负载电压
- 网络load voltage;VDC;VOUT;CCV
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给出了计算负载电压有效值、电压纹波系数及各次谐波电压幅值的计算公式;
Calculation formulas of SCR turn on angle , virtual value of load voltage , average of load voltage , voltage ripple factor and amplitude value of arbitrary order harmonic voltage are presented in this paper .
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强电容性使负载电压波形不易满足微弧氧化的基本要求,同时会造成电源系统的电流冲击,故必须解决这两方面的电源适应性问题。
Strong capacitive made load voltage not easy to meet the basic requirements of MAO , meanwhile , the power supply system will be caused the current impact , so adaptive problems to the power source must be solved in these two aspects .
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基于微区电弧放电和热循环机理,结合负载电压波形定义了燃弧时间ta和冷却时间tc,认为大弧现象是由tc不足造成。
Based on local micro-arc discharge and thermal cycling mechanism , the arcing time t_a and the cooling time t_c were defined . Large-arc discharge phenomenon is caused by a lack of cooling time .
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得出了DVR负载电压单环反馈系统具有一定的稳定性和较好的控制补偿效果的结论。
The conclusion is that the load voltage single loop feedback system in DVR is of certain stability and better control and compensation effects .
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针对串联变压器励磁电流对负载电压精确度的影响,提出励磁电流补偿(MCC)的方法。
The method of the Magnetizing Current Compensation ( MCC ) is put forward in accordance with the effect of the exciting current of the series transformer .
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采用基于电网电压前馈的开环控制时,动态电压恢复器(DVR)动态响应速度快,但负载电压受负载电流影响较大;
In open-loop utility voltage feed forward control , DVR ( Dynamic Voltage Restorer ) has fast dynamic response , but the load voltage is always greatly distorted by the load current .
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控制方案采用SPWM调制方式来控制双组合式单端反激变换器,同时采用负载电压瞬时值反馈方式控制高频斩波工作,使能量从负载侧反送回电源,从而实现功率的双向传输。
The control scheme is using SPWM modulation method to control the compound flyback bi-directional current source high-frequency link DC / AC converter and using the voltage instantaneous value feedback to control the converter which works in chop mode .
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实验结果表明,当电源发生对称或不对称瞬时电压跌落时,负载电压能够在一个工频周期(20ms)内被补偿至额定值。
The results show that the load voltage recovers in less than one cycle ( 20ms ) whenever a three-phase or single-phase voltage sag occurs .
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提出一种新型谐波消除交流电压调节器方案,采用斩波方式AC-AC降压变换器结合输出串联补偿升压变压器实现负载电压的双向调节。
A kind of novel harmonic elimination AC voltage regulator is proposed . It is made up of a chopper type AC-AC buck converter and a series-compensation boost transformer to realize bi-direction voltage regulation of load terminal .
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在本设计的单相DVR仿真模型中,采用快速的前馈控制以及补偿电压最小的同相电压补偿法对负载电压进行补偿,仿真实验证明DVR能很好地对负载侧的电压暂降进行抑制。
In this design single-phase DVR simulation model , we use the rapid feed-forward control , and the minimum voltage compensation method to compensate the load voltage . Then the simulation experiment also has proved DVR can restrain the load voltage sag well .
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通过提高极板剩余孔率、选择合适的负正极容量比,并控制装配紧度,使电池超高倍率放电性能和6C5A放电0.5s时的负载电压达到指标要求;
We have also made the ultra high rate discharge performance and higher load voltage met its specific requirements by means of the increment of remainder electrode porosity , the selection of reasonable negative and positive ratio and the control of assembly tightness .
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概述了其工作原理及负载电压变化。
Its working principle and load voltage variation are all presented .
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从下拉列表中选择负载电压类型。
Select the type of load voltage from the drop-down list .
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规格书上的输出电压范围包含电线和负载电压。
Specified output regulation limit includes line and load regulation .
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汽车发电机抛负载电压的分析与估算
Analyses and Calculation of Unloading Voltage in Auto Alternator
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汽车抛负载电压的理论与试验研究
Theoretical and Experimental Study on Unloading Voltage in Automobile
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采用负载电压检测控制方式的串联型电力有源滤波器
A Series Active Power Filter Adopting the Control Approach of Load Voltage Detection
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一种简易的接地负载电压、电流转换器
A Simple Grounding Load Voltage / Current Converter
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变压器二次负载电压的计算
Calculation of Secondary Load Voltage in Transformer
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阻尼绕组对凸极单相同步发电机负载电压波形的影响
Influence of damper winding on voltage waveform of loaded salient pole single phase synchronous generators
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二极管支路短路时,负载电压总谐波畸变率相当严重。
The total distorted rate of the harmonics is serious with short-circuit of one of diodes .
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负载电压控制变压器
Load ratio control transformer
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该控制方式的指令信号通过同时检测电源电流和负载电压得到。
The reference signal in this control approach is obtained by detecting both source current and load voltage .
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用负载电压和电流波形数据进行仿真模拟分析,结果印证了这一结论。
This conclusion has been tested by the simulation data analysis on the load voltage and current waveform .
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三相负载电压或电流对称的条件&对称线电压下负载电压或电流的正序化
Symmetrical Condition of Voltage or Current of Three-Phase Load & Load Voltage or Current Positive-Sequence under Symmetrical Line Voltage
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笔者指出了原来常用的变压器负载电压计算公式存在的缺陷,导出了较简便且准确的相应计算公式。
Some defects of traditional formula on calculating load voltage are pointed and some easy & accurate formulae are derived .
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采用高阶非线性回归方程建立负载电压和时间曲线的模型。
It has the ability to build the model between load voltage and time curve through the high order nonlinear regression equation .
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非线性负载电压和电流之间是非线性关系的负载称为非性形负载。
Nonlinear Load A nonlinear load is a load for which the relationship between voltage and current is not a linear function .
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在检测电源电流和负载电压控制方式的基础上,提出了一种复合控制方式。
In this paper , a hybrid control approach is proposed based on the control approaches of detecting source current and load voltage .
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讨论了其检测电源电流和检测负载电压控制方式的原理、系统结构和特点。
A novel current-source active power filter ( APF ) based on multi-modular converter with carrier phase-shifted SPWM ( CPS-SPWM ) technique has been proposed .