Unit Commitment in Presence of Wind Power Plants and Energy Storage
الموضوعات : مهندسی هوشمند برق
Reza Khanzadeh
1
(Electrical Engineering Department, South Tehran Branch, Islamic Azad University, Tehran, Iran)
Mahmoud Reza Haghifam
2
(Electrical Engineering Department, South Tehran Branch, Islamic Azad University, Tehran, Iran.)
الکلمات المفتاحية: Unit commitment, Economic dispatch, Wind power, Hydro Pump Storage Unit, Mont Carlo Simulation,
ملخص المقالة :
As renewable energy increasingly penetrates into power grid systems, new challenges arise for system operators to keep the systems reliable under uncertain circumstances, while ensuring high utilization of renewable energy. This paper presents unit commitment (UC) which takes into account the volatility of wind power generation. The UC problem is solved with the forecasted intermittent wind power generation and possible scenarios are simulated for representing the wind power volatility. The iterative process between the commitment problem and the economic dispatch(ED) problem will continue until we find the optimum mode of committing the units. Furthermore we have considered a hydro pump storage (HPS) unit to be a part of operating system in order to mitigating wind power forecasting errors and peak shaving. Numerical simulations indicate the effectiveness of the proposed UC for managing the security of power system operation by taking into account the intermittency and volatility of wind power generation