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국내 전력 부하패턴 불균형 완화를 위한 수소 기반 에너지 저장 시스템 용량 산정 연구

Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea

Journal of the Korean Society for Precision Engineering 2020;37(7):547-554.
Published online: July 1, 2020

1 숭실대학교 기계공학부

1 School of Mechanical Engineering, Soongsil University

#E-mail: taehyunpark@ssu.ac.kr, TEL: +82-2-820-0669
• Received: March 10, 2020   • Revised: March 23, 2020   • Accepted: April 13, 2020

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea
J. Korean Soc. Precis. Eng.. 2020;37(7):547-554.   Published online July 1, 2020
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Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea
J. Korean Soc. Precis. Eng.. 2020;37(7):547-554.   Published online July 1, 2020
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Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea
Image Image Image
Fig. 1 Operational flowchart of PEMFC-based EES system with water electrolysis
Fig. 2 Typical electrical load pattern in South Korea15 (Adapted from Ref. 15 on the basis of OA)
Fig. 3 Standard PEMFC model at constant stoichiometry (λ = 1.1)
Estimation of the Capacity of Hydrogen-Based Energy Storage Systems toward Relieving the Imbalance of Electrical Load Pattern of South Korea
Parameter Typical value for PEMFC
Temperature [K] 330
Ethermo [V] 1.22
jo,An [A/cm2] 0.10
jo,Ca [A/cm2] 10-4
αAn [V] 0.50
αCa 0.30
ASRohmic [Ω.cm2] 0.01
jleak [A/cm2] 10-2
jL [A/cm2] 2
C [V] 0.10
H company S company B company
Electrical efficiency [LHV, %] > 50 48 57
Power [kW] 1000 100 70
Administrative district Power Generation
[GWh, %]
Power Sales
[GWh, %]
Seoul 641(0.11) 47810(9.14)
Busan 38496(6.79) 212168 (4.06)
Daegu 2650(0.47) 15676(3.00)
Incheon 62929(11.10) 24922(4.76)
Gwangju 515(0.09) 8774(1.68)
Daejeon 184(0.03) 9649(1.84)
Ulsan 20559(3.63) 33748(6.45)
Gyeonggi 74189(13.09) 122696(23.46)
Gangwon 30981(5.46) 16846(3.22)
N. Chungcheong 1627(0.29) 26240(5.02)
S. Chungcheong 129632(22.87) 52013(9.94)
North Jeolla 11743(2.07) 22962(4.39)
South Jeolla 78461(13.84) 34118(6.52)
N. Gyeongsang 84608(14.92) 45959(8.79)
S. Gyeongsang 58740(10.36) 35159(6.72)
Jeju 3030(0.53) 5273(1.01)
Sum 598981(100) 523060(100)
Administrative district Hydrogen production
[kg/day]
Hydrogenproduction
[L/day]
Seoul 1399 24584
Busan 84083 1477025
Daegu 5786 101655
Incheon 137451 2414493
Gwangju 1123 19740
Daejeon 401 7047
Ulsan 44970 789957
Gyeonggi 162044 2846505
Gangwon 67668 1188682
North Chungcheong 3553 62424
South Chungcheong 283144 4973759
North Jeolla 25648 450539
South Jeolla 131198 2304649
North Gyeongsang 166272 2920769
South Gyeongsang 116183 2040890
Jeju 7363 129351
Sum 1238295 21752076
Administrative district PEMFC
power [MW]
Required
area [m2]
Seoul 232 58020
Busan 102 25747
Daegu 76 19023
Incheon 120 30244
Gwangju 42 10647
Daejeon 46 11709
Ulsan 163 40955
Gyeonggi 595 148898
Gangwon 81 20443
North Chungcheong 127 31843
South Chungcheong 252 63120
North Jeolla 111 27865
South Jeolla 165 41404
North Gyeongsang 223 55773
South Gyeongsang 170 42667
Jeju 25 6398
Sum 2539 634763
Table 1 Typical parameters for PEMFC
Table 2 Commercial PEMFC generator specification19-21 (Adapted from Refs. 19-21 on the basis of OA)
Table 3 Power generation and sales by administrative district28 (Adapted from Ref. 28 on the basis of OA)
Table 4 Hydrogen production by administrative district
Table 5 PEMFC power and required area by administrative district