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Coordinated operation method of data transmission congestion of multiple photovoltaic power stations

A photovoltaic power station and data transmission technology, applied in photovoltaic power generation, digital transmission systems, transmission systems, etc., can solve problems such as difficulties in accurate prediction, intermittent instability of solar photovoltaics, difficulties in intelligent control of power grid dispatching, etc., to solve congestion problems , Improve the effect of utilization efficiency and processing speed

Active Publication Date: 2018-02-23
STATE GRID QINGHAI ELECTRIC POWER +2
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Problems solved by technology

However, as a new energy source, solar photovoltaic power generation is intermittent and unstable, and its accurate prediction has certain difficulties, which also brings difficulties to the intelligent control of power grid dispatching, especially when data transmission of multiple photovoltaic power plants

Method used

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  • Coordinated operation method of data transmission congestion of multiple photovoltaic power stations
  • Coordinated operation method of data transmission congestion of multiple photovoltaic power stations
  • Coordinated operation method of data transmission congestion of multiple photovoltaic power stations

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Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] A coordinated operation method for data transmission congestion of multiple photovoltaic power stations, such as figure 1 Shown, the specific steps:

[0036]Step 1: According to the actual operating status, specific dynamic performance, and local geographical conditions of different photovoltaic power stations, based on the data transmitted from photovoltaic power stations to the dispatching center, select the parameter indicators that affect the priority classification of photovoltaic power stations;

[0037] The selected parameter indicators include the geographical distance L between each photovoltaic power station and the dispatching station i , the power gene...

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Abstract

The invention provides a coordinated operation method of data transmission congestion of multiple photovoltaic power stations, and relates to the field of power grid dispatching. The coordinated operation method of data transmission congestion of multiple photovoltaic power stations comprises the steps of analyzing and calculating parameters which affect data priority classification and then describing the initial dynamic priority of the data of each photovoltaic power station by using a function; building an optimal distribution function by combining with environment parameters of each photovoltaic power station which affect the data transmission and a power generation power coefficient and setting a suitable priority threshold value; comparing the optimal distribution function value of the data transmission with the priority threshold set value to finish the priority classification; and finally realizing priority distribution of the overall data of each photovoltaic power station. According to the coordinated operation method of data transmission congestion of multiple photovoltaic power stations, the data with high priority are processed preferentially, the data congestion problem is solved and the utilization efficiency and the processing speed of the information data of each photovoltaic power station are improved.

Description

technical field [0001] The invention relates to the technical field of grid dispatching, in particular to a coordinated operation method for data transmission congestion of multiple photovoltaic power stations. Background technique [0002] At present, with the gradual heating up of the topic of environmental protection, the development of new energy has become a key project of energy development. Solar energy, as the most representative new energy, has become a strategic focus of energy development. In the safe operation system of the power grid, the photovoltaic power station should be able to transmit remote information to the power system dispatcher, upload the photovoltaic power generation power prediction parameters, power quality information, sunlight intensity, sun incidence angle, and installation of photovoltaic arrays in the photovoltaic power station. Environmental parameters such as angle, conversion efficiency, atmospheric pressure, temperature, and some random...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/927H02J3/38H02J13/00H04L47/80
CPCH02J3/383H02J13/0017H04L47/805H04L67/12Y04S10/123Y02B10/10Y02E10/56Y02E40/70
Inventor 李春来杨金路滕云左浩张海宁孙鹏张玉龙程珊珊
Owner STATE GRID QINGHAI ELECTRIC POWER
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