1、

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.

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;

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2、

The Protection Measure of Disconnection Malfunction in Null Line Low Voltage Feed System

低压供电系统中零线断线故障的防护措施

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3、

control principle and application of ac torque motor's stalling torque based on voltage feed-forward

交流力矩电动机电压前馈补偿式的堵转力矩控制原理与应用

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4、

short circuit protection of low voltage feed switch based on numerical simulation

基于数值模拟的低压馈电开关短路保护

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5、

MOSFET Drain-to-Source Voltage Feed back to Limit Current

MOSFET漏源极电压反馈限流

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6、

Analyses indicated that the converter with input voltage feed forward control can reduce the linear disturbance working in the continuous conduction mode, so as to improve the stability and dynamic characteristic.

从分析中可以看出,工作于连续导电模式,含前馈电路能较好地抑制电路的线性扰动,从而提高电路的稳定性和动态特性。

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7、

Resonant controller is applied and the neutral point current which caused the medium vector is introduced for feed forward control to eliminate low-frequency voltage ripples.

在中点电压控制器中采用谐振控制器以及加入中矢量对中点电流的作用作为前馈以消除中点电压中的三倍频分量。

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8、

Considering grid voltage dip as disturbance, the thesis proposed a rotor damping current control based on feed-forward structure.

从电网电压作为扰动的角度出发,提出一种基于前馈结构的转子电流阻尼控制方法。

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9、

a novel feed-forward-type active filter to eliminatecommon-mode voltage generated by a pwm inverter

一种消除PWM逆变器输出共模电压的前馈有源滤波器

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10、

Compared with conventional welding power source, the working voltage of the system is about 1-5V lower at same wire feed speed.

实验表明,该系统具有很强的电弧自身调节能力,相对于传统控制方式,在相同送丝速度条件下工作电压可以降低1~5V。

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11、

In the meantime, the power source makes use of single chip microcomputer controlling technology and realizes the function of welding parameters preset. This power can also modify the welding voltage U f through feed back controlling so to get constant voltage characteristic.

同时,运用了单片机控制,实现了焊接参数的预置功能以及反馈控制技术对焊接电压Uf进行调节,从而获得熔化极弧焊电源所需的外特性。

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12、

Study of Discharge Characteristics of High Voltage Instrumentation Feed Through

高电压仪用接口放电特性的研究

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13、

A fault takes place in a network, especially asymmetric fault, lead to the grid current imbalanced and DC side voltage instability, and feed into the grid power causing oscillation, even burned PV inverter, influence safe operation of grid-connected PV system and the grid.

电网发生故障,尤其是出现不对称故障时,会导致并网电流的不平衡和直流侧电压不稳定,造成馈入电网的功率发生振荡,甚至危及逆变器,影响光伏并网发电系统和电网的安全运行。

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14、

Welding parameters such as angle of bending tip, pulse voltage, wire feed rate, pulse mode, size of groove and welding speed can affect the appearance of weld.

导电嘴弯曲角度、送丝速度、峰值电压、协同模式、焊接速度和坡口尺寸均会对窄间隙焊缝成形产生重要影响。

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15、

The maximum power of liquid-feed direct methanol/ oxygen three-cell stack, where available MEA area was 9 mm2, was 0.285W, and its output voltage and current was 0.7V and 0.407A respectively.

膜电极有效面积为9cm2的的液相进样直接甲醇/氧气燃料电池三电池电堆的最大功率为0.285W,此时输出电压为0.7V,输出电流为0.407A;

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16、

DJS-6 Minicomputer Used in on-Line Operation Study of Discharge Characteristics of High Voltage Instrumentation Feed Through

DJS&6机投入在线运行主机改造及新增外围接口逻辑原理高电压仪用接口放电特性的研究

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17、

Double feed-forward control strategy for dynamic voltage restorer

动态电压恢复器的双前馈控制策略研究

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