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Electric power system scheduling method based on homogenization of multiple types of power generation resources

A power system and homogenization technology, applied in the direction of single-network parallel feeding arrangement, etc., can solve the problem that there is no semi-controllable resource scheduling method

Active Publication Date: 2020-03-06
TSINGHUA UNIV +2
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Problems solved by technology

[0003] At present, there are scheduling methods for fully controllable resources, and scheduling methods for completely uncontrollable resources, but there is no scheduling method for semi-controllable resources.

Method used

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  • Electric power system scheduling method based on homogenization of multiple types of power generation resources
  • Electric power system scheduling method based on homogenization of multiple types of power generation resources
  • Electric power system scheduling method based on homogenization of multiple types of power generation resources

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Embodiment Construction

[0082] The power system scheduling method based on the homogeneity of multi-type power generation resources proposed by the present invention includes the following steps:

[0083] (1) Using the following formula, the total active power P of multiple types of power generation resources t Decomposed into controllable active power components and uncontrollable active power components

[0084]

[0085] Among them, the subscript t is the serial number of the scheduling period, C t , Respectively represent the lower limit and upper limit of the controllable active power components of generator sets with multiple types of power generation resources in the scheduling period t, SC t , Respectively represent the lower limit and upper limit of the capacity of the controllable active power component of the generator set of multiple types of power generation resources, DC t , Respectively represent the lower limit and upper limit of the ramp rate of the controllable act...

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Abstract

The invention relates to an electric power system scheduling method based on homogenization of multiple types of power generation resources, and belongs to the technical field of power system operation optimization. According to the electric power system scheduling method based on homogenization of multiple types of power generation resources, homogeneous modeling is adopted, the controllability of various types of generator sets is described, the calculation complexity is reduced by adopting aggregation technology, and an electric power system scheduling model based on multi-type power generation resource homogenization is constructed by adopting an existing linear programming calculation method. On one hand, the controllability of the active power of various power generation resources isimproved to realize the optimal scheduling of the controllability of the active power of various different power generation resources; besides, by means of polymerization technology, the scheduling complexity of an electric power system comprising multiple types of power generation resources is greatly reduced, and meanwhile high scheduling precision is kept. By applying the method disclosed in the invention, the controllability of various power generation resources including renewable energy sources can be fully developed, the uncertainty of multiple types of power generation resources in power system scheduling is reduced, and the flexible controllability of the power generation resources is improved.

Description

technical field [0001] The invention relates to a power system scheduling method based on the homogenization of multi-type power generation resources, and belongs to the technical field of power system operation optimization. Background technique [0002] The scheduling and operation of power systems has undergone tremendous changes in the past few decades. In the traditional sense, it is considered that the generation side is completely controllable and the load side is completely uncontrollable. The task of power system scheduling is how to make controllable power generation resources meet uncontrollable loads. In recent years, under the background of the integration of renewable energy into the power system, due to the scheduling uncertainty of renewable energy, the power generation side of the power system has changed from fully controllable to partially controllable. In addition, the demand-side response of the power system and the emergence of load-side energy storage...

Claims

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Application Information

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IPC IPC(8): H02J3/46
CPCH02J3/46
Inventor 李海张宁范越康重庆肖明王学斌
Owner TSINGHUA UNIV
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