SRA. We want IL and Vo to have a small ripple to be able to use SRA. Another rea
ID: 1715496 • Letter: S
Question
SRA. We want IL and Vo to have a small ripple to be able to use SRA. Another reason is, clearly, to have better quality waveforms (more DC-like). Yet another reason, as mentioned in class, is to decreases losses in the series resistance of nonideal components (battery, inductor, switch, capacitor, and diode). Show that an IL with zero ripple has a smaller rms value than an IL with ripple as shown below. This means that the power losses in the case of no ripple will be smaller.
4. SRA. We want I and Vo to have a small ripple to be able to use SRA. Another reason is, clearly, to have better quality waveforms (more DC-like). Yet another reason, as mentioned in class, is to decreases losses in the series resistance of nonideal components (battery, inductor, switch, capacitor, and diode). Show that an IL with zero ripple has a smaller rms value than an Ii with ripple as shown below. This means that the power losses in the case of no ripple will be smaller iL(t) IL DT T tExplanation / Answer
iL(t)=IL + ripple
In the given figure, IL is high, means variation in signal across IL( DC level) is high, so ripple is high.
When IL is small then variation(fluctuation) in signal across lL( DC level is small)small,means ripple very small and hence signal is pure DC
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