Open AccessOptimal Operation for Integrated Electricity and Natural Gas Systems Considering Dynamic Gas Linepack
Author(s) -
Huachun Han,
Qiang Li,
Shengjun Wu
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/766/1/012009
Subject(s) - natural gas , mathematical optimization , electricity , regular polygon , power to gas , constraint (computer aided design) , flow (mathematics) , computer science , mathematics , engineering , mechanical engineering , physics , geometry , electrical engineering , electrolysis , electrode , quantum mechanics , electrolyte , waste management
With the increasing penetration of gas-fired turbines, the efficient and safe operation of power systems depends on the sufficient supply of natural gas. Hence, we proposed a coordinated optimal operation model of integrated electricity and natural gas systems (IENs). The gas linepack is considered by applying dynamic flow models. The non-convex Weymouth equality is converted to a second-order cone inequality constraint and a concave constraint that can be linearized by Taylor expansion. The initial operation point is obtained by optimizing the steady flow model. We proposed an algorithm based on the sequential strategy to solve this mixed-integer second order cone programming (MISOCP). The case study demonstrates that the proposed method can solve the MISOCP effectively and the operation cost can be reduced by taking full use of the gas linepack that is calculated by the dynamic gas flow model.