Wind curtailment absorption method in thermal power plant

Abstract

The invention provides a wind curtailment absorption method in a thermal power plant. The method disclosed by the invention comprises the following steps: calculating heating coal consumption according to the generated power and heating power of a thermoelectric unit; establishing a minimum object to be an analytical model of coal consumption of the thermoelectric unit and coal consumption of a wind turbine generator according to the heating coal consumption and power generation coal consumption of the thermoelectric unit, and calculating the optimal thermal load of the thermoelectric unit according to the analytical model; and adjusting the current thermal load of the thermoelectric unit according to the optimal thermal load. The method disclosed by the invention solves the wind curtailment problem existing in the prior art. The wind curtailment reduction is realized, and the heat supply requirement of the thermal power plant is met.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of configuration of thermal power plants, and in particular to a method for a thermal power plant to absorb and abandon wind. Background technique [0002] In recent years, my country's wind power has maintained a healthy development momentum, and its newly installed capacity and cumulative installed capacity both rank first in the world. In 2016, my country's newly installed wind power capacity reached 19.3 million kilowatts, and the cumulative grid-connected installed capacity reached 149 million kilowatts. However, the level of wind power consumption cannot keep up with the speed of wind power development. In 2016, the abandoned wind power was as high as 49.7 billion kWh. Abandoned wind is mainly concentrated in the "Three North" regions, especially during the heating period in winter. Among them, the wind curtailment rate in Jilin Province in the first quarter of 2016 exceeded 50%...

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Problems solved by technology

[0004] However, in the prior art, under the premise that the heat load is determined to be constant, the curtailed wind is accommodated, which leads to a decline in the overall ability to coordinate the system

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