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A method for absorbing abandoned wind in a thermal power plant

A thermal power plant and consumption technology, which is applied in the direction of circuit devices, AC network circuits, and AC networks with the same frequency from different sources, etc., can solve problems such as the decline in coordination system capabilities, and achieve the effect of ensuring heat supply and reducing wind curtailment

Active Publication Date: 2019-08-09
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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

Method used

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  • A method for absorbing abandoned wind in a thermal power plant
  • A method for absorbing abandoned wind in a thermal power plant
  • A method for absorbing abandoned wind in a thermal power plant

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0038] figure 1 It is a flow chart of the method for absorbing and abandoning wind in thermal power plants of the present invention, such as figure 1 As shown, the method of this embodiment may include:

[0039] Step 101. Calculating heating coal consumption according to the generating power and heating power of the thermoelectric unit;

[0040...

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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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/06
CPCH02J3/06H02J2203/20
Inventor 胡炳廷吕泉王海霞巴宇刘娆李卫东
Owner DALIAN UNIV OF TECH
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