Method and system for activating potential flexibility of power system

A power system and flexibility technology, which is applied in the potential flexibility activation method and system field of the power system, can solve the problems that the safety and economy of the power system cannot be fully utilized, so as to improve safety and economy and reduce the feasible area the shrinking effect of

Pending Publication Date: 2021-08-20
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] Aiming at the deficiencies and improvement needs of the power system operation safety and economy that may be caused by the inability to fully utilize the flexibility of the power system in the prior art, the present invention provides a method and system for activating the potentia

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  • Method and system for activating potential flexibility of power system
  • Method and system for activating potential flexibility of power system
  • Method and system for activating potential flexibility of power system

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Embodiment Construction

[0045] 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 conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0046] Such as figure 1 As shown, the present invention provides a method for activating potential flexibility of a power system, comprising the following steps:

[0047] Step 1: Establish a continuous time scheduling model of the power system, and use Bernstein polynomials to interpolate and fit the power curve.

[0048] (1.1) Continuous time scheduling model of power system.

[0049] The po...

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Abstract

The invention discloses a method and a system for activating potential flexibility of a power system, and belongs to the field of electrical engineering. The method comprises the steps of establishing a continuous time scheduling model of a power system; fitting a power curve of the power system load and the new energy output by adopting Bernstein polynomial interpolation to obtain a Bezier power curve; transforming the continuous time scheduling model from a function space to a Bernstein polynomial interpolation coefficient space based on an enhancement matrix constructed by a Derkstrom algorithm to obtain an interpolation coefficient space optimization model; solving the interpolation coefficient space optimization model in the Bernstein polynomial interpolation coefficient space; and restoring an interpolation coefficient space optimization result to a function space to obtain an optimal continuous time scheduling plan. According to the method, an enhanced solution space transformation method is established, feasible region reduction in the power system continuous time scheduling problem solving process is reduced, and a basis is provided for activating potential flexibility.

Description

technical field [0001] The invention belongs to the field of electrical engineering, and more particularly relates to a method and system for activating potential flexibility of a power system. Background technique [0002] With the frequent occurrence of extreme climate events and the depletion of fossil energy, clean and pollution-free renewable energy has been developed rapidly. However, due to its volatility and intermittency, a large number of renewable energy sources are connected to the power system, which makes the load fluctuation of the power system more and more severe. Therefore, it is of great significance to explore new flexibility resources and make full use of the flexibility potential of existing resources to cope with power system load fluctuations. [0003] A large number of studies discuss how to improve the flexibility of the power system, which can be mainly divided into two aspects. First, develop new flexible resources in the power system, such as t...

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Application Information

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IPC IPC(8): G06F30/20G06Q10/04G06Q10/06G06Q50/06G06F17/16H02J3/00G06F119/06G06F119/12
CPCG06F17/16G06Q10/04G06Q10/0631G06Q50/06G06F30/20G06F2119/06G06F2119/12H02J3/00H02J2203/20Y02E40/70Y04S10/50Y04S10/52
Inventor 文劲宇周博艾小猛方家琨姚伟
Owner HUAZHONG UNIV OF SCI & TECH
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