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Method and device for identifying output feasible region of virtual power plant based on constraint aggregation

A virtual power plant and identification method technology, applied in the direction of circuit devices, simulators, electrical components, etc., can solve problems such as the inability to calculate and describe the feasible range of virtual power plant output, and achieve the effect of improving safety and economy

Active Publication Date: 2020-02-11
TSINGHUA UNIV
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  • Application Information

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Problems solved by technology

[0004] Existing literature and technologies are still unable to calculate and describe the feasible region of virtual power plant output, and cannot concisely and effectively consider the safety operation constraints of virtual power plants in the optimization process of virtual power plants participating in the transmission network and spot market

Method used

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  • Method and device for identifying output feasible region of virtual power plant based on constraint aggregation
  • Method and device for identifying output feasible region of virtual power plant based on constraint aggregation
  • Method and device for identifying output feasible region of virtual power plant based on constraint aggregation

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Embodiment Construction

[0110] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0111] The method and device for identifying the feasible region of virtual power plant output based on constraint aggregation proposed according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0112] Firstly, a method for identifying a feasible region of output of a virtual power plant based on constraint aggregation proposed according to an embodiment of the present invention will be described with reference to the accompanying drawings.

[0113] figure 1 It is...

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Abstract

The invention discloses a method and a device for identifying the output feasible region of a virtual power plant based on constraint aggregation, and relates to the technical field of power system dispatching and operation. The method comprises the following steps: acquiring basic operation data of the internal power distribution system of the virtual power plant; a static safety constraint modelof the virtual power plant based on an AC power flow equation is constructed according to the basic operation data of the internal distribution system of the virtual power plant; the output feasibleregion model of the virtual power plant is constructed according to the static safety constraint model of the virtual power plant; and the feasible region model of the virtual power plant output is calculated according to the basic data of the internal distribution system of the virtual power plant and the enumeration algorithm of the feasible region vertex so as to obtain the output feasible region of the virtual power plant. The method can characterize the output feasible region of the virtual power plant allowed for safe operation so that the virtual power plant can participate in the optimal dispatching operation of the power system and the clearing of the spot power market, the dispatching and clearing results are ensured not to violate the internal safe operation constraints of the virtual power plant and thus the safety and economy of the system can be improved.

Description

technical field [0001] The invention relates to the technical field of power system dispatching operation, in particular to a method and device for identifying a feasible region of virtual power plant output based on constraint aggregation. Background technique [0002] With the rapid development and massive access of various distributed resources such as distributed wind power, photovoltaics, small gas turbines, demand response resources, user-side energy storage, and electric vehicles, the traditional dispatching operation mode of decoupling the transmission network and the distribution network It has been unable to adapt, which restricts the effective utilization of distributed resources. At the same time, the current wholesale power market only allows generators with large capacity to participate, and it is difficult for distributed resources in the distribution network to directly participate in power market competition and resource optimization allocation. In addition...

Claims

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Application Information

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IPC IPC(8): H02J3/48H02J3/50H02J3/24
CPCH02J3/48H02J3/50H02J3/24G05B17/02H02J13/00002H02J2203/20H02J3/00Y04S10/30Y04S10/50Y04S40/20Y02E40/70Y02E60/00
Inventor 谭振飞钟海旺夏清康重庆
Owner TSINGHUA UNIV
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