Furthermore, DC voltage control is achieved adopting power balance theory.
采用能量平衡原理实现了逆变器直流侧电压的控制。
The SHC-APF include a selective detection unit and a closed loop for DC voltage control and current control.
这种有源电力滤波器由选择性谐波检测环节、电压控制和电流控制环节组成。
Compensatory current control adopts triangle wave compare control, and DC voltage control adopts PI closed loop control.
补偿电流跟踪控制选用三角波比较控制法,并采用带电压前馈控制的比例调节闭环控制。
Shunt active power filter's control strategy including compensatory current control and DC voltage control is analyzed in detail.
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。
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.
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。
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.
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。
Each control or module adopts DC 24v low voltage module, safe and reliable, easily to be maintained directly.
各控制组件均采用直流24v低压组件,安全可靠,便于直接维修。
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.
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。
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.
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。
Numerical examples prove that adequate inactive power compensate and DC control model can improve voltage stability.
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。
The voltage of the analog signals in control and protection circuits are all below DC 24V.
控制和保护回路模拟信号的电压都低于24V直流。
In addition, the control methods of PWM inverter and its dc side voltage are discussed.
此外,讨论了PWM逆变器及其直流侧电压的控制方法。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现,采用了控制状态机与PWM发生电路相结合的方法。
MPS700 series dc voltage constant-current power supply, is designed by using linear series MOSFET control mode of the ac input dc output power.
MPS700系列直流稳压稳流电源,是采用MOSFE T线性串联调整方式设计的交流输入直流输出电源。
The active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
将有源功率因数校正技术引入UPQC直流储能单元的电压控制。
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。
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.
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。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心,采用IPM智能功率模块为功率元件,组成了交直交电压型逆变器主回路。
The simulation results show that the amplifier of improved control circuit not only solve the question of output DC offset, but also keep the voltage gain lowered by voltage compensation technique.
仿真结果表明,改进控制电路后的系统不但解决了输出直流偏置问题,而且解决了电压补偿方法所造成的放大器增益下降问题。
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.
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。
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.
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。
Lastly, safety can be increased largely because of using DC electrical source and control voltage under 36v.
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。
A fuzzy controller for capacitor voltage at DC side is designed by using fuzzy control rule with self-adjusting factors.
采用带有自调整因子的模糊控制规则设计了有源滤波器直流侧电压的模糊控制器。
Furthermore, the method is used to control the DC bus voltage of the VIENNA rectifier, with enhanced control accuracy and system stability.
然后将所提方法应用到VIENNA整流器直流母线电压控制中,提高了控制精度,并增强了系统的稳定性。
DC DC convertors can convert the EV's high voltage DC power supply into the low voltage DC power supply. In order to design an excellent convertor one must be guided by theory of automatic control.
为了设计出在电动汽车上把高压直流电源变换成低压直流电源的高品质DC DC变换器,采用自动控制理论进行指导。
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。
Based on hysteresis current control, the basic operation principle of PWM AC DC voltage source converter is analysed. Moreover, the design concept of the control system is described in detail.
从滞后电流控制的角度阐述了PW M电压型高频整流器的基本工作原理,较详细地介绍了控制系统的设计思想。
Each control module adopts DC 24V low voltage module, safe reliable, easily to be maintained directly.
各控制组件均采用直流24v低压组件,安全可靠,便于直接维修。
Each control module adopts DC 24V low voltage module, safe reliable, easily to be maintained directly.
各控制组件均采用直流24v低压组件,安全可靠,便于直接维修。
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