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Planning electric network loss analyzing and computing method

A calculation method and network loss technology, applied in the direction of calculation, electrical components, circuit devices, etc., can solve the problems of network loss analysis and calculation of power grids that cannot be planned, and achieve the effect of reducing network loss

Active Publication Date: 2012-11-21
STATE GRID HEBEI ELECTRIC POWER RES INST +2
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AI Technical Summary

Problems solved by technology

However, the current real-time power grid network loss analysis system obtains the power grid model and real-time data from the EMS system, periodically performs state estimation, and conducts theoretical analysis and auxiliary decision-making on the network loss of equipment such as power grid lines and transformers within a selected range. Power grid loss analysis and calculation

Method used

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  • Planning electric network loss analyzing and computing method
  • Planning electric network loss analyzing and computing method
  • Planning electric network loss analyzing and computing method

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Embodiment Construction

[0030] Examples (see figure 1 , 2 ):

[0031] This embodiment is completed on the basis of the real-time power grid network loss analysis system of the EMS system, using the planned state power grid network loss analysis system; the real-time power grid network loss analysis system includes a real-time power grid model and real-time power grid network loss analysis software; The network loss analysis system of the planned state power grid includes the planned state power grid model and the network loss analysis software of the planned state power grid;

[0032] The specific steps are as follows:

[0033] (1) Establish the planned grid model:

[0034] Obtain the real-time power grid model and data through the EMS system, add new equipment on the basis of provincial and local real power grids, and establish a planning state power grid model; the planning state power grid model includes real-time data obtained from the EMS system A grid model and a newly added planned grid mo...

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Abstract

The invention relates to a planning electric network loss analyzing and computing method, which is completed by a planning electric network loss analysis system on the basis of a real-time electric network loss analysis system of an EMS system. The real-time electric network loss analyzing system comprises a real-time electric network mold and a real-time electric network loss analysis software; the planning electric network loss analysis system comprises a planning electric network mold and a planning electric network loss analysis software; the planning electric network loss analyzing and computing method comprises the following steps of: (1) establishing the planning electric network mold; (2) performing measurement mapping and state estimation on the planning electric network mold; (3) initializing the planning electric network loss mold and establishing a network loss statistical region given by a user; and (4) analyzing and computing the planning electric network loss. The planning electric network loss analyzing and computing method can accurately compute the loss of a planning electric network, and has the significance for scientifically assessing economic benefit and rationally arranging the operation mode of a power system.

Description

technical field [0001] The invention relates to a network loss analysis and calculation method of a planned power grid. technical background [0002] The network loss of the power system is an important economic index in the operation of the power system. Accurately calculating the loss of the power network is of great significance for scientifically assessing economic benefits and rationally arranging the operation mode of the power system. Most of the current power grid loss analysis systems are real-time power grid loss analysis systems based on EMS systems, which can provide real-time power calculation and network loss statistics storage functions. The real-time power grid network loss analysis system performs power flow calculation, network loss analysis and calculation, and network loss sensitivity calculation based on the power grid model. effective way. [0003] In order to meet the requirements of power grid development planning, it is necessary to compare and ana...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00H02J3/00
Inventor 王晓蔚范辉王鹏
Owner STATE GRID HEBEI ELECTRIC POWER RES INST
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