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Title: Frequency support comparison for vanadium and lithium-ion BESSs using a converter-based grid emulator

Abstract

Battery energy storage systems (BESSs) are commonly used for frequency support services in power systems because they have fast response times and can frequently inject and absorb active power. Lithium-ion (Li-ion) BESSs dominate the grid energy storage market now, but Vanadium redox flow (VRB) BESSs are predicted to contend in future markets for large-scale storage systems. Previously, a Li-ion BESS emulator has been developed for a grid emulation system known as the Hardware Testbed (HTB), which consists of converters controlled to emulate different power system components. In this paper, we develop a VRB BESS emulator with a VRB-specific internal battery model and a power electronics interface similar to that of the Li-ion BESS emulator. Then, we compare the effectiveness of the VRB and Li-ion technologies for primary frequency regulation and inertia emulation applications. It is concluded that these two technologies are virtually indistinguishable from the power system's perspective when conducting these services over a short period of time.

Authors:
 [1];  [2]; ORCiD logo [3];  [3]
  1. The University of Tennessee Knoxville
  2. University of Tennessee, Knoxville (UTK)
  3. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1474504
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: IEEE Applied Power Electronics Conference and Exposition - San Antonio, Texas, United States of America - 3/4/2018 5:00:00 AM-3/8/2018 5:00:00 AM
Country of Publication:
United States
Language:
English

Citation Formats

Boles, Jessica, Ma, Yiwei, Tolbert, Leon M., and Wang, Fei. Frequency support comparison for vanadium and lithium-ion BESSs using a converter-based grid emulator. United States: N. p., 2018. Web. doi:10.1109/APEC.2018.8341077.
Boles, Jessica, Ma, Yiwei, Tolbert, Leon M., & Wang, Fei. Frequency support comparison for vanadium and lithium-ion BESSs using a converter-based grid emulator. United States. doi:10.1109/APEC.2018.8341077.
Boles, Jessica, Ma, Yiwei, Tolbert, Leon M., and Wang, Fei. Thu . "Frequency support comparison for vanadium and lithium-ion BESSs using a converter-based grid emulator". United States. doi:10.1109/APEC.2018.8341077. https://www.osti.gov/servlets/purl/1474504.
@article{osti_1474504,
title = {Frequency support comparison for vanadium and lithium-ion BESSs using a converter-based grid emulator},
author = {Boles, Jessica and Ma, Yiwei and Tolbert, Leon M. and Wang, Fei},
abstractNote = {Battery energy storage systems (BESSs) are commonly used for frequency support services in power systems because they have fast response times and can frequently inject and absorb active power. Lithium-ion (Li-ion) BESSs dominate the grid energy storage market now, but Vanadium redox flow (VRB) BESSs are predicted to contend in future markets for large-scale storage systems. Previously, a Li-ion BESS emulator has been developed for a grid emulation system known as the Hardware Testbed (HTB), which consists of converters controlled to emulate different power system components. In this paper, we develop a VRB BESS emulator with a VRB-specific internal battery model and a power electronics interface similar to that of the Li-ion BESS emulator. Then, we compare the effectiveness of the VRB and Li-ion technologies for primary frequency regulation and inertia emulation applications. It is concluded that these two technologies are virtually indistinguishable from the power system's perspective when conducting these services over a short period of time.},
doi = {10.1109/APEC.2018.8341077},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {3}
}

Conference:
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