| 1. | What is the likely severity of the transient impulse current 瞬态脉冲电流的强度有多大? |
| 2. | Standard impulse current 标准冲击电流 |
| 3. | The first is to fix and debug the impulse current generator and fix kinds of channel models of lightning current by which to generate artificial lightning current 论文主要分为三个部分。第一部分论述安装、维修、调试冲击电流发生器,制作各种雷电流通道模型。 |
| 4. | Effects of current passing through the human body . part 2 : special aspects . chapter 4 : effects of alternating current with frequencies above 100 hz . chapter 5 : effects of special waveforms of current . chapter 6 : effects of unidirectional single impulse currents of short duration 通过人体的电流的效应.第2部分:特殊信号形式.第4章:频率在100hz以上的交流电的效应.第5章:特殊波形电流的效应.第6章:短时间单向脉冲电流效应 |
| 5. | Among the modern industrial control fields , the research of ac motor start control is an important task . ac motor soft starter , with its soft starting , small impulse current , no contacts , and energy saving , has gained widely use in electric transmission 在现代工业控制领域中,交流电动机的起动控制一直是个非常重要的研究课题,而交流电动机软起动器以其起动平稳、起动冲击电流小、无触点、节能等优势,在电气传动中得到了广泛的应用。 |
| 6. | It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth . in the moment of shutting the power it produce the volute alternating electromagnetic field . from the abnormity of measuring the attenuation character of the second induction electromagnetic field , which produced by underground medium with time change , the conductive capacity and the position of the underground non - homogeneous substance can be analyzed 瞬变电磁法( transientelectromagneticmethod )是一种时间域的电磁勘探方法,利用阶跃波或其它脉冲电流场源激励,在大地产生过渡过程场,断电瞬间在大地中形成涡旋交变电磁场,测量这种由地下介质产生的二次感应电磁场随时间变化的衰减特性,从测量得到的异常分析出地下不均匀体的导电性能和位置,从而达到解决地质问题的目的。 |
| 7. | Taking the impulse current generated system ( icgs ) as an example , the typical structure of the industrial control system is introduced and the technical measures for lightning protection are put forward based the structure and the approach of the lightning damage , so as to ensure the safe operation of industrial control system and avoid electromagnetic pulse jamming 摘要以icgs雷电冲击试验平台为例介绍了工业控制系统的典型结构,根据其结构的电气特点及雷电造成危害的可能途径,对工业控制系统的雷电防护提出全面具体的技术措施,从而保证工业控制系统正常安全的运行,免受电磁脉冲干扰的危害。 |