Automatic test system for photovoltaic inverter

A photovoltaic inverter, automated testing technology, applied in the direction of instruments, measuring electricity, measuring devices, etc., can solve the problems of low test accuracy, high cost, large parameter acquisition error, etc., to improve the test accuracy and realize the test automation. Effect

Inactive Publication Date: 2018-08-28
合肥市艾特米信息技术有限公司
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic test system for photovoltaic inverters to solve the problems of relatively large parameter acquisition error, complex structure of the test system, high cost and low test accuracy in the test of the prior art photovoltaic inverter proposed in the background art. question

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  • Automatic test system for photovoltaic inverter

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] Such as figure 1 As shown, a photovoltaic inverter automatic test system includes:

[0033] The analog power module is a DC power supply that can simulate the I-V curve of the solar panel to simulate the output of the solar panel to provide power for the photovoltaic inverter.

[0034] The power module is used to provide power for the test system.

[0035] The photovoltaic inverter is electrically connected to the analog power module.

[0036] The po...

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Abstract

The invention discloses an automatic test system for a photovoltaic inverter, comprising: an analog power module for simulating the output of a solar panel to supply power to the photovoltaic inverter, a power module for supplying power to the test system, the photovoltaic inverter, a power grid simulation module for receiving an output current of the photovoltaic inverter for load operation, an environment simulation module for simulating different working environments, an electrical test module for collecting electrical data of a load in the power grid simulation module, and an analysis display module for performing corresponding analysis according to the electrical data and display an analysis result. According to the automatic test system for the photovoltaic inverter, by comparativelyanalyzing electrical parameters of the photovoltaic inverter under different working environments and standard electrical parameters, the performance test of the photovoltaic inverter is realized.

Description

technical field [0001] The invention relates to the technical field of electrical testing equipment, in particular to a photovoltaic inverter automatic testing system. Background technique [0002] With the development of new energy technology, the technology of related electrical equipment is also constantly innovating. The advantages of solar power generation technology have created progress in the field of photovoltaic power generation, and photovoltaic inverters are an indispensable part of photovoltaic power generation links. In actual use, most photovoltaic inverters use manual testing, which is costly and has large test error factors. . [0003] The prior art CN106841878A provides a photovoltaic inverter testing system and method, including: a programmable photovoltaic simulator, voltage and current sensors, an environmental test chamber, a programmable grid simulator and a PXI system. Among them, the PXI system integrates multiple synchronous, high-speed, high-prec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 汪永成
Owner 合肥市艾特米信息技术有限公司
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