With the strategy of the UC3525 core as well as an inner current-loop and an outer voltage-loop control, the output stable voltage and limited current are realized very well.
控制电路以UC3525为核心，构成电流内环、电压外环的双环控制模式，实现系统稳压和限流。
Let's close the loop and let's try to figure out the voltage inside this loop.
我们闭合线圈，并试着算出线圈内部的电压。
Due to the particular load characteristic, both the current loop and voltage loop control circuits are devised.
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。
Hybrid control strategy combining digital PID control and repetitive control is applied in the external voltage loop to achieve less waveform distortion and better dynamic performance.
同时在电压外环中采用数字PID控制和重复控制相结合的复合控制策略，减小波形失真，改善动态特性。
The same remarks for the ideal voltage source in nodal analysis apply to ideal current sources in loop analysis.
关于节点分析法中理想电压源的附注同样可以应用到回路分析法中出现理想电流源的情况。
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.
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。
With the help of the sweeping velocity of magnetizing current controlled by a flux feedback loop a nearly constant induced voltage is produced.
借助磁通反馈环节控制磁化电流扫描速度，使得产生的感应电压接近常数。
The open loop time constant of the main generator influence the overshooting evidently. The important factor is the rising speed of the output DC voltage.
主发电机的开环时间常数会对建压过冲产生影响，而输出直流电压的上升速度也是一个重要因素。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
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。
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.
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。
According to the characteristic of the control loop, simple voltage control mode and basic PI compensation are employed to ensure the stability of the converter.
在电路设计上，根据环路传递函数的特征，利用简单的电压模式控制和基本的PI补偿器，保证了宽带环路控制的稳定性。
Flywheel control system has two closed loops, the inner is voltage stabilization loop, other is current loop or is speed loop in different mode.
飞轮控制系统是个多回路系统，内回路为电压稳定回路，外回路在不同的工作模式下分别为电流回路和转速回路。
By adjusting under voltage regulation loop, it achieves the function of providing stable 110v DC output.
通过电压闭环调节，实现了输出恒定110V直流电压的功能。
A DC voltage outer loop control for power balance and PI correction and an ac current inner loop control for feedback are designed to ensure the current quality and stabilize the DC voltage.
通过直流电压外环的功率平衡控制及比例积分校正，配合内环并网电流反馈控制，使并网逆变器在保持并网电流质量的同时更好地控制直流电压。
By adopting the new design of circuit loop with cross-multiplying terms, the precision of voltage and speed controlled will be enhanced in a wider speed range.
在电流环中引入了一组电流交叉乘积项计算出准确的轴电压控制值，实现控制系统在较宽的速度范围内满足较高的控制精度。
The ripple of the output voltage is decreased remarkably and the dynamic performances of the circuit are improved obviously due to the pulse compensation circuit and the optimized voltage loop.
脉动补偿电路及优化的电压环使输出电压纹波显著减小，并改善了电路动态性能。
In the control of voltage source PWM rectifier, direct current control and dual close loop control structure ind-q synchronous reference frame are widely adopted.
在电压型PWM整流器的控制中，广泛采用在同步旋转坐标系下的直接电流控制方法和双闭环控制结构。
Each module is controlled by voltage current two closed loops. The common voltage loop controls system output voltage & frequency, and generates a common reference current signal.
三台航空静止变流器模块均为电压、电流双环控制，通过公用电压调节器稳定并联系统的输出电压及频率，同时产生统一的模块电流给定信号。
A closed loop control system is formed by current and Voltage feedback system by means of HALL sensor and potentiometer.
借助输出电压采样和霍尔元件，设计了电流、电压反馈电路，形成了闭环控制系统。
The closed loop Hall current and voltage sensors' principle was introduced.
介绍闭环霍尔电流和电压传感器的基本工作原理。
The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
The speed adjusting system with field weakening with voltage feedforward, current closed negative feedback and speed closed loop was designed by adopting digital signal processor (DSP).
采用数字信号处理器（DSP）控制器，设计了具有电压前馈和电流截止负反馈的转速闭环弱磁调速系统。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
The inverter uses full bridge topology and SPWM technique. The inverter voltage is controlled by single closed loop feedback based on PID.
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 function of a loop filter is to filter high-frequency signal out of the output voltage from PFD and CP, thus the output signal from VCO will be purified.
环路滤波器的作用就是滤除从PFD&CP出来的电压中的高频成分，从而纯化VCO的输出信号。
SPWM method is adopted to control the inverter model. Digital PID adjuster is used to realize voltage loop and the value modulation is used to maintain the value of output voltage.
逆变控制采用SPWM方式，由数字PID调节器实现输出电压瞬时值反馈，并采用有效值调节实现稳压。
Closed loop structure is adopted in this control system, the current and voltage of welding is used as feedback quantity.
该控制系统采用闭环结构，焊接电流、电弧电压为反馈量。
This paper presents a new method that PIR-P dual loop control based on rotating coordinates to improve the output voltage symmetry of inverter under the serious unbalanced load condition.
为改善逆变器系统在严重不平衡负载情况下输出电压的对称性，文中提出一种新颖的控制策略——旋转坐标系下的PIR - P双环控制。
Using this resonance controller to take a closed loop control to selected harmonic voltage makes DVR with a function of harmonic voltage compensation, which has little influence on DC link voltage.
应用这种静止坐标下的谐振控制器对指定次数的谐波电压进行闭环控制，使DVR具备补偿谐波电压的功能，而对基本DVR的电压凹陷补偿性能的影响很小。
Using this resonance controller to take a closed loop control to selected harmonic voltage makes DVR with a function of harmonic voltage compensation, which has little influence on DC link voltage.
应用这种静止坐标下的谐振控制器对指定次数的谐波电压进行闭环控制，使DVR具备补偿谐波电压的功能，而对基本DVR的电压凹陷补偿性能的影响很小。
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