NDLI: Transmission network expansion planning considering risk level assessment and scenario-based risk level improvement

Content Provider	IET Digital Library
Author	Shin, Je Seok Kim, Jin O Kim, Sung Yul
Abstract	Renewable energy sources (RESs) are actively connected with the grid, and thus the requirement for transmission network expansion planning has increased. When RESs are added to the grid as independent power plants under a deregulated power system structure, an independent system operator managing the transmission system should evaluate the impact of RES penetration. The system operator should restrict the capacity of the RES to be installed or perform transmission network expansion planning if necessary. This study proposes risk assessment (RA) based on an exponential risk level (RL) model to evaluate the negative effects of RES penetration and introduces a method of applying RA in scenario-based transmission network expansion planning. The index of RL reduction via a scenario is formulated as an economic efficiency indicator for reducing the RL, based on the result of RA. A case study is performed on an actual power system in South Korea. For two cases based on the penetration of RESs, transmission network expansion planning considering the proposed RA is performed for several scenarios, and then, the best scenario for each case is selected.
Starting Page	1081
Ending Page	1088
Page Count	8
ISSN	17518687
Volume Number	12
e-ISSN	17518695
Issue Number	Issue 5, Mar (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/12/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2017.1210
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-10-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Deregulated Power System Structure Economic Efficiency Indicator Energy ReSource Exponential Risk Level Model Independent Power Plant Independent System Operator Power System Economics Power System Managemen Power System Operation Power System Planning And Layout Power Transmission Economics Power Transmission Planning Power Transmission, Distribution And Supply RA Renewable Energy Source RES Penetration Risk Level Assessment Risk Management RL Scenario-based Risk Level Improvement South Korea Transmission Network Expansion Planning
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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