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A solar-assisted home energy management method considering multiple uncertain factors in a real-time electricity price environment

A real-time electricity price and energy management technology, applied in the field of power system, can solve the problem that the energy management method of household equipment cannot reduce the cost of electricity, and achieve the effect of comprehensive load type

Active Publication Date: 2022-07-01
SOUTHEAST UNIV
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing energy management method for household equipment cannot reduce the cost of electricity

Method used

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  • A solar-assisted home energy management method considering multiple uncertain factors in a real-time electricity price environment
  • A solar-assisted home energy management method considering multiple uncertain factors in a real-time electricity price environment
  • A solar-assisted home energy management method considering multiple uncertain factors in a real-time electricity price environment

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Embodiment Construction

[0085] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0086] like Figure 1-2 As shown, the present invention proposes an energy dispatching management method for a solar-assisted home energy consumption system in a real-time electricity price environment. The energy consumption system includes a solar-assisted HVAC system and a hot water system. Under the premise of ensuring the user's physical comfort, the energy dispatch management method selects the lowest total electricity cost as the optimization goal, and considers various loads of different natures and the uncertainty of electricity price and solar radiation value, and refines the thermal dynamic characteristics of the system. modeling. It provides some guidance for the energy management of the household energy system under the real-time electricity price environment.

[0087] The main idea of ​​this embodiment is to first di...

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Abstract

The invention discloses a solar-assisted household energy management method that takes into account various uncertain factors in a real-time electricity price environment. First, the energy scheduling cycle is divided into multiple time periods for simulating the real-time electricity price. The solar-assisted home energy consumption system model; secondly, considering the user's comfort preference, the system energy management optimization objectives and constraints are determined on the premise of ensuring that the user's comfort is satisfied; then the real-time electricity price model and solar radiation model that take into account uncertainty are constructed and outdoor temperature model, using Monte Carlo simulation method to establish large-scale stochastic scenarios reflecting the above uncertainties; finally, scenario reduction technology is used to exclude low-probability scenarios and scenarios with similar clustering probabilities, and two-level stochastic programming is adopted for each scenario. The method performs a rolling solution to the power consumption optimization problem in each time period in the scene. The method of the invention is suitable for the energy management of the household energy consumption system under the real-time electricity price environment.

Description

technical field [0001] The invention belongs to the technical field of electric power systems, and relates to a solar-assisted household energy management method that takes into account various uncertain factors in a real-time electricity price environment. Background technique [0002] Energy management of household equipment has become an important research hotspot in the past few years, and its research work is mainly based on mathematical modeling and method solutions. [0003] Most of the works have studied the load control problem under the fixed electricity price model. The fixed electricity price means that the power supply unit sets the threshold value of electricity usage in different time periods, and communicates this value to the end user to help the user realize load scheduling. Therefore, the uncertainty of real-time electricity price, the influence of outdoor temperature on the heating part of the energy-consuming system, and different types of load demands a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06Y02E40/70Y04S10/50
Inventor 徐青山徐敏姣
Owner SOUTHEAST UNIV
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