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Input parameters for restoration method for 110 kV power line

Houdek V., Kral V., Rusek S., Gono R.

Przegląd Elektrotechniczny

2013

R. 89, nr 11

4-7

The article analyzes the input parameters for RCM software for restoration of 110 kV power lines. It describes the ranking system for technical condition and the importance of power line. In the final part of the paper there is a design method for the determination of restoration of 110 kV power lines by the input data.

W artykule analizowano dane wejściowe programu RCM (reliability centered maintenance) do utrzymania niezawodności linii 110 kV. Zaproponowano metodę projektowania linii bazująca na tych danych.

Selected conducted electromagnetic interference issues in distributed power systems

Smoleński R.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2009

Vol. 57, nr 4

383-393

This paper addresses the specific issues associated with electromagnetic compatibility that should be taken into account at the developmental stage of distributed systems. The main aim is to establish how far conducted interferences can penetrate the electric grid and how the group of converters, which individually meet EMC standards, influence the mains supply. The measured results of the spread of electromagnetic interference (EMI) current over a typical local electric grid and the low and medium voltage side of the power transformer are presented. The commonly applied, in distributed power systems, four-quadrant converter has been used as a test interference source. The limitations in the applicability of standardized methods for evaluation of aggregated conducted interferences have been presented in a system consisting of a group of two-quadrant frequency converter drives.