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A two-tier programming method for off-grid integrated energy systems

A comprehensive energy system and two-level planning technology, applied in the direction of system integration technology, information technology support system, resources, etc., to achieve the effect of reducing system cost, improving economy, and improving electrical-gas coupling

Active Publication Date: 2021-07-30
TSINGHUA UNIV
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Problems solved by technology

[0005] In order to solve the equipment capacity planning problem of the off-grid integrated energy system, the present invention provides a two-layer planning method for the off-grid integrated energy system, adding power-to-gas equipment during planning to improve the electrical-gas coupling of the off-grid integrated energy system , reduce system operating costs

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  • A two-tier programming method for off-grid integrated energy systems
  • A two-tier programming method for off-grid integrated energy systems
  • A two-tier programming method for off-grid integrated energy systems

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Embodiment Construction

[0119] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0120] The present invention provides an off-grid integrated energy system planning method, the flow is as follows figure 1 shown, including:

[0121] Step 1. Obtain typical daily data of renewable energy in the integrated energy system, historical data of cold, heat, and electric loads, basic parameters of equipment in the system, system operating parameters and operating conditions.

[0122] Step 2. Build the internal...

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Abstract

The invention relates to a two-layer planning method for an off-grid integrated energy system, which obtains typical daily data of renewable energy in the integrated energy system, historical data of cold, heat, and electric loads, equipment parameters, operating parameters and operating conditions in the integrated energy system; The mathematical model of each energy supply equipment inside the integrated energy system; according to the structure of the integrated energy system, a two-layer optimization model of the integrated energy system is constructed. The optimization model optimizes the operating state of the system with the goal of minimizing the system's lack of load; the two-layer optimization model is solved to obtain the optimal capacity configuration result of the integrated energy system. The invention applies the power-to-gas device in the planning of an off-grid integrated energy system, improves the coupling between electricity and gas, reduces the system cost, and improves the economy of the system.

Description

technical field [0001] The invention relates to the technical field of comprehensive energy, in particular to a two-layer planning method for an off-grid comprehensive energy system. Background technique [0002] The microgrid composed of distributed power supply, energy storage device, energy conversion device and load has been widely used because of the flexibility of distributed power supply and high energy utilization rate. However, with the increasing depletion of energy and the gradual improvement of people's requirements for energy quality, the traditional micro-grid will no longer be applicable. The comprehensive energy system including combined cooling, heating and power can effectively solve the above problems. Compared with the traditional micro-grid, the integrated energy system integrates the combined cooling and heating system, which can meet the needs of users for cooling energy, heating energy and electric energy at the same time, and different forms of ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/067G06Q50/06Y02E40/70Y04S10/50
Inventor 肖曦杨博文田培根
Owner TSINGHUA UNIV
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