Technical FAQs 4

How efficient is a power conversion system?

The authors stated that the system in question is capable of eliminating repetitive power conversion steps and reducing losses related to harmonics as well. The efficiency improvement has been verified by Matlab simulations and hardware implementation. An increase of 12% in efficiency and a 20% decrease in harmonics were reported.

What is the efficiency of power electronics converters (PECS)?

a Efficiency of power electronics converters (PECs) is included in the overall efficiency of Uninterruptible Power Supply (UPS), Power Distribution Units (PDU), and Power Supply Unit (PSU) systems. b Distribution AC transformer losses are included in the efficiency of AC UPS system.

Do hybrid AC/DC microgrids have high efficiency?

Moreover, equity factor is an essential parameter to take into consideration in order to compare correctly hybrid AC/DC microgrids with other topologies. Research and development of hybrid AC/DC systems needs more attention to provide hybrid AC/DC microgrid systems with high efficiency. The authors declare no conflicts of interest.

Why are converters important for AC/DC distribution systems?

The improvement of DC in the power system is associated with the development of PEC able to replacing standards transformers. The losses exhibited by converters represent the most losses that affect the system. Therefore, converters hold a strong position in defining the efficiency of AC, DC, and hybrid AC/DC distribution systems.

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