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。
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。
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。
For the security and economic of power plant, research the new control method which can overcome the disadvantages of traditional superheat steam temperature control system has important meaning.
研究能克服传统过热汽温控制系统的缺点的新型控制方法，对于电站运行的安全性和经济性有十分重要的意义。
In addition, integrated the function of image monitory system, it will certainly improve the real time control for electric power environment and system security.
此外，电力部门的电力数据采集结合图像监控功能，将更加完善用电环境的实时控制和系统的安全使用。
Vulnerability repair of electric power production and control area secondary system is a necessary and important part of security protection work.
电力生产控制区二次系统漏洞修补属于安全防护工作中必不可少的重要组成部分。
Automatic generation control (AGC) and security constrained dispatching (SCD) are both the crucial measures to keep power system secure, economical and of sufficient quality.
自动发电控制(agc)和安全约束调度(SCD)均是确保电力系统安全、优质、经济运行的重要手段。
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。
In modern power systems, energy control centers play a vital role in guaranteeing the security and optimal operation of a power network system.
在现代电力系统中，能量控制中心在保证电网安全和优化运行的过程中起着关键的作用。
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 decoupled security enhancement algorithm(DSEA) is employed to study the seismic safety of power supply system, and flow load control analysis methods of power system are also gotten.
该方法以灵敏度分析的状态参量来对系统当前状态进行判断，然后根据判断的结果提出相应的控制措施。
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。
The security grade of nuclear power station is high, so the performance demand on Instrumentation and Control System is also high.
核电站的安全等级高，因此其对于仪控系统的性能要求也很高。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
为充分发挥含PMU的广域量测系统（W AM S/PMU）在电力系统安全预警、保护与控制中的作用，研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
The unique hydraulic design made the system possess high security under the situation of interruption of power supply. The practice proves that it is a brief, dependable, and economic control system.
独特的液压设计使得系统在断电情况下也能具有很高的安全性，实践证明，这是一种简便可靠，经济实用的控制系统。
The nuclear power trade is a trade in which the demand of security grade is high. To guarantee nuclear power station running normally, the control system it used must possess high safety performance.
核电行业是一种安全等级要求很高的行业，为保证核电站的正常运行，其采用的控制系统必须具有很高的安全特性。
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。
All the above can be used as theoretical basis of seismic security analysis and control and economic loss analysis of power supply system.
该工作可作为电力系统地震后安全分析与控制和经济损分析的理论基础。
Dynamic simulation is not only the basic tool for the analysis and control of power system dynamic security, but also the key reference for system operation in a power dispatching center.
电力系统动态仿真既是 电力系统动态安全分析与控制的基本工具，也是电网调度部门指导 电力 生产的主要依据，因此，动态仿真的准确程度直接关系到 电力系统的安全经济运行。
Dynamic simulation is not only the basic tool for the analysis and control of power system dynamic security, but also the key reference for system operation in a power dispatching center.
电力系统动态仿真既是 电力系统动态安全分析与控制的基本工具，也是电网调度部门指导 电力 生产的主要依据，因此，动态仿真的准确程度直接关系到 电力系统的安全经济运行。
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