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An Overview of Direct Current Distribution System Architectures & Benefits

1
Electrical and Computer Engineering Department, Missouri University of Science and Technology, Rolla, MO 65401, USA
2
Electrical and Biomedical Engineering Department, University of Nevada, Reno, NV 89557, USA
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Author to whom correspondence should be addressed.
Energies 2018, 11(9), 2463; https://doi.org/10.3390/en11092463
Received: 12 August 2018 / Revised: 8 September 2018 / Accepted: 11 September 2018 / Published: 17 September 2018
This paper examines existing and future direct current (DC) distribution systems with a wide range of applications in data centers, telecommunication systems, commercial buildings, residential homes, electric vehicles, spacecraft, and aircrafts. DC distribution systems have many advantages and disadvantages over their alternating current (AC) counterparts. There are a few surviving examples of DC distribution systems; among them are the telecommunication systems and data centers that use the low-voltage 48 Vdc systems. However, recently, there has been a move towards higher DC bus voltages. In this paper, a comparative study of different DC distribution architectures and bus structures is presented and voltage level selection is discussed for maximizing system efficiency and reliability, reducing system costs, and increasing the flexibility of the system for future expansion. Furthermore, DC distribution systems are investigated from a safety standpoint and the current global market for these distribution systems is also discussed. View Full-Text
Keywords: DC distribution system; bus structure; power architectures; safety; protection; reliability; cost; voltage level DC distribution system; bus structure; power architectures; safety; protection; reliability; cost; voltage level
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MDPI and ACS Style

Prabhala, V.A.; Baddipadiga, B.P.; Fajri, P.; Ferdowsi, M. An Overview of Direct Current Distribution System Architectures & Benefits. Energies 2018, 11, 2463. https://doi.org/10.3390/en11092463

AMA Style

Prabhala VA, Baddipadiga BP, Fajri P, Ferdowsi M. An Overview of Direct Current Distribution System Architectures & Benefits. Energies. 2018; 11(9):2463. https://doi.org/10.3390/en11092463

Chicago/Turabian Style

Prabhala, Venkata A., Bhanu P. Baddipadiga, Poria Fajri, and Mehdi Ferdowsi. 2018. "An Overview of Direct Current Distribution System Architectures & Benefits" Energies 11, no. 9: 2463. https://doi.org/10.3390/en11092463

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