![]() This type of power supply rectifies the AC input directly and filters it in order to acquire a DC voltage. As its name suggests, an SMPS works by switching between different operating states to decrease the input source’s average output voltage and current requirement. Switched-mode power supply (SMPS) units are the second most common type of AC-to-DC power supply. Examples of built-in power supplies include those available in consumer electronic devices and desktop computers. While some power supply units come as separate standalone equipment, others are built into the appliances they power. Storing energy to continue powering devices in case of a temporary power interruption.Power conditioning that prevents voltage surges and electronic noise from reaching the power load.Regulating and limiting the amount of power drawn by appliances to safe levels.Shutting off the current flow in case of an electrical fault.Other functions performed by power supplies include: ![]() Thus, power supply units are sometimes called electric power converters. Typically, the units convert AC power into a lower DC voltage for use in electronics, computers, and other devices. Its primary function is converting one form of energy into another to ensure correct voltage, frequency, and current. What Is a Power Supply?Ī power supply is a device that supplies safe and regulated electrical energy to an electrical load. Below is an in-depth overview of the various power supplies available and their applications. Each type has its advantages and disadvantages depending on the task at hand. Understanding these differences is critical to selecting the correct type of power supply for your project or application. Depending on the application, the type of power supply used can vary greatly. They provide a steady, regulated power supply to ensure connected devices remain safe and functioning correctly. Power supplies are integral to any electrical system and come in many forms.
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