After effects variable stroke width3/13/2024 ![]() The PWM switching frequency can vary greatly depending on load and application. The goal of PWM is to control a load however, the PWM switching frequency must be selected carefully in order to smoothly do so. PWM is particularly suited for running inertial loads such as motors, which are not as easily affected by this discrete switching. Along with maximum power point tracking (MPPT), it is one of the primary methods of controlling the output of solar panels to that which can be utilized by a battery. ![]() The longer the switch is on, the higher the total power supplied to the load. The average value of voltage (and current) fed to the load is controlled by switching the supply between 0 and 100% at a rate faster than it takes the load to change significantly. ![]() Pulse-width modulation ( PWM), or pulse-duration modulation ( PDM), is a method of controlling the average power delivered by an electrical signal. ![]()
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