Intelligent regional microgrid system and control method thereof

A micro-grid and regional technology, applied in the direction of system integration technology, information technology support system, current collectors, etc., can solve problems such as inability to be popularized and applied universally, single function, poor compatibility, etc., to achieve rich functions and safe High performance, automatic adjustment of simulated load

Pending Publication Date: 2020-04-21
北京科诺伟业科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this kind of system can meet the needs of some users, but its function is relatively single, the compatibility is not good, and it cannot be popularized and applied universally. Therefore, it is necessary to design an intelligent regional microgrid system and its control method

Method used

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  • Intelligent regional microgrid system and control method thereof
  • Intelligent regional microgrid system and control method thereof
  • Intelligent regional microgrid system and control method thereof

Examples

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Embodiment 1

[0052] Such as figure 1, AC-DC hybrid microgrid is composed of a three-phase 380V AC busbar and a DC800V DC busbar. The AC busbar is composed of 10kW monocrystalline silicon (that is, a monocrystalline silicon power generation system), 10kW polycrystalline silicon, 3kW amorphous silicon, and 3kW wind power generation Unit, 10kW simulated diesel generator set, simulated fault system, user load and 30kW simulated load, the DC bus is composed of 4kW monocrystalline silicon, 4kW polycrystalline silicon, 50kWh lithium iron phosphate battery energy storage, 50kW 10s supercapacitor energy storage, The simulated fault system, the user's DC load and the 20kW DC simulated load are composed. The AC-DC bus is connected through a 50kW energy storage converter and then connected to the grid through the Point of Common Coupling (Point of Common Coupling) PCC.

[0053] The AC-DC hybrid microgrid is composed of an AC bus and a DC bus. The AC bus is three-phase 380V. The AC bus is connected wit...

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Abstract

The invention discloses an intelligent regional microgrid system and a control method thereof. The intelligent regional microgrid system comprises a 380V three-phase AC microgrid, a 600V DC microgridand an isolation transformer. The 380V AC bus in the 380V three-phase ACt microgrid is connected with a power distribution network through an electrical switch and the isolation transformer in sequence; the 600V DC microgrid is connected with he 380V ACt bus through 50KW bidirectional AC / DC equipment; the 380V three-phase AC microgrid is connected with monocrystalline silicon solar equipment, polycrystalline silicon solar equipment, amorphous silicon solar equipment, a miniature wind driven generator and a diesel generator. The 600V DC microgrid is connected with the monocrystalline silicon solar equipment, the polycrystalline silicon solar equipment, an iron lithium battery and a super capacitor. A multi-model prediction multi-agent distributed control method is adopted. The intelligent regional microgrid system is simple in structure, capable of monitoring various parameters and rich in function.

Description

technical field [0001] The invention relates to an intelligent regional micro-grid system and a control method thereof. Background technique [0002] Existing power generation and energy storage systems generally only have a single type of power generation equipment and a single type of energy storage equipment, and feed back excess electric energy to the grid. Although this kind of system can meet the needs of some users, its functions are relatively single, and its compatibility is not good, so it cannot be popularized and applied universally. Therefore, it is necessary to design an intelligent regional microgrid system and its control method. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art, and propose an intelligent regional microgrid system, which has a high degree of integration and is compatible with various power generation equipment. [0004] Technical solution of the present invention is as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J4/00H02J5/00H02J1/10H02J3/38H02J7/34H02J7/35H02J13/00
CPCH02J4/00H02J5/00H02J3/381H02J1/10H02J7/345H02J7/35Y04S10/123Y02E40/70
Inventor 肖祥慧许洪华赵斌付勋波
Owner 北京科诺伟业科技股份有限公司
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