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Distributed power supply intelligent control device

A technology of distributed power supply and intelligent control, applied in circuit devices, photovoltaic power generation, electrical components, etc., can solve problems such as circuit instability, potential safety hazards, circuit system failures, etc., and achieve the effect of improving utilization efficiency and ensuring safety

Pending Publication Date: 2022-03-04
SHANGHAI HOLLEYSOFT SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a distributed power intelligent control device to solve the problem that circuit instability caused by distributed power or public power grid failure will lead to circuit system failure, and in serious cases, there will be safety hazards

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Embodiment Construction

[0020] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] The present invention provides such Figure 1-Figure 2 The distributed power intelligent control device shown includes a distributed power supply system 1 and a grid, the grid is composed of a high-voltage network 2, a medium-voltage network 3 and a low-voltage network 4, and the high-voltage network 2 and the low-voltage network 4 Transformer transmission circuits 5 are arranged between them, and transformers 6 are connected in series on the voltage transformation transmission circuits 5. The connection end of the power grid is provided with a grid management master station 7 for managing the power grid, and the connection end of the grid management master station 7 is connected by communication. There is a control terminal 8. The distrib...

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Abstract

The invention discloses a distributed power supply intelligent control device which comprises a distributed power supply system and a power grid, the power grid is composed of a high-voltage network, a medium-voltage network and a low-voltage network, and transformation transmission circuits are arranged between the high-voltage network and the medium-voltage network and between the low-voltage network and the medium-voltage network. According to the invention, redundant energy is merged into a power grid through a plurality of distributed power supply systems, a reactive compensation module is arranged to compensate unstable voltage in a high-low voltage distribution line of a grid-connected circuit, and the stability of merged current of the grid-connected circuit is monitored in real time, so that the grid-connected circuit is interrupted when a certain parameter is abnormal; functions of automatic acquisition, signal conditioning, analog-to-digital conversion and data preprocessing of state parameters of monitored equipment are realized, on-site digitalization and caching of the monitored parameters are realized, a monitoring result can be sent to a control terminal through a communication module according to needs, a power grid management master station is timely contacted, a fault is cooperatively checked, and the system is rapidly maintained. Therefore, the safety of the distributed power supply system is ensured, and the utilization efficiency of energy is improved.

Description

technical field [0001] The invention relates to the technical field of distributed power sources, in particular to an intelligent control device for distributed power sources. Background technique [0002] The energy crisis and climate deterioration have led to the rapid development of distributed power sources including photovoltaic power generation, wind power generation and other renewable green power sources (intermittent power sources). Distributed power sources such as photovoltaic power generation and wind power generation are non-polluting and rich in resources. They are photovoltaics that can best meet human needs. They can meet the growing demand for electricity and have great development value. [0003] Usually the distributed power supply is connected to the public power grid and supplies power to the load connected to the public power grid through the public power grid. When the public power grid fails or the power generation capacity of the distributed power su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00H02J3/18
CPCH02J13/00001H02J13/00004H02J13/00002H02J13/00032H02J13/00022H02J3/1821H02J2300/24H02J2300/28H02J2300/22Y02E10/56Y02E40/30Y02E40/70Y02E60/00Y04S10/40Y04S10/50Y04S40/126
Inventor 汪鹏敏綦孝文张婷婷麻萍叶冯永发王铭涔黎成果
Owner SHANGHAI HOLLEYSOFT SYST
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