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Method for optimizing heat pump capacity and power of each energy device in energy hub

A technology of equipment power and optimization methods, applied in design optimization/simulation, load forecasting in AC networks, computer-aided design, etc., and can solve problems such as optimization difficulties

Pending Publication Date: 2020-11-03
XIANGTAN UNIV
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Problems solved by technology

The problem has nonlinear random characteristics, which brings great difficulties to optimization

Method used

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  • Method for optimizing heat pump capacity and power of each energy device in energy hub
  • Method for optimizing heat pump capacity and power of each energy device in energy hub
  • Method for optimizing heat pump capacity and power of each energy device in energy hub

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specific Embodiment 1

[0115] figure 2 It is a flow chart of the method for optimizing the heat pump capacity and the power of each energy equipment in the energy hub according to the embodiment of the present invention. The methods include:

[0116] (1) Establish an energy hub model including natural gas boilers, electric boilers, coolers and heat pumps;

[0117] (2) Establish a double-layer optimized upper model to solve the optimal heat pump capacity;

[0118] (3) Establish the lower layer model of double-layer optimization to solve the optimal power of each energy equipment;

[0119] (4) Utilize the binary search algorithm based on the quadratic function to solve the upper model;

[0120] (5) Using the multi-objective evolutionary algorithm NSGA-II to solve the lower model;

[0121] (6) Integrate the two-layer optimization model to obtain the optimal solution.

[0122] Optionally, the energy equipment includes natural gas boilers, electric boilers, coolers and heat pumps.

[0123] Optiona...

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Abstract

The invention discloses a method for optimizing heat pump capacity and energy equipment power in an energy hub. The method comprises the following steps: establishing an energy hub model containing anatural gas boiler, an electric boiler, a cooler and a heat pump; establishing a double-layer optimized upper-layer model, and solving the optimal heat pump capacity; establishing a double-layer optimized lower-layer model, and solving the optimal power of each energy device; solving the upper-layer model by utilizing a binary search algorithm based on a quadratic function; and solving a lower-layer model by using a multi-objective evolutionary algorithm NSGAII. By adopting the optimization method provided by the invention, the problem of a multi-target double-layer model can be solved withoutthe help of commercial optimization software. And a reasonable, efficient and green planning scheme is obtained, so that the total operating cost and the total exhaust emission of the energy hub arerelatively optimal.

Description

technical field [0001] The invention relates to the field of energy hubs, in particular to a method for optimizing heat pump capacity and power of energy equipment in an energy hub. Background technique [0002] The survival and development of modern society is inseparable from the support of energy. With the development and progress of society, the demand for energy is increasing. At present, the main energy is still the traditional fossil energy. With the gradual depletion of traditional fossil energy and the deteriorating environment caused by energy consumption, countries are actively researching renewable energy and energy recovery technologies, so the use of multi-energy systems will increase. The energy hub is an important part of the multi-energy system, which can accommodate various forms of energy input and diversified load types. Optimizing the equipment type and capacity of the energy hub is the basis for ensuring the safe and economical operation of the energy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06Q10/04G06Q50/06G06F119/08
CPCG06F30/20G06Q10/04G06Q50/06G06F2119/08G06F30/17G06F2113/08H02J3/003H02J3/004H02J3/28
Inventor 邹娟杨旭郑金华裴廷睿刘忠兵
Owner XIANGTAN UNIV
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