分析了微机电动机保护装置在此次事故中的动作情况，并使用emtp仿真工具仿真电动机在自起动过程中的电流波形。
The operation condition of motor microcomputer-based protection was analyzed in this fault, and the current waveform in the course of starting was simulated using EMTP simulation tool.
本文着重介绍了用单相负荷电流检查零回路的新方法，并对这次事故情况进行了分析。
In this paper, a new method for checking the neutral circuit by using single phase load current is introduced. An analysis of this accident is presented.
采用基于UC 3846电流型控制芯片，简化了电流保护电路，避免了推挽变换器工作时磁芯偏磁导致的事故发生。
UC3846 of current mode control is used so that circuit for current limited function is removed and flux imbalance that can cause accident is been avoided.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电，必须加装剩余电流动作保护装置。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
中压电网不断扩大的同时，系统的单相接地电流也快速增加，发生故障时送电线路和变电站事故较多。
With expanding constantly on MV network, the current of the one-phase grounding increases constantly too, when one-phase grounding fault happens, there are more accidents in the lines and substations.
使用久后电缆线会发生硬化等不安全事故，机器所需的电流增加或电缆线到一定年限必须更换电缆线。
After using a long cable sclerosis unsafe incidents occur, the current required to increase the machine or cable to a certain number of years the cable must be replaced.
简述油浸式电流互感器内部质量问题，提出了防止油浸式电流互感器运行事故的对策。
This paper describes internal quality problems of the oil-immersed current transformer and puts forward strategies guarding against operating errors of the oil-immersed current transformer.
以一起变压器副边短路事故为例，分析了变压器副边短路过渡过程中产生过电流、过电压的危害性；介绍为避免类似事故发生应采取的防范措施。
The danger of overcurrent and overvoltage in the transient process of transformer's secondary short circuit is analyzed and countermeasures to avoid such accidents are introduced.
这是可能的，检查本线电流，电流值在事故，手术时间(最新的10倍)，定值等展出。
It is possible to check present line current, current value during accident, operation time (latest 10 times), setting value, etc. on display.
根据电动机首末端两侧电流波形及现场的实际情况，指出电流互感器饱和是导致这次事故的直接原因。
According to the current waveform and actual condition of the motor at two sides of the terminal, it is pointed out that the transformer saturation is the direct reason of causing this fault.
根据电动机首末端两侧电流波形及现场的实际情况，指出电流互感器饱和是导致这次事故的直接原因。
According to the current waveform and actual condition of the motor at two sides of the terminal, it is pointed out that the transformer saturation is the direct reason of causing this fault.
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