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.
本文中对于平均电流模式控制的工作原理和具体实现进行了深入分析。
The principle and implementation of the average current mode control was deeply analyzed in this thesis.
该MAX15058采用了具有高增益跨导误差放大器电流模式控制架构。
The MAX15058 utilizes a current-mode control architecture with a high-gain transconductance error amplifier.
同时,一个平均电流模式控制的电流源被用来对选中的单体提供恒定的充电电流。
Meanwhile, an average current mode controlled power source is used to provide constant charging current to these selected cells.
电流模式控制架构,方便易于补偿设计,并确保快速响应的电压和负载瞬态逐周期电流限制。
The current-mode control architecture facilitates easy compensation design and ensures cycle-by-cycle current limit with fast response to line and load transients.
每个单相电路采用一片平均电流模式控制芯片uc 3854 B作为控制核心,电路简单,参数设计方便。
A average circuit mode control chip UC3854B is used to control each phase, thus the circuit and parameters are easy to design.
为改善功率因数,对神经网络控制器(NNC)与电流模式控制器(CMC)的控制效果进行了仿真比较研究。
To correct the power factor, the controlling effect of both neural network controller (NNC) and current mode controller (CMC) is researched in this paper.
该变流器应用ZVS - PWM技术和平均电流模式控制方法,并采用最大电流自动均流法实现多机并联均流。
The converter use ZVS-PWM technique and the average current mode control method, and the use of maximum current flow to achieve automatic multi-parallel current.
已获专利的仿电流模式结构在不能由传统电流模式控制进行编址的低占空比应用下,提供了出色的负载瞬态响应。
The patented emulated-current-mode architecture provides superior load transient response in low duty cycle applications that are not addressable by traditional current mode control.
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.
由于这种控制方式具有响应时间快,稳定性高,内在限流保护等特点,因此近年来电流模式控制方式在电源管理芯片中得到了广泛的运用。
Due to its characteristics of fast response, good stability, inherent current limiting, current-mode controller has been widely applied in power management circuits.
文中提出了一种用于PWM控制器的比较器输出电路的设计,该电路基于电流模式控制,能够同时对三路输入信号进行比较输出并对输出信号进行锁存。
A comparator circuit based on current-mode control used in PWM controller is presented that is able to compare 3-data at a time and latch output signals.
本文使用双电流控制模式,以智能芯片uc 3842为核心,设计了单片开关电源的实用电路。
In this paper, by the use of dual-current control mode and intelligent UC3842 chip as the core, a single-chip switching power supply circuit are presented.
它同时适用于电流和电压模式控制方法。
It is suitable for both current - and voltage-mode control methods.
卫星姿控飞轮是由三相轮流换向无刷直流电动机驱动的,采用力矩控制(电流反馈)模式。
Satellite attitude control flywheel is driven by three-phase alternate commutating brushless DC motor, schema of which is torque control model (current feedback).
外部逻辑控制引脚用来选择输出电流组合,并能够使芯片进入关断模式;
Shutdown mode and current output levels are selected via two control logic inputs.
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.
通过状态机对负载进行离散侦测以及电流极限模糊控制模式,提高了电源的响应度;
Response speed has been improved by both the state machine, which makes discrete detection on load, and current limit fuzzy control.
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.
提出在基于本地测量参数的UPFC的应用级控制中采用“无功电流控制”和“电压注入控制”的模式。
In view of local measurements on implication and control of UPFC, the control mode of reactive currents control and voltage injection should be used.
论文采用了平均电流模式下的双闭环控制,提高了变换器的动态性能和稳态性能。
The paper takes advantage of a double closed-loop control method based on average-current mode and improves the static and dynamic performance of the converter.
针对多相电机控制模式复杂性的特点,提出一种新颖的控制方式:即六相感应电机梯形波相电流控制。
With the complexity of the control of multiphase machines, a novel control method was proposed in this paper, namely six-phase motor trapezoidal wave phase current control.
这种操作模式也可解决与操作温度高的传统控制器的问题,传统控制器由于温度造成PV电压而终止输送电流。
This operating mode can also solve problems associated with very high temperature operation where conventional controllers cease to deliver current due to temperature induced PV voltage reduction.
飞轮控制系统是个多回路系统,内回路为电压稳定回路,外回路在不同的工作模式下分别为电流回路和转速回路。
Flywheel control system has two closed loops, the inner is voltage stabilization loop, other is current loop or is speed loop in different mode.
研究了一种高频链反激逆变器拓扑及其工作在电感电流连续模式下的控制方案。
A novel high frequency link flyback inverter which works in the continuous conduction mode (CCM) is presented.
介绍了配洗连轧线开卷机的自动电流控制和自动速度控制模式。
The automatic current control and speed control of decoiler in pickling and cold rolling line are introduced.
但如果设计反激有源箝位电路工作在电流连续模式,控制占空比,使输入电流跟随输入电压,可以提高输入功率因数。
However if the active clamp flyback converter is designed to operate in CCM, and the duty cycle is controlled to make the input current track input voltage, the input power factor can be improved.
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.
控制电路以UC3525为核心,构成电流内环、电压外环的双环控制模式,实现系统稳压和限流。
With the strategy of the UC3525 core as well as an inner current-loop and an outer voltage-loop control, the output stable voltage and limited current are realized very well.
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%.
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