A regional autonomy capability evaluation method for distribution network with dg

A distribution network and capacity technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve serious problems, high pollutant emissions, energy waste and environmental pollution, and achieve the effect of reducing load reduction

Active Publication Date: 2022-07-12
SOUTHEAST UNIV
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Problems solved by technology

[0002] Sustained economic and social development is inseparable from sufficient energy supply, while the traditional energy system has low efficiency and high pollutant emissions, leading to more serious energy waste and environmental pollution

Method used

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  • A regional autonomy capability evaluation method for distribution network with dg
  • A regional autonomy capability evaluation method for distribution network with dg
  • A regional autonomy capability evaluation method for distribution network with dg

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Embodiment Construction

[0106] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0107] A regional autonomy capability evaluation method with DG distribution network, such as figure 1 and 2 shown, including the following steps:

[0108] Step (1.1), input the basic parameters of distributed energy, load, line, protection device and other elements in the distribution network;

[0109] Step (1.2), establish an extreme wind disaster event model, and based on the distribution network tree model, carry out disaster i...

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Abstract

The invention discloses a method for evaluating the regional autonomy capability of a DG distribution network, which relates to the field of power supply and includes the following steps: (1) inputting basic data of elements such as lines, protection devices, distributed energy resources, and loads in the distribution network; ( 2) Build an extreme wind disaster event model and a disaster impact assessment model; (3) Build a distributed energy output and load demand model in the distribution network; (4) Build an optimal recovery of load nodes and systems under extreme wind disaster events (5) Based on the state of load nodes and systems under simulated extreme events, construct load and system regional autonomy capability indicators.

Description

technical field [0001] The invention relates to the field of power supply, in particular to a method for evaluating the regional autonomy capability of a DG distribution network. Background technique [0002] Sustainable economic and social development is inseparable from sufficient energy supply, while traditional energy systems have low efficiency and high pollutant emissions, resulting in more serious energy waste and environmental pollution. In recent years, my country has achieved remarkable results in optimizing and adjusting the energy consumption structure, and the energy industry has taken a big step towards high-quality development. As one of the important channels of energy transmission, the power supply reliability of the power grid has once again attracted people's attention. In recent years, power outages caused by extreme events have often occurred all over the world, and the negative impact on economic production and social stability has penetrated into all ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00
CPCH02J3/00H02J2203/20Y04S10/50
Inventor 陈丽娟夏艺刘丽
Owner SOUTHEAST UNIV
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