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Anti-cheating system for photovoltaic power generation

A photovoltaic power generation system and photovoltaic power generation technology, applied in the direction of measuring electrical variables, measuring devices, instruments, etc., can solve the problem of unable to prevent power injection and achieve the effect of preventing measurement cheating

Active Publication Date: 2013-11-13
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The current photovoltaic power generation metering mainly uses the original anti-theft technology, such as lead seals, to prevent man-made damage to the meter, but it cannot prevent the cheating method of injecting power through the inverter.

Method used

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Embodiment Construction

[0034] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0035] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0036] figure 1 A block diagram of a photovoltaic power generation anti-cheating system according to an embodiment of the present invention is shown.

[0037] Such as figure 1 As shown, the photovoltaic po...

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Abstract

The invention provides an anti-cheating system for photovoltaic power generation. The anti-cheating system comprises an irradiance sensor and a comparison unit, wherein the irradiance sensor is connected to the comparison unit and used for measuring irradiation intensity of light on a photovoltaic plate and sending a light irradiation intensity value obtained after the measured light irradiation intensity is digitized to the comparison unit; and the comparison unit is connected to the irradiance sensor, determines a power generation power value and a generating capacity estimated value of a photovoltaic power generation according to the light irradiation intensity, compares the generating capacity estimated value with an actual electric quantity metered by a meter, and outputs a comparison result. By means of the technical scheme, the photovoltaic power generation can be monitored, and the condition that power generating subsidy is cheated due to cheating of metering of the photovoltaic power generating capacity is prevented.

Description

technical field [0001] The invention relates to the field of photovoltaic power generation control, in particular to a photovoltaic power generation anti-cheating system. Background technique [0002] On November 1, 2012, the State Grid opened the acceptance of photovoltaic grid connection. According to the State Grid's "Opinions on Doing a Good Job of Distributed Photovoltaic Power Generation Grid-connected Services", the grid-connected process takes about 45 working days. When grid-connected distributed photovoltaic projects are connected to the grid for power generation, the State Grid needs to pay for the acquisition of distributed photovoltaic power at the same time. However, the difference between the price of photovoltaic power generation and the electricity price of conventional thermal power grid needs to be subsidized by the state, and this subsidy policy will be introduced soon. At present, the National Energy Administration is studying and formulating photovolt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R11/24
Inventor 黄爱颖赵新袁新润梁宝全张剑
Owner STATE GRID CORP OF CHINA
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