Spinning reserve contribution using unit responsibility criterion incorporating preventive maintenance scheduling

• A new deterministic criterion for determining operating reserve capacity is introduced.
• The unit reserve procurement is handled based upon unit responsibility criterion (URC).
• The unit reservation level depends on unit capacities and number of committed units.
• A new formulation for reserve assessment based upon URC incorporating PMS is developed.
• Total cost is decreased with URC consideration due to more proper reserve allocation.

Generators maintenance scheduling is addressed as a crucial issue that may affect both economy and reliability of power systems. System reserve procurement may facilitate preventive maintenance scheduling in such way to guarantee system reliability as well as security. In this paper, a new deterministic criterion for determining operating reserve capacity is introduced. In the proposed model, the unit reserve provision is handled based upon unit responsibility criterion (URC) that depends on unit capacities as well as number of committed units. Therefore, a new formulation for reserve assessment based upon URC incorporating preventive maintenance scheduling (PMSURC) is developed. The proposed model is structured as a mixed integer programming (MIP) and is solved using CPLEX solver. Several analyses are conducted to investigate the impact of unit responsibility criterion on the reserve assessment expenditure. An IEEE Reliability Test System (RTS) is employed to demonstrate the effectiveness of the proposed methodology and simulation results are promising.