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.
狱长看了看钟,另一名狱警已在控制室就位,准备随时拉动开关接通到电椅的电流。
The Pope checks the clock while another C.O. mans the switch that activates the electric current into the chair.
当这些线圈被调节到合适的操作频率,电流就可以通过一个开关控制器转换给这些线圈。
The coils all get tuned to the right operating frequency and electricity is transferred to them using a switch-mode controller.
需要符合CCC标志的安全产品包括继电器、开关、控制器和高于36伏特的电流接触器。
Safety products subject to the CCC mark include relays, switches, controllers and contactors that operate above 36 volts.
它们以开关的方式工作,使得一个通路中的电流可以控制另一通路中的电流。
They are switches that enable one electric current to control the passage of another.
负荷电流由调节器通过半导体开关元件直接控制。
The load current is handled directly by the controller through semiconductor switching devices .
以开关信号理论为指导,对电流型CMOS电路中如何实现阈值控制进行了研究。
Guided by the switch signal-theory, how to realize the threshold controlling in current-mode CMOS circuits is studied.
该电路具有既能将负载电流限制在设定值以内,又能控制限流工作时功率管的开关频率等特点。
This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
温度传感器,启动开关s1的,和电流控制电位器都连接到局用伺服引线(可在许多商店的嗜好,在10英尺长度)。
The temperature sensors, start switch S1, and current control potentiometer are all connected to the board using servo lead wire (available at many hobby shops in 10 foot lengths).
在检测到待机信号时,单片机控制继电器开关,将电流切断,家电完全断电,消除了待机功耗,达到节能的目的。
When detecting standby signal, microcomputer gives structure to relay switch to cut off the current, then standby power is eliminated so as to realize energy saving.
RC计时网络中的电容器也可以确定用户可选择的空白窗口,该窗口在开关转换过程中可防止对PWM电流控制电路的误触发。
The capacitor in the rc timing network also determines a user-selectable blanking window that prevents false triggering of the PWM current-control circuitry during switching transitions.
驾驶员通过启动开关来控制这个电流。
The drive controls the flow of this current using the starting switch.
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.
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.
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.
双空间矢量调制两级协调控制能实现整流级零电流换流,极大地减少了开关损耗,提高了变换器的效率。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
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.
低压或高压开关- - -用于当水压降低到预先设置的最低值或超过预先设置的最高值时,切断控制电流。
Low or high pressure switch - turns off control circuit when water pressure drops below a set minimum, or above a set maximum.
通过耦合电感间的换流与开关器件通断相位角的控制,使其输出超前电压的电流,以补偿电网中常见的感性无功。
It can delicer leading current with the current exchange in coupling reactor and the controlling of the switch on off phase angle in order to compensate lagging reactive power.
仿真结果表明在稳态时功率因数接近于1(0.99),验证了给出的励磁电流的控制方法、四象限开关表的正确性。
The simulation results show that the power factor approaches to 1 (0.99) at stable state, and the exciting current control method and switches table in four quadrants are correct.
固态功率控制器由控制和逻辑部件、固态开关部件和电流感受部件组成。
The SSPC is composed of control and logic device, solid-state switch device and current-sense device.
为了实现波束可控,可用开关控制无源单极子的接地状态来改变其阻抗和电流分布。
In order to get beam steering, the switches control the states of the parasitic monopoles to change their impedance and current distribution.
在这里,离散的开或关的状态调制本身可以被用来控制开关,从而控制得或电流负载。
Here the discrete on or OFF state of the modulation itself can be used to control the switches thereby controlling the voltage or current across the load.
在单位功率因数整流器中,利用瞬时值比较法来控制电源电流,不但控制简单,还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
通过对其换流过程的分析,提出了采用谐振开关控制,箝位开关控制的电流滞环控制的调制方式的策略。
By analyzing the process of the inversion, the control strategy of resonant switch and clamped switch modulation with current hysteresis control is discussed.
为了实现开关磁阻电机(SRM)绕组电流或磁链的精确控制,必须提高SR M功率变换器的工作频率以提高系统的动态响应速度。
To achieve the precision control of phase current or phase flux linkage in switched reluctance motor (SRM), the higher switching frequency of converter is required to increase dynamic response speed.
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.
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.
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