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Projects / Programmes source: ARIS

Devices for on-line adaptation to operating conditions of power systems

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Research activity

Code Science Field Subfield
2.12.04  Engineering sciences and technologies  Electric devices  Switching devices 

Code Science Field
T001  Technological sciences  Electronics and Electrical technology 
T190  Technological sciences  Electrical engineering 
Keywords
controlled switching, circuit breakers, swithcing overvoltages, life cycle, monitoring and control of switching device
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (3)
no. Code Name and surname Research area Role Period No. of publications
1.  11694  PhD Grega Bizjak  Energy engineering  Researcher  1999  340 
2.  06168  PhD Rafael Mihalič  Energy engineering  Researcher  1999  846 
3.  03972  PhD Peter Žunko  Energy engineering  Head  1998 - 1999  365 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  1538  University of Ljubljana, Faculty of Electrical Engineering  Ljubljana  1626965  27,752 
Abstract
Devices for controlled switching - CS - are intended for the use of conventional circuit breakers in certain typical switching cases. The benefits of CS include substation of traditional devices (resistors, reactances ...) or their reduction, and/or an extension of the life cycle of switching equipment. In other countries CS was used in specific cases, e.g. switching of capacitors, lines, shunt reactances, transformers, and fault clearing. Comparison with other control schemes, such as switching resistors and inductances, were made. The possibilities to control switching overvoltages are identical or even better if CS is used. Questions have been raised if CS is economically viable or sufficiently reliable in comparison with other methods. Frequent discussions about the advantages and disadvantages of CS reflect a wide-spread interest of the industry, electric utility companies and producers. Less time is required for maintenance of circuit breakers, insulation levels are reduced, life cycle of circuit breakers and other network elements expanded. This results in savings rendering CS economically viable. Our objective is to present the concept of an intelligent circuit breaker with a control system based on microprocessors, which will enable us to control the circuit breaker and its condition.
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