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Tallinn, Estonia

Hobejogi T.,Elektrilevi OU | Vill K.,Elektrilevi OU | Valtin J.,Tallinn University of Technology
Przeglad Elektrotechniczny | Year: 2016

This article debates on the use of 1 kV system as a cost-effective investment solution in the rural areas and provides an approach for finding potential investment sites. This approach determines the maximum admissible 0.4 kV feeder length and through that, the potential sites where 1 kV system could benefit the network company. An example of the potential benefits and drawbacks of using 1 kV systems are also included. This approach was tested in Elektrilevi OÜ and the number of potential feeders was substantial. Therefore, Elektrilevi OÜ should consider using 1 kV systems. © 2016,Wydawnictwo SIGMA - N O T Sp. z o.o. All rights reserved.

This paper proposes a methodology for highlighting alternative investment solutions from a large number of investment projects. The methodology identifies remote connection points located far from the sub-station where electricity can be provided from a nearby medium voltage line element. The methodology uses a mathematical model to find the smallest distance between a point and a vector. This methodology was tested in Elektrilevi OÜ where it proved to be very effective. This article also includes an example of using the provided methodology. © 2014, Wydawnictwo SIGMA - N O T Sp. z o.o. All rights reserved.

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