A Model for Power System Interconnection Planning Under Low-Carbon Economy With CO$_{2}$ Emission Constraints

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Abstract
Traditional models for planning interconnection between power systems are mainly concerned with the economic and security benefits. In this paper, the concept of low-carbon economy is introduced into the planning of interconnection while considering the emergence of new factors and their impact on the power system interconnection under the condition of low-carbon economy. The cost of low-carbon power technology and transaction expenses of the carbon trading mechanism involved are incorporated in the objective function, with the reduction targets of CO2 emissions introduced into the constraints. An interconnection planning model is developed with the maximization of the overall interconnection benefit in the planning period under the low-carbon economy as the objective function. A study of the planning of interconnection between two provincial grids in South China shows that the model proposed is effective and practical.

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