阐述了峰值电流控制的不稳定性及原因。
Instability and reasons of peak current control are also expatiated.
介绍了峰值电流控制开关电源的原理和优点。
Principles and virtues of switching power supply of peak current control are presented.
介绍了峰值电流控制开关电源的原理和特点。
This paper presents the principles and features of switching power supply in the peak current control.
论述峰值电流控制和平均电流型控制的工作原理及电路的主要特点。
The paper presented here describes the configuration characteristic of peak current-controlled and average current-controlled models.
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.
给出了峰值电流控制模式稳定性的数学证明,提出了驱动脉冲宽度稳定性概念。
The mathematic research on stability of current control mode is discussed in this paper, and a new concept of the driver pulse width stability of the converter is proposed.
功率因数校正级和DC/DC 变换级分别采用平均电流控制和峰值电流控制方法。
The power-factor-correction circuit and the DC/DC converter are realized by average-current control and peak-current control, respectively.
提出了一种基于临界电流模式的峰值电流控制技术来实现开关电源的功率因数校正任务。
A critical current mode based on the peak current control technology to achieve switching power supply power factor correction task is proposed.
电路设计采用电流镜、折叠式共源共栅等结构,实现了在峰值电流控制模式中的电流比较功能。
By using the structures such as current mirror, folded-cascode and so on, the function of comparison in peak-value-current-mode-control is realized.
简要分析了峰值电流控制模式升压变换器的不稳定性及其原因,阐述了斜坡补偿的基本原理和设计问题。
Instability and reasons of peak current controlled BOOST converter are simply analyzed, basic principles of slope compensation and design problems are also expatiated.
同时,着重分析了峰值电流控制模式下,由于电流扰动和占空比扰动导致系统在占空比大于50%情况下而出现次谐波振荡原因。
And then, we mainly discuss the peak current controlling mode and the sub-harmonic oscillation when the duty cycle exceeds 50%.
首先论述了临界电流模式的峰值电流控制技术的基本思想,其次论述了采用控制芯片ucc 38051制作了一台输出功率为100w的原理样机。
Firstly it expounds peak current control technology of the critical current mode, then discusses a 100w laboratory prototype based on control chip UCC38051.
文章阐述了斩波调速原理,指出峰值电流的大小会影响元器件的寿命,所以有必要对瞬时电流的大小进行控制。
It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.
超快速低损耗控制雪崩整流。重复峰值反向电压150V的平均正向电流2.4A。
Ultra fast low-loss controlled avalanche rectifier. Repetitive peak reverse voltage 150 V. Average forward current 2.4 A.
结果显示,气流的改变主要受电弧瞬时功率控制,最大流量不是发生于压力峰值时刻而是出现在电流过零时。
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
详细介绍了PWM式中峰值电流模式控制中的斜波补偿技术的原理。
The paper introduces the theory of slope compensation in the current-mode of control of PWM mode in detail.
该系统以弧长作为操作量,改变每个周期的脉冲峰值电流的宽度,以达到对焊接弧长控制的目的。
The arc length was taken as the manipulated quantity in the system and the peak current width of welding pulse was varied.
为了进行电源系统分析和设计,本文建立了电压模式和峰值电流模式控制的逆变弧焊电源数学模型,并用计算机进行分析。
In order analyze and design the power supply system, the system models which control by two above-mentioned control modes are established and analyzed by computer.
传统的单周期控制有源电力滤波器以峰值电流检测的控制方式和纹波电流的存在导致补偿后的电源电流中含有直流分量。
There are DC off-sets in the compensated source current of the traditional APF with one-cycle control due to the existent ripple and the peak current detection.
传统的单周期控制有源电力滤波器以峰值电流检测的控制方式和纹波电流的存在导致补偿后的电源电流中含有直流分量。
There are DC off-sets in the compensated source current of the traditional APF with one-cycle control due to the existent ripple and the peak current detection.
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