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Recently, the advantages of using distributed generation have been analyzed in most of scientific discussions. Distributed generation rapidly changes the configuration of the electric industry from monopoly to competitive and will totally change the configuration of power systems in the 21st century. One of the main changes, that can be a disadvantage of distributed generation presence, is changing...
The integration of distributed generation transforms current distribution networks from vertically operated to horizontally operated. This transition leads to problems related to protection coordination. In the future, new protection philosophies should be applied which guarantee the increase of the during-fault distributed generation availability. The paper presents a cost-effective protection scheme...
This paper describes an advanced coordination method for an optimized protection time grading based on a new nonstandard tripping characteristic for overcurrent protection relays. The intention is the highest possible reduction of tripping times for a selective fault clearing in distribution networks protected by overcurrent relays without communication links. The new nonstandard tripping characteristic...
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