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Distributed photovoltaic cluster monitoring management system and method

A distributed photovoltaic, monitoring and management technology, applied in the monitoring of photovoltaic systems, photovoltaic modules, photovoltaic power generation, etc., can solve the problems of poor stability of power generation systems, large-scale dispersion, difficult power grids, etc., and achieve simple structure, wide application prospects, Design principle Reliable effect

Inactive Publication Date: 2021-01-15
STATE GRID SHANDONG ELECTRIC POWER COMPANY RIZHAOPOWER SUPPLY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, photovoltaic-solar-thermal integrated distributed power generation systems have become the mainstream of development. A large number of distributed power generation is connected to the distribution network. The large amount is scattered, and it is difficult for the power grid to monitor it, which will affect the safety, reliability and stability of the distribution network. Operation and control have many influences
[0003] As a new type of clean energy, distributed photovoltaic power generation depends on the weather, resulting in poor stability of the power generation system. Therefore, effective real-time monitoring and management of distributed photovoltaic power generation is required

Method used

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  • Distributed photovoltaic cluster monitoring management system and method

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Embodiment 1

[0037] The technical solution of the present invention provides a distributed photovoltaic cluster monitoring and management system. The distributed photovoltaic cluster includes several photovoltaic sites, and the system includes a photovoltaic site monitoring and control subsystem, a remote monitoring center, and a management and control subsystem;

[0038] The photovoltaic site monitoring and control subsystem monitors the operating status of the photovoltaic site in real time, and sends the real-time operating data of the photovoltaic site to the remote monitoring center;

[0039] The remote monitoring center monitors and analyzes the real-time operation data of the photovoltaic site, and sends the monitoring data and analysis results to the management control subsystem;

[0040] According to the received monitoring data and analysis results, the management and control subsystem formulates control strategies and sends control instructions to the photovoltaic site detection ...

Embodiment 2

[0056] Such as figure 1 As shown, the technical solution of the present invention also provides a distributed photovoltaic cluster monitoring and management method, including the following steps:

[0057] Step 1: The photovoltaic site monitoring and control subsystem monitors the operating status of the photovoltaic site in real time, and sends the real-time operating data of the photovoltaic site to the remote monitoring center;

[0058] In this embodiment, each photovoltaic site is provided with a solar photovoltaic array; the solar photovoltaic array of each photovoltaic site is connected to a drive circuit, and each drive circuit is connected to a DC cabinet; the drive circuit is connected to the main controller, It is used to output the power adjustment command of the management control subsystem to the drive circuit through the main controller, so as to realize the control adjustment of the photovoltaic site. The DC cabinet is provided with a DC boost circuit, and the D...

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Abstract

The invention provides a distributed photovoltaic cluster monitoring management system and method, wherein a distributed photovoltaic cluster comprises a plurality of photovoltaic stations. The systemcomprises a photovoltaic station monitoring control subsystem, a remote monitoring center and a management control subsystem, wherein the photovoltaic station monitoring control subsystem monitors the operation state of a photovoltaic station in real time and sends real-time operation data of the photovoltaic station to the remote monitoring center, the remote monitoring center monitors and analyzes the real-time operation data of the photovoltaic station, and sends the monitoring data and an analysis result to the management control subsystem, the management control subsystem formulates a control strategy according to the received monitoring data and the analysis result and sends a control instruction to the photovoltaic station detection control subsystem, and the photovoltaic station monitoring control subsystem receives the power adjustment instruction and controls and adjusts the photovoltaic station.

Description

technical field [0001] The invention relates to the technical field of photovoltaic power generation, in particular to a distributed photovoltaic cluster monitoring and management system and method. Background technique [0002] With the large-scale application of distributed power, the proportion of random, fluctuating and intermittent distributed energy in my country's power grid in the future, especially distributed photovoltaics, will become larger and larger, and will even become an indispensable part of the power grid. . The development of solar distributed power generation systems is the development trend of smart cities. Photovoltaic power generation and solar thermal power generation are two different forms of solar power generation. In recent years, photovoltaic-solar-thermal integrated distributed power generation systems have become the mainstream of development. A large number of distributed power generation is connected to the distribution network. The large am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S50/00H02J13/00H02J3/00
CPCH02S50/00H02J3/004H02J13/00001H02J13/00002H02J13/00032H02J2300/22Y02E10/50
Inventor 于安迎卢芳焦健赵霞扈佃爱孔德群于青高芳梁伟刘祥波刘玲罗潇
Owner STATE GRID SHANDONG ELECTRIC POWER COMPANY RIZHAOPOWER SUPPLY
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