This paper compared the model of inverter and DC motor at first and proposed that the dual-loop control for DC motor can be used to that of inverter.
该文首先比较了逆变器模型与直流电机模型的相似性,提出逆变器的控制可以借鉴直流电机的双闭环控制方法。
In order to solve the problem mentioned above, a novel design which combines three phase fourlegs inverter, repetitive controller and PI double loop control.
本文将三相四桥臂逆变器与重复控制技术、PI双闭环控制相结合,满足了非线性不平衡负载的要求。
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
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。
The instantaneous voltage PID control inverter has advantage on circuit and cost, compared with voltage current dual-loop control inverter.
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 paper studies digital control scheme of resonance inverter frequency-tracking based on all digital phase-locked loop.
本文主要研究了基于全数字锁相环的谐振型逆变器频率跟踪的数字化控制方案。
Theoretical analysis and experimental results verify that the dual closed loop repetitive control based inverter has high output energy quality and low THD of grid-connected current.
理论分析和实验表明,基于双闭环重复控制的并网逆变器具有较高的输出电能质量和较低的并网电流谐波畸变率。
This paper introduces the application of general inverter in the coal dust supply closed loop control system of power station, which consists of relevant transducer and intelligent controller.
本文详细介绍了通用变频器在电厂给粉控制系统中的应用,并采用相关变送器及智能调节器构成闭环控制系统,此系统的构成可大大提高给粉的经济和技术指标,其综合效益十分明显。
For avoiding the math models of three-phase AC electromotor and frequency inverter, adopt the simple similarity of ascending curve method to ensure the math models of every loop.
为避开三相交流异步电动机和变频器的数学模型,利用飞升曲线法简单近似确定各环节的数学模型。
We present a novel current-following SPWM inverter with delay-loop control.
研究了一种滞环控制的电流跟踪型SPWM逆变器。
The main loop includes a three-phase bridge, an inverter module with three IGBT power tubes, a braking circuit and protecting circuits, etc.
系统主回路含三相全波整流桥电路,三对IGBT功率管组成的逆变器电路,制动电路及保护电路等。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
为了限制逆变器桥臂直通短路时故障电流的上升率,可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
The single close-loop control method of HFL inverter based on voltage feedback was designed for better performance.
控制系统采用瞬时电压单闭环控制策略,以提高高频链逆变电源的动静态特性。
The low speed wind tunnel data acquiring and the closed loop controlling of wind velocity are realized by PLC and human machine interface and inverter from Fuji.
采用富士plc、人机界面与变频器实现了低速风洞数据采集和风速的闭环控制。
A new resonant sensor consisting of two resonators of uniform structure and size is presented. The closed loop control system is composed of two amplitude controllers and an inverter.
提出一种采用双谐振器敏感结构的谐振式传感器,传感器的敏感元件包括两个结构参数一致的谐振器,传感器的闭环控制系统由两个幅度控制器和一个反相器组成。
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 paper takes advantage of a single close-loop control method based on voltage feedback, and enables the inverter to produce steady sine waves by the digital PID adjuster designed.
本文采用电压反馈的闭环控制方式,设计完成了数字PID调节器,使逆变器输出稳定的正弦波。
Base on the inverter model, the parameter of these different control loop controller is designed and the digital control achieved through DSP TMS320LF2407A.
在分析逆变器模型的基础上设计了各控制器参数,并通过芯片TMS320 LF 2407 A实现了数字控制算法。
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。
Used 'inverter system comes with the features of the PID closed-loop control to achieve pressure transmitter for Water Supply to provided with a viable option.
利用变频系统自带的PID功能结合压力变送器实现闭环控制,为恒压供水提供一种可行的方案。
Check the main loop and measurement frequency inverter modules and rectifying module properties is good.
先检查变频器的主回路,测量整流模块和逆变模块特性良好。
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。
The measure and benefit of inverter PID closed-loop control reformation were introduced.
介绍用变频器PID闭环控制改造的措施及效益。
Aim at the problem, a novel inverter control scheme of DSP-based voltage and current dual loop control with repetitive controller embedded is presented in this paper.
针对此问题,本文提出了一种新的基于DS P带重复控制器电压电流双环反馈控制方案。
A microcomputer controlled IGBT inverter power source for pulsed MIG welding is developed. It realizes the self adaptive control and closed loop control of arc voltage in pulsed MIG welding process.
建立了微机控制和IGBT逆变式脉冲MIG焊电源系统,实现了MIG焊接过程弧压自适应闭环控制。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算,提出一种固定开关频率型电流跟踪SPWM变频调速系统。
For the parallel inverter system without output isolation transformers, the difference of DC components of the output voltage can cause large DC loop-current among modular inverters.
对于无输出隔离变压器的逆变器并联系统,各模块输出电压直流分量不一致会在模块间产生较大的直流环流。
A practical open-loop control system for the three-phase grid inverter was also developed in the work.
实际开发了一套针对三相并网逆变器的开环控制系统。
DSTATCOM is designed with double loop control method of predictive current and 3-level inverter for its main circuit.
DSTATCOM采用预测电流控制的双环控制方法和三电平逆变器的主电路设计。
DSTATCOM is designed with double loop control method of predictive current and 3-level inverter for its main circuit.
DSTATCOM采用预测电流控制的双环控制方法和三电平逆变器的主电路设计。
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