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In this regard, there are two very common types of power supply, the linear and the switched mode. The main difference between the two is the way they operate.Linear power supplies provide a constant voltage at all times while the power provided by a switched mode power supply constantly varies. linear power supply is often used because of its simplicity. Linear regulators exist in packaged ICs that only need a rectified voltage source to operate. In comparison, a switched mode power supply is very complex and requires a handful of ICs as well as inductors.
Name 3 power system components that supply VARs to the system. Describe what it means for some components to âcompensateâ for others. Explain how MW and MVARs are produced in an electric generator. Recognize that a change in generator voltage or MVAR supply must come from a change in the unitÃ¢â¬â¢s DC excitation current.