而在主破裂阶段,积累电荷的急速运动形成瞬间电流,激发了脉冲式的磁场异常。
While the magnetic pulses of shorter-period appeared at the last stage of the experiment, may be induced by instantaneous electric current of the accumulated charge during the cracking acceleration.
一种应用于电感电路,如马达的启动装置及方法,其可降低电感电路启动时所产生的瞬间电流。
A starting device and its method can be used in inductive circuit such as motor to decrease instantaneous current produced when inductive circuit being started.
启用软启动保护装置,避免瞬间电流对LED的冲击,有效保护LED,使用寿命达50000小时,且不计开关次数。
With protection of soft starting, which can avoid transient currents impact, and effectively protect LED. Using life over 50000 hours.
很幸运地,实验室将工作分配给了一位有能力的材料工程师,他把保险丝做了瞬间电流脉冲实验后,送去做了额外的分析。
Fortunately, the lab assigned the job to a very competent materials engineer who went the extra mile by analyzing the fuse after subjecting it to brief current pulses.
但是有一个故障:电流超限,电源板无法工作,造成饥饿的食客瞬间恐慌。
But there's a hitch: the electrical circuit has overloaded, and the power strip isn't working, causing momentary panic among the hungry diners.
这种强电流能在一瞬间摧毁变压器(像摧毁魁北克水电站的变压器那样)和断路器,同时还能通过弱化金属而腐蚀油气管线。
In an instant, the surges destroy transformers, like HydroQuebec's, and overwhelm circuit breakers. The surges also corrode pipelines by weakening away the metal.
但不断按喇叭时,若瞬间强电流通过阻抗依然能正常工作,所以会时好时坏。
But continuously press the speaker, if the moment strong current passed impedance can still regular work, quare will like bad.
其电弧稳定与否,主要取决于电流过零瞬间的电弧空间电离度、电极发射电子能力及再引燃电压的上升速度。
The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode.
系统能够自动判别试样击穿并采集击穿电压数据及泄露电流,同时能够在击穿的瞬间电压迅速降低自动归零。
The system can automatically determine the sample breakdown and collect the breakdown voltage data and leakage current, and can quickly reduce the automatic return to zero at the same time.
它是通过瞬间高能脉冲电流使粉末颗粒之间产生等离子放电,烧结制成高性能材料或制件。
It facilitates plasma discharge generated by transient high-energy pulse electric current among powder particles to prepare high-performance materials.
即使是低电压充放电,也可能产生大的瞬间充放电电流,这可能会导致电容器性能的损害,比如说短路或开路。
Low voltage charging or discharging may also cause deterioration of capacitor such as shorting and open due to sudden charging and discharging current.
如果这发生得过快或过于突然,则IGBT开关将由于导通瞬间的过度的电流和功率耗散而击穿。
If this happens too soon or too abruptly, the IGBT - switch will break down due to excess current and power dissipation at the moment of switch-on.
在焊接电流确定的条件下,引弧瞬间的焊机输出电压反映了焊接电缆长度、截面积以及地线连接情况等重要信息。
When welding current is fixed, some important information such as length and section area of welding cable, connection of ground wire can be shown by output voltage of instantaneous arc-striking.
体积小、自愈性好,电感量低,高频损耗小,过电流能力强,能承受瞬间大电流冲击。
Small size, good self-healing effect, low inductance, low loss at high frequency, strong over-current ability, and can withstand high current impulse.
本系统能够自动判别试样击穿并采集击穿电压数据及泄露电流,同时能够在击穿的瞬间电压迅速降低自动归零。
The system can automatically distinguish the sample breakdown and breakdown voltage andleakage current data acquisition, and can rapidly reduce auto zero at the moment of the voltage breakdown.
根据负荷电压和短路电流可知电池瞬间欧姆电阻,从而判断电池装配过程是否正常;三参数与电池容量均无明确关系。
Load voltage and short circuit current can be used to determine the batterys instantaneous ohm internal resistance and to judge whether the course of assembling batteries was normal.
针对三相短路电流产生的电动力进行分析,经过受力分析,瞬间较高的电动力对户外柱上真空断路器的影响很大。
The three-phase short circuit currents of bulk electric power system are very high, and the high currents do harm to the working of the system.
根据输出的电流及其积分电量可计算金属在气体中的瞬间及平均腐蚀速度。
Based on the cell current and its accumulated quantity the mean or instantaneous corrosion rates of metals in gases can be measured and recorded continuously.
传统的风力发电并网技术在并网瞬间会产生很大的冲击电流,严重威胁发电机及电力系统的安全。
Traditional control methods of wind power generation may produce high impact current at cutting-in moment, which threatens the safety of generator and power system.
方法:在人工唾液中体外模拟异种合金瞬间咬合接触时的回路,浸泡初记录各偶对的电位及15个瞬间接触电流值。
Methods The circuits of instantly different metallic contact were simulated in artificial saliva, and electrical potential of every couple and 15 currents of instant contact were measured.
晶闸管是瞬间工作,可采用小电流管,使成本降低。
Because the thyristors work instantaneously, low current thyristors are used, then cost is reduced.
讨论了电磁热裂纹止裂时脉冲放电瞬间的电流、温度和热应力的耦合关系。
The coupling of current, temperature and stress has been proposed in crack arresting by the electromagnetic heat effect at the moment when a pulse current is switched on.
利用小波变换检测突变信号的原理,可以在电力系统故障发生的瞬间快速检测出电流或电压突变信号。
According to the theory of testing abrupt signals with wavelet transformation, the abrupt signals of current and voltage can be quickly detected when power system faults occur.
得到电弧放电瞬间每一模型下的电流变化率和电弧电压。
Arc current reducing rate and arc voltage at the time of arc discharging are established for every mathematical model.
主要是泵的转速太高、介质粘度又太高这样就会造成泵阻力很大,电机的瞬间启动电流超过额定电流,造成电机过载;
Mainly is the pump speed is too high, medium and high viscosity resistance is very big, this will cause pump motor moment of starting current more than rated current, motor overload;
更令人惊讶的是工程师送去的经过瞬间过电流的保险丝。
Even more surprising were the photos the engineer took after subjecting the fuse to brief overcurrents.
对雷达产生浪涌信号的一个典型电路进行仿真,得出模拟电路产生浪涌的一个重要原因是晶体管的瞬间导通电流过大。
Based on the simulation research of the typical radar analog circuit, it is shown that the main reason of the emerging surge signal is the high transient current conducted in the transistor.
对雷达产生浪涌信号的一个典型电路进行仿真,得出模拟电路产生浪涌的一个重要原因是晶体管的瞬间导通电流过大。
Based on the simulation research of the typical radar analog circuit, it is shown that the main reason of the emerging surge signal is the high transient current conducted in the transistor.
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