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。
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.
提出了一种新型三相逆变器输出滤波器,它能有效地减少输出电压和电流中的开关谐波分量。
A new inverter output filter is presented. It can reduce efficiently the output voltage and current switching harmonic.
一般地说,这种仪器能够同时输出电压、测量电流以或者同时输出电流、测量电压。
Generally, such instruments can simultaneously source voltage and measure current or simultaneously source current and measure voltage.
输出部蓄积能量线感应区域内产生的电荷,输出与蓄积电荷量相当的电流信号或电压信号。
The output part stores the charge occurring in the energy line sensing area and outputs a current or voltage signal equivalent to the amount of the stored charge.
改变变频器的输出电压或输出电流有二种不同的方法,即PAM脉冲幅值调制控制和PW M脉冲宽度调制控。
Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.
若考虑伺服放大器效率及电源功率等因素,伺服放大器电源电压应取额定输出电流所对应的伺服放大器输出电压的3倍左右为宜。
If the efficiency of servo amplifier is considered, it is practicable that the power supply voltage is about 3 times as large as the servo amplifier output voltage corresponding to rated current.
通过两输出电容电压的偏差改变电流参考给定来实现整流器输出中点平衡。
The problem of neutral-point balance is resolved by changing the amplitude of current reference according to the voltage error of two capacitors.
微处理器cpu的引入,实现对输出电流、输出电压的数字化控制。
Thanks to the introduction of CPU, the digitized control of output voltage and circuit is achieved.
测定泵的输入电流、电压、转速、输出流量、输出压力、泵效率等参数,通过回归推断各参数的相关特性。
The input electric current, voltage, rotary speed, output flux and output pressure of the pump were tested. The regression relation of these parameters was deduced.
电阻显著减小了输出电流能力和电压输出随低电阻负载的波动。
This resistor significantly reduces current-output capability and the output-voltage swing with low-resistance loads.
分析得到开路故障不会影响系统输出电压,但会明显影响单逆变器模块电感电流和输出电流。
The result is that open circuit fault does not affect output voltage of the system, but it apparently affects inductance current and output current of single module inverter.
通过TL494自动调节PWM输出控制励磁电流,达到稳定发电机输出电压、输出电流和限流充电的目的。
The output of PWM(pulse width modulation)was automatically adjusted by TL494 to control the field current of the generator, which accomplished stabilizing output v.
该方案采用电感电流和输出电压瞬时值双环控制,以提高输出稳定性和动态响应。
To improve the steady state operation and dynamic response, a dual-loop control strategy which incorporates the inductor current and the instantaneous output voltage has been used.
微波治疗仪中微波由磁控管产生,通过调节磁控管的工作电压和电流来控制微波的输出以及输出功率的大小。
Microwave is produced by magnetron in the microwave hyperthermia apparatus. The user can control the power output of microwave.
如果观察输入和输出最大箝压电流额定值IIK和IOK,会发现输入和输出电压额定值VI和VO已经可能超过。
The input and output voltage ratings, VI and vo, may be exceeded if the input and output maximum clamp-current ratings, IIK and IOK, are observed.
这种输出特性还便于AD590实现多路复用:输出电流可以通过一个CMOS多路复用器切换,或者电源电压可以通过一个逻辑门输出切换。
The output characteristics also make the AD590 easy to multiplex: the current can be switched by a CMOS multiplexer or the supply voltage can be switched by a logic gate output.
其次,本文采用直流电压外环、电流内环的双闭环控制方法,既保证了逆变器输出的静态误差为零,又保证了逆变器良好的输出波形。
Secondly, the DC voltage loop and inner current closed-loop control method, both to ensure zero static error of the inverter output, but also to ensure that the inverter output waveform.
一个稳压电源输出电压和最大输出电流决定于所选三端稳压器。
A manostat output voltage and maximum output current depends on the selected three end stabilizer.
通过这种设计方法,可使变换器在一定输出电压范围内平均电流应力最小,并且使变换器在一定输出电压范围内基本实现软开关。
Average current stress is minimized in a range of output voltage, and the converter can achieve ZVS in the range of output voltage.
反馈元件的另一端与纯输出端相连为电压反馈,若与纯输出端相连为电流反馈。
It is voltage feedback if the other point of feedback component connected with pure output, otherwise, it is current feedback.
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.
分析了变频器主功率器件IGBT的死区时间对其输出电压、输出电流的影响。
The influence of dead time of power device IGBT on inverter's output current and output voltage is discussed.
基于MA TLAB软件,仿真研究了谐波源输入电流、输出电压及输出电流的谐波特性,为矿井滤波装置的设计提供了理论基础。
Based on the MATLAB software, the harmonic characteristics of input current, output voltage and output current are simulated. Accordingly these results provide a theoretic basis for filter design.
高温材料,相控阵传感器,低电流的要求较稳定的输入电压,环境温度,或输出频率范围的输出信号。
The high temperature materials, phased array sensor, and low current requirements stabilize the output signals over a wide range of input voltage, ambient temperature, or output frequencies.
其输出电流可高达10000A,输出电压可高达1000V。
This reaches 10000A output current and 1000V output voltage.
从逆变器等效输出阻抗的角度,对基于输出电压和滤波电感电流双闭环瞬时反馈控制技术的逆变器并联系统的环流特性进行了研究。
Output characteristic is one of the most important characteristics of voltage source inverter, which is determined by the equivalent output impedance of the inverter.
电流镜电路可被配置为响应于提 供给内部节点的上拉电流将输出节点上拉到输出供电电压。
The current mirror circuit may be configured to pull-up an output node to the output supply voltage in response to the pull-up current provided to the internal node.
两线串行接口,实现输出会被强制平仓,调整和上升和下降,在可编程的摆率与测序的延迟时间。 输入和输出电压,以及输入和输出电流和温度是可读的。
The two-wire serial interface enables outputs to be margined, tuned and ramped up and down at programmable slew rates with sequenced delay times.
此外,为了消除电网电压畸变或扰动对逆变器输出电流的影响,系统中引入了电网电压前馈解耦控制,改善了系统输出电流的质量。
Besides, in order to eliminate the effect of grid voltage distortion or disturbance on output current, decoupling control is employed to further improve the quality of output current.
监测各直流馈电输出的电压、电流,各馈电输出开关状态、熔断器状态和防雷器状态,当发生异常情况时发出声光报警;
Monitor every feed-voltage and feed-current of DC output, every output state of switch, and state of fuse and lightning arrester. Under abnormal condition, monitor produces aural and visual alarm.
应用推荐