The protection of power system is quick detection and localization of fault in order to act rightly and clear out the fault.
电力系统的保护就是通过对故障进行快速的检测、定位，达到正确动作、消除故障的目的。
The Detecting Technique of Electrostatic Discharge is applied mainly in electrostatic hazard protection, fault diagnosis in high voltage power system.
静电放电探测技术是静电危害防护、高压电力故障诊断等领域的关键技术。
This paper describes . and compares three popularly used trouble locating methods of power lines, i. e. , protection action analysis, fault recorder analysis and lightning location system.
介绍了电力系统线路故障点判断常用的保护动作分析、故障录波器分析和雷电定位系统三种方法。
The scheme includes the transverse differential protection, the directional relay action on negative sequence power of fault component and the incomplete differential protection.
该方案包括了横差保护、故障分量负序功率方向保护和不完全纵差保护的综合应用。
The paper proposes a novel shunt reactors turn-to-turn fault protection that is based on negative-sequence power direction theory.
提出了基于负序功率方向的并联电抗器匝间故障保护原理。
Reasonable thermal structure designs, comprehensive and reliable hardware protection measures, with a power soft-start function and functions of software self-diagnostics and fault output latch.
散热结构设计合理，硬件保护措施可靠完善，具有电源软启动功能，软件对故障进行自诊断以及输出闭锁等功能。
Using data fusion technique to realize fault discrimination of transmission lines, this work tried to find a new approach of adaptive relay protection and intelligent fault diagnosis on power system.
本文探索性地应用多传感器数据融合技术解决输电线网的故障类型识别问题，力求寻找一条自适应继电保护和智能故障诊断的新途径。
The sensitivity of the proposed protection scheme is not impacted by the factors such as transition resistance, lightning stroke, fault type, load current and operating mode of power system.
该保护方案的灵敏度不受过渡电阻、雷击、故障类型、负荷电流、系统运行方式等因素的影响。
On August 6th 1988, in Guiyang Power System, a line fault was extended to a cascade shutdown accident because of the mal-operation of a busbar differential protection.
1988年8月6日，由于母线差动保护误动作使线路故障扩大，造成了贵阳电网瓦解的大面积停电事故。
Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive.
电力半导体器件故障电流(特别是短路电流)的确认与及时有效保护，对电力机车交流装置的可靠工作至关重要。
The relay protection and fault information system can provide highly detailed and abundant data of real-time or fault cases of the power grid.
继电保护故障信息处理系统能为电力运行提供非常详细和丰富的各种实时以及故障时的数据资料。
Therefore it can be widely applied to fault detection, protection for power system and active power filter.
因此，它可应用于电力系统故障检测、保护和电力有源滤波器谐波电流检测中。
It is of significance for the testing and action analysis of protection devices to reproduce the actual waveforms by use of fault record data of power system.
将电力故障录波数据重现为实际波形对于继电保护测试和保护动作行为分析等具有重要意义。
Its main switch element is the IPM (intelligent power model). Perfect protection and fault self-diagnosis are provided.
该变频器采用智能功率模块IPM作为主开关元件，具有完善的保护功能和故障自诊断功能。
Typical applications include motor control, load detection and management, power supplies, and overcurrent fault protection.
典型应用包括电动机控制、负载检测及管理、电源和过流保护。
Complete power protection by an on-line double conversion design incorporating an automatic static bypass from overload and fault conditions.
两次变换真在线式设计，配合静态旁路开关，具备完善的过载和故障保护功能。
According to features and requirements of modern district power grid, the development of software for graphic integrated fault analysis and relay protection test is researched.
从现代地区电网的特点和需求出发，研究了图形化综合故障分析与继电保护测试软件的开发。
The power supply has the functions of IGBT driver, over-voltage protection, over-current protection, over-heat protection and fault locking.
该电源采用了IGBT模块构成的半桥逆变电路，它具有IGBT驱动、过压、过流、过热保护及故障锁定功能。
The power fault recording data is the significant basis of fault analysis and protection action judgment in a power system.
电力系统故障录波数据是电力系统故障分析和保护动作判据的重要依据。
The SCADA system can provide switch and protection messages when the fault occurs in the power system.
SCADA系统在电网故障时可以提供开关信息和保护信息。
The ingredient-mixing process features dynamic rea1-time display, dynamic fault detection and automatic power failure protection.
配料过程具有动态实时显示、动态故障检测和停电自动保护等功能。
In high-middle voltage power system, the current setting of the charge-protection always bases on the fault current in the minimal operation mode, and the break should be snapped action.
在高中压系统，充电保护电流定值是按躲过最小运行方式故障电流整定，并要求瞬时动作；
The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
Relay protection is one of device to respond the fault and abnormal circulate situation of electric power system, to make the breaker action and to send out the signal.
继电保护装置是一种反应电力系统故障和不正常运行状念，并动作于断路器跳闸和发出信号的设备。
The clock signal provided by Global Positioning System(GPS)is widely used in electric power system for relay protection, SOE (Sequence of Events), fault locating, synchronous sampling and so on.
GPS同步时钟信号已在电力系统的继电保护、事件顺序记录、故障测距、同步采样等诸多领域获得重要运用。
This paper proposes a novel fault location method. By means of cluster analysis as well as graph theory, the power system is partitioned into several protection zones.
提出了一种新型的故障定位方法，即采用聚类分析最短距离法，并结合图论工具，对系统进行归类并划分保护区域。
A set of complex management software for fault analysis and protection setting calculation is developed, which can be used in various voltage levels of power networks.
研究开发了一套能广泛应用于各类电网的智能化故障分析和保护整定综合管理软件。
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.
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.
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。
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