Capacity optimization configuration method for combined heat and power generation micro grid containing heat pump

A technology of capacity optimization configuration and cogeneration, applied in wind power generation, genetic model, electrical digital data processing, etc., can solve the problems of reducing conventional energy, high use cost, and poor economic benefits.

Active Publication Date: 2016-02-17
POWER GRID PLANNING RES INST OF GUIZHOU POWER GRID CO LTD +1
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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a method for optimizing the capacity of cogeneration microgrids with heat pumps, so as to solve the problem of reducing conventional energy and reducing the amount of abandoned air in the prior art cogeneration microgrid capacity optimization configurations. Optimize the configuration in terms of improving the economic benefits of the system, resulting in problems such as high cost of use and poor economic benefits in the existing system

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  • Capacity optimization configuration method for combined heat and power generation micro grid containing heat pump
  • Capacity optimization configuration method for combined heat and power generation micro grid containing heat pump
  • Capacity optimization configuration method for combined heat and power generation micro grid containing heat pump

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Embodiment Construction

[0092] A method for optimally configuring the capacity of a cogeneration microgrid including a heat pump, comprising:

[0093] Step 1. Establish a microgrid system model,

[0094] The microgrid system model includes:

[0095] Wind turbine output model, taking 1h as a period, the output power P of the wind turbine in a period t w From the average wind speed v at the height of the fan hub during this period t decision, its piecewise function expression is

[0096] Formula 1

[0097] In the formula: v ci is the cut-in wind speed, v co is the cut-out wind speed, v r is the rated wind speed, P r w is the rated output power of the wind turbine, v t The average wind speed at the height of the wind turbine hub; ω(v t ) can be approximated as a linear function, namely:

[0098] Formula 2

[0099] CHP unit output model,

[0100] In the prior art, internal combustion engines and micro gas turbines are mainly used as CHP units. Due to the unique advantages of micro gas t...

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Abstract

The invention discloses a capacity optimization configuration method for a combined heat and power generation micro grid containing a heat pump. The method comprises a step 1 of establishing a micro-grid system model; a step 2 of introducing a heat pump into a combined heat and power generation micro grid and establishing an operation strategy of the combined heat and power generation micro grid containing the heat pump; a step 3 of establishing a capacity optimization configuration model of the combined heat and power generation micro grid containing the heat pump; a step 4 of solving the capacity optimization configuration model of the combined heat and power generation micro grid containing the heat pump by using a genetic algorithm. The method solves a problem that combined heat and power generation micro grid capacity optimization configuration in the prior art is not performed in the aspects of decreasing conventional energy sources, reducing wasted wind, and increasing system economic benefit so that a conventional system is high in using cost and poor in economic benefit.

Description

technical field [0001] The invention belongs to the technical field of electric power system planning, and in particular relates to a capacity optimization configuration method of a cogeneration micro-grid including a heat pump. Background technique [0002] At present, the microgrid has become a hot spot widely concerned by researchers at home and abroad, and a large number of research results have been obtained on the microgrid and cogeneration technology. Due to the addition of renewable energy, its randomness and volatility have brought many difficulties to the coordinated control of the microgrid. Therefore, rationally configuring the power capacity of the microgrid is the primary issue in the planning and construction of the microgrid. Scholars at home and abroad have made a series of achievements in optimizing the configuration of system capacity. [0003] In terms of the capacity optimization configuration model of cogeneration microgrid, some scholars have establis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38G06F17/50G06N3/12
CPCY02E10/76Y02E40/70Y04S10/50
Inventor 钟以林皮显松谢开贵蒋泽甫胡博郭宇航马冲李雪凌李炎林何向刚刘文霞王力立
Owner POWER GRID PLANNING RES INST OF GUIZHOU POWER GRID CO LTD
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