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Calculation method of access capacity of distributed power generation with energy storage distribution network based on opendss

A distributed power supply and access capacity technology, which is applied in the field of calculation of distributed power access capacity based on OpenDSS with energy storage and distribution networks, can solve problems not mentioned, improve the level of planning, reduce adverse effects, and promote reasonable The effect of development

Active Publication Date: 2022-04-12
STATE GRID JIANGSU ECONOMIC RES INST +1
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Problems solved by technology

However, the current research has not yet mentioned the calculation method of the maximum access capacity of distributed power under the new situation of energy storage equipment connected to the distribution network

Method used

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  • Calculation method of access capacity of distributed power generation with energy storage distribution network based on opendss
  • Calculation method of access capacity of distributed power generation with energy storage distribution network based on opendss
  • Calculation method of access capacity of distributed power generation with energy storage distribution network based on opendss

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Embodiment Construction

[0078] The method for calculating the admittance capacity of distributed power sources with energy storage and distribution networks based on OpenDSS of the present invention will be described in detail below in conjunction with the embodiments and drawings.

[0079] Such as figure 1 As shown, the OpenDSS-based distributed power access capacity calculation method of the present invention includes the following steps:

[0080] 1) Establish a distributed power generation model. The timing output of distributed power generation is uncertain, and its output is significantly affected by the intensity of sunlight, while the output of photovoltaics is proportional to the intensity of sunlight. Therefore, the distributed power model includes the probability distribution of the intensity of sunlight model and the probability distribution model of photovoltaic output power; where,

[0081] The probability distribution model of the solar illumination intensity described in (1.1) is:

...

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Abstract

An OpenDSS-based calculation method for distributed power access capacity with energy storage distribution network, including: establishing a distributed power model, including the probability distribution model of sunlight intensity and the probability distribution model of photovoltaic output power; using multi-scenario technology to determine distributed power Typical curve of power supply; establishment of a distributed power access capacity model based on double-layer optimization; solving the distributed power access capacity model based on double-layer optimization based on genetic algorithm. The present invention can provide an important basis for the access of distributed power sources in the distribution network with energy storage, and based on this, the distribution network planning can reduce the adverse effects of distributed power sources on the distribution network, which is conducive to improving the Urban distribution network planning level, promote the reasonable development of urban active distribution network.

Description

technical field [0001] The invention relates to a method for calculating the admission capacity of distributed power sources. In particular, it involves an OpenDSS-based calculation method for the access capacity of distributed power sources with energy storage and distribution networks that is suitable for distributed power access and planning. Background technique [0002] In recent years, distributed power in the form of wind energy, solar energy, fuel cells, cogeneration, etc., as an ideal way to comprehensively utilize existing resources, has increasingly attracted the attention of electric energy departments and researchers. Distributed power generation refers to small and medium-sized power generation equipment installed on the user side or in the distribution network, generally ranging from a few kilowatts to 50MW. It can independently supply electric energy for a small number of users, and can also be connected to the distribution network system to provide electric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/06H02J3/46H02J3/28
CPCH02J3/06H02J3/28H02J3/46Y02E70/30Y02E10/56
Inventor 韩俊黄河高松刘洪蔡超王娜陈曦王亦然武跃峰
Owner STATE GRID JIANGSU ECONOMIC RES INST
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