Analysis Method for Finding the Sources of Failures in Circuits with a Frequency Converter

Abstract:

The dynamic development of devices that use electrical and electronic components makes it necessary to eliminate sources of interference occurring in circuits with systems of this type. These disturbances adversely affect the correct functioning other systems that work together as a network, as well as equipment located in neighbouring systems. The article presents a method of the analysis of the sources of faults occurring in electrical circuits, using a frequency converter. The discussed principle of the operation of the frequency converter and the impact of disturbances generated by these installations are presented in this article. The evaluation methodology of the installation is presented using the requirements of the Harmonized Standards and the authors’ own solutions. The verification of the method was conducted by applying it to a real electrical circuit. The potential sources of electrical faults were identified that were caused by the frequency converters and its circuit. The developed and presented analysis method of the faults sources can be used for evaluating other circuits of this type in which one of subsystems is a frequency converter circuit.

• Periodical: Solid State Phenomena (Volume 237)
• Pages: 124-129
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.237.124
• Online since: August 2015
• Authors: Paweł Mroczkowski*, Mirosław Neska
• Keywords: Conducted Disturbances, EMC, Failure Source, Frequency Converter

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