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Utilization of a mixture of CTs and current sensors in line differential protection applications
(CIRED, 2019-06-03)
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The popularity of Rogowski sensors is increasing due to their advantages over conventional CTs. Consequently, network utilities may sometimes end up facing a question whether it would be possible to use line differential ...
Sensitivity analysis of frequency and voltage stability in islanded microgrid
(CIRED, 2007-05-21)
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This paper studies the voltage and frequency stability of an islanded microgrid and the sensitivity of these quantities to certain changes in system configuration. In conventional power systems the system frequency ...
Protection system for future LV microgrids
(CIRED, 2011-06-06)
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Traditional protection of low voltage (LV) network will not be applicable for future LV microgrids and new adaptive protection system must be developed. In this paper adaptive protection system for LV microgrid during ...
Novel protection approach for MV microgrid
(CIRED, 2011-06-06)
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The amount of distributed generation (DG) connected to medium voltage (MV) networks is expected to increase continuously. This trend creates a good opportunity to use MV feeders as microgrids. Normally ...
Fault type and location detection in islanded microgrid with different control methods based converters
(CIRED, 2007-05-21)
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In this paper the fault type and location detection in an islanded low voltage (LV) distribution network based microgrid with converters applying different control methods is studied. In the ...
Alternative solutions for advanced security of supply
(International Conference and Exhibition on Electricity Distribution CIRED, 2019-06-01)
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The restrictions regarding the maximal length of outages especially under major storms has resulted in massive underground cabling projects in the network companies in Finland and Sweden. Due to these expensive investments ...