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。
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。
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。
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。
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。
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。
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。
Based on security and stability evaluation of UHV power grid, the possibility and purpose of the measures are discussed to increase the system security level.
在总体评估特高压同步电网安全稳定性的基础上，探讨进一步利用新技术提高系统安全稳定水平的可能性及效果。
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。
Research and improve the performance of auxiliary power supply system to ensure stability, security, power train research and design staff is the main task.
研讨和完好辅帮供电体解机能，确保稳固、安齐的列车供电非研讨和设计己员从要的义务。
On the basis of that, linear state feedback control law is designed to ensure the stability and security of power system.
在此基础上，设计线性状态反馈控制规律，使得电力系统的运动状态保持稳定。
The secure operation of power system relates to static security and transient stability, and the transient stability is taken as an illustrative condition in this dissertation.
电力系统安全运行涉及静态安全性和暂态稳定性，本文以暂态稳定性为例进行了研究。
The conclusion provides academic bases to restrain LFO and SSO and is significant to the security and stability of power system.
其结论对系统中低频振荡和次同步振荡的抑制提供了理论依据，对系统的安全稳定运行有参考价值。
Through analysis of the stability of NanBian power supply system in a steel enterprise, under-frequency load-shedding plans and regional security and stability control plans are adopted in this paper.
本文通过对某钢铁企业南变电力系统的稳定性分析，给出了低频减载和区域安全稳定控制两种方案。
The management mode can guarantee security and stability of power system efficiently, but its economy is rigescent and unoptimizable.
这种管理模式能够较高效地保障系统的安全稳定性，然而对系统经济性的追求具有僵化和非最优的不足。
As the hub of power system equipment, power transformer's safety relates to security and stability of power system equipment.
电力变压器作为电力系统的枢纽设备，其安全可靠的运行关系到电力系统的安全与稳定。
Power system reactive distributing influence on the system security stability and economy directly.
系统无功分布的合理与否直接影响电力系统运行的安全稳定性和经济性。
Transmission lines are important power transmission equipments, transmission line icing poses a serious threat to the security and stability of power system.
输电线路是电能传输的重要设备，线路覆冰给电力系统的安全稳定运行造成严重威胁。
Real-time power market eliminates the imbalance power through organizing real-time trades, so it plays an important role of maintaining the security and stability of power system.
实时电能市场通过组织实时平衡交易消除系统中的不平衡功率，对维持系统的安全稳定运行有重要意义。
It is necessary to use reactive power optimization to improve voltage quality, reduce operation network loss and improve security and stability of the operation system.
通过无功优化来改善电压质量、降低运行网损以及提高系统运行的安全稳定性显得尤为必要。
As to run one of the most important factors in a high-speed railway, the power supply system must be an absolute security and stability.
作为高速铁路运行中最重要因素之一的供电系统就必须绝对安全稳定。
Reliable adaptive reclosing technique can not only improve the reliability of the power system, but also play an important role in security, stability and economic operation of the power system.
可靠的自适应重合闸技术不仅能提高系统的供电可靠性，而且对保证整个电力系统的安全稳定和经济运行都有十分重要的意义。
To guarantee the security and stability of the power system operation and the quality of the electric power, the research and development of new intelligent devices will become increasingly urgent.
为了保证电力系统安全稳定的运行和满足用户对电能质量的要求，研究开发新型智能的同期装置也愈来愈迫切。
As the vital control device in the hydraulic power plant, stability of the hydraulic turbine speed governor is a key part to the security and stability of generator set, even to the power system.
水轮机调速器是水电厂重要控制设备，其工作的稳定性直接关系到水轮发电机组乃至电力系统的安全稳定运行。
However, the wind's randomicity, intermittence and seasons lead to the output of wind power not smoothly, so that the stability and security of the electric power system will be reduced.
但是由于风能具有随机性、间歇性以及季节性的特点，这就使得风力发电的出力不平稳，严重削弱了电网的安全性和稳定性。
The correct and reliable action of protection relay relates to security and stability of power system.
继电保护的正确可靠动作，关系到电力系统的安全稳定运行。
The security and stability of power system and the economic factors should be considered before breaking the electromagnetic loop circuit.
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。
The security and stability of power system and the economic factors should be considered before breaking the electromagnetic loop circuit.
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。
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