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A distributed photovoltaic access method based on cluster analysis

A distributed photovoltaic and access method technology, applied in photovoltaic power generation, sustainable buildings, climate sustainability, etc., can solve problems such as line load imbalance, grid quality exceeding the allowable deviation range, etc., and achieve safe and reliable access. Effect

Active Publication Date: 2020-09-18
STATE GRID ZHEJIANG JIANDE POWER SUPPLY +1
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Problems solved by technology

However, large-scale distributed photovoltaic power generation access will have a greater impact on power grid planning, construction, operation and maintenance, and safe and stable operation. The quality of the grid exceeds the allowable deviation range and the load imbalance of the line, so as to promote the friendly development of distributed photovoltaic access to the grid is the key to the current research

Method used

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  • A distributed photovoltaic access method based on cluster analysis
  • A distributed photovoltaic access method based on cluster analysis
  • A distributed photovoltaic access method based on cluster analysis

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[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", "vertical", "horizontal", " Words such as "top", "bottom", etc. indicating orientation or positional relationship are only based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device / element must have a specific orientation or are constructed and operative in a particular orientation and therefore are not to be construed as limiting the invention.

[0042] Such as figure 1 As shown, the present invention provides a distributed photovoltaic access method based on cluster analysis, comprising the following steps:

[0043] S100. Evaluate the total amount of ...

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Abstract

The invention provides a distributed photovoltaic access method based on cluster analysis. The method comprises the following steps: S100, evaluating the total amount of distributed photovoltaic resources through satellite aerial photographing and site investigations, and dividing roofs into photovoltaic roofs and ordinary roofs; S200, creating a distributed photovoltaic roof scale map; S300, carrying out the cluster analysis according to the distributed photovoltaic roof scale map to initially determine positions of distributed photovoltaic socket points; S400, carrying out full-load distributed photovoltaic access to the distributed photovoltaic socket points, judging whether effects on the voltage quality, harmonic waves, short-circuit currents and the load rate of a power grid meet indicator requirements or not, and carrying out the cluster analysis again to optimize the positions of the distributed photovoltaic socket points for the distributed photovoltaic access if the effects do not meet the indicator requirements; S500, finally determining the positions of the distributed photovoltaic socket points according to factors such as an actual environment and geographical assetsof a site; and S600, carrying out the distributed photovoltaic access through the distributed photovoltaic socket points, so that the distributed photovoltaic access is safe and reliable.

Description

technical field [0001] The invention relates to a distributed photovoltaic access method, in particular to a distributed photovoltaic access method based on cluster analysis. Background technique [0002] As a typical clean and renewable resource, distributed photovoltaic has developed rapidly in recent years due to its rich resources and wide application range. For industrial parks with good roofs, distributed photovoltaic power generation is favored by investors. However, large-scale distributed photovoltaic power generation access will have a greater impact on power grid planning, construction, operation and maintenance, and safe and stable operation. The quality of the power grid exceeds the allowable deviation range and the problem of unbalanced line load, so as to promote the friendly development of distributed photovoltaic access to the power grid is the key to current research. Contents of the invention [0003] The purpose of the present invention is to provide ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38
CPCH02J3/383H02J2203/20Y02B10/10Y02E10/56
Inventor 孙志鹏朱卫东吴烨军叶刚进胡伟常诚李建明徐驰名杨翾陈逸川曾飞雷瑾马骥陆海波池建飞王森师玉东何民李建芝郭正欣
Owner STATE GRID ZHEJIANG JIANDE POWER SUPPLY
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