The defects of the traditional methods of internal limiting surge current are pointed out.
指出了功耗大、二次浪涌和功能不动作是传统限制浪涌电流方法的缺陷。
To protect power switches, soft-starting circuit was designed to overcome the surge current.
同时采用软启动电路防止浪涌电流,保护功率开关管。
Restraining of the surge current of capacitors is an important problem in the designing of the TSC are suppression coil.
电容器涌入电流的抑制,是TSC式消弧线圈设计中要考虑的一个重要问题。
The limitations of the traditional methods of limiting surge current, such as bigger energy consumption, second surge current and function failure are pointed out.
指出了功耗大、二次浪涌和功能不动作是传统限制浪涌电流方法的缺陷。
The mathematical model of closing loop operation is established and a method for surge current calculation based on Thevenin s equivalent is proposed in this paper.
针对合环操作冲击电流可能越限的问题,提出一种基于戴维南等值的冲击电流计算方法。
Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metal oxide varistor is given.
最后计算了在交流电源中用氧化锌压敏电阻对浪涌进行限幅和泻流的一个实例。
He found that, by charging a capacitor to various voltages and discharging it by short-circuiting it with the fuse, he could create a controlled amount of surge current.
他发现通过电容充电到各种电压,用保险丝短路放电,可以形成一个可控的浪涌电流。
The difficulty and the method of implement pluggable technology will be introduced including the safety of laser, the surge current of plug and the safety of system bus.
介绍小封装光模块进行热插拔的技术难点及其解决方法和具体实现,主要包括热插拔时激光器的安全、热插拔时浪涌电流的抑制以及热插拔对系统总线干扰等问题。
The latter can be used to prevent the surge current or overload currents from the security zone transmission to the dangerous place to ensure the reliable isolation security.
后者采用能防止浪涌电流或过载电流从安全区传输到危险场所的高度可靠的隔离措施来保证安全。
Methods to measure the lightning surge current using a shunt with non-inductance resistors network. The experiments on the repetition, linear degree and the step response are carried out.
方法用无感电阻网络分流器测量雷电冲击电流,并进行测量重复性、线性度试验和阶跃波响应试验。
In the current surge of urbanisation and dam building, billions of tonnes of concrete have been poured onto farm fields and into rivers.
目前城市化进程汹涌、修筑水坝令数亿吨混凝土灌注到农场上、倾泻到江河里;
He explained: "The current proposals will see a proliferation of very large nuclear facilities built at a number of coastal locations vulnerable to rising sea levels, flooding and storm surge."
他解释道:“按照目前的规划,在沿海建造的大型核电站会越来越多,这些核电站容易受到海平面上升、洪水和风暴潮的袭击。”
So the current surge in commodity prices, at a time of spare economic capacity in the rich world, suggests one of two things is going on.
因此,这一次商品价格高涨,与此同时富裕国家生产能力又过剩,说明有两件事情中至少发生其一。
Exports to the West did not surge until 2000. The region's current-account surplus actually shrank between 1998 and 2001.
2000年前对西方的出口并没有飙升,事实上,98年- 2001年间该地区的现金账户盈余是在缩水的。
Massive and well-targeted fiscal stimulus is one option, he writes: the current "eco-points" subsidy scheme, which has led to a surge in purchases of energy-saving durable goods, is a good example.
大规模和设定好目标的财政刺激政策是一个选择,他写道:目前的“生态点”补贴计划,导致节能耐用品的购买激增,就是一个很好的例子。
This paper researches on three phase capacitor transients, presents a combined switch constructed of contactor and low current thyristors to realize non surge close and non arcing break.
对三相电容器的暂态过程进行了研究,提出采用接触器和小电流晶闸管组成混合开关,实现了合闸时无冲击电流及分断时无电弧。
It is necessary that drilling vessel is capable of standing still under the action of ocean current wave surge tropical storm and internal wave current in winter.
在冬季的洋流、涌浪以及热带风暴和内波流作用下钻井船有能力保持位置不动是很有必要的。
If the PF30 takes a hit from a power surge larger than it can safely handle, it immediately stops passing current to your equipment.
如果PF 30需要触及激增从权力大于它可以安全地处理,立即停止目前的传递到您的设备。
However, Applying a voltage step to a ceramic capacitor causes a large current surge that stores energy, in the inductances of the power leads.
然而,实际应用中的电压阶跃在陶瓷电容上可能产生较大的浪涌电流,并在电源电感中贮藏能量。
The current surge of Internet - enabled cell phones and personal digital assistants (PDAs) foreshadow what's to come.
上网手和个人数字助理(PDA)蓬勃兴起的现状预示示未来的趋势。
Can be seen that the current round of steel prices surge albeit marginally, but the rhythm frequently.
可以看出,此轮钢厂涨价潮虽然幅度不大,但节奏频繁。
The calculated results show that the line ZnO surge arrester can withstand the discharge current and the absorbed lightning energy.
分析表明,绕击时避雷器能够耐受雷电作用时的放电电流和吸收的雷电放电能量。
Resistance current measurement of zinc oxide surge arrestor (MOA) under operating voltage possesses important significance of reflecting the operation state of MOA and whether it incurred damping.
在运行电压下测量氧化锌避雷器的阻性电流,对于反映MOA是否受潮和其运行的状态具有重要意义。
Resistance current measurement of zinc oxide surge arrestor (MOA) under operating voltage possesses important significance of reflecting the operation state of MOA and whether it incurred damping.
在运行电压下测量氧化锌避雷器的阻性电流,对于反映MOA是否受潮和其运行的状态具有重要意义。
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