Garden integrated energy system day-ahead economic dispatching method considering wind and light uncertainty

An integrated energy system and deterministic technology, which is applied in the field of day-ahead economic dispatch of the integrated energy system in the park, can solve the problems of the uncertainty of the wind and the wind and the uncertainty of the energy coupling relationship, and the uncertainty of renewable energy, so as to meet the requirements of safety and economy. requirements, improve robustness, and increase the effect of permeability

Pending Publication Date: 2021-08-13
SICHUAN UNIV
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Problems solved by technology

At present, many scholars have done research on the application of robust optimization in integrated energy systems, but the existing literature does not fully consider the energy coupling of various equipment

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  • Garden integrated energy system day-ahead economic dispatching method considering wind and light uncertainty
  • Garden integrated energy system day-ahead economic dispatching method considering wind and light uncertainty
  • Garden integrated energy system day-ahead economic dispatching method considering wind and light uncertainty

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[0199] For a detailed technical description of the disclosed embodiment of the present invention, in conjunction with the accompanying drawings and the following specific embodiments of the present invention will be further described.

[0200] Disclosed is a method for adjusting the degree of the economy before the park scenery Integrated Energy Systems uncertainty into account. DETAILED DESCRIPTION The process steps figure 1 , The technical solution of the present invention comprises the steps of:

[0201] Step 1: determine the specific composition of the park integrated energy system, comprising the introduction of new equipment and energy in the form of specific compositions.

[0202] (1.1) New energy forms in the integrated energy system of access to the park are: wind power and photovoltaic power generation;

[0203] (1.2) into an integrated energy system park energy conversion equipment: electric-gas equipment, electric boilers, gas turbines, cogeneration units, gas / heat s...

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Abstract

The invention discloses a garden integrated energy system day-ahead economic dispatching method considering wind and light uncertainty. Firstly, a two-stage adjustable robust optimization day-ahead dispatching model considering combined thermoelectric demand response is established by taking minimum basic scene operation cost as an objective function and combining related equipment and operation constraints of a garden system. due to the fact that the CCG method has better calculation efficiency in processing the robust optimization model, the CCG method is used for solving. And finally, a commercial solver Gurobi is applied to perform example simulation, a two-stage robust optimization scheduling strategy considering the combined thermoelectric demand response is obtained, it is verified that the method can better process uncertainty occurring in the system, meanwhile, the operation cost of a park can be reduced, and consumption of new energy is promoted.

Description

technical field [0001] The invention belongs to the technical field of optimized operation of comprehensive energy systems, and in particular relates to a day-ahead economic scheduling method for park comprehensive energy systems considering the uncertainty of scenery. Background technique [0002] The variance between the actual wind power output and the predicted output is much larger than the traditional load variance, and the traditional power system operation mode is not enough to guarantee the reliability of the system. Due to the physical constraints of the power system (such as conventional generators and ramping limitations of transmission line capacity), wind power curtailment occurs frequently, resulting in low utilization of wind power and inhibiting the enthusiasm for wind power investment in the long run. When large-scale renewable energy is connected to the power system, the strong randomness and intermittency of renewable energy make it difficult to accuratel...

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06375G06Q50/06Y04S10/50
Inventor 何川吕祥梅刘天琪
Owner SICHUAN UNIV
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