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Thermography-Based System Analyzes Frequency Converter Modules

Electronic modules are subject to diverse loads during operation that can lead to power losses. These loads frequently cause the temperature of the components and their surroundings to rise, and this can be made visible by thermography. The Industry Solutions Division of Siemens AG has developed a system for analyzing frequency converter modules using recorded thermal images to investigate both defects and functioning parts. These images are compared with corresponding images in a reference database, and if sources of faults are identified, the test system automatically outputs recommendations for repairs and spare parts. This reduces the time required to diagnose and repair frequency converter modules by up to 30%, in turn reducing the expenditure on repairs and spare parts and also enabling realistic estimates to be made of the remaining service life and risk of the module failing.

This method requires only a few minutes...

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© ASM International 2011

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