Transcription of 1 Basic in EMC and Power Quality - Schaffner
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1 Basic in EMC and Power Quality 2013. basics in EMC / EMI and Power Quality Introduction, Annotations, Applications 2 Basic in EMC / EMI and Power Quality basics in EMC and Power Quality I Introduction 5. 1 Sources of electromagnetic signals 5. Natural and technical sources of electromagnetic signals 5. Definition of noise 5. Frequency ranges 5. Differential-mode noise 6. Common-mode noise 6. Noise propagation 6. Coupling methods 6. Radiation 6. 2 Legal requirements 7. Global legislation 7. CE marking for the European Union 7.
Common-mode noise results from stray capacitances in a system, often occurring between semiconductors and heat sinks. It is more often found in the higher frequency range. When we look at the measurements later, we will see that the result of the measurement does not make the differentiation between the two types of noise.
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