Large disturbances are the main threats to transient security of power systems.
电力系统的暂态安全问题主要是由大扰动引起的。
Transient voltage risk can be calculated by optimizing the total cost for generator adjustment and load shielding under restrictions of transient security.
通过满足暂态电压安全约束的无功发电调节与切负荷总代价最小化问题，来表示暂态电压安全风险。
Combining with the research on China power market trends and based on risk, thesis will specially discuss transient security assessment, decision on security and market operation of security.
结合对我国电力市场发展趋势的研究，基于风险理论，本文将就系统安全特别是暂态稳定的评估、决策和安全的市场运作问题进行分析讨论。
Initialize the index database and all the MKF databases (includes permanent, transient, and security databases). Enter the following commands to initialize the databases.
初始化索引数据库和所有MKF数据库(包括永久、临时和安全数据库)。
Firstly, this method USES the continuation power flow (CPF) technique and both of static security and transient stability constraints are considered.
算法采用连续潮流(CPF)技术并考虑了系统的静态安全约束和暂态稳定约束。
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。
Fast transient stability analysis method is the core of the online dynamic security analysis.
在线动态安全分析的核心是快速暂稳分析。
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。
Based on the outcomes of study on the dynamic security region (DSR), a transient instability probability model combining discrete and continuous stochastic variables is proposed.
文中基于安全域的研究成果，提出了一个离散和连续相结合的暂态失稳概率模型。
On the other hand, the applications such as on-line dynamic security assessment and transient stability control are demanding real-time or super-real-time simulation.
而另一方面，诸如电力系统的在线动态安全评估和控制等应用对机电暂态仿真提出了实时甚至超实时的要求。
On the other hand, the applications such as on-line dynamic security assessment and transient stability control are demanding real-time or super-real-time simulation.
而另一方面，诸如电力系统的在线动态安全评估和控制等应用对机电暂态仿真提出了实时甚至超实时的要求。
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