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Dr. Emil TUDOR
National Institute for R&D in Electrical Engineering ICPE-CA

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Research Keywords & Expertise

0 Power Converters
0 Automated Guided Vehicles
0 Traction drive
0 Control and Automation
0 Traction motor

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Journal article
Published: 27 October 2020 in Applied Sciences
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The research presented in this paper involves the design of a power control system for a hydrokinetic turbine previously tested in real operating conditions. A maximum power point tracking (MPPT) algorithm was designed and simulated using the required parameters for a specific electric generator. The proposed system consists of a generator connected to the hydrokinetic turbine, a three-phase uncontrolled rectifier, a direct current (DC) boost converter with MPPT control to extract maximum available power, and a buck converter to control the amount of power delivered to the load. In order to test the MPPT algorithm, we built the individual blocks on the basis of the corresponding equations of each component. The algorithm considered the specific parameters of the previously tested turbine as input data and simulated the same water velocities for which the turbine had been tested. Thus, the simulation predicted a power output of 105 W for a water velocity of 1.33 m/s, 60 W for 1 m/s, and 30 W for 0.83 m/s. The efficiency of the control system was demonstrated when the instantaneous power value was maintained at a maximum point, regardless of the rotational speed according to the experimental power curves of the driving rotor obtained for certain water velocities.

ACS Style

Rareș-Andrei Chihaia; Ionuț Vasile; Gabriela Cîrciumaru; Sergiu Nicolaie; Emil Tudor; Constantin Dumitru. Improving the Energy Conversion Efficiency for Hydrokinetic Turbines Using MPPT Controller. Applied Sciences 2020, 10, 7560 .

AMA Style

Rareș-Andrei Chihaia, Ionuț Vasile, Gabriela Cîrciumaru, Sergiu Nicolaie, Emil Tudor, Constantin Dumitru. Improving the Energy Conversion Efficiency for Hydrokinetic Turbines Using MPPT Controller. Applied Sciences. 2020; 10 (21):7560.

Chicago/Turabian Style

Rareș-Andrei Chihaia; Ionuț Vasile; Gabriela Cîrciumaru; Sergiu Nicolaie; Emil Tudor; Constantin Dumitru. 2020. "Improving the Energy Conversion Efficiency for Hydrokinetic Turbines Using MPPT Controller." Applied Sciences 10, no. 21: 7560.

Journal article
Published: 30 April 2020 in INMATEH Agricultural Engineering
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Taking into consideration the current trend to mitigate the agriculture’s negative impact on the environment, this implies using new technologies and equipment for performing agricultural works. Currently, the most used equipment in agriculture is the agricultural tractor with heat engine. One alternative is represented by electric motors, usually powered by batteries. The main advantage for the environment is that zero emissions are released into the atmosphere during agricultural works. Another advantage consists of the nominal torque which could be sustained from almost zero revolutions of the electric motors resulting in lower loads on the batteries with a proper mechanical transmission. Ploughing represents the agricultural work which exploits most of the performances of an agricultural tractor, in terms of fuel consumption and engine wear. Within this paper are presented the tests performed on an electric tractor during ploughing works, at different depths and with different working speeds, in order to assess its autonomy and efficiency with a single battery charge. The electrical parameters of the tractor were recorded during tests, as well as the tractor draft force. The results were used to establish the optimal working regime of the electric tractor during ploughing works.

ACS Style

M.G. Matache; M. Cristea; I. Găgeanu; A. Zapciu; Emil Tudor; E. Carpus; L.D. Popa. SMALL POWER ELECTRIC TRACTOR PERFORMANCE DURING PLOUGHING WORKS. INMATEH Agricultural Engineering 2020, 60, 123 -129.

AMA Style

M.G. Matache, M. Cristea, I. Găgeanu, A. Zapciu, Emil Tudor, E. Carpus, L.D. Popa. SMALL POWER ELECTRIC TRACTOR PERFORMANCE DURING PLOUGHING WORKS. INMATEH Agricultural Engineering. 2020; 60 (1):123-129.

Chicago/Turabian Style

M.G. Matache; M. Cristea; I. Găgeanu; A. Zapciu; Emil Tudor; E. Carpus; L.D. Popa. 2020. "SMALL POWER ELECTRIC TRACTOR PERFORMANCE DURING PLOUGHING WORKS." INMATEH Agricultural Engineering 60, no. 1: 123-129.

Conference paper
Published: 01 March 2019 in 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE)
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The multiphase motor and multiphase drives, because of their advantages, are used mainly as generators or as the traction system. Multiphase drives have advantages over the conventional three-phase drives, as the reduction of the amplitude and the increasing the frequency of torque pulsation, the reduction of the harmonic currents inside the rotor, the reduction the current per phase and more. The paper presents some applications and considerations for the control of a five-phase inverter, including fault simulation.

ACS Style

Ionut Vasile; Emil Tudor; Mihail Popescu; Constantin Dumitru; Liviu Popovici; Ion Catalin Sburlan. Electric Drives with Multiphase Motors as a Better Solution for Traction Systems. 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE) 2019, 1 -5.

AMA Style

Ionut Vasile, Emil Tudor, Mihail Popescu, Constantin Dumitru, Liviu Popovici, Ion Catalin Sburlan. Electric Drives with Multiphase Motors as a Better Solution for Traction Systems. 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE). 2019; ():1-5.

Chicago/Turabian Style

Ionut Vasile; Emil Tudor; Mihail Popescu; Constantin Dumitru; Liviu Popovici; Ion Catalin Sburlan. 2019. "Electric Drives with Multiphase Motors as a Better Solution for Traction Systems." 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE) , no. : 1-5.

Conference paper
Published: 01 March 2019 in 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE)
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The goal of this paper is to present some of the methods for reducing the cogging torque present in permanent magnet synchronous motors PMSM. Some of the methods we analyzed: optimal selection of the stator`s pitch number and the poles number, the optimization of the geometry of the rotor's pole and the skewing of the stator or skewing of the magnetic pole. These methods were applied in the design of the 10kW synchronous generator.

ACS Style

Mihail Popescu; Emil Tudor; Sergiu Nicolaie; Cristinel Ioan Ilie; Liviu Popovici; Constantin Dumitru. Experimental Results Regarding Cogging Torque Reduction for the Permanent Magnet Synchronous Motors PMSM. 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE) 2019, 1 -4.

AMA Style

Mihail Popescu, Emil Tudor, Sergiu Nicolaie, Cristinel Ioan Ilie, Liviu Popovici, Constantin Dumitru. Experimental Results Regarding Cogging Torque Reduction for the Permanent Magnet Synchronous Motors PMSM. 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE). 2019; ():1-4.

Chicago/Turabian Style

Mihail Popescu; Emil Tudor; Sergiu Nicolaie; Cristinel Ioan Ilie; Liviu Popovici; Constantin Dumitru. 2019. "Experimental Results Regarding Cogging Torque Reduction for the Permanent Magnet Synchronous Motors PMSM." 2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE) , no. : 1-4.

Conference paper
Published: 02 June 2015 in Urban Transport XXI
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Welcome to the WIT Press eLibrary - the home of the Transactions of the Wessex Institute collection, providing on-line access to papers presented at the Institute's prestigious international conferences and from its State-of-the-Art in Science & Engineering publications.

ACS Style

V. Radulescu; I. Străinescu; Emil Tudor; F. Bozaș; A. Dascalu; D. Brăslașu. The integration of traction equipment into a vehicle computer network. Urban Transport XXI 2015, 1 .

AMA Style

V. Radulescu, I. Străinescu, Emil Tudor, F. Bozaș, A. Dascalu, D. Brăslașu. The integration of traction equipment into a vehicle computer network. Urban Transport XXI. 2015; ():1.

Chicago/Turabian Style

V. Radulescu; I. Străinescu; Emil Tudor; F. Bozaș; A. Dascalu; D. Brăslașu. 2015. "The integration of traction equipment into a vehicle computer network." Urban Transport XXI , no. : 1.

Proceedings article
Published: 29 May 2013 in Urban Transport XIX
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ACS Style

V. Radulescu; I. Străinescu; L. Moroianu; Emil Tudor; C. Goia; F. Bozaș; V. Lupu; B. Radulescu; M. Tanase. The need to improve transport conditions in the big cities of Romania. Urban Transport XIX 2013, 1, 125 -135.

AMA Style

V. Radulescu, I. Străinescu, L. Moroianu, Emil Tudor, C. Goia, F. Bozaș, V. Lupu, B. Radulescu, M. Tanase. The need to improve transport conditions in the big cities of Romania. Urban Transport XIX. 2013; 1 ():125-135.

Chicago/Turabian Style

V. Radulescu; I. Străinescu; L. Moroianu; Emil Tudor; C. Goia; F. Bozaș; V. Lupu; B. Radulescu; M. Tanase. 2013. "The need to improve transport conditions in the big cities of Romania." Urban Transport XIX 1, no. : 125-135.

Proceedings article
Published: 14 May 2012 in Urban Transport XVIII
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ACS Style

V. Radulescu; I. Străinescu; L. Moroianu; C. Goia; Emil Tudor; F. Bozaș; V. Lupu; B. Radulescu; M. Tanase. The need of improvement of transport conditions in large Romanian cities. Urban Transport XVIII 2012, 1, 209 -217.

AMA Style

V. Radulescu, I. Străinescu, L. Moroianu, C. Goia, Emil Tudor, F. Bozaș, V. Lupu, B. Radulescu, M. Tanase. The need of improvement of transport conditions in large Romanian cities. Urban Transport XVIII. 2012; 1 ():209-217.

Chicago/Turabian Style

V. Radulescu; I. Străinescu; L. Moroianu; C. Goia; Emil Tudor; F. Bozaș; V. Lupu; B. Radulescu; M. Tanase. 2012. "The need of improvement of transport conditions in large Romanian cities." Urban Transport XVIII 1, no. : 209-217.

Proceedings article
Published: 06 June 2011 in URBAN TRANSPORT 2011
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ACS Style

V. Radulescu; I. Străinescu; L. Moroianu; Emil Tudor; S. Gheorghe; C. Goia; V. R; I. Str. Urban electrical vehicles as the solution for public transportation in the cities of Romania. URBAN TRANSPORT 2011 2011, 116, 449 -458.

AMA Style

V. Radulescu, I. Străinescu, L. Moroianu, Emil Tudor, S. Gheorghe, C. Goia, V. R, I. Str. Urban electrical vehicles as the solution for public transportation in the cities of Romania. URBAN TRANSPORT 2011. 2011; 116 ():449-458.

Chicago/Turabian Style

V. Radulescu; I. Străinescu; L. Moroianu; Emil Tudor; S. Gheorghe; C. Goia; V. R; I. Str. 2011. "Urban electrical vehicles as the solution for public transportation in the cities of Romania." URBAN TRANSPORT 2011 116, no. : 449-458.

Proceedings article
Published: 04 August 2010 in COMPRAIL 2010
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ACS Style

V. Radulescu; I. Străinescu; L. Moroianu; S. Gherorghe; Emil Tudor; V. Lupu; F. Bozaș; A. Dascalu; G. Mitroi; D. Brăslașu. Driving equipment with three-phase inverters and asynchronous traction motors for trolleys and trams. COMPRAIL 2010 2010, 114, 561 -572.

AMA Style

V. Radulescu, I. Străinescu, L. Moroianu, S. Gherorghe, Emil Tudor, V. Lupu, F. Bozaș, A. Dascalu, G. Mitroi, D. Brăslașu. Driving equipment with three-phase inverters and asynchronous traction motors for trolleys and trams. COMPRAIL 2010. 2010; 114 ():561-572.

Chicago/Turabian Style

V. Radulescu; I. Străinescu; L. Moroianu; S. Gherorghe; Emil Tudor; V. Lupu; F. Bozaș; A. Dascalu; G. Mitroi; D. Brăslașu. 2010. "Driving equipment with three-phase inverters and asynchronous traction motors for trolleys and trams." COMPRAIL 2010 114, no. : 561-572.

Proceedings article
Published: 19 June 2009 in Safety and Security Engineering III
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ACS Style

I. Străinescu; V. Radulescu; Emil Tudor; C. Ungurasu; I. Str; V. R; C. Ungura. Trolley bus passengers’ protection against accidental electrocution. Safety and Security Engineering III 2009, 108, 585 -593.

AMA Style

I. Străinescu, V. Radulescu, Emil Tudor, C. Ungurasu, I. Str, V. R, C. Ungura. Trolley bus passengers’ protection against accidental electrocution. Safety and Security Engineering III. 2009; 108 ():585-593.

Chicago/Turabian Style

I. Străinescu; V. Radulescu; Emil Tudor; C. Ungurasu; I. Str; V. R; C. Ungura. 2009. "Trolley bus passengers’ protection against accidental electrocution." Safety and Security Engineering III 108, no. : 585-593.

Conference paper
Published: 15 August 2008 in Urban Transport XIV
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In this paper we present the speed control system developed at ICPE SAERP SA Bucharest for traction equipment consisting of more than one drive,...

ACS Style

I. Strainescu; Emil Tudor; V. Serbu; F. Bozas; S. Badea. Speed control of subways and trams. Urban Transport XIV 2008, 101, 515 -523.

AMA Style

I. Strainescu, Emil Tudor, V. Serbu, F. Bozas, S. Badea. Speed control of subways and trams. Urban Transport XIV. 2008; 101 ():515-523.

Chicago/Turabian Style

I. Strainescu; Emil Tudor; V. Serbu; F. Bozas; S. Badea. 2008. "Speed control of subways and trams." Urban Transport XIV 101, no. : 515-523.

Proceedings article
Published: 15 August 2008 in Urban Transport XIV
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ACS Style

V. Radulescu; I. Străinescu; L. C. Moroianu; V. Serbu; Emil Tudor; S. Gheorghe; C. Goia; Fl. Bozas; A. Dascalu; D. Brăslașu; M. Tanase; G. Mitroi; S. Badea; I. Sburlan; C. Ungurasu; V. Lupu; B. Radulescu. Driving equipments made by ICPE SAERP for urban electric transport vehicles. Urban Transport XIV 2008, 101, 203 -211.

AMA Style

V. Radulescu, I. Străinescu, L. C. Moroianu, V. Serbu, Emil Tudor, S. Gheorghe, C. Goia, Fl. Bozas, A. Dascalu, D. Brăslașu, M. Tanase, G. Mitroi, S. Badea, I. Sburlan, C. Ungurasu, V. Lupu, B. Radulescu. Driving equipments made by ICPE SAERP for urban electric transport vehicles. Urban Transport XIV. 2008; 101 ():203-211.

Chicago/Turabian Style

V. Radulescu; I. Străinescu; L. C. Moroianu; V. Serbu; Emil Tudor; S. Gheorghe; C. Goia; Fl. Bozas; A. Dascalu; D. Brăslașu; M. Tanase; G. Mitroi; S. Badea; I. Sburlan; C. Ungurasu; V. Lupu; B. Radulescu. 2008. "Driving equipments made by ICPE SAERP for urban electric transport vehicles." Urban Transport XIV 101, no. : 203-211.

Journal article
Published: 10 August 2006
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ACS Style

Emil Tudor. TESTING EXPERIMENTAL MODELS FOR AN ADVANCED ELECTRICAL TRACTION SYSTEM WITH FREQUENCY INVERTERS. 2006, 1 .

AMA Style

Emil Tudor. TESTING EXPERIMENTAL MODELS FOR AN ADVANCED ELECTRICAL TRACTION SYSTEM WITH FREQUENCY INVERTERS. . 2006; ():1.

Chicago/Turabian Style

Emil Tudor. 2006. "TESTING EXPERIMENTAL MODELS FOR AN ADVANCED ELECTRICAL TRACTION SYSTEM WITH FREQUENCY INVERTERS." , no. : 1.