文章介绍了所开发的经济压差优化无功潮流程序。
In this paper the optimum reactive power flow program of economic voltage difference is presented.
结合县级农网实际，分析了农网中无功潮流的分布。
According to the reality of county Level rural grid, we analyzed the distribution of reactive power flow in the rural grid.
潮流跟踪法应用于输电网的有功潮流分析和无功潮流分析。
The tracing method in meshed transmission networks is applied to both active and reactive power flows.
试验分析表明，大机组发电机进相运行可有效改善电网无功潮流分布，提高电网供电质量。
The analysis indicates that large turbine-generator leading phase operation can improve the reactive power load distribution and the quality of power supply effectively.
第二个重要工作是保持整个系统的电压正确分布，这可通过在各线路上恰当的无功潮流来完成。
The next most important job is to maintain a proper profile3 throughout the system. This is accomplished by proper flows of reactive power on the various lines.
这种方法满足电路定律、计及了有功和无功潮流的交叉耦合，使所有电源和负荷都参与损耗分摊。
This method meets all the circuit laws, and makes all the network loss allocated to all consumers and generators, and takes into account the interactions between active and reactive powers.
电力系统中网络结点千百个交织密布，有功潮流、无功潮流、高次谐波、负序电流等以光速在全系统范围传播。
Power system Network Node thousands of mixed clouds, active power, reactive power flow, high harmonics, negative sequence current of the speed of light in the system-wide communication.
本文提出了用最优无功潮流法规划超高压电网感性无功功率补偿设计的方法，这是保证电网电压质量和经济运行的前提。
To ensure the voltage quality and the economic operation a design method for planning reactive power compensation in UHV network with optimum reactive power flow is presented in this paper.
本文提出了一种方法，以确定适当的无功功率赔偿来恢复在无法解决的严重意外中的潮流解。
This paper presents a methodology to determine the adequate reactive power compensation for restoring power flow solvability in the unsolvable severe contingencies.
在输电成本分摊方面，本文首先指出建立在有功功率与无功功率解耦追踪的基础上的传统潮流追踪方法的不合理性。
As the traditional power flow tracing method is based on the active and reactive power decoupled method, the results obtained by this method is not precision.
提出了有功、无功联合网损分摊和支路潮流分解的理论基础。
The theory of MVA loss allocation and branch power flow allocation is proposed.
统一潮流控制器(UPFC)可以有效控制线路的有功和无功功率。
UPFC (Unified power Flow Controller) is always used to control the active and reactive power of transmission lines.
比如，潮流计算、无功补偿规划、电压稳定、频率稳定及长期动态过程的分析等。
For example, power flow, reactive power compensation, voltage stability, frequency stability, and analysis of long terms dynamic process.
该软件具有图形编辑、网络拓扑分析、电网信息数据库管理、潮流计算、电能损耗计算和无功优化分析等功能。
This software has functions of graphic editing, network topological analysis, power information database management, power flow calculating, power loss and reactive power optimization analysis.
本文主要工作即是在电力市场环境下，研究基于最优潮流的无功定价问题。
The main work of this paper is reactive power pricing research basing on OPF under the environment of power market.
首先，针对传统连续潮流算法在计算负荷裕度时遇到的平衡节点发电机无功约束问题进行了研究，提出了平衡节点无功约束的连续潮流负荷裕度算法。
Firstly, the problem of reactive power constrains of generator at slack bus is studied, and a load margin algorithm of continuation power flow of reactive power constrain at slack bus is proposed.
在潮流计算的基础上，以配电网年运行纯效益最大为目标函数，建立了无功补偿优化数学模型。
Based on the power flow calculation, an optimization model of reactive power compensation is established, in which the maximum of annual pure efficiency is taken as objective function.
这种建立模型的思想还可以应用到需要计算海森矩阵的动态无功优化、最优潮流以及状态估计等问题的算法中，以提高其计算速度。
This proposed modeling idea can also be applied to dynamic reactive optimization, optimal power flow and state estimation for a faster calculation.
因此，在应用连续潮流法计算负荷裕度和临界电压时应考虑平衡节点发电机无功约束问题。
So, the problem of reactive power constrains of generator at slack bus should be considered when calculating the load margin and critical voltage by using the method of continuation power flow.
配电网潮流是配电网无功优化的基础和工具，其计算速度和收敛性将直接影响优化的效果。
Power flow method of a distribution system is the base and tool of reactive power optimization, whose convergence and computation speed is very important to the efficiency of optimization.
配电网潮流是配电网无功优化的基础和工具，其计算速度和收敛性将直接影响优化的效果。
Power flow method of a distribution system is the base and tool of reactive power optimization, whose convergence and computation speed is very important to the efficiency of optimization.
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