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Generator Maintenance Schedule Considering Characteristics of Multi-type Renewable Energy

Generator maintenance scheduling plays an important role in the reliable and economic operation of power system. However, it is greatly challenged by the integration of large-scale renewable energy due to the intermittent and volatile characteristics of wind and solar power. This paper proposes a maintenance scheduling method for generators based on the load duration curve, considering maintenance requirements and the seasonal characteristics of renewable energy and hydro energy as well as takes the system operation constraints into consideration to minimize the cost of system operation. It constructs the weekly model for system operation and conducts the unified optimization for yearly maintenance scheduling and hydro distribution. The model improves the reliability and decreases the cost effectively. The case study on the modified IEEE-RTS verifies the validity and feasibility of the proposed method.