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Title: Comparing Power Flow Approximations for Electricity Infrastructure Capacity Expansion Models with High Spatial Resolution

Abstract

Future electricity system portfolios will require strategic transmission expansions for economically integrating regionally dependent, high-quality renewable resources. In this context, accurate representation of transmission flows in large-scale electricity infrastructure capacity expansion planning problems is important. This paper describes an approximate linearized power flow transmission modeling method for such expansion problems and demonstrates the impact on planning solutions using the National Renewable Energy Laboratory's Regional Energy Deployment System (ReEDS) model. Results are compared against a pipe flow transmission representation, which is used in a number of large-scale planning models. We show that national-scale generation and transmission expansion is not substantially influenced by the power flow methodology but that the pipe flow representation does underestimate required transmission capacity and total system costs.

Authors:
 [1];  [1]; ORCiD logo [1]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Strategic Programs (EE-SP)
OSTI Identifier:
1476873
Report Number(s):
NREL/CP-6A20-69013
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 2018 IEEE/PES Transmission and Distribution Conference and Exposition (T&D), 16-19 April 2018, Denver, Colorado
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; electricity infrastructure; transmission model; DC power flow; pipe flow; capacity expansion planning; ReEDS

Citation Formats

Sun, Yinong, Cole, Wesley J, and Krishnan, Venkat K. Comparing Power Flow Approximations for Electricity Infrastructure Capacity Expansion Models with High Spatial Resolution. United States: N. p., 2018. Web. doi:10.1109/TDC.2018.8440480.
Sun, Yinong, Cole, Wesley J, & Krishnan, Venkat K. Comparing Power Flow Approximations for Electricity Infrastructure Capacity Expansion Models with High Spatial Resolution. United States. doi:10.1109/TDC.2018.8440480.
Sun, Yinong, Cole, Wesley J, and Krishnan, Venkat K. Thu . "Comparing Power Flow Approximations for Electricity Infrastructure Capacity Expansion Models with High Spatial Resolution". United States. doi:10.1109/TDC.2018.8440480.
@article{osti_1476873,
title = {Comparing Power Flow Approximations for Electricity Infrastructure Capacity Expansion Models with High Spatial Resolution},
author = {Sun, Yinong and Cole, Wesley J and Krishnan, Venkat K},
abstractNote = {Future electricity system portfolios will require strategic transmission expansions for economically integrating regionally dependent, high-quality renewable resources. In this context, accurate representation of transmission flows in large-scale electricity infrastructure capacity expansion planning problems is important. This paper describes an approximate linearized power flow transmission modeling method for such expansion problems and demonstrates the impact on planning solutions using the National Renewable Energy Laboratory's Regional Energy Deployment System (ReEDS) model. Results are compared against a pipe flow transmission representation, which is used in a number of large-scale planning models. We show that national-scale generation and transmission expansion is not substantially influenced by the power flow methodology but that the pipe flow representation does underestimate required transmission capacity and total system costs.},
doi = {10.1109/TDC.2018.8440480},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {8}
}

Conference:
Other availability
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