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Photovoltaic power generation planning method for photovoltaic power generation system

A technology of photovoltaic power generation system and power generation, which is applied in information technology support system, calculation, electrical digital data processing, etc., and can solve problems such as there are no practical precedents

Active Publication Date: 2016-09-28
SHANGHAI ELECTRIC POWER DESIGN INST +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The industry now has different views on the various sub-coefficients that make up the comprehensive efficiency coefficient K, and there is even no practical precedent

Method used

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  • Photovoltaic power generation planning method for photovoltaic power generation system

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Embodiment Construction

[0032] The invention will be described in more detail below with reference to the accompanying drawings of specific embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0033] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0034] Such as figure 1 As shown, in the photovoltaic power generation planning method for photovoltaic power generation system according to the embodiment of the present invention, in step S101, according to the formula:

[0035] E p = H A × P A ...

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Abstract

The invention provides a photovoltaic power generation planning method for a photovoltaic power generation system. The method includes the following steps: (a) obtaining an estimated power generation of the photovoltaic power generation system according to a formula, wherein HA is the amount of a total horizontal solar irradiation, Es is the sunlight intensity under the standard state, PAZ is the installed capacity of the photovoltaic system and K is a combined efficiency coefficient; the combined efficiency coefficient comprises a component type correction coefficient, a photovoltaic array obliquity and azimuth correction coefficient, a photovoltaic power generation system availability coefficient, a sunlight utilization rate coefficient, an inverter efficiency coefficient, a photovoltaic module surface contamination correction coefficient, and a photovoltaic module conversion efficiency correction coefficient; and (b) adjusting the actual power generation of the photovoltaic power generation system according to the estimated power generation. The photovoltaic power generation planning method of the invention takes the whole photovoltaic power generation into overall consideration to determine the combined efficiency coefficient K, so that the obtained combined efficiency coefficient K is more accurate.

Description

technical field [0001] The invention relates to a photovoltaic power generation system, in particular to a photovoltaic power generation amount planning method for the photovoltaic power generation system. Background technique [0002] Solar photovoltaic power generation technology has become a research hotspot in the field of renewable energy power generation in the world today. In the future, my country's large-scale grid-connected photovoltaic power generation system will continue to develop rapidly. [0003] Solar photovoltaic power generation is volatile and intermittent, and the grid-connected operation of large-scale photovoltaic power stations will affect the safe, stable and economical operation of the power system. Calculating the average annual on-grid power generation of photovoltaic power plants will help the grid dispatching department to coordinate the coordination of conventional power and photovoltaic power generation, and adjust the dispatch plan in a time...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00
CPCY04S10/50
Inventor 龚春景冯云岗黄乾蒋浩赵大乐徐何君程超峰曹慧花汤在勤沈斌何晖林勇锋赵希辉周晓青刘志豪
Owner SHANGHAI ELECTRIC POWER DESIGN INST
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