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Operation optimization method and device of combined heat and power generation unit for improving wind power utilization rate

A cogeneration unit and utilization rate technology, which is applied in the direction of circuit devices, wind power generation, AC network circuits, etc., can solve the problems of reducing the space for receiving wind power and abandoning wind in the power system

Active Publication Date: 2017-03-22
CHINA ELECTRIC POWER RES INST +2
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AI Technical Summary

Problems solved by technology

Due to the limited power load, when the thermal power unit is maintained at a high level for a long time, the space for the power system to receive wind power is reduced
Accepting wind power does not mean that the grid is accepting wind power, but the entire power system is accepting wind power, resulting in serious wind curtailment

Method used

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  • Operation optimization method and device of combined heat and power generation unit for improving wind power utilization rate
  • Operation optimization method and device of combined heat and power generation unit for improving wind power utilization rate
  • Operation optimization method and device of combined heat and power generation unit for improving wind power utilization rate

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Embodiment Construction

[0075] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0076] Such as figure 1 As shown, the present invention provides a method and device for optimizing the operation of a combined heat and power unit for improving the utilization rate of wind power.

[0077] First, statistically analyze the basic information of cogeneration units in the whole network, including data such as the rated capacity of cogeneration units, minimum technical output, heating range, and the relationship between output of cogeneration units and heating temperature;

[0078] Secondly, based on the heat load prediction results of different heat supply ranges of thermoelectric units and the thermoelectric relationship of each unit, the boundary of the thermoelectric unit is determined through the functional relationship between the thermal load and the electrical load;

[0079] Then, based on the wind ...

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Abstract

The invention relates to an operation optimization method and device of a combined heat and power generation unit for improving the wind power utilization rate. The method comprises the steps of building a heat-power output relationship model of the combined heat and power generation unit and determining a heat output adjusting range of the combined heat and power generation unit; and executing heat-power output joint optimization within the heat output adjusting range of the combined heat and power generation unit and outputting an optimal solution of the operation mode of the combined heat and power generation unit. The operation mode of the heat and power generation unit is adjusted through the method, the output of the heat and power generation unit is optimized, and the wind power utilization rate is significantly improved on the premise of ensuring fixed residential heating quality.

Description

technical field [0001] The invention relates to an optimization method and device, in particular to a method and device for optimizing the operation of a combined heat and power unit for improving the utilization rate of wind power. Background technique [0002] During the heating period in northern winter, the thermoelectric unit needs to maintain the output of the unit at a high level for heating. Due to the limited power load, when the thermal power unit is maintained at a high level for a long time, the space for the power system to accept wind power is reduced. Adoption of wind power is not the acceptance of wind power by the grid, but the acceptance of wind power by the entire power system, resulting in serious wind curtailment. [0003] The power system is composed of power sources, users and grids. Power sources include conventional power sources such as thermal power and hydropower, as well as renewable energy sources such as wind power. Therefore, the final cons...

Claims

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Application Information

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IPC IPC(8): H02J3/46
CPCH02J3/46H02J2203/20Y02E10/76
Inventor 许彦平黄越辉王跃峰马烁礼晓飞许晓艳张楠孙勇
Owner CHINA ELECTRIC POWER RES INST
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