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.
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.
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.
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.
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.
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.
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.
为了进一步提高UPQC的性能,将有源功率因数校正(APFC)技术引入UPQC直流储能单元的直流电容电压控制,详细阐述了其工作原理,并给出了仿真实验结果。
To enhance the performance of UPQC, active power factor correction (APFC) technology is introduced into the DC energy storage unit of UPQC for capacitive voltage control.
采用位移门槛电压控制焊接过程,对Q 235 - A钢进行了变压式和等压式扁钢带直流电阻对焊试验。
A displacement threshold was used to control DC upset butt welding process, and constant pressure and varied pressure tests were carried out on Q235 a steel strips.
其次,本文采用直流电压外环、电流内环的双闭环控制方法,既保证了逆变器输出的静态误差为零,又保证了逆变器良好的输出波形。
Secondly, the DC voltage loop and inner current closed-loop control method, both to ensure zero static error of the inverter output, but also to ensure that the inverter output waveform.
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。
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.
控制逆变器直流电容的平均电压与电压波动为适当值是保证并联型电力有源滤波器具有良好补偿性能的一个重要因素。
Controlling the DC capacitor average voltage and fluctuant voltage at an adequate value is an important factor which guarantees the excellent compensation characteristics of shunt active filter (APF).
两种形式的输出幅度可以通过改变直流电源电压或通过改变脉冲宽度(脉宽调制pwm)来控制。
Output amplitude in both modes can be controlled by varying the DC source voltage or by varying the pulse-width (pulse-width modulation, PWM).
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.
同时,设计了用于牵引逆变器控制的二次数字陷波器以及低通滤波器滤除直流电压信号的二次脉动。
Simultaneously, the second order notch filter and low-pass filter are designed to filter the second order rippled DC voltage signal.
首先将整流直流电压的测量值与给定值进行比较并相减,再经过具有低通滤波功能的误差放大器后得到电压控制量。
First, rectified DC voltage are compared with the given value and subtraction, and then obtained voltage control value after get through a low-pass filtering and the error amplifier.
将LVDT输出加在同步稳压器上,跟随一个低通滤波器,产生直流电压送至adc或直接驱动模拟反馈控制系统。
Applying the LVDT's output to a synchronous rectifier followed by a lowpass filter produces a dc voltage that can feed an ADC or directly drive an analog feedback-control system.
针对统一潮流控制器在逆变变换过程中所具有的直流侧电压不断波动的特点,提出了动态SPWM方法,以克服逆变电源的直流电压波动对SPWM法的逆变输出的精确性所造成的影响。
Taking account of the voltage floating of the DC side of Unified Power Flow Controller in working process, a dynamic SPWM method is proposed, to promote the accuracy of the output of the inverter.
控制应用和实现连续24伏直流电源电压介于0通过电位器或其他变量的权力。
Control achieved by applying straight voltage between 0 and 24 VDC via potentiometer or other variable power supply.
不足二盎司的自重,新的放大器却能够提供了广泛的电源电压范围,从而能驱动和控制规模在13毫米到30毫米的无刷直流电动机。
Weighing in at under 2 oz, the new amplifier is able to provide a broad supply voltage range, which makes the driver capable of controlling the smaller 13mm BLDC motors to the larger 30mm motors.
不足二盎司的自重,新的放大器却能够提供了广泛的电源电压范围,从而能驱动和控制规模在13毫米到30毫米的无刷直流电动机。
Weighing in at under 2 oz, the new amplifier is able to provide a broad supply voltage range, which makes the driver capable of controlling the smaller 13mm BLDC motors to the larger 30mm motors.
应用推荐