设有过电流保护装置，保护可靠。
Over-current protection device, ensuring reliable protection.
过电流保护装置：试样击穿时在0.1S内切断电源。
Over current protection device: when the sample breakdown in the 0.1s cut off the power.
过电流保护装置在电力系统是必不可少的，限制了威胁人类生命和财产损失。
Overcurrent protection devices are essential in electrical systems to limit threats to human life and property damage.
通过分析电流保护的特征，设计了一种新型的采用PL C 为核心的电流保护装置。
This paper introduces a new current protective device based on PLC by analysis the character of the current protective.
主要介绍对供电系统中过电流保护装置灵敏度的要求，以及提高过电流保护装置灵敏度的措施。
The article introduces demands for sensitivity of the over-current protection in power network and also deals with the measurements to improve the sensitivity.
最大电流恒定及截止式电路保护装置，免除故障手机线路板进一步损坏。
Protection devices of maximum current steady and cut-off electric circuit avoid further damage of failure phone circuit board.
过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
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.
文中详细论述了剩余电流动作保护装置的参数选用，安装要求，低压电网接地方式及安装施工要求等。
This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
实验结果表明，动作时间及电流动作值精度在2%以内，保护装置运行稳定可靠。
Test results show that time duration and current operating value precision are less than 2%, and the functions of the protection device are reliable.
目前，该方法已成功应用于WXH- 803数字式光纤电流差动保护装置。
At present, the proposed method has been successfully applied in WXH-803 digital optical fiber current differential protective device.
理论及实例分析表明，通信系统的主—从时钟方式是电流差动保护装置在复用数字通信系统时正确工作的理想方式。
It is shown by theory and case study that the master - slave clock mode in a com munication system is ideal for proper functions of the current differential protection.
在区内故障时可靠动作，快速切除故障。目前，该方法已成功应用于基于32位DSP的数字式光纤电流差动保护装置。
It ensures both sensitivity for internal faults and reliability for external faults, which is successfully applied in digital fiber current differential protection with 32 - bit DSP.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
Aim at an-arc suppression reactor earthing power system, we design a suit of microcomputer system for compensating single-phase earthing current and selecting line.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
Aim at an-arc suppression reactor earthing power system, a suit of microcomputer system for compensating single-phase earthing current and selecting line was designed.
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.
给出了选择合适的保护装置和在新建系统中选择电流互感器的一些原则。
At last the article gives some principles to choose right current protection and current Transformor in new system.
差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
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.
对于后备保护装置防止高阻抗接地故障，将配置一只双极方向过电流继电器，同瞬时跳闸附件的时间成反比。
For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.
基于对运行电流的各相序分量的分析，以微机构成监测保护装置，该装置功能强、成本低、可靠性高。
The monitor and protection device is made up of microprocessor and features stronger function, low cost and higher reliability.
在高温、高电流运行的情况下，单相电机都受到一个内置式、自动重置热过载保护装置的保护。
Single phase motors are protected against both high operating temperatures and high current by a built in, automatically resetting thermal overload.
为彻底解决电流互感器饱和对母线保护影响，开发了基于数字式光电互感器的数字式母线保护装置。
To avoid its influence on bus protection, the bus protection device with digital optical current transducer is developed.
电力系统继电保护装置的动作正确性在很大程度上取决于故障电流转变的准确性。
The correct operation of relay protections largely depends on the correct detection of fault current in power system.
差动继电器作为保护装置，差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
Differential relay a differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
电磁式电流互感器在电力系统故障情况下可能发生饱和，常导致继电保护装置误动或拒动。
The saturation of magnetic current transformers, occurred during a fault on the power system, will lead to mal-operation or refused operation of protection relay.
该保护装置自具电源，基于热量累积原理实现快速高精度相电流反时限保护方法，实现对相电流和零序电流三段式保护。
The power of the protector is supplied by itself from the ct. Based on thermal cumulate principles, a rapid and high precision inverse-time phase-sequence over-current protection is implemented.
对于电流纵差保护在应用中会遇到的几个主要问题，结合光差保护现场的一些实际工作，以RCS-931 保护装置为例进行了分析。
Several questions are discussed in applying the digital phase segregated current differential protection based on RCS-931, and debug the equipment in worksite.
对该方案的同步采样试验结果和所开发的基于GPS的电流差动保护装置的动模试验结果进行了介绍和分析。
The sampling test results of the proposed scheme are presented and analyzed. The dynam IC simulation test results for the developed GPS based current differential relay are also introduced.
对该方案的同步采样试验结果和所开发的基于GPS的电流差动保护装置的动模试验结果进行了介绍和分析。
The sampling test results of the proposed scheme are presented and analyzed. The dynam IC simulation test results for the developed GPS based current differential relay are also introduced.
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