RESONANT TANK COMPONENTS STRESS OF A DC-DC CONVERTER AT CONSTANT OR VARIABLE FREQUENCY CONTROL
Angel Angelov Lichev
University of Food Technologies – Plovdiv, Bulgaria
PREDICTING WIND ENERGY PRODUCTION IN THE SHORT-TERM USING MACHINE LEARNING ALGORITHM
Hilmi Kuşçu 1, Taşkın Tez 2
1 Department of Mechanical Engineering, Trakya University, Edirne, TR Türkiye
2 Edirne Provincial Health Department, Ministry of Health, Edirn, TR Türkiye
INDOOR LED LUMINAIRE LUMINOUS AREA OPTIMIZATION TO MINIMIZE THE UNIFIED GLARE RATING
Milko Yovchev
Technical University of Gabrovo, Bulgaria
DEVELOPMENT OF A LABORATORY MODEL WITH EDUCATIONAL PURPOSE FOR PRACTICAL APPLICATION OF METHODS FOR DIAGNOSTICS OF ELECTRICAL CONTACT SYSTEMS
Valentin Gyurov, Yuliyan Yordanov, Birjan Ilyazov
Technical University of Varna, Department of Electric Power Supply and Equipment, Bulgaria
DEVELOPMENT OF A LABORATORY MODEL WITH EDUCATIONAL PURPOSE FOR PRACTICAL APPLICATION OF METHODS FOR EVALUATING LIGHT FLUX PULSATION
Valentin Gyurov, Tsvetomir Dimitrov, Iliyan Iliev
Technical University of Varna, Department of Electric Power Supply and Electrical Equipment, Bulgaria
IMPLEMENTATION OF 40 MW PHOTOVOLTAIC POWER PLANT BITOLA IN THE REPUBLIC OF NORTH MACEDONIA
Elizabeta Arsova 1, Plamen Tsankov 2
1 Regulatory Commission for Energy and Water Services of Republic of North Macedonia
2 Technical University of Gabrovo, Bulgaria
DESIGN OF 20MW PHOTOVOLTAIC POWER PLANT OSLOMEJ IN NORTH MACEDONIA
Elizabeta Arsova 1, Plamen Tsankov 2
1 Regulatory Commission for Energy and Water Services of Republic of North Macedonia
2 Technical University of Gabrovo, Bulgaria
COMPARATIVE ANALYSIS OF TECHNICAL CHARACTERISTICS, CONTROL METHODS AND THE POSSIBILITY OF REPLACING ASYNCHRONOUS MOTORS WITH SYNCHRONOUS RELUCTANCE MOTORS
Hristian Panchev, Nikola Makedonski, Milen Duganov
Technical University of Varna, “Department of Electric Power Supply and Equipment”, Bulgaria
DETERMINING THE VALUE OF ADDITIONAL ACTIVE POWER LOSSES WHEN TRANSFERRING REACTIVE ENERGY
Ilian Iliev, Nikolay Lakov, Desislava Delcheva, Rosen Yordanov
University of Mining and Geology “St. Ivan Rilski”, Bulgaria
ELECTRICITY EFFICIENCY IN THE OPERATION OF ELECTROLYSIS PLANTS
Ilian Iliev, Desislava Delcheva, Rosen Yordanov, Nikolay Lakov
University of Mining and Geology “St. Ivan Rilski”, Bulgaria
ANALYSIS OF THE PERFORMANCE OF PFOTOVOLTAIC SYSTEM WITH CdTe, M-SI AND CIGS AT WINTER CONDITIONS
Ivaylo Lazarov
Technical University of Gabrovo, Bulgaria
STUDY OF THE SOLAR IRADIATION IN THE AREA OF GABROVO TECH PARK
Plamen Tsankov, Ivaylo Lazarov
Technical University of Gabrovo, Bulgaria
SAFETY OF THE USE OF ULTRAVIOLET BACTERICIDAL LED LAMPS
Pylyp Hovorov, Anastasiia Kindinova
O.M. Beketov National University of Urban Economy in Kharkiv
STUDY OF THE FACTORS DETERMINING THE ENERGY EFFICIENCY OF PASSENGER SHIPS IN OPERATION
Iliyan Donev
Technical University of Varna, Bulgaria
INCREASING THE EFFICIENCY OF A SHIP'S AIR-CONDITIONING SYSTEM USING SYNCHRONOUS JET MOTORS
Plamen Parushev 1, Ginka Ivanova 2, Iliyan Donev 3
1,2 Technical University of Varna, Department of Electric Power Supply and Equipment, Bulgaria
3 Technical University of Varna, Department of Shipbuilding and Marine Engineering, PhD Student, Bulgaria
UTILIZATION OF NATURAL PIGMENTS IN DYE-SENSITIZED SOLAR CELLS
Stefan Đorđević 1, Marko Krstić 1, Ivana Radonjić 1, Lana Pantić 1, Dragoljub Mirjanić 2, Denis Mitov 1
1 University of Niš, Faculty of Sciences and Mathematics, Višegradska 33, 18000 Niš, Serbia
2 Academy of Sciences and Arts of the Republic of Srpska, Bana Lazarevića 1, 78000 Banja Luka, Republic of Srpska
ON THE SELECTION OF RELAY PROTECTION OF A SINGLE-PHASE EARTH FAULT IN OPEN-PIT MINES
Kiril Dzhustrov
University of Mining and Geology “St. Ivan Rilski”, Bulgaria
TRANSIENT PROCESSES DURING SINGLE-POLE CONTACT OF A PERSON WITH A DC NETWORK
Kiril Dzhustrov
University of Mining and Geology “St. Ivan Rilski”, Bulgaria
DETERMINATION OF THE PULSE COEFFICIENT AND RESISTANCE OF VERTICAL GROUNDING DEVICES
Peter Kolev Petrov, Krasimir Marinov Ivanov, Georgi Tsonev Velev
Technical University of Gabrovo, Bulgaria
SIMULATION OF LABORATORY STAND FOR LOAD SCHEDULES STUDY
Tsvetozar Petkov
Technical University of Gabrovo, Bulgaria
ANALYSIS OF THE ELECTRICITY QUALITY IN A PUBLIC FACILITY
Lyubomir Dimitrov
Technical University of Gabrovo, Bulgaria
RESEARCH AND ANALYSIS OF ELECTRICITY CONSUMPTION IN THE ELECTRICITY SUPPLY SYSTEM OF AN INDUSTRIAL FACILITY
Milen Duganov
Technical University of Varna, “Department of Electric Power Supply and Equipment” PhD Student, Bulgaria
ELECTROMAGNETIC COMPATIBILITY FOR TRACTION CONTACT NETWORK AND NEIGHBORING CABLE LINES
Emiliya Dimitrova, Vasil Dimitrov
Todor Kableshkov University of Transport – Sofia, Bulgaria
DESIGN AND ENERGY ANALYSIS OF A CONVERTED ELECTRIC CAR
Vasil Dimitrov, Atanas Nikolov
Todor Kableshkov University of Transport – Sofia, Bulgaria
DETECTION AND ISOLATION OF A MULTIPLICATIVE FAULT IN A WIRELESS POWER TRANSFER SYSTEM
Dejan Janjic, Sanja Antic, Branko Koprivica
University of Kragujevac, Faculty of technical sciences Čačak, Serbia