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A method for evaluating power supply capacity of regional distribution network

A technology of power supply capacity and evaluation method, which is applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve problems such as the rough capacity-load ratio method, and achieve a more orderly development effect

Active Publication Date: 2022-04-05
CHINA ELECTRIC POWER RES INST +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Among the methods based on the safe and reliable operation of the distribution network, the relatively rough method is the capacity-load ratio method, which reflects the power supply capacity of the distribution network as a whole by calculating the capacity-load ratio; The calculation method of power supply capacity of the power grid is mainly based on the interconnection relationship of the main transformer and the load transfer between substations, etc., to investigate the load transfer capacity of the distribution network under the N-1 verification. And it is mainly developed for the main transformer level, and less involved in the power supply capacity of other types of equipment

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  • A method for evaluating power supply capacity of regional distribution network
  • A method for evaluating power supply capacity of regional distribution network
  • A method for evaluating power supply capacity of regional distribution network

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Embodiment Construction

[0051] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0052]The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not ...

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Abstract

The invention relates to a method for evaluating the power supply capacity of a regional distribution network, comprising the following steps: Step 1: Establishing an evaluation index system for the power supply capacity of main equipment in the distribution network; Step 2: Establishing an evaluation index system for the overall power supply capacity of equipment on the same layer; Step 3 : Establish the power supply capability evaluation index system of power distribution system; the technical solution provided by the invention aims at establishing a power supply capability evaluation system from single equipment to power distribution system based on less topological information, aiming at single equipment, same-layer equipment and The power supply capacity evaluation model is proposed for the three levels of the power distribution system, and each level includes three evaluation indicators, namely, the maximum power supply capacity, the power supply capacity reserve, and the power supply capacity margin.

Description

technical field [0001] The invention relates to the field of power supply capability of a distribution network, in particular to a method for evaluating the power supply capability of a regional distribution network. Background technique [0002] The power supply capacity of the distribution network refers to the ability of the distribution network to carry loads under the premise of ensuring safe operation. Solving the problem of weak power supply capacity of the distribution network is an urgent task for the development of the power grid. Therefore, a scientific and reasonable evaluation of the power supply capacity of the distribution system (ie, load supply capacity) has become the key to the fine evaluation and planning of the current power grid. [0003] In the existing research, there are mainly two types of calculation methods for the power supply capacity of the distribution system, namely, the method based on the power flow calculation of the distribution network a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06H02J3/00
CPCH02J3/00H02J2203/20Y02E40/70Y04S10/50
Inventor 马丽陈海崔艳妍刘伟苏剑王健王一清刘苑红李国良王军林建军刘军苑帅梁云丹王英涛秦萱
Owner CHINA ELECTRIC POWER RES INST
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