pulse voltage

These reasearch results will greatly promote advancement of theory of aging and breakdown under such pulse condition. As a result, frequency control technique can be widely used. A novel PD signal measurement system and statistic analysis software is presented under square wave pulse voltage.

通过这些研究，将极大地促进变频条件下绝缘老化和击穿理论的发展，使变频调速技术应用前景更加广泛。设计了一种新的脉冲电压下局部放电测量系统和统计分析软件。

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Welding parameters such as angle of bending tip, pulse voltage, wire feed rate, pulse mode, size of groove and welding speed can affect the appearance of weld.

导电嘴弯曲角度、送丝速度、峰值电压、协同模式、焊接速度和坡口尺寸均会对窄间隙焊缝成形产生重要影响。

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The device consists of pulse control circuit, optical coupling isolation, MOSFET driver, waveform control unit, pulse voltage regulator modules, those are implemented based on CPLD and MOSFET.

以CPLD、MOSFET等为主要芯片设计了脉冲控制电路、光耦隔离和MOSFET驱动电路、波形调节单元、脉冲电压调节单元等，获得了符合加工要求的输出脉冲波形。

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Characteristics of the Streamer Discharge in Water under Positive Pulse Voltage

正脉冲电压下水中流注放电特性的研究

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Analysis and Waveform Reconstruction of Nanosecond Pulse Voltage Divider Measurement System

纳秒脉冲电容分压器测量系统分析及波形重建

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Power devices of inverter must be controlled in the zero level of DC pulse voltage. It not only meets certain switching rule, but also changes switching state in order to realize zero voltage switching.

逆变器功率管为实现零电压开关，除了要满足一定的开关规律外，还必须控制在直流脉冲波形的过零处改变开关状态。

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Comparing the test results of working frequency interflow high voltage and monopolar pulse high voltage, showed that highest removal efficiency was gained with ambipolar pulse voltage;

与工频交流高压、单极性脉冲高压的试验结果比较表明，双极性脉冲高压取得了最高的降解效果；

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A pulse sharpening circuit with a high voltage and high frequency power supply is designed according to the theory of magnetic pulse compression, which is applied to a pulse power supply for a plasmas generator.

为研制用于等离子体发生器的高压高频脉冲电源，根据磁脉冲压缩网络的理论设计了一套脉冲陡化电路。

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The analyses show that overvoltage is a function of the rise time of the converter output pulse and the lengths of the traction motor cables, and that its magnitude can be as large as 1.9 times of the pulse voltage.

研究结果表明，变频牵引电机端子过电压由脉冲上升沿时间和电缆长度共同决定，其幅值最大可达脉冲电压的1.9倍。

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Mutual effect of DeSO_2/ DeNO_x and removal of fly ash from simulated flue gas, which was made by combining SO_2 NO_x and fly ash with air, was studied by utilizing high voltage positive pulse corona produced by nanosecond pulse voltage generator.

采用SO2、NO和飞灰与空气混合而成的模拟烟气和纳秒级脉冲电源，研究高压正脉冲电晕脱硫脱硝和除尘之间的相互影响关系。

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A high voltage regulator used for long pulse high power microwave source

用于长脉冲大功率微波系统的高压调制电源

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It has functions of dynamic power management ( DPM), depleted battery detection and pulse width modulator ( PWM) to accurately control battery charge current and voltage.

它具有动态电源管理（DPM）、利用脉宽调制控制（PWM）充电电流和电压、耗尽电池检测等功能。

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The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.

选择了反激式开关电源作为高压电源的主电路，并以555脉冲控制电路和反激式驱动电路作为辅助电路。

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According to the improved pulse compensation circuit, the relation between pulse compensation and crossover frequency of the voltage loop is analyzed, and the parameters of the voltage loop are optimized.

在优化的脉动补偿环节的基础上，分析了脉动补偿和电压环穿越频率的关系，对电压环部分的参数作了优化。

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The square triple-pulses generator has an output voltage up to 250 kV, a pulsed current of 10 kA, pulse power of 2.5 GW, a repetition rate of 1 MHz, a pulse risetime of 40 ns, and a pulse flat top of 50 ns.

方波三脉冲源输出指标达到了电压250kV，脉冲电流10kA，峰值功率2.5GW，重复率1MHz，脉冲上升时间约40ns，脉冲平顶宽度50ns。

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The Difference of TDDB under Constant Voltage Stress and Pulse Voltage Stress

脉冲和直流应力下栅氧化膜击穿特性的差别

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This paper discusses the difference of TDDB ( Time Dependence Dielectric Break down) under constant voltage and pulse voltage stress.

本文讨论了在直流电压应力和脉冲电压应力作用下栅氧化膜击穿寿命的差别，脉冲应力下栅氧化膜击穿寿命大于直流电压下的击穿。

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Research on motor terminal over-voltage caused by high-frequency PWM pulse

高频PWM脉冲波传输引起电机端子过电压的研究

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The peak of pulse voltage decreases sharply at first, and then slowly, but at last increases at the tail of the discharge wire.

脉冲电压峰值开始衰减较快，然后衰减趋于平缓，在放电线末端电压峰值又重新升高。

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The high voltage direct current charge system employs the mode of the AC alternate voltage charging; the temporary energy storage and primary pulse generating system consist of the resonance circuit and the pulse transformer; the 3-stage magnetic pulse compression network is adopted as the pulse compression link.

其中，高压直流充电环节采用交流调压的充电方式；中间储能脉冲形成环节由谐振倍压电路及脉冲变压器组成；采用三级磁脉冲压缩网络作为脉冲压缩环节。

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