| Maşini electrice I Piroi Editura Didactică şi Pedagogică, Bucureşti, ISBN 973-30-1672-1, 2004 | 20* | 2004 |
| Maşini electrice E Spunei, I Piroi Proiectarea generatorului sincron,(Electric machines. Design of the …, 2011 | 16 | 2011 |
| Software module for switch electromechanics failure detection E Spunei, I Piroi, C Muscai, F Piroi 2014 International Conference and Exposition on Electrical and Power …, 2014 | 12 | 2014 |
| ABS failure diagnosis charts for a blocked CL E Spunei, I Piroi, C Muscai, F Piroi 2014 International Conference on Applied and Theoretical Electricity (ICATE …, 2014 | 11 | 2014 |
| Use of Renewable Energy Sources to Power Railroad Traffic Safety Installations S Elisabeta, P Bogdan, P Ion, N Valentin, P Florina 2019 11th International Symposium on Advanced Topics in Electrical …, 2019 | 10 | 2019 |
| The experimental determination of the luminous flux emitted by a few types of lighting sources E Spunei, I Piroi, CP Chioncel IOP Conference Series: Materials Science and Engineering 163 (1), 012023, 2017 | 9 | 2017 |
| Diagnosis charts for regular inversion failures of an Automatic Block Signal Installation I Piroi, E Spunei, C Muscai, F Piroi 2014 International Conference on Applied and Theoretical Electricity (ICATE …, 2014 | 9 | 2014 |
| Rapid diagnosis of track circuits in a railroad station S Elisabeta, P Ion, CC Paul, P Florina 2015 9th International Symposium on Advanced Topics in Electrical …, 2015 | 8 | 2015 |
| Automatic block signaling installation failure diagnosis with LCOBla E Spunei, I Piroi, C Muscai, F Piroi 2014 International Conference on Applied and Theoretical Electricity (ICATE …, 2014 | 8 | 2014 |
| Instalaţii electrice şi de iluminat I Piroi Universitatea “Eftimie Murgu” Reşiţa, 2009 | 8 | 2009 |
| Direct Self Control Structure for the Asynchronous Machine, Implemented in Scilab/Xcos CC Paul, S Elisabeta, AD Cornelia, P Ion Acta Electrotehnica 56 (3), 2015 | 7 | 2015 |
| Optimizing Street Lighting Systems Design FP Elisabeta Spunei, Ion Piroi Analele Universităţii „Eftimie Murgu“ Reşiţa, Fascicola de Inginerie, ISSN …, 2014 | 7* | 2014 |
| Computerized diagnostic of the red and white entry lighting signal indications E Spunei, I Piroi, C Chioncel, F Piroi 2016 International Conference on Applied and Theoretical Electricity (ICATE …, 2016 | 6 | 2016 |
| Comparative analysis between stationary and dynamic parameters of a synchronous generator, with the main variable of the air gap magnetic induction E Spunei, I Piroi 2012 International Conference on Applied and Theoretical Electricity (ICATE …, 2012 | 6 | 2012 |
| Diagnostic of Defects at Electric Lines in Cable MF Preduș, E Spunei, M Roșu Proceedings of the 10th International Conference on Electromechanical and …, 2015 | 5 | 2015 |
| The diagnosis of non-operation states of switch electromechanism E Spunei, I Piroi, C Muscai, F Piroi 8th International Conference and Expositions on Electrical and Power …, 2014 | 5 | 2014 |
| The comparative analysis of the performances of the synchronous generator air gap magnetic induction as main variable E Spunei, I Piroi 2012 International Conference on Applied and Theoretical Electricity (ICATE …, 2012 | 5 | 2012 |
| Optimizing Structural Dimensions and Costs of a Synchronous Generator Depending on the Current Blanket ESIPF Piroi Analele Universităţii Eftimie Murgu, Fascicula de Inginerie, ISSN 1453-7397 …, 2012 | 5 | 2012 |
| The importance of choosing the value of current density in the stator windings on the cost and efficiency of the synchronous generator E Spunei, I Piroi 7th International Conference and Exposition on Electrical and Power …, 2012 | 5 | 2012 |
| Utilizarea Energiei Electrice I Piroi Universitatea “Eftimie Murgu” Reşiţa, ISBN 978-973-1906-27-0, 2009 | 5 | 2009 |
