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Double-purpose micro-grid system structure used for power supply and experiment

A micro-grid and experimental technology, applied in the field of power distribution network, can solve the problems of laboratory micro-grid power waste and other problems, and achieve the effect of reliable guarantee and reasonable design

Active Publication Date: 2012-12-12
TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0004] Judging from the development of existing technologies, the construction of engineering microgrids or laboratory microgrids usually only solves their respective goals, that is, the engineering microgrid will affect its normal user power supply during experiments, and the power of laboratory microgrids can only be used in experiments. or is wasted in closing

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  • Double-purpose micro-grid system structure used for power supply and experiment

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Embodiment Construction

[0014] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0015] A microgrid system structure for both power supply and experiment, such as figure 1 As shown, including microgrid power supply, conventional load, simulated load, microgrid grid-connected switch, conventional mode switch and experimental mode switch. The microgrid power supply is connected to the conventional load and the simulated load through the busbar. A normal mode switch is set on the busbar between the microgrid power supply and the conventional load, and an experimental mode switch is set on the busbar between the microgrid power supply and the simulated load. The bus connected to the conventional load is connected to the external power grid through a micro-grid grid-connected switch.

[0016] In this embodiment, the micro-grid power supply includes power generation equipment such as fans, micro-gas turbines, photovoltaic generators...

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Abstract

The invention relates to a double-purpose micro-grid system structure used for power supply and experiment. The micro-grid system structure comprises a micro-grid power source, a conventional load, a simulated load and a micro-grid grid-connected switch, wherein the micro-grid power source is connected with the conventional load and the simulated load through buses; the main technical characteristics of the micro-grid system structure are that: the bus between the micro-grid power source and the conventional load is provided with a conventional mode switch; the bus between the micro-grid power source and the simulated load is provided with an experiment mode switch; and the bus connected with the conventional load is connected with an external power grid through the micro-grid grid-connected switch. The micro-grid system structure has rational design; the function of switching between an experiment micro-grid system and a power supply micro-grid system is realized through the conventional mode switch and the experiment mode switch; and the requirements of experiment and power supply are met; and reliable guarantee is provided for the construction of a micro-grid system.

Description

technical field [0001] The invention belongs to the field of power distribution network, in particular to a micro-grid system structure for both power supply and experiment. Background technique [0002] In order to integrate the advantages of distributed generation and weaken the impact and negative impact of distributed generation on the grid, CERTS (Consortium for Electrical Reliability Technology Solutions) proposed a micro grid (MicroGrid) that can better exploit the potential of distributed generation , CERTS positions the micro grid as a collection of composite and micro energy sources that can operate as a single system to provide heat and electricity. [0003] At present, the preliminary theories and methods of the US CERTS microgrid have been successfully verified in the Walnut microgrid test base of the American electric power company, and the Mad River microgrid has verified the system's modeling and simulation methods, protection and control strategies, and econ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02J9/04
Inventor 李达葛少云申刚穆晓东刘玮
Owner TIANDAQIUSHI ELECTRIC POWER HIGH TECH CO LTD
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