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Original scientific paper

Special protection scheme for operation of central Zagreb transmission system

Tomislav Plavšić ; HEP Operator prijenosnog sustava d.o.o., Zagreb, Croatia
Srđan Skok ; Faculty of Engineering, University of Rijeka, Rijeka, Croatia
Igor Ivanković ; HEP Operator prijenosnog sustava d.o.o., Zagreb, Croatia


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Abstract

The paper presents a Special Protection Scheme solution for the central Zagreb transmission system. The Central Zagreb transmission system is characterized by a highly meshed network with combined overhead and cable sections and a special operation of the 110 kV cable link between two power plants important for the city’s heat and electricity supply. The Special Protection Scheme is developed using static and dynamic analyses of different network scenarios. Island operation is simulated for a consumption and
generation surplus, and an underfrequency load shedding scheme is determined. The Special Protection Scheme architecture is presented with a brief description of the telecommunication infrastructure.

Keywords

special protection scheme, automated system control, transmission system, wide-area measurement system, island operation

Hrčak ID:

70384

URI

https://hrcak.srce.hr/70384

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