from a lot of researchers .

对于非并网风力发电系统，高输入电压DC-DC变换器的研究是其关键技术之一。

For non-grid-connection wind power , high input voltage DC-DC converter is one of main technologies to the realization of wind power system .

随着新能源应用领域不断拓宽，新能源开发技术要求开关DC-DC变换器具有宽输入电压范围。

With the development of new energy , the technology of using new energy requires switching DC-DC converters have wider input voltage range .

12V输入电压调整模块的现状与分析

The Analysis of Voltage Regulator Module with 12V Input Voltage

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 .

传统的功率因数校正电路由Boost电路构成，这种电路控制复杂，输出电压比输入电压高，难以实现输入和输出之间的电气隔离。

Conventional PFC topology is constituted by Boost circuit , whose control is complexity , output voltage is higher than input voltage and electrical isolation is difficult to achieve between the input and output .

当输入电压频率一定时，着火电压和最小维持电压都会随着H2含量的变化而变化，并且着火电压和最小维持电压在某一H2含量下存在最小值；

At a fixed frequency of input voltage , as hydrogen addition ( H_2 % ) increases , both the firing and sustaining voltages change accordingly ;

该变换器的输出电压可调范围大，可以大于或小于输入电压，这很好的克服了传统的BOOST变换器输出电压必须大于输入的缺点。

Since the output voltage could be bigger or smaller than the input voltage , the converter can solve the limitation of the boost converter that its output voltage must bigger than the input voltage .

根据PPS复合控制双向DC/DC变换器的开关损耗数学模型，分析了器件对开关损耗的影响，比较了输入电压对开关损耗的影响。

Based on the PPS bidirectional DC / DC converter switching loss model , the switching loss is compared with different switch and different input voltage .

提出了一种多输入电压模CMOS求小/求大电路结构，它具有内部节点电压摆幅小，高速高精度以及结构简单等优点。

A new multiple-input voltage-mode CMOS min / max circuit structure is proposed , which has small voltage swing at the internal nodes , high speed , high precision , and simple architecture .

而其中的APFC技术以其输入电压范围宽、体积小、重量轻、功率因数高等优势，得到了尤其广泛的应用。

APFC technology is widely used for its wide input range , small size , little weight and high power factor .

根据负载LED的正向压降和输入电压选择工作模式，可以让驱动器最大限度地工作在高效率的1X模式下，有效地提高了驱动器的LED效率。

The paper describes a method which improves the compatibility of forward voltage drop . The new auto-adjustable charge pump can keep the charge pump working in high efficient 1X mode as long as possible .

但LED功率的提升，给驱动芯片的驱动能力和输出电流的稳定性控制提出了更高的要求。针对大功率LED的特点，本文设计一款宽输入电压范围的大功率LED驱动芯片。

The increase of the LED power have higher requirement for the drive current of the driver chip and the stability of the output current . A type of wide input range high power LED driver chip was designed in this thesis .

当输入电压偏离特定值时，有源箝位零电压开关的脉宽调制ZVS-PWM（ZeroVoltageSwitch-Pulsewidthmodulation）控制串联谐振变换器效率会严重下降。

For a ZVS PWM ( Zero Voltage Switch-Pulse Width Modulation ) controlled series resonant converter , when the input voltage deflects from the specific value the efficiency goes down severely .

每个主开关电压应力是输入电压的一半，并且全范围实现ZVS而不用附加任何电路。

ZVS is achieved for each main switch without any auxiliary circuit . Voltage stress of each main switch is a half of input voltage .

它采用根据输入电压变化而动态确定功率开关的导通和关断的方法，从原理上解决了开关电容DC－DC变换器的输入电压动态范围与变换器效率之间的矛盾。

In this technique , the power switch is turned on and off according to the dynamic changes in the input voltage , thus solving the conflicts between the dynamic range of the input voltage of the converter and its efficiency .