International contracts (with participation as contract director  prof. dr. ing. Dorin Petreus)
- Flexible medium voltage DC electric railway systems (HVDC-ERS), H2020-S2RJU-2018, director from TUCN: Prof. dr. ing. Dorin Petreus, coordinating institution: THE UNIVERSITY OF BIRMINGHAM UK, 2018-2021.
 - Methods and techniques for water flow measurements – contract with Analog Devices, Ireland, 2002, extended in 2003, 2002-2004.
 - Intelligent charger for batteries and supercapacitors based on solar energy, in collaboration with Anacores Limited Irlanda, 2010-2011.
 - Optimierung von Bauelementen bei Solar-Umrichter (Loss optimization in a solar inverter), between UTCN and Siemens AG Osterreich (Austria), through Sibiu SC SIMEA Sibiu SRL (nr. 53/17.04.2007).
 - Optimierungen an Schaltungen fur Stromversorgungen (Current sources circuit optimizations) between UTCN and Siemens AG Osterreich (Austria), through Sibiu SC SIMEA Sibiu SRL (nr. 53/17.04.2007), 20703/29.06.2008.
 
National contracts (with participation as contract director prof. dr. ing. Dorin Petreus)
- HELIOS – Hybrid microgrid with renewable energy sources and optimized operating costs, integrating energy management methods based on solar power prediction, director Prof. dr. ing. Dorin Petreus, Contract nr: 733PED / 27.06.2022
 - MULTIPASS – Simultaneous elemental microanalytical method for environment and food control using passive sampling coupled with miniaturized instrumentation based on plasma microtorch optical emission spectrometry, Contract nr: 733PED / 27.06.2022
 - Electronic heating catalyst controller – eHCC, subsequent contract no.4 285751/11.10.2019 at 7705/11.06.2014. director of subsequent contract dr. ing. Dorin Petreus, 2020.
 - Generic 3.6kW on board charger for electrical vehicles, subsequent contract no.3 31313/29.11.2018 at 7705/11.06.2014. director of subsequent contract dr. ing. Dorin Petreus, 2019.
 - Bidirectional Charger subsequent contract no.2 4132/22.02.2018 at 7705/11.06.2014. director of subsequently contract dr. ing. Dorin Petreus, 2018.
 - Bidirectional Charger subsequent contract no.1 22528/25.09.2017 at 7705/11.06.2014. director of subsequent contract dr. ing. Dorin Petreus, 2017-2018.
 - REMSIS – “Renewable energy management system used for small isolated communities” director Prof. dr. ing. Dorin Petreus, Contract PN-II–PT–PCCA-2013-4 Contract Nr. 53.
 - MICROCCP – “Miniaturized Equipment with Capacitively Coupled Plasma Microtorch and Analytical Technologies for Simultaneous Elemental Determination used in Environment and Foods control”, Contract PN-II–PT–PCCA-2011-3.2-0219.
 - ATM32, “Four cells galvanic bath”, PN II-IN-CI
 - ATM41, “Medical equipment for magnetic therapy with low frequency pulsed magnetic field”, 20CI-PN2-IN-CI
 - “Intelligent System for Battery Charging Based on Optimized Algorithms for Maximum Power Tracking in Solar Installations”,Contract no. 79/1.10.2007, code CNCSIS 1019, director Prof. dr. ing. Dorin Petreus, coordinating institution UTCN Cluj Napoca, 2007-2010.
 - TRANS-SUPERCAP, “Electrical energy optimized system for terrestrial transportation using batteries and supercapcitors” (Trans-supercap), contract no. 21-018/14.09.2007, partnership type project (program PN 2), code CNCSIS 94, 2007-2010.
 - FLUOROSPEC, “Optoelectronic Equipment and Innovative Method of High Precision and Sensitivity Based on Non-conventional Fluorescence Spectrometry for Testing and Control of Some Environmental Agents”, Contract nr. 71019
 - Virtual instrument for the diagnostic of turbine vibrations, type A research grant no. 33385/2004, no. A30 thematic, code CNCSIS 910, 2004-2005.
 - Measurement, visualization and diagnostic system of turbine vibrations, type AT research grant no. 34970/2001, theme no. 7, code CNCSIS 234, continued in 2002 (contract no. 33531/2002), theme no. 5, code CNCSIS 53, 2002-2004.
 - Virtual instrument for power quality analysis – type T contract no. 5217/1999, B11 (ANSTI), continued in 2000, A10, 1999-2001.
 
International grants/research projects (with participation as a member prof. dr. ing. Dorin Petreus)
- COST MP1004 program -Hybrid Energy Storage Devices and Systems for Mobile and Stationary Applications, 2011-2015.
 - Research on Test Compression and LBIST, research contract no. 23800/21.12.2005 UTCN-Philips Semiconductors, 2005-2007, Director Daniel Moga, 2005-2007.
 - Research and development contract with Tetraco International Holland – Universitatea Tehnica Cluj, no. 1595/31.01.2005 Director: A. Vlaicu, workgroup responsible: D. Petreuş, 2005-2006.
 - Consultancy in the field of analogue and digital electronics, telecommunications, information technologies and software engineering – contract with Tetraco International, Holland. Member (Director Aurel Vlaicu), 2004-2006.
 - Study and optimization of metallic substances magnetic proprieties, manufacturing of cremic thick films and superconductors through chemical methods., Contract no. 98/32/LEHNO/88/1999 with ENEA (Italia) responsible: conf.dr.ing. Traian Petrişor, 1999-2000.
 - Development through doctoral and higher study of the electromagnetic compatibility in concordance with European community requirement, type D contract with CNCSU, responsible prof. dr. ing, Şerban Lungu, 1998-2001.
 
National contracts (with participation as a member prof. dr. ing. Dorin Petreus)
- SEICER – Development of an innovative electronic system for harvesting energy from renewable sources, contract nr. 437/390113/17.02.2023, director Conf. dr. ing. Petre Dorel Teodosescu
 - Techniques and technologies for increasing the power density of electronic converters, subsidiary contract no. 5 of POC 16/01.02.2016 with the title Micro-inverters with high power density and high effciency for renewable energies – MICROINV, responsible of the subsidiary contract dr. ing. Dorin Petreus, 2018-2020.
 - Ecological method for recyclable wastes valorization, TVA 19249/2020, 2020-2021.
 - Complex integrated system for technological optimization and superiot valorification of the wine by-products – VINIVITIS contract PCCDI4/2018, director Serban Meza, coordinating institution UTCN Cluj-Napoca.
 - Intelligent sensors integrated system for strategic importance hydrotehnic constructions monitoring – HydroSens Contract PN-II-PT-PCCA No.71/2012 contract director Daniel Moga, coordinating institution UTCN Cluj Napoca.
 - INNOWECS, “Innovative wind energy conversion micro-system with direct-driven electric generator for residential uses”, Contract PN-II-PT-PCCA-2011-3.2-1696, director Prof. Dr. Ing. Mircea Radulescu, coordinating institution UTCN Cluj Napoca.
 - Remote monitoring and control system for intelligent buildings; CEEX – INFOSOC 60/2006 – COMODICI, 2006-2009.
 - Intelligent monitoring and control system for battery charging using the solar energy as primary resource, type C research grant no. 6113/2000, theme no. C11, continued in 2001 (no. 1/2001), theme no. A11, 2000-2002.
 - Research Concerning Electromagnetic Compatibility in Low Voltage Electrical Network, contract type A no. 33830/1999, theme no. 69, code CNCSIS 651 (CNCSIS – MEN), continued in 2000, theme no. 5, code CNCSIS 641, 1999-2001.
 - Genetics Algorithms. Applications in Power Supply Circuits, contract type A no. 33830/1999, theme 21, 1999, code CNCSIS 652 (CNCSIS – MEN), continued in 2000, theme no. 42, code CNCSIS 619, 1999-2001.
 - Increasing the reliability of a monitoring alarm/protection and tele commands and building the specific equipments, contract 894-2000, beneficiary S.C. ELECTRICA Zalău, responsible conf. dr. ing. Pitică Dan, 2000-2001.
 - Study of temperature and humidity control methods in a closed area, research grant no. 61/2005, for S.C. TehCom S.R.L, 2005-2006.
 - Monitoring alarm, protection and tele commands system contract 110-1999, beneficiary S.C. ELECTRICA Zalău, 1999 (responsible conf. dr. ing. Pitică Dan), 1999-2000.
 - Flexible system for monitoring and analyzing the environmental quality, contract type C with CNCSU, 60.000 USD, 1999-2002 (contract responsible prof. dr. ing, Şerban Lungu), 1999-2002.
 - Modernisation, measurement and telesignaling of departures from Zalau station with Dej connection, contract 71-1998, beneficiary S.C. ELECTRICA Zalău, 1998 (responsible prof. dr. ing. Pitică Dan), 1999-2000.
 
Other research and development work ( etc.) – prof. dr. ing. Dorin Petreus
- High efficiency resonant supply for automaton systems (PBF – Holland).
 - Power supply for medical printer (for Codonics USA);
 - Power supply with electronic ballast for voting machines (for Nedap Power Supllies Holland);
 - High voltage power supply for copying machines (for dutch Oce);
 - Power supply for projectors (for Philips);
 - Sinusoidal inverter 12-230V 800VA (dutch Mastervolt);
 - Sinusoidal inverter 24Vcc-230Vca 800VA (dutch Mastervolt);
 - Tourqe measurement system (Seohowintech South Coreea).
 - High efficiency quasiresonant flyback converter (dutch PBF).
 - Very high efficiency power supply for agriculture applications(Nedap).
 
