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A new current controller is used in this thesis. Feedback stator current information and tunning the PI control parameters are not required in the new current controller.

在本论文中采用一种新型的电流控制器,它不但不需用到回授的定子电流,又可以免去调整PI电流控制器参数的困扰。

Due to transient inductances of AC exciter are functions of rotor position and armature winding currents,which are easily influenced by armature current switch on and ferromagnetic material saturation,therefore,analytical method has its limitation to consider current time-variation and ferromagnetic material saturation.

摘 要:由于交流励磁机电枢绕组电流在导通期间的时变性以及铁磁材料饱和特性的影响,瞬态电感是转子位置和电枢绕组电流的多元函数,解析法难以准确计及电流时变性和铁磁材料饱和性的影响。

A sensing circuit senses a black current level of the electron beam corresponding to the black level of the video signal and feeds back information about the black current level to the black level controlling circuitry for stabilizing the black current level.

检测电路对与视频信号的黑色电平相对应的电子束的黑色电流电平进行检测,并将与黑色电流电平有关的信息反馈给黑色电平控制电路,以便稳定黑色电流电平。

By fitting the function reflects the changing trends in the data, access overloading current round of fighting, and in accordance with a real-time measurement of the current round of fighting, from coal forecast instantaneous flow, and flow measuring devices and video detection to the instantaneous flow of coal from joint participation control, at the same time on different Bucket Meidui set rated from coal flow from coal bucket wheel and different operating current limit, to ensure that coal Bucket from the high efficiency and safe operation.

通过拟合的函数关系反映出的数据变化趋势,获取斗轮超载电流,并根据实时测得的斗轮电流,预测瞬时取煤流量,并与视频流量检测装置检测到的瞬时取煤流量共同参与控制,同时为斗轮机对不同煤堆取煤设定额定取煤流量和不同的斗轮工作电流上限,确保斗轮机取煤的高效率和运行安全。

Such as the 12mm plate butt welded flat bottom closure φ3.2mm the electrode selection, welding current :80-85A, filling, cover the surface layer of the electrode selection φ4.0mm, welding current :165-175A, a reasonable choice welding current and electrode diameter, easy to control bath temperature, is the basis for forming weld.

如12mm平板对接平焊的封底层选用φ3.2mm的焊条,焊接电流:80-85A,填充,盖面层选用φ4.0mm的焊条,焊接电流:165-175A,合理选择焊接电流与焊条直径,易于控制熔池温度,是焊缝成形的基础。

A tested prime motor is mechanically connected with a magnetic particle brake through driving steps, an instruction computer controls the output current of a power program controller, and the output current is used as the excitation current of the magnetic particle brake. A ball feed screw is arranged between a decelerator and a counterweight pan during the driving steps, and a cap nut covers on the ball feed screw. The holder of the ball feed screw is fixedly provided with a guide rail which is fixedly connected with the cap nut through a flange.

其被测试原动机通过传动环节与磁粉制动器机械连接,指令计算机控制电源程序控制器的输出电流,电源程序控制器的输出电流作为磁粉制动器的激磁电流,传动环节中在减速器和配重盘之间设有一滚珠丝杠,滚珠丝杠上套设一螺母,在滚珠丝杠的底座上固定一导轨,该导轨与螺母通过法兰固定连接。

Aiming to characteristic of 3-phase to 2-phase power supply based on balance transformer, a new current balance compensation method utilizing inverter is proposed, which is mainly used to compensate negative sequence current .

从而使平衡变压器两相侧的输出电流对称,消除平衡变压器三相侧产生负序电流的条件,达到三相电流对称的目的。

"What makes these different from conventional electronic networks," he said,"is that instead of thinking in terms of a conduction current, one should think in terms of the displacement current, which indeed can 'flow' in free space and in dielectric materials."

他解释道:&之所以会产生这些与传统电子网络不同的概念,原因是我们不是从传导电流的角度而是从位移电流的角度进行考虑的,位移电流确实可以在自由空间和在电介质材料中流动。&

Lamp Current Crest Factor: Ratio of peak current to the root mean square lamp Current.

灯管电流峰值因数:峰值电流与灯管电流平方根的比值。。

Load Model, Overcurrent Relay, Fault Current, Tap Value Current.

负载模型、过电流电驿、故障电流电流分接头。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。