本文介绍了平均电流控制型和峰值电流控制型开关调节系统的分析方法。
The analytical method of power switching regulation system which has current-mode control is introduced in this paper.
从电流控制型电路原理、优点,UC 3845a的特点,提出了一个实用的高频开关电源。
This paper introduces the principle, advantages of the current control mode and the features of UC3845A.
电流控制型白光led驱动电路因为线性调整率和负载调整率非常好的优点成为目前设计的热点。
Current controlling mode white LED driver is hotspot because of its good line regulation and load regulation.
电流控制型PWM控制芯片uc 1845集成过压、过流保护功能,脉冲频率高,驱动能力强,动态响应迅速。
The current mode PWM controller UC1845 integrated with over current protection and over voltage protection, has a quicker dynamic response.
本文介绍了以电流控制型脉宽调制芯片uc 3842构成的开关电源的原理,分析了其保护电路的缺陷,并提出了一种改进的思路。
The paper introduces the principle of switch power which is composed by current control type PMW UC3842 and analyzes the shortage of protective circuit and proposes an improving idea.
借鉴电流控制电压型变换器的研究成果,将电流控制的概念引入矩阵变换器。
Referred to the achievement of current controlled voltage source converter, the idea of current control is introduced into MC.
在稳态条件下,分析了电压型PWM整流器四象限运行工作原理,得出关键在于网侧电流控制的结论。
Under steady state, the four-quadrant working principle of PWM rectifier has been explained here, the key for which has been found to be ac-side current control.
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 puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
在引入了跨导线性原理后,利用混合跨导线性回路完成了对电压跟随器的设计,进而得到了双极管型电流控制传送器。
After introduction of the tranlinear loop principal, the BJT current controlled conveyor has been designed by using mixed tranlinear loop voltage follower.
针对并联型有源滤波器提出了一种电流控制新方式,与传统控制方式不同,该方式不需要检测非线性负载中的谐波及无功电流。
A new equivalence principle of current control for shunt active power filters is introduced, which having no use for measurement of harmonic and reactive currents of nonlinear loads.
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。
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.
对并联型电力有源滤波器建立了数学模型,详细地分析了在全数字控制下,谐波指令的生成和电流控制器的设计。
Having established the mathematic model of a parallel active power filter, this paper has analyzed the generation of harmonic current order and the design of its current controller in detail.
电流变响应在控制流动场中的描述,是研究ER型流体控制技术的一个重要环节。
The description of ER response in a flow field is a key link of researching ER fluid control technology.
该文对基于间接电流控制三相电压型整流器的数学模型和控制策略进行研究。
The paper presented a mathematic model and control strategy on a three-phase voltage type rectifier under indirect current control.
在建立电流源型PWM变流器稳态数学模型的基础上,分析了系统的耦合关系,提出了一种基于小偏量线性化的前馈解耦控制方案。
On the basis of the stationary state mathematical model of a PWM current-source converter, the paper analyzes the coupling of a converter and presents a simple decoupling feedforward control method.
并联型有源滤波器根据其谐波检测点的不同,有两种控制方法。即负载电流检测控制方法和电源电流检测控制方法。
Based on the differences of harmonic testing point, there are two control ways for shunt active filters, that is, the way of load current sensing and the way of power supply current sensing.
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.
建立了三相电压型PWM整流器电流控制数学模型,输入电流在静止坐标系下实现了固定开关频率的解耦控制。
In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated (PWM) converter.
研究了一种滞环控制的电流跟踪型SPWM逆变器。
We present a novel current-following SPWM inverter with delay-loop control.
在电流跟踪型pwm整流器的基础上引入功率因数调节器,实现PWM整流器的功率因数闭环控制。
Base on the current tracing PWM rectifier, a new structure is proposed by introducing a power factor adjuster in to realization power factor variable PWM rectifier unit.
该系统主回路为高低高结构电流源型变频器,采用单片机为核心的数字控制器,其控制策略采用转子磁通定向直接矢量控制。
This system is a high low high CSI, of which controller is based on a single chip computer. The control strategy adopts vector control.
三相电压型变换器(VSC)控制的关键在于控制其输入电感上的电流。
The math model of three-phase VSC is established in this paper, a current control scheme is applied base on the model.
功率电子应用需要输出电压或输出电流的幅值控制,分别称为电压型控制和电流型控制。
Power electronic applications require the amplitude control of output voltage or output current, called Voltage-Mode control and Current-Mode control respectively.
在这种新的逆变器开关控制策略中建立多目标优化函数,既使得电压型逆变电路输出电流波形总谐波畸变率尽量小,同时又能减小逆变过程的电力电子开关损耗。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
交—直—交变频器按照交流电机电源电压的控制方法的不同,分为电压型和电流型两种。
Pay - Direct - cycloconverter supply voltage AC motor in accordance with the different control methods are divided into voltage-and current-mode two.
系统中采用了滞环电流可控电压型逆变器技术与单相箝压缓冲技术,并对功率主电路与控制电路进行了设计。
Hysteretic current controllable voltage source inverter technology and single phase clamping buffer technology used in the system were introduced; the power circuit and control circuit were designed.
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。
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。
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.
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