NDLI: A congestion index considering the characteristics of generators & networks

Content Provider	IEEE Xplore Digital Library
Author	Jiangtao Li Furong Li
Copyright Year	2012
Description	Author affiliation: University of Bath (Jiangtao Li; Furong Li)
Abstract	The connection of renewable generation into transmission network contributes a lot to provide green electricity and ensure energy security. However, the current congestion management schemes and related cost allocation methods fail to fairly treat different types of generators, such as wind farms with low load factor and conventional thermal plants with high load factor. In this paper, a congestion index which is defined as the annual congestion cost of unit transmission line, Annual Congestion Unit Cost (ACUC), is first introduced. ACUC identify different generators with their installed capacity, load factor and electricity price. Moreover, the calculation of ACUC learns from the idea of MW·km and the congestion cost is allocated by Power Transmission Distribution Factor (PTDF). Therefore, ACUC consider the characteristic of both generators and networks. The application of ACUC is demonstrated by DC Optimal Power Flow. The case studies based on a three-bus power system & an eight-bus power system are undertaken in this paper. Simulation results show that ACUC can effectively locate the congested transmission branches and with the reinforcement of these branches, the total congestion cost can be extremely reduced.
Starting Page	1
Ending Page	6
File Size	368012
Page Count	6
File Format	PDF
ISBN	9781467328548
e-ISBN	9781467328562
e-ISBN	9781467328555
DOI	10.1109/UPEC.2012.6398432
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-04
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Congestion management Electricity Investments Wind farms Congestion cost Generators Thermal loading Transmission Network Use of System (TNUoS) charge Power Transmission Distribution Factor (PTDF) Load flow
Content Type	Text
Resource Type	Article

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