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Electrical Engineering: Know It All by Dan Bensky, Walt Kester, Tim Williams, John Bird, Clive Maxfield

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Chapter 22

Electromagnetic Transients and EMI

Keith H. Sueker

Some aspects of transient voltages have been mentioned previously, but a more detailed examination will be made in this chapter, with regards to power electronics design techniques. The long-term health of a power electronics system often hinges on its ability to withstand transient voltages arising both inside and outside of the equipment itself.

22.1 Line Disturbances

Lightning strikes and switching transients on power lines will propagate down the line and eventually arrive at a substation. There, the voltage will be clamped by lightning arresters to a level the substation equipment can handle without damage. This voltage will be passed on to the distribution lines in two forms: differential ...

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