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Network equipment statistics and calculation method of network loss based on online theoretical network loss calculation

A Network Loss, Theoretical Technology

Inactive Publication Date: 2014-10-22
STATE GRID HEBEI ELECTRIC POWER CO LTD +1
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Problems solved by technology

With the continuous and rapid development of the power grid in recent years, this method has been difficult to meet the requirements of online theoretical network loss calculation
The grid structure and equipment of the power grid are in the process of rapid development and change. In order to ensure the accuracy of the online theoretical network loss calculation of the power grid, a large amount of manpower must be spent on maintenance work, resulting in inaccurate online network loss analysis and calculation results.
From the published literature, there is no systematic method to solve this problem

Method used

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  • Network equipment statistics and calculation method of network loss based on online theoretical network loss calculation

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Embodiment Construction

[0037] The method of grid equipment statistics and calculation of network loss based on online theoretical network loss calculation proposed by the present invention is described in detail as follows in conjunction with embodiments:

[0038] In this method, the calculation cycle is determined in advance, and the calculation cycle of the general power grid theoretical network loss calculation ranges from 0.5 minutes to 5 minutes, and this cycle can be manually set according to actual conditions and needs;

[0039] This method includes:

[0040] 1) The establishment of gateway equipment within the scope of online theoretical network loss calculation and statistical calculation includes the following steps:

[0041] 1.1) If the boundary equipment within the jurisdiction of the grid company is a transmission line, designate the line as a gateway line, and at the same time specify the location of the gateway as the head station of the line or the end station of the line, and specif...

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Abstract

The invention belongs to the technical field of analysis and computation of transmission losses of the power grid in the electric system and particularly relates to a method for counting equipment of the power grid and computing transmission losses on the basis of on-line theoretical transmission loss computation. The method includes: building gate circuits or gate transformers at the boundary of a domination area of a power grid company, automatically counting and updating circuits and transformers involved in the on-line theoretical transmission loss computation on the basis of the topological structure of the power grid, and accordingly, computing distribution of theoretical transmission losses and computing policy for reducing losses. By the method, all equipment involved in transmission loss computation can be automatically determined by manually maintaining the gate circuits and the transformers at the boundary of the domination area of the power grid company only. Besides, when the method is compared with the conventional manner of manual maintenance, work load is greatly reduced, the method can adapt to change of the power grid structure automatically, and availability and accuracy of on-line theoretical transmission loss computation and loss reduction policies for the power grid are improved.

Description

technical field [0001] The invention belongs to the technical field of grid network loss analysis and calculation in electric power systems, and in particular relates to a loss reduction calculation method for automatically determining equipment participating in statistics in online theoretical network loss calculation of power grids. Background technique [0002] Electric energy is a secondary energy obtained from primary energy conversion, which can be converted into mechanical energy, thermal energy, magnetic energy, etc. With the development of society, electric energy has become the lifeblood of the development of the national economy, and its application has penetrated into various fields of production and life. With the rapid increase of power transmission in the power grid, the active power loss of the power grid (hereinafter referred to as network loss) also increases significantly. Taking 2007 as an example, China's annual power generation was about 3.3 trillion k...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00G06Q50/06H02J3/00
Inventor 王铁强汤磊贾京华王鹏王瑞欣陈志永赵自刚程伦高泽明
Owner STATE GRID HEBEI ELECTRIC POWER CO LTD
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