Studies on a LV DC network

Deaconu, D.; Chirilă, Aurel-Ionuț; Albu, Mihaela; Toma, Lucian

doi:10.1109/epe.2007.4417634

Cited by 15 publications

(3 citation statements)

References 3 publications

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“…Moreover, the growing diffusion of power electronics implies the presence of big amplitude harmonics in the distribution network. A possible solution to these problems can be represented by "DC islands" supplying dedicated loads or little plants [4]- [5].…”

Section: Introductionmentioning

confidence: 99%

High power quality level DC distribution system for woodworking plants

Musolino¹,

Piegari

Tironi

et al. 2012

2012 IEEE 15th International Conference on Harmonics and Quality of Power

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Power quality is becoming more and more important for different kind of users. In particular, for industrial customers it represents a key factor for the productiveness and the efficiency. Also, the wide diffusion of electronic loads implies a spread use of power electronics. In this scenario, DC distribution networks are a suitable solution for solving problems of power quality both for the customer and for the supplier. In the paper, the opportunity of using a DC distribution network inside a woodworking plant is analyzed. A network configuration and a control strategy are proposed and verified by means of numerical simulations and experimental tests.

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Section: Introductionmentioning

confidence: 99%

High power quality level DC distribution system for woodworking plants

Musolino¹,

Piegari

Tironi

et al. 2012

2012 IEEE 15th International Conference on Harmonics and Quality of Power

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“…The use of DC at the user layer has recently become an attractive solution for flexible integration of dispersed generation (DG) into energy networks [1]. DC grids in buildings are expected to be one of the main applications and challenges in the near future [2]. In order to study the actual applicability of low voltage DC grids, a laboratory scale microgrid has been designed at Politehnica University of Bucharest.…”

Section: Introductionmentioning

confidence: 99%

Online measurements and control of a laboratory scale DC grid

Nechifor

Marin

Nicolaou

et al. 2009

2009 IEEE Intrumentation and Measurement Technology Conference

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This paper deals with the development of a complex measurement system for the online control of a laboratory scale DC grid located at "Politehnica" University of Bucharest. This has been achieved by making use of various communication methods among different modules, like DC source, energy meters, server, controllable "load computers", digital oscilloscope and multimeter. PHP and an open source database have been used on the server-side for implementing the external communication, thus reducing the software requirements of the client's computer down to a common web-browser. The internal communication that occurs through various protocols like TCP/IP, ModBUS/TCP and RS232 has been mediated by the database, using LabVIEW Internet Toolkit and the open source .vi library LabSQL. Additionally, the use of an interesting reverse engineering concept helped extracting the communication protocols from the instruments' proprietary applications, thus making possible the full integration of measurement modules into a unique system. The final result is a homogenous measurement system within the laboratory scale DC grid, controllable through a secure, reliable and minimum-requirement online application. web-based communication; remote control; LabVIEW; DC networks;

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“…There are some interesting demonstrative projects about a dc power network [1]. Some power supply systems for telecommunications or data servers become to choose the dc power network [2].…”

Section: Introductionmentioning

confidence: 99%

Integrated power conversion for DC power system by flying capacitor multi-level converter

Hojo

Minato

2010

The 2010 International Power Electronics Conference - ECCE ASIA -

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In a modern electrical power system, most of equipments have dc terminals as an interface or inside of them, but the electric power is distributed by ac. Therefore, they have to employ a power converter suitable for their circumstances to trade the electric power. However, as the converters cannot avoid conversion losses inherently, it is important to reduce the number of power conversion from an energy source to a load. On the other hand, there is a well-known topology of flying capacitor multilevel converter which has several terminals of different dc voltage and an ac voltage terminal. This paper proposes to utilize the topology as an integrated power conversion module. Their various dc and ac terminals can provide a wide variety of interfaces with the conventional ac grid, electrical equipments requiring different dc voltages, batteries, solar cells, etc. A typical application is introduced and evaluated by simulation study. Index Terms--dc power system, distributed generators, flying capacitor, multi-level converter,A part of this research was financially supported by the Power Academy.

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Studies on a LV DC network

Cited by 15 publications

References 3 publications

High power quality level DC distribution system for woodworking plants

High power quality level DC distribution system for woodworking plants

Online measurements and control of a laboratory scale DC grid

Integrated power conversion for DC power system by flying capacitor multi-level converter

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