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电压输出波形     
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  output voltage wave
     The article points out that an output Voltage wave with small high-order harmonic compoents can be obtained by means of controlling thyristors with programmable and erasable memory, to realize frequency modulated velocity regulation of electric cars. With independent frequency control and voltage control the load characteristics of the car can be realized by the load controllers. All these are energy saving measures.
     本文提出用可编程可擦除存储器控制可控硅实现变频调速,可获得高次谐波分量小的电压输出波形,此外采用独立的频率与电压控制,并采用负荷控制器实现电机车负载特性,文章提出的方案已由实验加以实现.
短句来源
  an output voltage wave
     The article points out that an output Voltage wave with small high-order harmonic compoents can be obtained by means of controlling thyristors with programmable and erasable memory, to realize frequency modulated velocity regulation of electric cars. With independent frequency control and voltage control the load characteristics of the car can be realized by the load controllers. All these are energy saving measures.
     本文提出用可编程可擦除存储器控制可控硅实现变频调速,可获得高次谐波分量小的电压输出波形,此外采用独立的频率与电压控制,并采用负荷控制器实现电机车负载特性,文章提出的方案已由实验加以实现.
短句来源
  that an output voltage wave
     The article points out that an output Voltage wave with small high-order harmonic compoents can be obtained by means of controlling thyristors with programmable and erasable memory, to realize frequency modulated velocity regulation of electric cars. With independent frequency control and voltage control the load characteristics of the car can be realized by the load controllers. All these are energy saving measures.
     本文提出用可编程可擦除存储器控制可控硅实现变频调速,可获得高次谐波分量小的电压输出波形,此外采用独立的频率与电压控制,并采用负荷控制器实现电机车负载特性,文章提出的方案已由实验加以实现.
短句来源
  output wave form
     An algorithm and practical output wave form were given.
     给出了一个具体的算法和实现后的电压输出波形
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      output wave form
    Color online Expeimentally observed output wave form for 1D NLTL.
          
    Figures 6a and 6b show the effect of a 600 resistor on the driver-output wave form.
          
    To observe Triggering and working of a bistable multivibrator circuit and observe its output wave form on a CRO 11.
          
    This is because, at higher carrier frequencies, the output wave form more closely approximates a pure sine wave.
          
    The input and output wave form with 1nF load capacitance are shown in Figure 24b.
          
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    The article points out that an output Voltage wave with small high-order harmonic compoents can be obtained by means of controlling thyristors with programmable and erasable memory, to realize frequency modulated velocity regulation of electric cars. With independent frequency control and voltage control the load characteristics of the car can be realized by the load controllers. All these are energy saving measures. Experiments have confirmed the effectiveness of the scheme suggested.

    本文提出用可编程可擦除存储器控制可控硅实现变频调速,可获得高次谐波分量小的电压输出波形,此外采用独立的频率与电压控制,并采用负荷控制器实现电机车负载特性,文章提出的方案已由实验加以实现.

    This paper discusses the main circuit fault character of the power electronic device and explains that fast and slow faults in the power electronic circuit must be treated differently. Using circuit simulation approach, the single component open fault of the gate turn off (GTO) thyristor circuit of ASVG (advanccd static var generator) was studied. When an output voltage waveform is divided into four sections in one period, the fault feature can be found. The pattern recognition of voltage waveform of the...

    This paper discusses the main circuit fault character of the power electronic device and explains that fast and slow faults in the power electronic circuit must be treated differently. Using circuit simulation approach, the single component open fault of the gate turn off (GTO) thyristor circuit of ASVG (advanccd static var generator) was studied. When an output voltage waveform is divided into four sections in one period, the fault feature can be found. The pattern recognition of voltage waveform of the main circuit of ASVG can correctly distinguish the damage component. A new on line diagnosis scheme for power electronic circuits is provided.

    根据电力电子装置的主回路故障特点,提出了电力电子电路有突变故障和缓变故障的区分,归纳了处理故障的三种方法,确定了从设备输出端采集三相电压电流信号的基本方案。对新型无功发生器(ASVG)的主回路进行了仿真研究,无故障稳态的仿真结果与实测波形是一致的,说明了仿真计算的正确性。单个可关断可控硅(GTO)元件开路故障的仿真结果证明了对一个周期主回路电压输出波形分区,可以找到相应的故障特征。因此,从输出电压信号就可以实现对故障元件的准确定位,为电力电子装置的在线故障诊断提供了一种新方法。

    This paper presents a single ended,computer operated inverter power source which is specially used for welding studs in the car body and can provide an output of an amplitude modulation current waveform.In addition,a figure of typical waveform of output current and voltage of welding power source and anti interference methods in the power source are also introduced here.

    设计了轿车车身螺柱焊专用微机控制单端式逆变电源,该电源能够输出所需调幅电流波形,并给了焊机的典型电流电压输出波形图,同时介绍了该电源的抗干扰措施。

     
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