Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Razvan Prejbeanu"'
Autor:
Dan Selisteanu, Monica Roman, Lucian Mandache, Razvan Prejbeanu, Sergiu Ivanov, Alexandru Radu
Publikováno v:
Elektronika ir Elektrotechnika, Vol 27, Iss 3, Pp 26-37 (2021)
This work addresses the analysis and design of various Proportional-Integral-Derivative (PID) control techniques for a three-level inverter. Multilevel power converters are modern and basic elements of high-voltage electric drive and power supply sys
Externí odkaz:
https://doaj.org/article/4db411074c2c4e4988132fb96c605e58
Autor:
Razvan Prejbeanu, Sergiu Ivanov, Monica Roman, Lucian Mandache, Dan Selisteanu, Alexandru Radu
Publikováno v:
Elektronika ir Elektrotechnika, Vol 27, Iss 3, Pp 26-37 (2021)
This work addresses the analysis and design of various Proportional-Integral-Derivative (PID) control techniques for a three-level inverter. Multilevel power converters are modern and basic elements of high-voltage electric drive and power supply sys
Autor:
Razvan Prejbeanu
Publikováno v:
2022 23rd International Carpathian Control Conference (ICCC).
Publikováno v:
2020 21th International Carpathian Control Conference (ICCC).
A smart grid includes a variety of intelligent control systems for power generation and also for increasing the energy efficiency of the system. These systems include smart power converters, but also renewable energy and highly efficient resources. M
Publikováno v:
2020 21th International Carpathian Control Conference (ICCC).
The paper proposes a DFT (Discret Fourier Transform) calculation method implemented in an FPGA (Field Programmable Gate Array) circuit. The possibilities of parallel processing in the FPGA circuits generate new approaches for data processing. Normall
Publikováno v:
2020 21th International Carpathian Control Conference (ICCC).
This work approaches the design of software tools for a Wastewater Treatment Plant (WWTP) located in Facai, Romania, where the Distributed Control System/ Supervisory Control and Data Acquisition (DCS/SCADA) solution consists in four specific levels.
Publikováno v:
2019 Electric Vehicles International Conference (EV).
Wireless battery charging has recognized advantages over conductive charging and is the preferred solution for driverless electric vehicles of the near future. At present, the powers transferred through the two systems are standardized in the power s
Autor:
Monica Roman, Ioana-Gabriela Sirbu, Lucian Mandache, Sergiu Ivanov, Alexandru Radu, Razvan Prejbeanu, Virginia Ivanov
Publikováno v:
2019 International Conference on Electromechanical and Energy Systems (SIELMEN).
Time-domain analyses of analog circuits based on mathematical models with differential algebraic equation systems allow more flexibility of the numerical algorithms to optimize the stability, accuracy or required hardware resources compared to the SP
Autor:
Razvan Prejbeanu, Ion Marian Popescu
Publikováno v:
2019 20th International Carpathian Control Conference (ICCC).
This paper presents a new model of control principle for autonomous systems based on asynchronous motors fed by static power converters. All the coefficients required for control are determined by Fourier analysis of the output voltage waveform. The
Autor:
Ion Marian Popescu, Razvan Prejbeanu
Publikováno v:
2018 19th International Carpathian Control Conference (ICCC).
In the case of modern transport systems, the dualism drive system — power supply is represented by the power converter unit and asynchronous electric motor — Li-Ion battery. These asynchronous motors taken separately cannot answer to dynamic requ