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Content Provider | IET Digital Library |
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Author | Mohamed, Mohamed A. Awwad, Emad Mahrous Sherbeeny, Ahmed M. El Nasr, Emad Abouel Ali, Ziad M. |
Abstract | Power system automation is an effective tool from both economical and technical aspects to improve the optimal operation of power generators. In this regard, Security Constrained Unit Commitment (SCUC) incorporating Dynamic Thermal Line Rating (DTLR) of overhead transmission lines can boost the system security effectively. Using Transmission Switching (TS) tool in SCUC problems leads to cost reduction. Still, one of the main challenges arisen in TS problems is the excessive number of switching in lines, which decreases the lifespan of power switches. In this paper, an Improved Linear AC Optimal Power Flow (ILACOPF) is proposed by using TS and considering Heat Balance Equation (HBE) as a security constraint. Merging dynamic thermal line rating (considering the weather conditions) in SCUC with TS, besides decreasing the number of switching and increasing the lifespan of power switches, causes a remarkable reduction in operating costs. In this power flow, system losses are modeled by linear formulations. Moreover, a linear approximation of the heat losses due to power flow through lines is proposed. To solve the proposed model, Benders' decomposition approach is applied. The performance of the proposed framework has been evaluated on 6-bus and 118-bus IEEE test systems. |
Starting Page | 1862 |
Ending Page | 1871 |
Page Count | 10 |
ISSN | 17518687 |
Volume Number | 14 |
e-ISSN | 17518695 |
Issue Number | Issue 10, May (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/14/10 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1570 |
Journal | IET Generation, Transmission & Distribution |
Publisher Date | 2020-02-06 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | 118-bus IEEE Test Systems 6-bus IEEE Test Systems Approximation Theory Bender Decomposition Approach Cost Reduction DTLR Dynamic Line Rating Constraint Dynamic Thermal Line Rating Electrical Power Loss Heat Balance Equation Heat Loss Improved Linear AC Optimal Power Flow Interpolation And Function Approximation Linear Approximation Linear Model Load Flow Numerical Analysis Operating Cost Reduction Optimal Scheduling Optimisation Overhead Power Line Overhead Transmission Line Power Flow Power Generation Dispatch Power Generation Economics Power Generation Scheduling Power Generator Power Overhead Line Power Switch Power System Automation Power System Control Power System Economics Power System Managemen Power System Operation Power System Security Reconfigurable Grid SCUC Problem Security Constraint Security-Constrained Unit Commitment System Loss System Security Thermal Power Loss Transmission Switching Tool TS Problem |
Content Type | Text |
Resource Type | Article |
Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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