Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia

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Abstract: Considering the cost of carbon emission, an optimal dispatching model for low-carbon power system including thermal power, clean energy generation and energy storage facilities is established. Based on the theory of system dynamics, a dynamic model of carbon emission system is established. For hydro-thermal power systems, a hydro-electric peak-shaving model is established with the objective of minimizing the output adjustment of thermal power units and the system fuel consumption, and a hydro-electric peak-shaving model with the objective of maximizing the hydro-electric power generation and minimizing the system fuel consumption. The clean energy generator set is introduced into IEEE reliability testing system, and the grid connection scenarios of wind power, solar power generation, wind storage complementation and other clean energy power generation are selected to combine different carbon emission price levels. According to the simulation results, the different impacts of grid connection of clean energy power generation on low-carbon power system scheduling, emissions and operating costs are emphatically analyzed.

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