LI Mingyang, JIANG Yuanyuan. Effect of flexible load regulation of thermal power units considering coal consumption rate on wind power utilization[J]. Thermal power generation, 2020, 49(2): 45-51.
LI Mingyang, JIANG Yuanyuan. Effect of flexible load regulation of thermal power units considering coal consumption rate on wind power utilization[J]. Thermal power generation, 2020, 49(2): 45-51. DOI: 10.19666/j.rlfd.201909194.
Flexible load regulations of thermal power units are one of the key approaches to increase the wind power utilization in power systems. Power units under flexible load regulations have higher coal consumption rates than those in normal operating modes
while such characteristics are not captured by existing power system dispatch models. In this paper
a unit commitment model considering thermal power units in flexible load regulations is presented
and coal consumption rates of flexible units are characterized by using piecewise linear functions. The model is solved by using existing mixed integer linear programming(MILP) methods. Then
numerical examples on the IEEE 30-bus system with practical wind farm and thermal power unit data are presented. The verification results demonstrate that
the flexible load regulations of thermal power units can substantially improve the wind power utilization and reduce the generation costs.