The paper analysed the causes that the heating pipe of the electric steam boiler was broken, amd put forward the design plan and executable ways that the protective system was installed on the boiler.
本文针对电热蒸气锅炉加热管烧坏的原因进行了分析，提出了在电热蒸汽锅炉上加装保护系统的设计方案及实施方法。
The incorrect reclose of line protective devices in electric power system will result in personal injuries and system accidents.
电网中运行的线路保护装置的重合闸误动作，将会引起人身以及电网事故。
The earth fault protection and protective electric devices of TT and TN system and the application conditions were analyzed.
分析了TT和TN系统的接地故障保护和保护电器及其应用条件。
The protective schemes of traction electric system should be reasonable, normal and accurate, which should satisfy the requirements of quick-break, reliability, selectivity, and sensitivity.
牵引供电系统继电保护配置必须合理、规范、准确，满足保护的速断性、可靠性、选择性、灵敏性的要求。
The communication system includes two communication channels for communication of protection and control information between two protective relays on a power line portion of an electric power system.
该通信系统包括在一个电力系统的电力线部分上用于在两个保护继电器之间交换保护和控制信息的两个通信信道。
How to detect the fault line quickly and accurately is an important issue in electric power system protective relaying.
如何准确地检测出故障线路一直是电力系统继电保护的重要研究课题。
How to detect the fault line quickly and accurately is an important issue in electric power system protective relaying.
如何准确地检测出故障线路一直是电力系统继电保护的重要研究课题。
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