Electrical techniques: discharge monitoring
This chapter deals with a more specialised terminal analysis than considered in Chapter 9, which has the potential to detect those discharge activities present in the machine winding insulation, particularly in high voltage machines. One of the reasons this technique has received so much attention is because the insulation system lies at the heart of every electrical machine, as described in Chapter 2, and its deterioration can be relatively slow, as described in Chapter 3. Therefore it should be a good target for condition monitoring.
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