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Portable self-driven photovoltaic grid connected detection apparatus and method

A detection device and self-driven technology, which is applied in the direction of measuring device, measuring electricity, measuring electrical variables, etc., can solve the problems of inconvenient testing and inconvenient portability, and achieve the effect of portability

Inactive Publication Date: 2019-03-08
SHANGHAI HENGNENGTAI ENTERPRISE MANAGEMENT CO LTD PUNENG ELECTRIC POWER TECH BRANCH +1
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Problems solved by technology

However, it is not easy to carry, and it is inconvenient to test

Method used

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  • Portable self-driven photovoltaic grid connected detection apparatus and method

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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0039] A portable self-driven photovoltaic grid-connected detection device, such as figure 1 shown, including:

[0040] Rheostat adjustment circuit 2;

[0041] The voltage sampling module is connected to the detected line 3 through the rheostat adjustment circuit 2, and is used for sampling voltage data;

[0042] The current sampling circuit is connected to the detected line 3 through the rheostat adjustment circuit 2 for sampling current data;

[0043] Control module 1, that is, MCU, adopts STM32 processor chip, and is respectively connected with voltage sampling module and curren...

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Abstract

The invention relates to a portable self-driven photovoltaic grid connected detection apparatus and method. The portable self-driven photovoltaic grid connected detection apparatus includes a changingresistance adjusting circuit, a voltage sampling module which is connected to a detected line through the changing resistance adjusting circuit for sampling the voltage data, a current sampling circuit which is connected to the detected line through the changing resistance adjusting circuit for sampling the current data, a control module which is connected to the voltage sampling circuit and thecurrent sampling circuit for processing the voltage data and the current data, and a sensor module which is connected to the control module for measuring the radiant quantity data. Compared with the prior art, the portable self-driven photovoltaic grid connected detection apparatus measures the radiant quantity of sunlight by connecting an external sensor device, and processes the synchronizationof the internal digital-analog circuit through a pulse disturbance processing circuit, and at the same time the pulse information carries the external environment parameter auxiliary trigger function.

Description

technical field [0001] The invention relates to a detection device, in particular to a portable self-driven photovoltaic grid-connected detection device and method. Background technique [0002] In the photovoltaic grid-connected detection project, there are two detection contents, DC power quality detection and power evaluation detection. The traditional detection method is to use multiple instruments for detection and carry out step by step. Such a step-by-step test will lead to deviations in data results. At the same time, when multiple instruments are tested, it usually requires AC power on site, which is very difficult to achieve in remote photovoltaic power plant sites. Moreover, it is inconvenient and expensive to carry multiple instruments. [0003] In addition, Chinese patent CN204287338U discloses a new wind power and photovoltaic grid-connected detection comprehensive test device, including an AC grid simulation device, a first transformer, a reactor combination,...

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 王黎明赵磊李滕飞
Owner SHANGHAI HENGNENGTAI ENTERPRISE MANAGEMENT CO LTD PUNENG ELECTRIC POWER TECH BRANCH
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