2/24/2023 0 Comments Download buck converter using 3842![]() Thus, for low power applications, typically, these two stages are merged together to use only one switch. This structure is known as two-stage structure, which is not optimal and cost effective for low power applications. Therefore, another converter is used after PFC stage to regulate the final output voltage. However, due to sinusoidal input voltage and input current of PFC, its output voltage has low frequency ripple. Therefore, many researches have been conducted to improve power factor correction (PFC) topologies. Power grid damages are resulted by injected harmonics and thus the input current regulatory requirements such as IEC6 which forces the consumer to have high power factor and low total harmonic distortion (THD) are enacted. Also, in order to increase efficiency of the grid, there is a concern for low power applications as well as higher power levels. Therefore, to control and reduce energy consumption some standards such as California Energy Commission (CEC) were enacted. Nowadays, increasing use of electronic equipment and employing more and more switched-mode power supplies have resulted in worldwide energy use and grid voltage pollution. IET Generation, Transmission & Distribution.IET Electrical Systems in Transportation.IET Cyber-Physical Systems: Theory & Applications.IET Collaborative Intelligent Manufacturing. ![]() CAAI Transactions on Intelligence Technology. ![]()
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