您要查找的是不是：
- DC system earthing fault 直流接地
- A new method of detecting earthing fault in DC system 一种直流系统接地故障检测的新方法
- The content about the inspection of DC system of substation is researched in this paper,including the study of on-line inspection to storage cells and the study of earthing fault lookup. 本文主要讨论了变电站直流系统监控方面的内容，包括了蓄电池组的在线检测的研究和接地故障选线装置的研究两个方面。
- Relationship between earth mode surge and frequency on power system earth fault 电力系统接地短路故障中零模分量的依频关系分析
- DC system earthing 直流系统接地
- Application of microprocessor-based insulation monitoring device in DC system and study of detection on earthed fault point 直流系统微机绝缘监测装置的应用与接地故障点检测探讨
- The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when three phase unbalanced fault occurs in AC system. 当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
- Deals with the detailed model of DC system and presents a fast algorithm to calculate the critical fault-clearing time of AC/DC power system using high order Taylor series expansion technique to simulate the fault trajectory of AC/DC power system. 考虑DC系统的详细模型，在应用高阶Taylor级数展开技术模拟交直流联合系统持续故障轨线的基础上，提出了一种快速求取交直流联合系统临界切除时间的方法。
- The principle of MLN series devices for detecting earth fault line in neutral ungrounded power system[J].Information on Electric Power,1994,2(2):7-11. MLN系列小电流接地微机选线装置动作原理[J].;电力情报;1994;2(2):7-11
- Implementation way of system earthing and protective earthing of transformer are suggested. 提出了作者认为变压器的保护接地、工作接地应该的做法。
- By introducing one point earthing leading to breaker tripping in DC system, this paper analyses the reasons that breaker may trip when one point earthed in DC system. 通过对直流系统负极一点接地引起开关跳闸的情况介绍,分析了直流系统在一点接地时可能出现的开关跳闸原因,并提出了相应的防范措施和对策。
- The phenomenon of thermal power plant system earthing as well as PT disconnection is introduced, and the difference between them is indicated. 介绍了热电厂系统接地和PT断线的现象,指出了两种现象的区别,为电厂运行操作人员提供了系统接地和PT断线故障情况下的判断依据。
- Principle of MLN series devices for detecting earth fault line in neutral ungrounded power system[J].Information on electric power,1994,2(2):7-11(in Chinese). MLN系列小电流接地微机选线装置动作原理[J].;电力情报;1994;2(2):7-11
- The Manage Center of Electric Reliability of China. Statistical Evaluation Regulations of DC System. 中国电力可靠性管理中心。直流输电系统可靠统计评价规程。
- The single-phase earth fault is the undercurrent earth system has the probability highest breakdown type, approximately composes all breakdowns number of times 80%. 单相接地故障是小电流接地系统发生几率最高的故障类型，约占所有故障次数的80%25。
- The DC system is normally supplied from a battery charger system, which is supplied from the low voltage AC system. 直流系统通常由蓄电池充电系统供电,蓄电池充电系统由低压交流系统供电。
- By employing the DC earthed protection theory,this paper analyzes the characteristics of the converter transformer earth fault and the influence of converter commutation. 在简要介绍直流接地过流保护原理的基础上,分析了换流变阀侧接地故障的故障特征以及换流阀换相过程对故障电流的影响。
- The battery chargers maintain a charge on the station batteries, which supply power to the DC system if the AC system fails. 蓄电池充电器持续对变电站蓄电池充电。若交流系统发生故障,就由直流系统供电。
- To meet the demand of equivalent anlysis of AC/DC hybrid power grid involving muiti-infeed DC system, a multi-terminal equivalent method is proposed. 为满足含多馈入直流的交直流电力系统等值分析需要，提出了多端等值法。
- Comparing with 50Hz AC system and DC system, we can observe that the use of FFTS will bring a significant capital saving. 最后，对在我国应用分频输电系统的前景及经济效益进行了分析，结果表 明该系统的应用可以节约大量资金。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
