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power flow models
相关语句
  潮流计算模型
     DISTRIBUTION THREE-PHASE POWER FLOW MODELS BASED ON INTERVAL ALGORITHM
     基于区间算法的配电网三相潮流计算模型
短句来源
     Distribution Harmonic Power Flow Models Based on Symmetrical Component Coordinate System
     基于对称分量坐标的配电网谐波潮流计算模型
短句来源
  “power flow models”译为未确定词的双语例句
     The Practical Power Flow Models of the Automatic Measurement Systems
     自动检测系统的实用功率流模型
短句来源
     POWER SYSTEM VOLTAGE STABILITY ANALYSIS USING EXPANDED POWER FLOW MODELS
     基于扩展潮流模型的电力系统电压稳定分析
短句来源
     In this paper,a partly decoupled method dealing with harmonic network is developed,which based on the harmonic power flow models of power elements established by symmetrical component coordinate system.
     在对称分量解耦 -补偿理论基础上对各种电力元件建立了谐波潮流计算时的模型 ,提出了基波 -谐波部分解耦的潮流算法 ;
短句来源
     Such reactive power price can not be obtained by traditional optimal power flow models because the production cost of reactive power is ignored in these models.
     传统的最优潮流数学模型将有功发电成本最小作为优化目标,不考虑无功功率的生产成本,因此无法得到合理的无功功率价格.
短句来源
  相似匹配句对
     Generalized Power Flow
     广义潮流计算
短句来源
     Development of optimal power flow
     最优潮流的发展
短句来源
     On Power
     权力的概念、产生和制约
短句来源
     the power;
     动力论;
短句来源
     models;
     五、发展的模式;
短句来源
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  power flow models
The flowgate methodology is based on physical power flow models.
      
The utilities are addressing this by using explicit models of step-up transformers in power flow models.
      
Now in North America some planning power flow models have more than 44,000 buses, and some state estimator models even more nodes.
      


This paper presents a new approach to study the automatic contingency selection and ranking using the network flow programming. The minimum cost of the reactive power flow model is proposed, in which the total amount of voltage drops is taken as the objective function. With this model, the optimal VAR distribution and the ampunt of the reactive load curtailment (i.e. VAR compensation) can be computed quickly for each contingency state. The latter is adapted as the performance index to filtering...

This paper presents a new approach to study the automatic contingency selection and ranking using the network flow programming. The minimum cost of the reactive power flow model is proposed, in which the total amount of voltage drops is taken as the objective function. With this model, the optimal VAR distribution and the ampunt of the reactive load curtailment (i.e. VAR compensation) can be computed quickly for each contingency state. The latter is adapted as the performance index to filtering and ranking the contingencies. The network flow programming is solved by "out of kilter" algorithm. The model and its algorithm are tested on IEEE 5-bus、 14-bus、 30-bus、 57-bus and 118-bus systems, and the encouraging results are obtained

本文用网络规划法对预想事故进行自动选择和排序。提出了无功最小费用流的数学模型,其中以总电压损耗最小为目标。应用这个模型可快速地计算出各事故状态下网络中的无功最优分配,从而可得到系统在各事故情况下所产生的无功负荷削减量,亦即所需的无功补偿量,并以此为性能指标评定事故的严重程度,进行事故的自动选择和排序。解算方法采用不良状态校正法(OKA)。通过对IEEE5节点、14节点、30节点、57节点和118节点系统进行实例计算,获得了满意的结果。

This paper bring out an idea which is about how to build the practical power flow model of the automatic measurement systems. This idea will make the process of building model more terse, more visualized and more standard. It is more convenicnt and more practicable for us to analyze the systems. So that we can transform the models to be the state equations and make. simulation conveniently.

本文提出了建立自动检测系统实用功率流模型的设想,从而使系统的建模更为简洁、直观和规范化,对系统的分析研究更为方便和实用.由此模型可以很方便地转换为状态方程并进行仿真.

A new approach to the optimization of transmission system expansion programming is presented in this paper. Topological theory of network is for the first time joined with heuristic method of electric-network planning, which also utilizes DC power flow model, shortest planning tree algorithm, Dijkstra shortest-path label method, step-by expansion approach are used to solve the above described multi-stage decision model of electric-network planning, and develope automaticaly the optimal configuration...

A new approach to the optimization of transmission system expansion programming is presented in this paper. Topological theory of network is for the first time joined with heuristic method of electric-network planning, which also utilizes DC power flow model, shortest planning tree algorithm, Dijkstra shortest-path label method, step-by expansion approach are used to solve the above described multi-stage decision model of electric-network planning, and develope automaticaly the optimal configuration of transmission system expansion programming. The miscellaneous computation and the arising of "dimension catastrobe" are avoided. The proposed method is practical and efficient in computation as well as comprehensive in use.

本文提出了一种新的输电系统扩建规划优化方法,首次把网络拓扑理论和电网规划的启发式方法相结合,采用直流潮流模型.应用最短片成树算法,Dijkstra最短路标号法、逐步扩展法和N-1检验进行多阶段求解决策,自动地生成所需规划输电系统扩建规划优化方案.避免了繁杂运算和维数过多的困难.具有简单快速、提供信息较全面、直观的优点.

 
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