Electric power regulation method of combined heat and power unit with electric boiler
A combined heat and power unit and combined heat and power technology, applied in heating methods, electric heating systems, space heating and ventilation details, etc., can solve problems such as inability to reduce output power, insufficient peak-shaving capacity of the system, and light abandonment
Active Publication Date: 2021-07-06
STATE GRID CORP OF CHINA +1
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Problems solved by technology
However, in order to supply heat in winter, the combined heat and power unit operates in the mode of "heat fixed power generation", and its output power cannot be reduced, resulting in insufficient peak regulation capacity of the system and poor overall regulation capacity of the power grid
[0005] During the heating period in the northern part of the country, the heating units operate "by heat to determine electricity", which leads to a serious shortage of peak-shaving capacity of the system, which cannot meet the requirements of large-scale wind power and photovoltaic power generation consumption, resulting in serious abandonment of wind and light.
[0006] There are many ways to improve the comprehensive utilization efficiency of energy and reduce the phenomenon of curtailment of wind and light, but the input cost is high. The more economical and practical method is to study the use of combined heat and power (CHP) units to improve the comprehensive Ability to accommodate new energy sources such as wind power and photovoltaics
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[0042] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.
[0043] see first figure 1 , figure 1 It is a schematic diagram of the electric power controller of the combined heat and power unit including the distribution boiler in the present invention. It can be seen from the figure that the electric power adjustment method of the cogeneration unit including the power distribution boiler in the present invention is characterized in that it includes a first communication port 1, a second communication port 2, a third communication port 3, a fourth communication port 4, The fifth communication port 5, the sixth communication port 6, the seventh communication port 7 and the controller of the control unit 8;
[0044] The new energy power generation signal input end of the first communication port 1 is connected to the communication out...
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An electric power adjustment method of a cogeneration unit including a power distribution boiler. The adjustment method aims at the limitation of the operation mode of the cogeneration unit of "power by heat" on the regulation of electric power. By adding an electric boiler, the cogeneration unit is changed. The working characteristics of the system, to a certain extent, untied the coupling relationship of "power determined by heat" in the past, improved the load regulation ability of the power grid, and contributed to the power grid's ability to absorb new energy sources such as wind power. The electric power adjustment method of the present invention solves the contradiction that the peak-shaving capability of the system is insufficient due to the input of cogeneration units in the heating season, which squeezes the capacity of new energy such as wind power to be connected to the grid. Therefore, the present invention is significant.
Description
technical field [0001] The invention relates to the field of comprehensive energy, especially the field of combined heat and power generation, and specifically relates to an electric power adjustment method for a combined heat and power generation unit (hereinafter referred to as CHP) including an electric boiler. Background technique [0002] In order to solve the shortage of fossil resources and the environmental pollution caused by coal burning, it is an inevitable choice for our country and other countries in the world to vigorously develop clean and environmentally friendly wind power and other renewable energy sources. [0003] In order to realize the energy strategy of low-carbon, environmental protection, green and sustainable development, my country has vigorously developed renewable energy in recent years, and issued a series of standards and policies for renewable energy. Renewable energy has made great progress, especially wind power. Energy development and utiliz...
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IPC IPC(8): H02J3/00H02J3/46H02J3/32F24D19/10F24D12/02F24D3/10F24D13/04
CPCF24D3/1058F24D12/02F24D13/04F24D19/1009F24D2200/32H02J3/00H02J3/32H02J3/46Y02B10/70Y02B30/00Y02E10/76Y02E70/30
Inventor 戎晓雪李天骄张干珍潘筱于志鹏李国杰
Owner STATE GRID CORP OF CHINA