Optimal flow calculation method needs calculate distribution power flow repeated;
最优流模式需要反复计算配网潮流;
Power flow calculation is the most important and fundamental tool for the analysis of any power system.
潮流计算是电力系统分析最基本和最重要的工具。
The key issue to achieve online security protection is the rapid flow calculation and overload control.
因此快速的潮流分析和过负荷控制是实现在线安全保护的关键。
At present, most of the 3d flow calculation for multistage turbomachinery are based on steady relative flow model.
目前,多级叶轮机械的三维流动计算绝大多数采用了绝对与相对定常模型来模拟静动叶轮。
An urgent situation analysis method based on Thevenin equivalent parameters and power flow calculation is proposed.
提出了基于戴维南等值参数和潮流解算的紧急态势分析方法。
This paper proposes an improved method of continuation power flow calculation to trace the PV curve of power system.
本文阐述了用改进连续潮流法求取电力系统的PV曲线。
This model also can be used for the internal flow calculation of any two-dimensional diffuser and for improving its design.
本文的计算方法还可以应用于任意二维扩散器的内部流动计算,用来指导改进扩散器的设计。
Power flow calculation of power tie lines is a Paramount basic computation for studying the steady operation of power system.
电力联络线潮流计算是研究电力系统稳态运行状态的一种最主要的基本计算。
A prototype system is designed and implemented. On this prototype platform, the distributed power flow calculation is implemented.
设计并实现了一套电力网格原型系统,实现了基于电力网格技术的分布式潮流计算。
With the increasement of the harmonic quantity in power system, single phase harmonic power flow calculation can't meet the needs.
随着电力系统中谐波的日益增多,单相谐波潮流计算已不能满足要求。
Finally, the paper proposes power flow calculation arithmetic considering uncertainty in wind farm, which is also the core in this paper.
最后提出了考虑不确定性的风电场潮流计算,这也是本文的核心。
This paper studies the simulation method of tie line power flow control among areas of an interconnected network in load flow calculation.
本文对潮流计算中互联电网各区域间的联络线功率控制的模拟计算方法进行了研究。
The content involves the aspect of power-flow calculation, incremental transmission losses, dynamic optimal dispatching of active power etc.
内容涉及电力系统潮流计算、网损微增率算法、动态有功优化调度等方面。
For the online flow calculation, two-way iterative method can be simplified in some aspects, which will help increase the speed of calculating.
对于在线潮流计算,对双向迭代算法可以作一些合理的简化,这样有助于计算速度的提高。
This paper sets up a calculation model to solve the internal flow of multistage centrifugal pumps and a flow calculation program is worked out.
本文成立了多级离心泵导叶内部流场的计较模子,体例了活动计较措施。
The procedures to divide bi-directional flows into two single directional flows are discussed. The formulae for OD flow calculation are derived.
并描述了将双向交通流分解为单向交通流进行推算的过程,给出了通道OD递推公式和相应条件。
The paper proposes a model for optimal load flow calculation in which the real and imaginary parts of all the node voltages are used as state variables.
本文提出用全部节点电压实部和虚部作为状态定量的最优潮流计算模型。
AC network with DC network are also combined in a AC-DC iterative power flow calculation program through the detailed model of 24-pulse bridge rectifier.
通过对24脉波换流站进行精确建模,将换流站两侧的直流网络和交流网络联系起来,运用交直流潮流迭代计算的方法计算地铁供电网络的潮流分布。
For many application cases, such as voltage adjustment and power flow matching, methods based on bus-type extended load flow calculation can be effective.
对于电网电压调节和潮流模型匹配等许多应用场合,可采用基于节点类型扩展的潮流计算方法。
The system marginal price can be obtained without the optimal flow calculation, so there is no convergence problem and the cost revision is not necessary.
不必求解系统最优潮流就可以得到系统边际电价,因而不存在收敛性问题,也不必进行费用修正。
For improving speed of distribution network optimum reconfiguration, quickly computing power loss using hybrid power flow calculation method is put forward.
为了提高重构优化速度,提出了利用混合潮流算法快速计算网损的方法。
The thesis links up dynamic load flow analysis and network topological analysis in power system as a whole to take dynamic load flow calculation of real time.
本文将电力系统网络拓扑分析和电力系统的动态潮流两个问题衔结起来,构成一个整体。
In this paper, the effects of solidity of rotor-stator cascades on axial-flow compressor performance are investigated with steady and unsteady flow calculation.
采用定常流和非定常流计算方法研究了各种动静叶稠度组合对轴流压缩机性能的影响。
In this paper, its application is described in details from genetic coding, start solution producing, unit evaluation, power flow calculation and PGA operation.
本文从基因编码,初始方案产生,个体优劣评价,潮流计算,单亲遗传操作等几个方面对其应用进行了详细说明。
To solve the problem of calculate maximum power in power system restoration process, the paper proposes the method of combined of flow calculation and sensitivity.
针对电力系统恢复过程中最大功率计算问题,提出了将潮流计算和灵敏度分析相结合的方法。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算,在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
Concerning the flow problem inside the injector nozzle for Dl diesel engine, the Euler-Euler approach was utilized in this paper to solve the two-phase flow calculation.
针对柴油机喷嘴内的流动问题采用欧拉·欧拉两项流法来求解。
Through decades of the hard work, the flow calculation for AC system has been quiet mature, among which the most commonly used are the Newton method and PQ Decomposition.
经过电力科技工作者们几十年的研究,纯交流系统的潮流算法现在已经相当成熟,其中最常用的是牛顿法和PQ分解法。
The algorithm searches power supply paths by finding effective tie- switches and sectionalizing switches, and eliminates improper switch pair according to power flow calculation.
算法首先从寻找有效的联络开关和分段开关开始搜索供电路径,通过潮流计算剔除不符合系统运行约束的开关组合。
During design of the layout on diesel engine, we performed one-dimensional flow calculation for turbocharger systems, optimized the valve timing and pre-selected the turbocharger.
在柴油机方案设计时,对涡轮增压系统进行了一维流动计算,优化了气门正时,并预选了增压器方案。采用已知的同类机型的放热率进行了缸内过程的计算。
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