In the power system, the status of electrical equipment directly related to the power system security.
在电力系统中，电气设备的状态直接关系到电力系统的安全。
Hence it is a very important question to consider power system security with its economy synthetically.
因此如何将系统的安全性与经济性很好的综合考虑起来就是一个非常重要的问题。
Power system security and stability analysis is necessary to the security and stability operation of power systems.
电力系统安全稳定分析是保障电网安全稳定运行的重要环节。
In regional electricity market, the procurement of zonal reserve deeply effects the power system security and economic.
分区备用可以保证区域电力市场安全经济运行。
How to ensure power system security, economic and reliable manner, has always been committed to the power workers study.
如何保证电力系统安全、经济和可靠地运行，一直是电力工作者们致力研究的课题。
The realization of power system security and stability control is mainly developing new-style stability control equipment.
电力系统的安全稳定控制的实现主要是开发新型的稳定控制装置。
The speed, sensitivity and reliability of transformer protection improve with the higher requirement of the power system security.
随着电网对安全性要求的提高，对电力变压器保护的速动性、灵敏性、可靠性要求也越来越高。
We proposed a new methed to measure the voltage stability at the key node, which was based on the WAMS to increase power system security.
为了提高电力系统的安全稳定运行，提出了一种基于广域测量系统(WAMS)的电力系统关键节点电压稳定在线预测方法。
Using the software EUROSTAG, overspeed protection control model was set up and the effect of OPC on power system security and stability was researched.
应用仿真软件EUROSTAG的模块自定义功能建立了带有超速保护的调速系统模型，通过仿真研究了超速保护控制对电力系统安全稳定的影响。
When cross-region power network in our country is accomplished, cascading failures will possibly become a new question that endangers power system security.
随着我国跨区互联电网的建成，连锁故障可能成为危及我国电网安全的新问题。
With wide area dynamic information, the fast and effective control by inter-connected power system security, stability and emergency control system becomes possible.
在广域动态信息条件下，使互联电网的安全稳定紧急控制系统的快速、有效控制的实际应用成为可能。
Large power transformer is one of the most important and expensive equipment in the power system, its operation statements has a direct impact on the power system security.
大型电力变压器是电力系统最重要和最昂贵的设备之一，其运行状态直接影响系统的安全性。
Low frequency oscillation is harmful to power system security and stability, and as one of solutions power system stabilizer (PSS) can effectively restrain such a phenomena.
低频振荡是一种不利于电力系统安全和稳定运行的现象，而电力系统稳定器(PSS)可以有效抑制低频振荡。
As an essential part in the power system security analysis, the whole process of contingency selection becomes more sensible by taking the probability aspect into consideration.
作为电力系统安全分析中的重要组成部分，偶然事故的选择由于在分析过程中加入了对事故发生率的考虑而变得更具有合理性。
Generation Shift Distribution Factors (GSDF) and Generalized Generation Distribution Factors (GGDF) are important sensitivity methods in power system security and contingency analysis.
发电转移分布因子(GSDF)和广义发电分布因子(GGDF)都是常用的灵敏度分析及安全评估工具。
It is researched whether if the security and stability performance of ultra high-voltage (UHV) grid could meet the requirements of power system security and stability criteria of China.
重点研究特高压同步电网是否能满足我国电力系统安全稳定性的标准要求。
Numerical result from IEEE-14 test system shows that the presented algorithm reflects the relationship of security and economy and is helpful to construct reasonable pricing system in power market.
在IEEE - 14测试系统的计算结果表明，算法反映了安全因素和经济因素的关系，有助于建立电力市场中合理的用户电价体系。
Power system state estimation is the core of electric energy management system and the bases of dispatch, control, security evaluation and so on.
电力系统状态估计是电力系统调度、控制、安全评估等方面的基础，也是电能管理系统的核心组成部分。
Accurate, reliable time is used widely in satellite, network security and time service for power system.
精确、可靠的时间在卫星、网络安全以及电力系统设备校时等领域有着广泛的应用。
The security of computer network has been the key factor of power system ' s proper operation.
计算机网络的安全性已成为电力系统正常运行的关键。
The operation and management level of electric system directly influences the security and economy of power plant operation and the competition capability in power generation market.
电气系统设备的运行管理水平将直接关系到发电厂运行的安全经济性，从而影响发电厂的市场竞争力。
For dependability, security of the power plant and transformer substation with DC system, offer effective measuring and maintenance means.
为发电厂和变电站直流系统的可靠性、安全性，提供有效的检测和维护的手段。
The winding deformation is one of the most familiar faults, it compromise the security of the power system severely.
绕组变形是变压器的最常见故障之一，严重威胁着电力系统的安全。
The running mode of neutral point of distribution network influences on security, economy and reliability of power system.
中性点运行方式关系到电力系统运行的安全性、经济性和可靠性。
Recently, the analysis of static security in relation to power system planning and on-line applications has become a subject of increased interest.
在电力系统规划设计和在线应用方面，静态安全分析已成为近年来深感兴趣的课题。
The research on the fault level of tie line is of significance for the security and stability evaluation of power system as well as the preventive control of transient stability.
研究联络线故障水平对电力系统暂态稳定性的影响，对于电力系统的安全稳定评估与校核，以及暂态稳定预防控制都有着重要意义。
To guarantee the security of power system data, it is imperative to satisfy the need to develop a fast and efficient file synchronizer.
随着电力系统备份数据量的增加，迫切需要开发高效、快速的文件同步程序来维护数据安全。
As the key apparatus in electric power system, the operating reliability of large power transformer has deep influences on security and stability of power systems.
大型电力变压器作为电力系统的枢纽设备，其运行可靠性直接关系到电力系统的安全与稳定。
As the key apparatus in electric power system, the operating reliability of large power transformer has deep influences on security and stability of power systems.
大型电力变压器作为电力系统的枢纽设备，其运行可靠性直接关系到电力系统的安全与稳定。
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