synonymous. Therefore, in general, we just refer to all of them as simply the peak curr
ent
I
PK
where
III
PKDCAC
(3-4)
The peak current is in fact the most critical current component of all, because it is not just
a source of long-term heat buildup and consequent temperature rise, but a potential cause
of immediate destruction of the switch. We will show later that the inductor current is
instantaneously proportional to the magnetic fi eld inside the core. So at the exact moment
when the current reaches its peak value, so does this fi eld. We also know that real-world
inductors ...
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