对与环电压有关的电磁特性也作了一定研究。
The electromagnetic features related to the toroidal voltage measurement are studied.
介绍SWIP - RF P装置等离子体环电压和环电流的测量方法和测量结果。
The plasma toroidal voltage and toroidal current measurement methods and some results on SWIP-RFP device are presented.
可采用SPWM控制功率管的关闭与导通,采用外环电压环,内环电流环的双环控制。
We can use SPWM to control power tube on or off, can use the double-loop control with the inductance current inner loop and capacitor voltage outer loop is introduced.
托卡马克装置产生等离子体击穿的条件是在真空室区域中达到足够大的环电压以及尽可能大的零场区。
The condition that plasma breakdown on Tokmak is get enough high loop voltage and large null field region in the vacuum vessel area.
又针对目前存在的问题,研究了基于电压矢量控制的滞环控制系统及方案,其基本内容如下。
Aiming at present problems, the author also studied the hysteresis control system based on voltage vector control and its corresponding scheme.
给出表面电场强度、主结及环结分担电压的解析表达式。
The analytical expressions about surface electric field intensity and voltage undertaken by main junction and ring junction are presented.
针对SPIC中没有可集成的高压过压保护,提出了一种利用场限环的分压特性设计的高压电压探测器。
There is still no integrated high voltage over-voltage protect circuit in SPIC. A novel integrated high voltage detector is proposed by using FFLR.
提出了球—板间隙和环—板间隙正操作冲击50%击穿电压的估算公式。
Formulas for estimating 50% breakdown voltages of sphere-plane and ring-plane gaps are presented.
采用PI调节器加极点的方式,设计出电压环调节器。
Voltage controller was designed by adding a pole to the PI regulator.
通过计算环式电网中的功率分布,来计算电路中的电压降和功率损耗,对于现场电气工程计算具有一定的现实意义。
It is practical in electric engineering computation to calculate the electric voltage fall and power loss through calculating the power distribution of the loop power networks.
本文通过对传统滞环电流控制器的分析,结合电压空间矢量调制方式,提出一种改进的滞环电流控制方法。
This paper presents a sort of improved hysteresis current control method through analyzing the traditional hysteresis current controller and combining voltage space vector modulate method.
最后分析了母线节点的电压相角差和幅值差变化对合环后电流分布的影响。
Finally, this paper analyzes the influence to the current value after operations led by the variations of bus node voltage phase Angle difference and amplitude difference.
计算并对比两个屏蔽环多个位置组合的电压分布,选取最优的位置组合。
The voltage distribution of several position combinations of the two grading rings is calculated and compared, and the best position combination is selected.
而水雾带电量的大小与感应环施加电压呈线性关系,与喷嘴距感应环距离呈抛物线关系。
Meanwhile, the degree of the capacity of electricity has the linearity relations with the voltage and has the parabola relations with the distance between the a prayer and the induction coil.
前级采用电压单环调制方式,后级采用三态滞环离散脉冲调制电流滞环跟踪控制技术。
The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.
其控制系统由两个PI电压控制器和一个滞环电流控制器组成。
The control scheme consists of two PI voltage controllers and one hysteresis current controller.
提出了一种新的基于最优电压矢量的有源滤波器滞环电流控制方法。
A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.
在这一环境下,如果无功功率支持不足,就可能出现电压失稳。
Under this environment, voltage instability may result when reactive power support is insufficient.
数字化逆变器的控制采用TMS320F 240芯片来实现,在其软件中采用了用于电流预估计的PI控制算法和电压电流的双环控制。
The digital inverter is controlled by a TMS320F240 DSP chip, which applying the improved digital PI control arithmetic of the current prediction and the double control loops of voltage and current.
在上述基础上,本文设计了一个具有机端电压反馈和转速偏差反馈的双环非线性PID控制器。
Based on forenamed knowledge, the paper designs a double-loop NPID excitation controller, which has parallel feedback of voltage and error of rotate-speed.
逆变器瞬时电压PID控制与电压电流双环控制相比,在电路结构、成本等方面更具优越性。
The instantaneous voltage PID control inverter has advantage on circuit and cost, compared with voltage current dual-loop control inverter.
本文提出了一种基于最优电压空间矢量的有源滤波器滞环电流控制方法。
An optimized space voltage vector (OSVV) Based hysteresis current control method for active power filters is proposed.
并且针对其独特的负载特性,在设计电流闭环控制电路的同时,还设计了电压环控制电路。
Due to the particular load characteristic, both the current loop and voltage loop control circuits are devised.
该系统包含升压和逆变两个环节,均采用电压外环、电流内环的双环pwm控制方式。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
本文针对全数字直流调速器回路、应用自适应原理,通过数学推导,得出了速度环、电枢电压环、电枢电流环的数学模型。
According to the loops of the total digital DC timing and applied self-adaptive principles, deduce the mathematic model of the speed, armature voltage and armature electrical current loops.
分析了带微分环节的电压滞环的变环宽的原理,指出带微分滞环控制的脉宽调制(PWM)变换器可作为理想的可控电压源。
The paper analyzed the voltage hysteresis with differentiation elements, and pointed out that the PWM converter with differentiation hysteresis controls can be used as the ideal voltage source.
逆变器采用全桥型的拓扑结构,利用了SPWM逆变技术,逆变电压控制通过简单的单环反馈实现,控制方法采用PID算法。
The inverter uses full bridge topology and SPWM technique. The inverter voltage is controlled by single closed loop feedback based on PID.
根据需要电路电流过流保护的特点,重点介绍了滤波电感电流反馈做内环,输出电压做外环的双环控制策略。
Because the circuit needs current overload protect, a double loop strategy , with current feedback of filter inductance as inner loop and output voltage as outer loop, is studied.
磁环式检波器是将机械震动的速度信号转换成电压信号输出的一种电磁传感器。
The magnetic loop geophone is a type of electromagnetism sensor which transforms mechanistic liberate into electric signal.
整个系统控制分为电压环控制和电流环滑模控制。
The whole control unit is divided into the voltage loop control and the current loop control.
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