Waves are a phenomenon caused by voltage fluctuations in a DC stable power supply. Since DC stable power supplies are generally formed by rectifying and stabilizing AC power sources, it is inevitable that some AC components are present in the DC stable quantity. This superimposed AC component is referred to as ripple. The composition of ripple is relatively complex, typically taking the form of harmonics that are similar to sine waves with frequencies higher than the industrial frequency, or narrow pulse waves. The requirements for ripple vary depending on the application. For capacitors, as long as the ripple is not too severe, it generally does not affect the quality of the capacitor. Aviation Power Supply
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