Interference coupling mechanisms
Publisher Summary
This chapter discusses interference coupling mechanisms. Interference sources within the equipment circuit or its power supply are coupled onto the power cable to the equipment. Interference may also be coupled either inductively or capacitively from another cable onto the power cable. Signal and control cables can also act as coupling paths. The resulting interference may appear as differential mode or as common mode or as a mixture of both. For signal and control lines, only common mode currents are regulated. For the mains port, the voltages between live and earth, and between neutral and earth at the far end of the mains cable are measured. Differential mode emissions are normally ...
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