Array-type configuration method for tracking-type photovoltaic devices

A photovoltaic device and tracking technology, applied in image data processing, special data processing applications, instruments, etc.

Active Publication Date: 2014-05-28
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
  • Description
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Problems solved by technology

[0006] Aiming at the problem of reasonable array arrangement of photovoltaic equipment during the construction of phot

Method used

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  • Array-type configuration method for tracking-type photovoltaic devices
  • Array-type configuration method for tracking-type photovoltaic devices
  • Array-type configuration method for tracking-type photovoltaic devices

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Embodiment

[0106] The solution of the present invention is described by taking the construction of a power station of an oblique single-axis tracking photovoltaic device as an example.

[0107] 1. Establish a 3D model of tracking photovoltaic equipment:

[0108] The photovoltaic panel of the equipment is composed of 16 photovoltaic modules, with 6 central axes and 5 symmetrical connections on both sides; the maximum length in the north-south direction is 6.214 meters, and the maximum length in the east-west direction is 5.794 meters. The height is 3.728 meters, and it is installed facing south at a 35-degree inclination. Its 3D modeling effect is shown in Figure 3(a).

[0109] 2. Set the operation mode of tracking photovoltaic equipment:

[0110] Since the photovoltaic panel of the device is installed with an inclination of 35 degrees to the south, it means that it is rotated 35 degrees around the X axis in the XYZ space Cartesian coordinate system of 3D modeling, that is, R X θ=35; d...

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Abstract

The invention discloses an array-type configuration method for tracking-type photovoltaic devices. The array-type configuration method includes the steps of 1), establishing three-dimensional models of the tracking-type photovoltaic devices; 2), establishing rotation transformation models; 3), determining composite rotation transformation models of photovoltaic panels; 4), selecting shadow calculation key points; 5), calculating shadow coordinates of the key points; 6), drawing annual shadow position track lines of the key points and calculating configuration spaces among neighboring photovoltaic devices; 7), acquiring array configuration results of the photovoltaic devices. Complexity in shadow calculation of the tracking-type photovoltaic devices is taken into consideration, shadow transformation matrix models under shining of the sun are structured, the annual shadow position track lines of the key points of the tracking-type photovoltaic devices are calculated and drawn, the minimum configuration spaces among the neighboring photovoltaic devices without shading of shadows are acquired, land occupation area and consumption of building materials for construction of a photovoltaic power station are reduced, and installed capacity and generating efficiency of the photovoltaic power station can be improved.

Description

technical field [0001] The invention discloses a method for arranging photovoltaic equipment in the field of photovoltaic power station construction, and in particular relates to a method for array arrangement of tracking photovoltaic equipment in the construction process of a photovoltaic power station. Background technique [0002] In the construction process of photovoltaic power plants, rational arrangement of photovoltaic power generation equipment is an important design task, which will determine the installed capacity, construction consumables and land occupation area of ​​photovoltaic power plants. An important factor affecting the arrangement of photovoltaic power generation equipment is the shadow occlusion between photovoltaic equipment, which will reduce the power conversion efficiency of photovoltaic equipment. Simply increasing the spacing between photovoltaic devices can avoid shadow shading, but it will increase the construction land and consumables of photov...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06T17/00
Inventor 孔月萍代冰辉许启明景红梅雷红涛路婷婷李欢东
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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