Transmission Expansion Planning Using Contingency Criteria

This paper proposes a methodology for choosing the best transmission expansion plan considering various types of security (operating reliability) criteria. The proposed method minimizes the total cost that includes the investment cost of transmission as well as the operating cost and standby cost of...

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Bibliographic Details
Published in:IEEE transactions on power systems 2007-11, Vol.22 (4), p.2249-2261
Main Authors: Jaeseok Choi, Mount, T.D., Thomas, R.J.
Format: Article
Language:English
Subjects:
Branch and bound method
Contingency
Cost engineering
Costs
Criteria
Expansion
Integer programming
investment cost
Investments
Linear programming
Methodology
operating cost
Operating costs
Optimization
Power engineering and energy
Power generation economics
Power system planning
Power system reliability
Power system security
Reliability engineering
security (reliability) criteria
standby cost
Standby generators
Strategy
Studies
transmission expansion planning
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Summary:This paper proposes a methodology for choosing the best transmission expansion plan considering various types of security (operating reliability) criteria. The proposed method minimizes the total cost that includes the investment cost of transmission as well as the operating cost and standby cost of generators. The purpose of the study is development of new methodology for solving transmission system expansion planning problem subject to contingency criteria which are essentially extensions of the (N-1) contingency criterion. The transmission expansion problem uses an integer programming framework, and the optimal strategy is determined using a branch and bound method that utilizes a network flow approach and the maximum flow-minimum cut set theorem. The characteristics of the proposed method are illustrated by applying it to a five-bus system and a 21-bus system. The results of these case studies demonstrate that the proposed method provides a practical way to find an optimal plan for power system expansion planning.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2007.908478