Electric power adjusting method for combined heat and power generation unit with electric boiler
A cogeneration unit and cogeneration technology, which is applied in heating methods, electric heating systems, space heating and ventilation details, etc., can solve problems such as poor grid regulation capacity, insufficient system peak shaving capacity, and abandoned light, etc. The effect of load regulation
Active Publication Date: 2020-02-14
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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The invention discloses an electric power adjusting method for a combined heat and power generation unit with an electric boiler. The adjusting method aims at solving the problem that the operation mode of a combined heat and power generation unit for determining power by heat limits the adjustment of electric power. By adding the electric boiler, the working characteristics of the combined heat and power generation system are changed, the coupling relationship of determining power by heat in the past is unfastened to a certain extent, the load adjusting capability of a power grid is improved,and the absorption capability of the power grid on new energy sources such as wind power is facilitated. By means of the electric power adjusting method, the contradiction that due to the fact that the input of the combined heat and power generation unit extrudes the on-grid capacity of new energy such as wind power in the heat supply season, the peak shaving capacity of the system is insufficient is solved. Therefore, great significance is achieved.
Description
technical field [0001] The invention relates to the field of comprehensive energy, in particular to the field of combined heat and power generation, in particular to an electric power adjustment method for a combined heat and power generation unit 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 utilization. As of the end of June 2019, my...
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Patent Timeline
Login to View More 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