This number can then be used to derive any adjustments to the drive current or voltage in order to keep the flux output (or the color output of an RGB series of LEDs) inside the visible limit.
我们随后可用这些数值来调节驱动电流或电压,从而确保通量输出(或RGB系列LED的色彩输出)在可见范围之内。
Advanced voltage clamping techniques are demonstrated, which can also limit the second voltage spike originating from the tail current cut off.
可以证明,采用先进的电压箝位技术能够限制因关断拖尾电流而引起的第二个电压尖峰。
It has four start mode: the ramp voltage start, the limit current start, the ramp speed start and the discrete frequency start.
所研究的软起动器具备四种起动方式:电压斜坡起动、限流起动、转速斜坡起动和分级变频起动。
Johnson noise imposes a theoretical limit to achievable voltage or current resolution.
约翰逊噪声给出了可以达到的电压或电流测量分辨率的理论极限值。
Meanwhile, the clamp circuit will limit the output voltage or current at a fixed value when they are abnormal that caused by a DUT short circuit or other fault in order to protect the device.
当被测dut发生短路或其他异常导致电流或电压过高时,钳位电路会将输出电压或电流限制在一个固定值上,以保护器件不被损坏。
The superconducting fault current limiter (SFCL) can limit current and realize to control the voltage dip in non-faulted line.
超导故障限流器可以在限流的同时实现控制非故障线路电压跌落的目的。
Additional features include an onboard low drop regulator for IC power, programmable soft start, undervoltage lockout, adjustable current limit and output voltage temperature compensation.
其他特点包括用于IC电源的内置低压差稳压器、可编程软启动、欠压闭锁、可调电流限制和输出电压温度补偿。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
本文研究了三相感应电动机软起动器,主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。
The experimental results show that the operation is stable and may be used to complete the synchronized-closing of capacitor banks in order to limit the transient over-voltage and inrush current.
结果表明,相控真空断路器动作分散性小,可以有效地完成电容器组的同步关合,大幅度降低系统暂态过电压、减小涌流。
The chip has under voltage protection, over voltage protection, over temperature protection and cycle-by-cycle current limit.
同时该芯片具有电源欠压保护、输出过压保护、过温保护和每个周期的电流限制等功能。
Role: at start ballast circuits, the flip-flop because of the co-ordination of the moment have a high-voltage, so that the discharge lamp to start. Line at work to play the role of limit tube current.
作用:镇流器在启动线路中,由于触发器的配合产生瞬间高压电,使灯管放电启动。
The simulation model of high voltage induction motors soft starting control is created by MATLAB. The soft starting control model of the current-limit start and the voltage-slope start are simulated.
利用MATLAB搭建了高压异步电动机软起动控制的仿真模型,对限流和电压斜坡软起动控制方式分别进行仿真。
Shunt reactor could be installed in the middle segment of the UHV transmission line, in order to compensate capacitive current of transmission line and limit over-voltage of line without load.
特高压长线路可能在线路中间接入并联电抗器,从而有效补偿线路电容电流,抑制空载线路过电压。提出了在特高压长线路中间带并联电抗器时的线路分相电流差动保护原理。
Shunt reactor could be installed in the middle segment of the UHV transmission line, in order to compensate capacitive current of transmission line and limit over-voltage of line without load.
特高压长线路可能在线路中间接入并联电抗器,从而有效补偿线路电容电流,抑制空载线路过电压。提出了在特高压长线路中间带并联电抗器时的线路分相电流差动保护原理。
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