TY - JOUR
T1 - On the Solution to Optimal Topology Adjustment in Long-Term Power System Operation with Explicit Short-Circuit Current Limitation Constraints
AU - Hua, Haocheng
AU - He, Chuan
AU - Liu, Tianqi
AU - Liu, Xuan
AU - Wu, Lei
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2024
Y1 - 2024
N2 - To restrict the excessive short-circuit current (SCC), this letter proposes an SCC-constrained optimal topology adjustment model considering the N-1 security criterion. Topology adjustment, including transmission switching (TS), bus sectionalization (BS), lines operating out of breaker bay (LOB) and commitment status of units (CU), has nonlinear relationships with SCC and is difficult to express explicitly. In this letter, an explicit formulation of SCC considering topology adjustment is proposed based on the equation of admittance matrix and nodal self-impedance, which is further recast as a mixed-integer linear programming (MILP) model. In addition, the N-1 security criterion is included for avoiding jeopardizing system security by topology adjustment. Numerical case studies validate the effectiveness and advantages of the proposed model in SCC restriction.
AB - To restrict the excessive short-circuit current (SCC), this letter proposes an SCC-constrained optimal topology adjustment model considering the N-1 security criterion. Topology adjustment, including transmission switching (TS), bus sectionalization (BS), lines operating out of breaker bay (LOB) and commitment status of units (CU), has nonlinear relationships with SCC and is difficult to express explicitly. In this letter, an explicit formulation of SCC considering topology adjustment is proposed based on the equation of admittance matrix and nodal self-impedance, which is further recast as a mixed-integer linear programming (MILP) model. In addition, the N-1 security criterion is included for avoiding jeopardizing system security by topology adjustment. Numerical case studies validate the effectiveness and advantages of the proposed model in SCC restriction.
KW - N-1 security
KW - Short-circuit current
KW - bus sectionalization
KW - commitment status of units
KW - topology adjustment
KW - transmission switching
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U2 - 10.1109/TPWRS.2022.3233760
DO - 10.1109/TPWRS.2022.3233760
M3 - Article
AN - SCOPUS:85147218986
SN - 0885-8950
VL - 39
SP - 6764
EP - 6767
JO - IEEE Transactions on Power Systems
JF - IEEE Transactions on Power Systems
IS - 5
ER -