维持锁定的直流控制电压由鉴相器提供，因此鉴相器的两个输入信号间留有一定的相位差。
The maintenance locking cocurrent control voltage provides by the discriminator, therefore between the discriminator two input signal leaves leeway certain phase difference.
对基于电压源换流器(vsc)的直流输电(VSC - HVDC)系统的起动过程控制策略进行了研究。
The control strategy of start-up process of HVDC based on voltage source converter (VSC-HVDC) is discussed.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
如此，在容限电压法当中，直流电压和和有功功率分别被整流器和反相器所控制。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
这款可靠的直流发电机可根据电枢轴的旋转速度直接提供电压输出值，该设计应用于速度控制应用领域。
These reliable direct current generators provide a voltage output directly proportional to the rotational speed of the armature shaft and are specifically designed for speed control applications.
由于直流供电电源纹波的影响，电压控制SPWM逆变电路的输出谐波分量幅值较大。
Because of the ripple of the DC power supply, the output harmonic amplitude of the voltage controlled SPWM inverter is higher.
为了提高异步电机无速度传感器矢量控制的低速性能，提出了一种定子电压幅值和直流偏置补偿办法。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
基于PWM整流技术，并通过控制逆变器开关的导通顺序调节逆变器直流侧的电容电压。
Based on the technique of PWM rectifier, the DC voltage of the inverter was adjusted by controlling the switch order of the switching elements.
表示为25a接触器的主触头为三对常开，辅助触头为一对常开，控制线圈的电压为直流110v，订货数量为20台。
Means need 25a contactor, main contact are three normally open, auxiliary contact is one normally open, control coil voltage is DC 110v, order volume is 20 sets.
实例计算表明，换流站合适的无功补偿及直流控制方式有利于电压稳定。
Numerical examples prove that adequate inactive power compensate and DC control model can improve voltage stability.
控制和保护回路模拟信号的电压都低于24V直流。
The voltage of the analog signals in control and protection circuits are all below DC 24V.
此外，讨论了PWM逆变器及其直流侧电压的控制方法。
In addition, the control methods of PWM inverter and its dc side voltage are discussed.
上述原理表明，通过改变直流励磁电流，可以连续地控制HSY的气隙磁通和绕组感应电压。
The above principle suggests that the gap flux and the voltage induced in armature winding of HSY can be controlled adequately and continuously by varying dc field current.
电机控制，精确发送的脉冲微调天线的共振点的火车上的直流电压由PWM电路。
The motor is controlled by a PWM circuit that precisely sends DC voltage on a train of pulses for fine tuning the antenna to the resonance point.
介绍基于直流110v电压控制回路的一个应用。
In this article, An application of PLC on 110v direct current Voltage control circuit is introduced.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。
It is common for the direct current circuit to be interfered by alternating current voltage.
应用PI控制使逆变器直流侧电容电压保持稳定，保证DSTATCOM良好的电流跟踪性能。
The voltage of the capacitance which is on the DC side of the inverter is stabilized by using PI control strategy, which ensures the DSTATCOM 's good current tracking performance.
最后，由于采用直流电源供电并且电压控制在36伏以下，因此安全性大大提高。
Lastly, safety can be increased largely because of using DC electrical source and control voltage under 36v.
采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
通常采用控制晶闸管的导通角，而得到输出连续可调的直流电压。
Usually, the output voltage for continuous adjustment was obtained by controling turn-on angle of thyristor.
容压法电力交换控制已经应用于终端控制器的直流电压控制部分和有功功率控制部分。
The voltage margin method for interchange power control was applied to the dc voltage control block (DC-AVR) and the active power control block (APR) in the terminal controller.
本文详细分析了并联型有源电力滤波器的控制策略，包括补偿电流跟踪控制和直流侧电压控制。
Shunt active power filter's control strategy including compensatory current control and DC voltage control is analyzed in detail.
电源及能调节交流或直流电流在期望值的5%之内的，控制开路电压到最大20毫伏的路。
Power supply or circuit capable of regulating either alternating or direct current within 5% of desired value, and limiting the open circuit (source) voltage to 20 millivolts maximum.
在讨论电压源型高压直流输电（VSC-HVDC）的控制策略中，根据所给出的拓扑结构，建立三相静止系统下的数学模型；
According to the given topology of voltage source converter based HVDC system (VSC-HVDC), three-phases mathematic model in stationary frame is established.
本文利用最常见的用于电源的PWM电压调节芯片TL494，设计成直流电机调速控制电路。
This paper makes use of ordinary power supply chip TL494, which having characteristic of PWM output, DC motor speed-varying control circuit has been designed.
对有害电流检测方法、新型UPFC的变换器的调制方法、新型UPFC直流侧电容电压的平衡控制方法等进行了深入研究。
The detecting techniques of harmful currents, the modulation methods of novel UPFC and the balancing control of capacitors voltage on DC link are studied thoroughly.
将这种过调制算法应用于永磁同步电机矢量控制系统中，提高了逆变器直流母线电压利用率，实现了对永磁同步电机弱磁运行区域的扩展。
The overmodulation algorithm is applied in the PMSM vector control system to increase output voltage of SVPWM inverter, and to extend the PMSM operation range.
在一个给定了输入电压的直流-直流变流器中，输出的平均电压是通过控制开关的导通和关断时间来控制的。
In a dc-dc converter with a given input voltage, the average output voltage is controlled by controlling the switch on and off durations (ton and toff).
为了对通用电能质量控制器直流侧电压进行更为有效的控制，提出一种用于三相三线通用电能质量控制器(UPQC)直流侧电压控制的外环模型。
In order to make more effective control of universal power quality controllers (UPQC), an outer loop model for the voltage loop in a three-phase three-wire UPQC is proposed in the paper.
采用能量平衡原理实现了逆变器直流侧电压的控制。
Furthermore, DC voltage control is achieved adopting power balance theory.
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