DOI:10.1007/s40565-018-0404-6 |
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Unified optimal power flow model for AC/DC grids integrated with natural gas systems considering gas-supply uncertainties |
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Net amount: 746 |
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Author:
Jiale FAN1, Xiaoyang TONG1, Junbo ZHAO2
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Author Affiliation:
1. School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610036, China
2. Bradley Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Blacksburg, USA
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Foundation: |
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Abstract: |
A unified optimal power flow (OPF) model for
AC/DC grids integrated with natural gas systems is proposed
for the real-time scheduling of power systems.
Herein, the primary physical couplings underlying this
coordinated system are modeled and investigated. In
addition, the uncertainties of gas loads are considered when
studying the role of gas supply for gas-fired units in power
system operations. The nonlinear gas system constraints
are converted to the second-order cone forms that allow for
the use of the Benders decomposition techniques and the
interior-point method to obtain the optimal solution. The
numerical results of the modified IEEE 118-bus test system
that integrates the Belgium 20-node natural gas system
demonstrate the effectiveness of the proposed model. The
effects of gas demand uncertainties on the optimal schedule
of thermal generators are investigated as well. |
Keywords: |
AC/DC optimal power flow (OPF), Natural gas
system, Benders decomposition, Second-order cone
programming |
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Online Time:2018/11/11 |
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