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LMP Congestion Management Using Enhanced STF-LODF in Deregulated Power System
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作者 K. B. Ravindra Kumar Dr. S. Chandra Mohan 《Circuits and Systems》 2016年第9期2489-2498,共11页
Nowadays electricity market industry is become a major impact on power system for privatization and deregulation of power in global wise. As per the limitation of the transmission system, the complexity arises and the... Nowadays electricity market industry is become a major impact on power system for privatization and deregulation of power in global wise. As per the limitation of the transmission system, the complexity arises and the supply fact will be with demand at the time of balancing. The congestion of the power system is occurring based on the transmission limits of the power desire and amount for operating the system. In order to avoid transmission line congestion, enhanced STF-LODF method is proposed. It shows the regulated line transmission flow with generating units by implementing renewable energy resources (RER) based on enhanced STF-LODF in power systems. It avoids the congestion of transmission line frequently in the power system and manages price based on pricing and sensitivity approach, and also manages optimal location of congestion transmission and instability issues of voltage. The congestion management of Locational Marginal Pricing (LMP) is performed with minimum line loss, less cost, line flow, better sensitivity and better performances in optimal power flow and control flow. The efficiency of the proposed power system is analyzed and verified by the simulation results of tested IEEE 14 bus system. 展开更多
关键词 lodf Factor Sensitivity LMP Congestion Management Optimal Power Flow Renewable Resource
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基于直流灵敏度法的节点间可用输电能力计算 被引量:4
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作者 刘升 周京阳 潘毅 《华北电力技术》 CAS 2008年第10期1-6,共6页
设计了基于直流潮流的灵敏度算法,并建立了数学模型;给出了几种灵敏度系数的定义及计算公式,如功率传输分布系数(PTDF),支路开断分布系数(LODF)和支路开断传输分布系数(OTDF)。文中推导了无开断下、单一支路开断下以及单一发电机开断下... 设计了基于直流潮流的灵敏度算法,并建立了数学模型;给出了几种灵敏度系数的定义及计算公式,如功率传输分布系数(PTDF),支路开断分布系数(LODF)和支路开断传输分布系数(OTDF)。文中推导了无开断下、单一支路开断下以及单一发电机开断下节点间可用输电能力的计算公式,给出了计算流程,利用IEEE与节点例题对该算法进行测试,得到无开断和单一支路开断下的ATC值以及相关的功率分布系数值。本文的研究开发为电网可用输电能力(ATC)的实际应用提供了理论和技术基础。 展开更多
关键词 可用输电能力 灵敏度 支路开断 PTDF lodf 0TDF
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