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- feedback voltage source 反馈电压源
- This paper proposes a novel control strategy based on a new current feedback for grid-connected voltage source inverters (VSI) with an LCL-filter. 针对LCL滤波的并网逆变器电流控制时存在的系统稳定性和稳态误差与谐波失真等问题,提出了一种新的电流反馈控制技术。
- The PWM voltage source inverter by current control is used in this system. 在此控制系统中,采用了电流控制PWM电压源逆变器环节。
- This will connect the ammeter to pin 1 and the voltage source to pins 2 and 3. 这样即把安培表连接到了管脚1,将电压源连接到了管脚2和3。
- Flow-through cell which suited to oscillographic analysis is designed.New technique with feedback voltage is first presented. 设计了适用于示波分析的流通池,提出电压反馈的示波新技术,研究了新方法的重现性、检测限及影响去极剂峰高的各种因素。
- The new topology combines a voltage source inverter (VSI) and a DC/DC circuit. 新型正交可控电抗器在控制等效电抗的同时消除工作绕组输出电流中的谐波成分。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
- The theory of PWM is used in the system, and single of PWM is offered by controller UC3825.The feedback voltage and current achieved from output is used to control the change of the output. 系统主电路逆变部分采用了脉宽调制技术(PWM),PWM信号由集成控制器UC3825产生,从输出端实时采样电压、电流反馈信号,以控制输出电压和电流的变化。
- Resistors connected in series across a voltage source,used to obtain a desired fraction of the voltage. 通过电压电源的成系列的电阻,常用于获得电压中渴望得到的部分。
- In order to improve the precision,a microprocessor is used to modulate the duty ratio of PWM in PID regulation according to the deviation between the expected value and the feedback voltage. 本设计采用电压反馈,根据期望值和反馈值的偏差对PWM的占空比进行PID调节,以提高稳压电源的精度。
- DC side is voltage source, or a large capacitance can be used as voltage source. 直流侧为电压源,或并有大电容,相当于电压源。
- In the foregoing example, the voltage source is nonideal and hence presents no difficulty. 在上面的例子中,电压源是非理想的,所以没有发现什么困难。
- In this technique two cells as nearly identical as possible are coupled together with a common applied voltage source. 这时,把两个尽可能一样的电池和一个共同的外加电源相连。
- Resistors connected in series across a voltage source; used to obtain a desired fraction of the voltage. 通过电压电源的成系列的电阻;常用于获得电压中渴望得到的部分。
- And a trapezoidal pulse voltage source with the pulse width nearly equal to the line delay. 因负载端去耦合电容含线头电感所产生之效应。
- Any external shunt resistance across the voltage source will attenuate the measured voltage, as shown in Figure 2-3. 跨接在电压源上的任何外部分流电阻都会使测量的电压衰减,如图2-3所示。
- To determine if this is the case, first measure a low impedance voltage source through the channel. 为了确定是否发生了这种情况,可以首先通过该通道测量一个较低阻抗的电压源。
- The cycloconverter station can be considered as a harmonic source with characters of voltage source. 交交变频换流站相对于分频侧网络是一个电压源性质的谐波源。
- A voltage source of even exponential decaying pulse is applied to a loaded transmission line. 以并联电容、电导及串联电感、电阻二埠电路模型,模拟传输线沿线电压电流之频域及时域响应。
- Usually, this method requires two instruments: a voltage source and a picoammeter or electrometer. 通常,这种方法需要使用两台仪器:一台电压源和一台皮安计或静电计。