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On-line Monitoring Method and System for Photovoltaic Power Stations Based on Reduced Order-Distributed Cloud Algorithm

A photovoltaic power station, distributed technology, applied in the direction of photovoltaic power generation, system integration technology, information technology support system, etc., can solve the problem of not being able to display the stable operation of the power station

Active Publication Date: 2020-11-06
SHANGHAI JIAOTONG UNIV +1
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  • Description
  • Claims
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Problems solved by technology

[0003] Therefore, this real-time observation method in the prior art (the Chinese patent application number "CN201810792077.5", which discloses "monitoring method and system for photovoltaic power plants") can observe the operating information of photovoltaic power plants in real time, but Cannot show potential threats to the stable operation of the power station

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  • On-line Monitoring Method and System for Photovoltaic Power Stations Based on Reduced Order-Distributed Cloud Algorithm
  • On-line Monitoring Method and System for Photovoltaic Power Stations Based on Reduced Order-Distributed Cloud Algorithm
  • On-line Monitoring Method and System for Photovoltaic Power Stations Based on Reduced Order-Distributed Cloud Algorithm

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[0066] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0067] Such as figure 1 and figure 2 As shown, this embodiment provides a method for online monitoring of photovoltaic power plants based on the reduced-order-distributed cloud algorithm, including:

[0068] Mathematical model establishment steps: establish a mathematical model of the photovoltaic power station based on the mathematical model of the power generation unit of a single inverter;

[0069] Model processing steps: according to the peripheral factors (including light intensity, geographical...

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Abstract

The present invention provides an on-line monitoring method and system for a photovoltaic power station based on a reduced-order-distributed cloud algorithm, comprising: a mathematical model establishment step: establishing a mathematical model of a photovoltaic power station based on a mathematical model of a power generation unit of a single inverter; model processing Steps: Process the mathematical model of the photovoltaic power station in blocks according to external factors; step of block reduction: after the photovoltaic power station is started up and running, input the sampled data monitored in real time into the mathematical model of the photovoltaic power station to obtain the state matrix, and The state matrix is ​​divided into blocks to obtain multiple sub-blocks; the step of assigning calculations: assigning the obtained sub-blocks to different virtual workstations for calculation, and summarizing and outputting the calculation results. The invention can track and solve changing large-scale matrix eigenvalues ​​accurately and in real time, and realize real-time monitoring of the operation status of large-scale photovoltaic power plants.

Description

technical field [0001] The invention relates to the field of power station monitoring, in particular to an online monitoring method and system for a photovoltaic power station based on a reduced-order-distributed cloud algorithm. Background technique [0002] At present, many real-time photovoltaic power station monitoring methods and systems can realize real-time monitoring of location information, power generation information, and weather information of large-scale photovoltaic power stations, but they are all judged based on real-time data results, and cannot detect potential errors of photovoltaic power stations. stable mode. There are inevitable gaps in the treatment and prevention of oscillation accidents. [0003] Therefore, this real-time observation method in the prior art (the Chinese patent application number "CN201810792077.5" discloses "monitoring method and system for photovoltaic power plants") can observe the operating information of photovoltaic power plant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38H02J13/00G06F30/20
CPCH02J3/383H02J13/0006G06F30/20H02J2203/20Y02E10/56Y04S10/123Y02E40/70
Inventor 解大刘秋男
Owner SHANGHAI JIAOTONG UNIV
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