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Digital physical simulation platform and method of DC microgrid including wind turbine and photovoltaic power generation

A DC micro-grid and digital physics technology, applied in data processing applications, design optimization/simulation, special data processing applications, etc., can solve problems that cannot be solved, cannot meet the challenges of urban smart grids, etc., and achieve strong load capacity, Good anti-interference, reduce loss and failure rate effect

Active Publication Date: 2021-07-09
STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT
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AI Technical Summary

Problems solved by technology

As far as the current stage is concerned, only using the AC distribution network can no longer solve a series of problems in the current distribution network, let alone meet the challenges of the future urban smart grid.

Method used

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  • Digital physical simulation platform and method of DC microgrid including wind turbine and photovoltaic power generation
  • Digital physical simulation platform and method of DC microgrid including wind turbine and photovoltaic power generation
  • Digital physical simulation platform and method of DC microgrid including wind turbine and photovoltaic power generation

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Embodiment Construction

[0027] One, first introduce the principle of the present invention to build the platform:

[0028] DC microgrid refers to an independent controllable system that connects all micro power sources through a common DC bus in the form of DC power distribution, and can provide local power. There are three topologies of DC microgrids: ring, radial, and power distribution at both ends. Since the radial DC microgrid has the advantages of clear logical structure and easy implementation, this model constructs a radial DC microgrid. The topology of the radial DC microgrid system is as follows: figure 1 shown.

[0029] The DC microgrid is mainly composed of three parts: micro power supply, interface device and load. Among them, the micro-power supply includes photovoltaic power generation in the form of DC power generation, wind turbines in the form of AC power generation, and energy storage devices, which are responsible for providing electric energy for the DC micro-grid; the interfa...

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Abstract

The invention relates to a DC micro-grid digital physical simulation platform and simulation method including wind turbines and photovoltaic power generation. The DC micro-grid digital physical simulation platform includes LabVIEW and StarSim software development platform and NI PXI platform; the LabVIEW and StarSim simulation development platform Used to develop the software simulation model of the DC microgrid and create the user interface; the NI PXI platform is used for measurement and control. Therefore, this paper establishes an isolated microgrid digital physical simulation platform to improve the simulation speed and optimize the simulation effect, so as to study the simulation platform for the stable operation of the isolated microgrid system.

Description

technical field [0001] The invention relates to a digital physical simulation platform and method of a DC micro-grid including a fan and photovoltaic power generation, and belongs to the technical field of micro-grid simulation experiments. Background technique [0002] With the continuous development of the economy and the acceleration of urbanization, not only our daily urban load is increasing rapidly, but also our requirements for the reliability and quality of power supply are gradually increasing. The existing distribution network is basically composed of AC distribution network. It has many advantages such as rapid and easy voltage conversion and mature protection technology. It will also be the main form of distribution network for a period of time in the future. However, with the depletion of non-renewable resources and the gradual progress of science and technology, more and more distributed power sources will be applied and connected to the distribution network. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06Q50/06
CPCG06Q50/06G06F30/20Y02E60/00
Inventor 胡瑛俊徐韬姚力沈建良吕几凡
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO MARKETING SERVICE CENT
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